grep-2.25HEADgrep-2.25master

117 files changed, 8732 insertions, 0 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
new file mode 100644
index 0000000..45908ce
--- /dev/null
+++ b/tests/Makefile.am
@@ -0,0 +1,232 @@
+## Process this file with automake to create Makefile.in
+# Copyright 1997-1998, 2005-2016 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+check_PROGRAMS = get-mb-cur-max dfa-match-aux
+AM_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib \
+  -I$(top_srcdir)/src
+AM_CFLAGS = $(WARN_CFLAGS) $(WERROR_CFLAGS)
+
+# Tell the linker to omit references to unused shared libraries.
+AM_LDFLAGS = $(IGNORE_UNUSED_LIBRARIES_CFLAGS)
+LDADD = ../lib/libgreputils.a $(LIBINTL) ../lib/libgreputils.a
+dfa_match_aux_LDADD = ../src/dfa.$(OBJEXT) $(LDADD)
+
+# The triple-backref test is expected to fail with both the system
+# matcher (i.e., with glibc) and with the included matcher.
+# Both matchers need to be fixed.
+# FIXME-2015: Remove this once the glibc and gnulib bugs are fixed.
+XFAIL_TESTS = triple-backref
+
+# Equivalence classes are only supported when using the system
+# matcher (which means only with glibc).
+# The included matcher needs to be fixed.
+# FIXME-2015: Remove this once the gnulib bug is fixed.
+if USE_INCLUDED_REGEX
+XFAIL_TESTS += equiv-classes
+else
+# The backslash-alt test fails for glibc, which needs to be fixed.
+# FIXME-2015: Remove this once the glibc bug is fixed.
+XFAIL_TESTS += backref-alt
+endif
+
+TESTS =						\
+  backref					\
+  backref-alt					\
+  backref-multibyte-slow			\
+  backref-word					\
+  backslash-s-and-repetition-operators		\
+  backslash-s-vs-invalid-multitype		\
+  big-hole					\
+  big-match					\
+  bogus-wctob					\
+  bre						\
+  c-locale					\
+  case-fold-backref				\
+  case-fold-backslash-w				\
+  case-fold-char-class				\
+  case-fold-char-range				\
+  case-fold-char-type				\
+  case-fold-titlecase				\
+  char-class-multibyte				\
+  char-class-multibyte2				\
+  context-0					\
+  count-newline					\
+  dfa-coverage					\
+  dfa-heap-overrun				\
+  dfa-match					\
+  dfaexec-multibyte				\
+  empty						\
+  empty-line					\
+  empty-line-mb					\
+  encoding-error				\
+  epipe						\
+  equiv-classes					\
+  ere						\
+  euc-mb					\
+  fedora					\
+  fgrep-infloop					\
+  file						\
+  fmbtest					\
+  foad1						\
+  grep-dev-null					\
+  grep-dir					\
+  help-version					\
+  high-bit-range				\
+  in-eq-out-infloop				\
+  include-exclude				\
+  inconsistent-range				\
+  invalid-char-class				\
+  invalid-multibyte-infloop			\
+  khadafy					\
+  kwset-abuse					\
+  long-line-vs-2GiB-read			\
+  long-pattern-perf				\
+  match-lines					\
+  max-count-overread				\
+  max-count-vs-context				\
+  mb-dot-newline				\
+  mb-non-UTF8-overrun				\
+  mb-non-UTF8-performance			\
+  multibyte-white-space				\
+  multiple-begin-or-end-line			\
+  null-byte					\
+  options					\
+  pcre						\
+  pcre-abort					\
+  pcre-context					\
+  pcre-count					\
+  pcre-infloop					\
+  pcre-invalid-utf8-infloop			\
+  pcre-invalid-utf8-input			\
+  pcre-jitstack					\
+  pcre-o					\
+  pcre-utf8					\
+  pcre-w					\
+  pcre-wx-backref				\
+  pcre-z					\
+  posix-bracket					\
+  prefix-of-multibyte				\
+  r-dot						\
+  repetition-overflow				\
+  reversed-range-endpoints			\
+  sjis-mb					\
+  skip-device					\
+  spencer1					\
+  spencer1-locale				\
+  status					\
+  surrogate-pair				\
+  symlink					\
+  triple-backref				\
+  turkish-I					\
+  turkish-I-without-dot				\
+  turkish-eyes					\
+  two-files					\
+  unibyte-binary				\
+  unibyte-bracket-expr				\
+  unibyte-negated-circumflex			\
+  utf8-bracket					\
+  warn-char-classes				\
+  word-delim-multibyte				\
+  word-multi-file				\
+  word-multibyte				\
+  write-error-msg				\
+  yesno						\
+  z-anchor-newline
+
+EXTRA_DIST =					\
+  $(TESTS)					\
+  bre.awk					\
+  bre.tests					\
+  ere.awk					\
+  ere.tests					\
+  init.cfg					\
+  init.sh					\
+  khadafy.lines					\
+  khadafy.regexp				\
+  spencer1.awk					\
+  spencer1.tests				\
+  spencer1-locale.awk
+
+# Default to a nonzero value.  Environment overrides.
+# http://udrepper.livejournal.com/11429.html
+MALLOC_PERTURB_ = 1
+
+TESTS_ENVIRONMENT =				\
+  tmp__=$$TMPDIR; test -d "$$tmp__" || tmp__=.;	\
+  TMPDIR=$$tmp__; export TMPDIR;		\
+						\
+  if test -n "$$BASH_VERSION" || (eval "export v=x") 2>/dev/null; then \
+    export_with_values () { export "$$@"; };		\
+  else							\
+    export_with_values ()				\
+    {							\
+      sed_extract_var='s/=.*//';			\
+      sed_quote_value="s/'/'\\\\''/g;s/=\\(.*\\)/='\\1'/";\
+      for arg in "$$@"; do				\
+        var=`echo "$$arg" | sed "$$sed_extract_var"`;	\
+        arg=`echo "$$arg" | sed "$$sed_quote_value"`;	\
+        eval "$$arg";					\
+        export "$$var";					\
+      done;						\
+    };							\
+  fi;							\
+							\
+  : 'Test egrep/fgrep help if they use our grep.';	\
+  grep=`echo grep | sed -e '$(transform)'` || exit;	\
+  if test "$$grep" = grep; then				\
+    built_programs='grep egrep fgrep';			\
+  else							\
+    built_programs='grep';				\
+  fi;							\
+						\
+  export_with_values				\
+  VERSION='$(VERSION)'				\
+  LOCALE_FR='$(LOCALE_FR)'			\
+  LOCALE_FR_UTF8='$(LOCALE_FR_UTF8)'		\
+  AWK=$(AWK)					\
+  GREP_OPTIONS=''				\
+  LC_ALL=C					\
+  abs_top_builddir='$(abs_top_builddir)'	\
+  abs_top_srcdir='$(abs_top_srcdir)'		\
+  abs_srcdir='$(abs_srcdir)'			\
+  built_programs="$$built_programs"		\
+  srcdir='$(srcdir)'				\
+  top_srcdir='$(top_srcdir)'			\
+  CC='$(CC)'					\
+  GREP_TEST_NAME=`echo $$tst|sed 's,^\./,,;s,/,-,g'` \
+  MAKE=$(MAKE)					\
+  MALLOC_PERTURB_=$(MALLOC_PERTURB_)		\
+  PACKAGE_BUGREPORT='$(PACKAGE_BUGREPORT)'	\
+  PACKAGE_VERSION=$(PACKAGE_VERSION)		\
+  PERL='$(PERL)'				\
+  SHELL='$(SHELL)'				\
+  PATH='$(abs_top_builddir)/src$(PATH_SEPARATOR)'"$$PATH" \
+  ; 9>&2
+
+LOG_COMPILER = $(SHELL)
+
+VERBOSE = yes
+
+check: check_executable_TESTS
+.PHONY: check_executable_TESTS
+check_executable_TESTS: Makefile
+	$(AM_V_GEN)fail=0;						\
+        cd $(srcdir) && for i in $(TESTS); do				\
+	  test -x $$i || { fail=1; echo $$i >&2; };			\
+	done;								\
+	test $$fail = 1							\
+          && { echo the above test scripts are not executable >&2; exit 1; } \
+          || :
diff --git a/tests/Makefile.in b/tests/Makefile.in
new file mode 100644
index 0000000..776558b
--- /dev/null
+++ b/tests/Makefile.in
@@ -0,0 +1,2727 @@
+# Makefile.in generated by automake 1.99a from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2015 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# Copyright 1997-1998, 2005-2016 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+check_PROGRAMS = get-mb-cur-max$(EXEEXT) dfa-match-aux$(EXEEXT)
+
+# Equivalence classes are only supported when using the system
+# matcher (which means only with glibc).
+# The included matcher needs to be fixed.
+# FIXME-2015: Remove this once the gnulib bug is fixed.
+@USE_INCLUDED_REGEX_TRUE@am__append_1 = equiv-classes
+# The backslash-alt test fails for glibc, which needs to be fixed.
+# FIXME-2015: Remove this once the glibc bug is fixed.
+@USE_INCLUDED_REGEX_FALSE@am__append_2 = backref-alt
+subdir = tests
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/00gnulib.m4 \
+	$(top_srcdir)/m4/absolute-header.m4 $(top_srcdir)/m4/alloca.m4 \
+	$(top_srcdir)/m4/btowc.m4 $(top_srcdir)/m4/chdir-long.m4 \
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+GNULIB_MKOSTEMPS = @GNULIB_MKOSTEMPS@
+GNULIB_MKSTEMP = @GNULIB_MKSTEMP@
+GNULIB_MKSTEMPS = @GNULIB_MKSTEMPS@
+GNULIB_MKTIME = @GNULIB_MKTIME@
+GNULIB_NANOSLEEP = @GNULIB_NANOSLEEP@
+GNULIB_NL_LANGINFO = @GNULIB_NL_LANGINFO@
+GNULIB_NONBLOCKING = @GNULIB_NONBLOCKING@
+GNULIB_OBSTACK_PRINTF = @GNULIB_OBSTACK_PRINTF@
+GNULIB_OBSTACK_PRINTF_POSIX = @GNULIB_OBSTACK_PRINTF_POSIX@
+GNULIB_OPEN = @GNULIB_OPEN@
+GNULIB_OPENAT = @GNULIB_OPENAT@
+GNULIB_OPENDIR = @GNULIB_OPENDIR@
+GNULIB_PCLOSE = @GNULIB_PCLOSE@
+GNULIB_PERROR = @GNULIB_PERROR@
+GNULIB_PIPE = @GNULIB_PIPE@
+GNULIB_PIPE2 = @GNULIB_PIPE2@
+GNULIB_POPEN = @GNULIB_POPEN@
+GNULIB_POSIX_OPENPT = @GNULIB_POSIX_OPENPT@
+GNULIB_PREAD = @GNULIB_PREAD@
+GNULIB_PRINTF = @GNULIB_PRINTF@
+GNULIB_PRINTF_POSIX = @GNULIB_PRINTF_POSIX@
+GNULIB_PTSNAME = @GNULIB_PTSNAME@
+GNULIB_PTSNAME_R = @GNULIB_PTSNAME_R@
+GNULIB_PUTC = @GNULIB_PUTC@
+GNULIB_PUTCHAR = @GNULIB_PUTCHAR@
+GNULIB_PUTENV = @GNULIB_PUTENV@
+GNULIB_PUTS = @GNULIB_PUTS@
+GNULIB_PWRITE = @GNULIB_PWRITE@
+GNULIB_QSORT_R = @GNULIB_QSORT_R@
+GNULIB_RANDOM = @GNULIB_RANDOM@
+GNULIB_RANDOM_R = @GNULIB_RANDOM_R@
+GNULIB_RAWMEMCHR = @GNULIB_RAWMEMCHR@
+GNULIB_READ = @GNULIB_READ@
+GNULIB_READDIR = @GNULIB_READDIR@
+GNULIB_READLINK = @GNULIB_READLINK@
+GNULIB_READLINKAT = @GNULIB_READLINKAT@
+GNULIB_REALLOC_POSIX = @GNULIB_REALLOC_POSIX@
+GNULIB_REALPATH = @GNULIB_REALPATH@
+GNULIB_REMOVE = @GNULIB_REMOVE@
+GNULIB_RENAME = @GNULIB_RENAME@
+GNULIB_RENAMEAT = @GNULIB_RENAMEAT@
+GNULIB_REWINDDIR = @GNULIB_REWINDDIR@
+GNULIB_RMDIR = @GNULIB_RMDIR@
+GNULIB_RPMATCH = @GNULIB_RPMATCH@
+GNULIB_SCANDIR = @GNULIB_SCANDIR@
+GNULIB_SCANF = @GNULIB_SCANF@
+GNULIB_SECURE_GETENV = @GNULIB_SECURE_GETENV@
+GNULIB_SETENV = @GNULIB_SETENV@
+GNULIB_SETHOSTNAME = @GNULIB_SETHOSTNAME@
+GNULIB_SETLOCALE = @GNULIB_SETLOCALE@
+GNULIB_SLEEP = @GNULIB_SLEEP@
+GNULIB_SNPRINTF = @GNULIB_SNPRINTF@
+GNULIB_SPRINTF_POSIX = @GNULIB_SPRINTF_POSIX@
+GNULIB_STAT = @GNULIB_STAT@
+GNULIB_STDIO_H_NONBLOCKING = @GNULIB_STDIO_H_NONBLOCKING@
+GNULIB_STDIO_H_SIGPIPE = @GNULIB_STDIO_H_SIGPIPE@
+GNULIB_STPCPY = @GNULIB_STPCPY@
+GNULIB_STPNCPY = @GNULIB_STPNCPY@
+GNULIB_STRCASESTR = @GNULIB_STRCASESTR@
+GNULIB_STRCHRNUL = @GNULIB_STRCHRNUL@
+GNULIB_STRDUP = @GNULIB_STRDUP@
+GNULIB_STRERROR = @GNULIB_STRERROR@
+GNULIB_STRERROR_R = @GNULIB_STRERROR_R@
+GNULIB_STRNCAT = @GNULIB_STRNCAT@
+GNULIB_STRNDUP = @GNULIB_STRNDUP@
+GNULIB_STRNLEN = @GNULIB_STRNLEN@
+GNULIB_STRPBRK = @GNULIB_STRPBRK@
+GNULIB_STRPTIME = @GNULIB_STRPTIME@
+GNULIB_STRSEP = @GNULIB_STRSEP@
+GNULIB_STRSIGNAL = @GNULIB_STRSIGNAL@
+GNULIB_STRSTR = @GNULIB_STRSTR@
+GNULIB_STRTOD = @GNULIB_STRTOD@
+GNULIB_STRTOIMAX = @GNULIB_STRTOIMAX@
+GNULIB_STRTOK_R = @GNULIB_STRTOK_R@
+GNULIB_STRTOLL = @GNULIB_STRTOLL@
+GNULIB_STRTOULL = @GNULIB_STRTOULL@
+GNULIB_STRTOUMAX = @GNULIB_STRTOUMAX@
+GNULIB_STRVERSCMP = @GNULIB_STRVERSCMP@
+GNULIB_SYMLINK = @GNULIB_SYMLINK@
+GNULIB_SYMLINKAT = @GNULIB_SYMLINKAT@
+GNULIB_SYSTEM_POSIX = @GNULIB_SYSTEM_POSIX@
+GNULIB_TIMEGM = @GNULIB_TIMEGM@
+GNULIB_TIME_R = @GNULIB_TIME_R@
+GNULIB_TIME_RZ = @GNULIB_TIME_RZ@
+GNULIB_TMPFILE = @GNULIB_TMPFILE@
+GNULIB_TOWCTRANS = @GNULIB_TOWCTRANS@
+GNULIB_TTYNAME_R = @GNULIB_TTYNAME_R@
+GNULIB_UNISTD_H_NONBLOCKING = @GNULIB_UNISTD_H_NONBLOCKING@
+GNULIB_UNISTD_H_SIGPIPE = @GNULIB_UNISTD_H_SIGPIPE@
+GNULIB_UNLINK = @GNULIB_UNLINK@
+GNULIB_UNLINKAT = @GNULIB_UNLINKAT@
+GNULIB_UNLOCKPT = @GNULIB_UNLOCKPT@
+GNULIB_UNSETENV = @GNULIB_UNSETENV@
+GNULIB_USLEEP = @GNULIB_USLEEP@
+GNULIB_UTIMENSAT = @GNULIB_UTIMENSAT@
+GNULIB_VASPRINTF = @GNULIB_VASPRINTF@
+GNULIB_VDPRINTF = @GNULIB_VDPRINTF@
+GNULIB_VFPRINTF = @GNULIB_VFPRINTF@
+GNULIB_VFPRINTF_POSIX = @GNULIB_VFPRINTF_POSIX@
+GNULIB_VFSCANF = @GNULIB_VFSCANF@
+GNULIB_VPRINTF = @GNULIB_VPRINTF@
+GNULIB_VPRINTF_POSIX = @GNULIB_VPRINTF_POSIX@
+GNULIB_VSCANF = @GNULIB_VSCANF@
+GNULIB_VSNPRINTF = @GNULIB_VSNPRINTF@
+GNULIB_VSPRINTF_POSIX = @GNULIB_VSPRINTF_POSIX@
+GNULIB_WARN_CFLAGS = @GNULIB_WARN_CFLAGS@
+GNULIB_WCPCPY = @GNULIB_WCPCPY@
+GNULIB_WCPNCPY = @GNULIB_WCPNCPY@
+GNULIB_WCRTOMB = @GNULIB_WCRTOMB@
+GNULIB_WCSCASECMP = @GNULIB_WCSCASECMP@
+GNULIB_WCSCAT = @GNULIB_WCSCAT@
+GNULIB_WCSCHR = @GNULIB_WCSCHR@
+GNULIB_WCSCMP = @GNULIB_WCSCMP@
+GNULIB_WCSCOLL = @GNULIB_WCSCOLL@
+GNULIB_WCSCPY = @GNULIB_WCSCPY@
+GNULIB_WCSCSPN = @GNULIB_WCSCSPN@
+GNULIB_WCSDUP = @GNULIB_WCSDUP@
+GNULIB_WCSLEN = @GNULIB_WCSLEN@
+GNULIB_WCSNCASECMP = @GNULIB_WCSNCASECMP@
+GNULIB_WCSNCAT = @GNULIB_WCSNCAT@
+GNULIB_WCSNCMP = @GNULIB_WCSNCMP@
+GNULIB_WCSNCPY = @GNULIB_WCSNCPY@
+GNULIB_WCSNLEN = @GNULIB_WCSNLEN@
+GNULIB_WCSNRTOMBS = @GNULIB_WCSNRTOMBS@
+GNULIB_WCSPBRK = @GNULIB_WCSPBRK@
+GNULIB_WCSRCHR = @GNULIB_WCSRCHR@
+GNULIB_WCSRTOMBS = @GNULIB_WCSRTOMBS@
+GNULIB_WCSSPN = @GNULIB_WCSSPN@
+GNULIB_WCSSTR = @GNULIB_WCSSTR@
+GNULIB_WCSTOK = @GNULIB_WCSTOK@
+GNULIB_WCSWIDTH = @GNULIB_WCSWIDTH@
+GNULIB_WCSXFRM = @GNULIB_WCSXFRM@
+GNULIB_WCTOB = @GNULIB_WCTOB@
+GNULIB_WCTOMB = @GNULIB_WCTOMB@
+GNULIB_WCTRANS = @GNULIB_WCTRANS@
+GNULIB_WCTYPE = @GNULIB_WCTYPE@
+GNULIB_WCWIDTH = @GNULIB_WCWIDTH@
+GNULIB_WMEMCHR = @GNULIB_WMEMCHR@
+GNULIB_WMEMCMP = @GNULIB_WMEMCMP@
+GNULIB_WMEMCPY = @GNULIB_WMEMCPY@
+GNULIB_WMEMMOVE = @GNULIB_WMEMMOVE@
+GNULIB_WMEMSET = @GNULIB_WMEMSET@
+GNULIB_WRITE = @GNULIB_WRITE@
+GNULIB__EXIT = @GNULIB__EXIT@
+GREP = @GREP@
+HAVE_ALPHASORT = @HAVE_ALPHASORT@
+HAVE_ATOLL = @HAVE_ATOLL@
+HAVE_BTOWC = @HAVE_BTOWC@
+HAVE_CANONICALIZE_FILE_NAME = @HAVE_CANONICALIZE_FILE_NAME@
+HAVE_CHOWN = @HAVE_CHOWN@
+HAVE_CLOSEDIR = @HAVE_CLOSEDIR@
+HAVE_DECL_DIRFD = @HAVE_DECL_DIRFD@
+HAVE_DECL_ENVIRON = @HAVE_DECL_ENVIRON@
+HAVE_DECL_FCHDIR = @HAVE_DECL_FCHDIR@
+HAVE_DECL_FDATASYNC = @HAVE_DECL_FDATASYNC@
+HAVE_DECL_FDOPENDIR = @HAVE_DECL_FDOPENDIR@
+HAVE_DECL_FPURGE = @HAVE_DECL_FPURGE@
+HAVE_DECL_FSEEKO = @HAVE_DECL_FSEEKO@
+HAVE_DECL_FTELLO = @HAVE_DECL_FTELLO@
+HAVE_DECL_GETDELIM = @HAVE_DECL_GETDELIM@
+HAVE_DECL_GETDOMAINNAME = @HAVE_DECL_GETDOMAINNAME@
+HAVE_DECL_GETLINE = @HAVE_DECL_GETLINE@
+HAVE_DECL_GETLOADAVG = @HAVE_DECL_GETLOADAVG@
+HAVE_DECL_GETLOGIN_R = @HAVE_DECL_GETLOGIN_R@
+HAVE_DECL_GETPAGESIZE = @HAVE_DECL_GETPAGESIZE@
+HAVE_DECL_GETUSERSHELL = @HAVE_DECL_GETUSERSHELL@
+HAVE_DECL_IMAXABS = @HAVE_DECL_IMAXABS@
+HAVE_DECL_IMAXDIV = @HAVE_DECL_IMAXDIV@
+HAVE_DECL_LOCALTIME_R = @HAVE_DECL_LOCALTIME_R@
+HAVE_DECL_MEMMEM = @HAVE_DECL_MEMMEM@
+HAVE_DECL_MEMRCHR = @HAVE_DECL_MEMRCHR@
+HAVE_DECL_OBSTACK_PRINTF = @HAVE_DECL_OBSTACK_PRINTF@
+HAVE_DECL_SETENV = @HAVE_DECL_SETENV@
+HAVE_DECL_SETHOSTNAME = @HAVE_DECL_SETHOSTNAME@
+HAVE_DECL_SNPRINTF = @HAVE_DECL_SNPRINTF@
+HAVE_DECL_STRDUP = @HAVE_DECL_STRDUP@
+HAVE_DECL_STRERROR_R = @HAVE_DECL_STRERROR_R@
+HAVE_DECL_STRNDUP = @HAVE_DECL_STRNDUP@
+HAVE_DECL_STRNLEN = @HAVE_DECL_STRNLEN@
+HAVE_DECL_STRSIGNAL = @HAVE_DECL_STRSIGNAL@
+HAVE_DECL_STRTOIMAX = @HAVE_DECL_STRTOIMAX@
+HAVE_DECL_STRTOK_R = @HAVE_DECL_STRTOK_R@
+HAVE_DECL_STRTOUMAX = @HAVE_DECL_STRTOUMAX@
+HAVE_DECL_TTYNAME_R = @HAVE_DECL_TTYNAME_R@
+HAVE_DECL_UNSETENV = @HAVE_DECL_UNSETENV@
+HAVE_DECL_VSNPRINTF = @HAVE_DECL_VSNPRINTF@
+HAVE_DECL_WCTOB = @HAVE_DECL_WCTOB@
+HAVE_DECL_WCWIDTH = @HAVE_DECL_WCWIDTH@
+HAVE_DIRENT_H = @HAVE_DIRENT_H@
+HAVE_DPRINTF = @HAVE_DPRINTF@
+HAVE_DUP2 = @HAVE_DUP2@
+HAVE_DUP3 = @HAVE_DUP3@
+HAVE_DUPLOCALE = @HAVE_DUPLOCALE@
+HAVE_EUIDACCESS = @HAVE_EUIDACCESS@
+HAVE_FACCESSAT = @HAVE_FACCESSAT@
+HAVE_FCHDIR = @HAVE_FCHDIR@
+HAVE_FCHMODAT = @HAVE_FCHMODAT@
+HAVE_FCHOWNAT = @HAVE_FCHOWNAT@
+HAVE_FCNTL = @HAVE_FCNTL@
+HAVE_FDATASYNC = @HAVE_FDATASYNC@
+HAVE_FDOPENDIR = @HAVE_FDOPENDIR@
+HAVE_FEATURES_H = @HAVE_FEATURES_H@
+HAVE_FFSL = @HAVE_FFSL@
+HAVE_FFSLL = @HAVE_FFSLL@
+HAVE_FSEEKO = @HAVE_FSEEKO@
+HAVE_FSTATAT = @HAVE_FSTATAT@
+HAVE_FSYNC = @HAVE_FSYNC@
+HAVE_FTELLO = @HAVE_FTELLO@
+HAVE_FTRUNCATE = @HAVE_FTRUNCATE@
+HAVE_FUTIMENS = @HAVE_FUTIMENS@
+HAVE_GETDTABLESIZE = @HAVE_GETDTABLESIZE@
+HAVE_GETGROUPS = @HAVE_GETGROUPS@
+HAVE_GETHOSTNAME = @HAVE_GETHOSTNAME@
+HAVE_GETLOGIN = @HAVE_GETLOGIN@
+HAVE_GETOPT_H = @HAVE_GETOPT_H@
+HAVE_GETPAGESIZE = @HAVE_GETPAGESIZE@
+HAVE_GETSUBOPT = @HAVE_GETSUBOPT@
+HAVE_GETTIMEOFDAY = @HAVE_GETTIMEOFDAY@
+HAVE_GRANTPT = @HAVE_GRANTPT@
+HAVE_GROUP_MEMBER = @HAVE_GROUP_MEMBER@
+HAVE_INTTYPES_H = @HAVE_INTTYPES_H@
+HAVE_ISBLANK = @HAVE_ISBLANK@
+HAVE_ISWBLANK = @HAVE_ISWBLANK@
+HAVE_ISWCNTRL = @HAVE_ISWCNTRL@
+HAVE_LANGINFO_CODESET = @HAVE_LANGINFO_CODESET@
+HAVE_LANGINFO_ERA = @HAVE_LANGINFO_ERA@
+HAVE_LANGINFO_H = @HAVE_LANGINFO_H@
+HAVE_LANGINFO_T_FMT_AMPM = @HAVE_LANGINFO_T_FMT_AMPM@
+HAVE_LANGINFO_YESEXPR = @HAVE_LANGINFO_YESEXPR@
+HAVE_LCHMOD = @HAVE_LCHMOD@
+HAVE_LCHOWN = @HAVE_LCHOWN@
+HAVE_LINK = @HAVE_LINK@
+HAVE_LINKAT = @HAVE_LINKAT@
+HAVE_LONG_LONG_INT = @HAVE_LONG_LONG_INT@
+HAVE_LSTAT = @HAVE_LSTAT@
+HAVE_MAX_ALIGN_T = @HAVE_MAX_ALIGN_T@
+HAVE_MBRLEN = @HAVE_MBRLEN@
+HAVE_MBRTOWC = @HAVE_MBRTOWC@
+HAVE_MBSINIT = @HAVE_MBSINIT@
+HAVE_MBSLEN = @HAVE_MBSLEN@
+HAVE_MBSNRTOWCS = @HAVE_MBSNRTOWCS@
+HAVE_MBSRTOWCS = @HAVE_MBSRTOWCS@
+HAVE_MEMCHR = @HAVE_MEMCHR@
+HAVE_MEMPCPY = @HAVE_MEMPCPY@
+HAVE_MKDIRAT = @HAVE_MKDIRAT@
+HAVE_MKDTEMP = @HAVE_MKDTEMP@
+HAVE_MKFIFO = @HAVE_MKFIFO@
+HAVE_MKFIFOAT = @HAVE_MKFIFOAT@
+HAVE_MKNOD = @HAVE_MKNOD@
+HAVE_MKNODAT = @HAVE_MKNODAT@
+HAVE_MKOSTEMP = @HAVE_MKOSTEMP@
+HAVE_MKOSTEMPS = @HAVE_MKOSTEMPS@
+HAVE_MKSTEMP = @HAVE_MKSTEMP@
+HAVE_MKSTEMPS = @HAVE_MKSTEMPS@
+HAVE_MSVC_INVALID_PARAMETER_HANDLER = @HAVE_MSVC_INVALID_PARAMETER_HANDLER@
+HAVE_NANOSLEEP = @HAVE_NANOSLEEP@
+HAVE_NL_LANGINFO = @HAVE_NL_LANGINFO@
+HAVE_OPENAT = @HAVE_OPENAT@
+HAVE_OPENDIR = @HAVE_OPENDIR@
+HAVE_OS_H = @HAVE_OS_H@
+HAVE_PCLOSE = @HAVE_PCLOSE@
+HAVE_PIPE = @HAVE_PIPE@
+HAVE_PIPE2 = @HAVE_PIPE2@
+HAVE_POPEN = @HAVE_POPEN@
+HAVE_POSIX_OPENPT = @HAVE_POSIX_OPENPT@
+HAVE_PREAD = @HAVE_PREAD@
+HAVE_PTSNAME = @HAVE_PTSNAME@
+HAVE_PTSNAME_R = @HAVE_PTSNAME_R@
+HAVE_PWRITE = @HAVE_PWRITE@
+HAVE_RANDOM = @HAVE_RANDOM@
+HAVE_RANDOM_H = @HAVE_RANDOM_H@
+HAVE_RANDOM_R = @HAVE_RANDOM_R@
+HAVE_RAWMEMCHR = @HAVE_RAWMEMCHR@
+HAVE_READDIR = @HAVE_READDIR@
+HAVE_READLINK = @HAVE_READLINK@
+HAVE_READLINKAT = @HAVE_READLINKAT@
+HAVE_REALPATH = @HAVE_REALPATH@
+HAVE_RENAMEAT = @HAVE_RENAMEAT@
+HAVE_REWINDDIR = @HAVE_REWINDDIR@
+HAVE_RPMATCH = @HAVE_RPMATCH@
+HAVE_SCANDIR = @HAVE_SCANDIR@
+HAVE_SECURE_GETENV = @HAVE_SECURE_GETENV@
+HAVE_SETENV = @HAVE_SETENV@
+HAVE_SETHOSTNAME = @HAVE_SETHOSTNAME@
+HAVE_SIGNED_SIG_ATOMIC_T = @HAVE_SIGNED_SIG_ATOMIC_T@
+HAVE_SIGNED_WCHAR_T = @HAVE_SIGNED_WCHAR_T@
+HAVE_SIGNED_WINT_T = @HAVE_SIGNED_WINT_T@
+HAVE_SLEEP = @HAVE_SLEEP@
+HAVE_STDINT_H = @HAVE_STDINT_H@
+HAVE_STPCPY = @HAVE_STPCPY@
+HAVE_STPNCPY = @HAVE_STPNCPY@
+HAVE_STRCASESTR = @HAVE_STRCASESTR@
+HAVE_STRCHRNUL = @HAVE_STRCHRNUL@
+HAVE_STRPBRK = @HAVE_STRPBRK@
+HAVE_STRPTIME = @HAVE_STRPTIME@
+HAVE_STRSEP = @HAVE_STRSEP@
+HAVE_STRTOD = @HAVE_STRTOD@
+HAVE_STRTOLL = @HAVE_STRTOLL@
+HAVE_STRTOULL = @HAVE_STRTOULL@
+HAVE_STRUCT_RANDOM_DATA = @HAVE_STRUCT_RANDOM_DATA@
+HAVE_STRUCT_TIMEVAL = @HAVE_STRUCT_TIMEVAL@
+HAVE_STRVERSCMP = @HAVE_STRVERSCMP@
+HAVE_SYMLINK = @HAVE_SYMLINK@
+HAVE_SYMLINKAT = @HAVE_SYMLINKAT@
+HAVE_SYS_BITYPES_H = @HAVE_SYS_BITYPES_H@
+HAVE_SYS_INTTYPES_H = @HAVE_SYS_INTTYPES_H@
+HAVE_SYS_LOADAVG_H = @HAVE_SYS_LOADAVG_H@
+HAVE_SYS_PARAM_H = @HAVE_SYS_PARAM_H@
+HAVE_SYS_TIME_H = @HAVE_SYS_TIME_H@
+HAVE_SYS_TYPES_H = @HAVE_SYS_TYPES_H@
+HAVE_TIMEGM = @HAVE_TIMEGM@
+HAVE_TIMEZONE_T = @HAVE_TIMEZONE_T@
+HAVE_UNISTD_H = @HAVE_UNISTD_H@
+HAVE_UNLINKAT = @HAVE_UNLINKAT@
+HAVE_UNLOCKPT = @HAVE_UNLOCKPT@
+HAVE_UNSIGNED_LONG_LONG_INT = @HAVE_UNSIGNED_LONG_LONG_INT@
+HAVE_USLEEP = @HAVE_USLEEP@
+HAVE_UTIMENSAT = @HAVE_UTIMENSAT@
+HAVE_VASPRINTF = @HAVE_VASPRINTF@
+HAVE_VDPRINTF = @HAVE_VDPRINTF@
+HAVE_WCHAR_H = @HAVE_WCHAR_H@
+HAVE_WCHAR_T = @HAVE_WCHAR_T@
+HAVE_WCPCPY = @HAVE_WCPCPY@
+HAVE_WCPNCPY = @HAVE_WCPNCPY@
+HAVE_WCRTOMB = @HAVE_WCRTOMB@
+HAVE_WCSCASECMP = @HAVE_WCSCASECMP@
+HAVE_WCSCAT = @HAVE_WCSCAT@
+HAVE_WCSCHR = @HAVE_WCSCHR@
+HAVE_WCSCMP = @HAVE_WCSCMP@
+HAVE_WCSCOLL = @HAVE_WCSCOLL@
+HAVE_WCSCPY = @HAVE_WCSCPY@
+HAVE_WCSCSPN = @HAVE_WCSCSPN@
+HAVE_WCSDUP = @HAVE_WCSDUP@
+HAVE_WCSLEN = @HAVE_WCSLEN@
+HAVE_WCSNCASECMP = @HAVE_WCSNCASECMP@
+HAVE_WCSNCAT = @HAVE_WCSNCAT@
+HAVE_WCSNCMP = @HAVE_WCSNCMP@
+HAVE_WCSNCPY = @HAVE_WCSNCPY@
+HAVE_WCSNLEN = @HAVE_WCSNLEN@
+HAVE_WCSNRTOMBS = @HAVE_WCSNRTOMBS@
+HAVE_WCSPBRK = @HAVE_WCSPBRK@
+HAVE_WCSRCHR = @HAVE_WCSRCHR@
+HAVE_WCSRTOMBS = @HAVE_WCSRTOMBS@
+HAVE_WCSSPN = @HAVE_WCSSPN@
+HAVE_WCSSTR = @HAVE_WCSSTR@
+HAVE_WCSTOK = @HAVE_WCSTOK@
+HAVE_WCSWIDTH = @HAVE_WCSWIDTH@
+HAVE_WCSXFRM = @HAVE_WCSXFRM@
+HAVE_WCTRANS_T = @HAVE_WCTRANS_T@
+HAVE_WCTYPE_H = @HAVE_WCTYPE_H@
+HAVE_WCTYPE_T = @HAVE_WCTYPE_T@
+HAVE_WINSOCK2_H = @HAVE_WINSOCK2_H@
+HAVE_WINT_T = @HAVE_WINT_T@
+HAVE_WMEMCHR = @HAVE_WMEMCHR@
+HAVE_WMEMCMP = @HAVE_WMEMCMP@
+HAVE_WMEMCPY = @HAVE_WMEMCPY@
+HAVE_WMEMMOVE = @HAVE_WMEMMOVE@
+HAVE_WMEMSET = @HAVE_WMEMSET@
+HAVE_XLOCALE_H = @HAVE_XLOCALE_H@
+HAVE__BOOL = @HAVE__BOOL@
+HAVE__EXIT = @HAVE__EXIT@
+ICONV_CONST = @ICONV_CONST@
+ICONV_H = @ICONV_H@
+INCLUDE_NEXT = @INCLUDE_NEXT@
+INCLUDE_NEXT_AS_FIRST_DIRECTIVE = @INCLUDE_NEXT_AS_FIRST_DIRECTIVE@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+INT32_MAX_LT_INTMAX_MAX = @INT32_MAX_LT_INTMAX_MAX@
+INT64_MAX_EQ_LONG_MAX = @INT64_MAX_EQ_LONG_MAX@
+INTLLIBS = @INTLLIBS@
+INTL_MACOSX_LIBS = @INTL_MACOSX_LIBS@
+LDFLAGS = @LDFLAGS@
+LIBGREPUTILS_LIBDEPS = @LIBGREPUTILS_LIBDEPS@
+LIBGREPUTILS_LTLIBDEPS = @LIBGREPUTILS_LTLIBDEPS@
+LIBICONV = @LIBICONV@
+LIBINTL = @LIBINTL@
+LIBMULTITHREAD = @LIBMULTITHREAD@
+LIBOBJS = @LIBOBJS@
+LIBPTH = @LIBPTH@
+LIBPTH_PREFIX = @LIBPTH_PREFIX@
+LIBS = @LIBS@
+LIBTESTS_LIBDEPS = @LIBTESTS_LIBDEPS@
+LIBTHREAD = @LIBTHREAD@
+LIBUNISTRING_UNISTR_H = @LIBUNISTRING_UNISTR_H@
+LIBUNISTRING_UNITYPES_H = @LIBUNISTRING_UNITYPES_H@
+LIBUNISTRING_UNIWIDTH_H = @LIBUNISTRING_UNIWIDTH_H@
+LOCALCHARSET_TESTS_ENVIRONMENT = @LOCALCHARSET_TESTS_ENVIRONMENT@
+LOCALE_FR = @LOCALE_FR@
+LOCALE_FR_UTF8 = @LOCALE_FR_UTF8@
+LOCALE_JA = @LOCALE_JA@
+LOCALE_TR_UTF8 = @LOCALE_TR_UTF8@
+LOCALE_ZH_CN = @LOCALE_ZH_CN@
+LTLIBICONV = @LTLIBICONV@
+LTLIBINTL = @LTLIBINTL@
+LTLIBMULTITHREAD = @LTLIBMULTITHREAD@
+LTLIBOBJS = @LTLIBOBJS@
+LTLIBPTH = @LTLIBPTH@
+LTLIBTHREAD = @LTLIBTHREAD@
+MAKEINFO = @MAKEINFO@
+MKDIR_P = @MKDIR_P@
+MSGFMT = @MSGFMT@
+MSGFMT_015 = @MSGFMT_015@
+MSGMERGE = @MSGMERGE@
+NEXT_AS_FIRST_DIRECTIVE_CTYPE_H = @NEXT_AS_FIRST_DIRECTIVE_CTYPE_H@
+NEXT_AS_FIRST_DIRECTIVE_DIRENT_H = @NEXT_AS_FIRST_DIRECTIVE_DIRENT_H@
+NEXT_AS_FIRST_DIRECTIVE_ERRNO_H = @NEXT_AS_FIRST_DIRECTIVE_ERRNO_H@
+NEXT_AS_FIRST_DIRECTIVE_FCNTL_H = @NEXT_AS_FIRST_DIRECTIVE_FCNTL_H@
+NEXT_AS_FIRST_DIRECTIVE_FLOAT_H = @NEXT_AS_FIRST_DIRECTIVE_FLOAT_H@
+NEXT_AS_FIRST_DIRECTIVE_GETOPT_H = @NEXT_AS_FIRST_DIRECTIVE_GETOPT_H@
+NEXT_AS_FIRST_DIRECTIVE_ICONV_H = @NEXT_AS_FIRST_DIRECTIVE_ICONV_H@
+NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H = @NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H@
+NEXT_AS_FIRST_DIRECTIVE_LANGINFO_H = @NEXT_AS_FIRST_DIRECTIVE_LANGINFO_H@
+NEXT_AS_FIRST_DIRECTIVE_LOCALE_H = @NEXT_AS_FIRST_DIRECTIVE_LOCALE_H@
+NEXT_AS_FIRST_DIRECTIVE_STDARG_H = @NEXT_AS_FIRST_DIRECTIVE_STDARG_H@
+NEXT_AS_FIRST_DIRECTIVE_STDDEF_H = @NEXT_AS_FIRST_DIRECTIVE_STDDEF_H@
+NEXT_AS_FIRST_DIRECTIVE_STDINT_H = @NEXT_AS_FIRST_DIRECTIVE_STDINT_H@
+NEXT_AS_FIRST_DIRECTIVE_STDIO_H = @NEXT_AS_FIRST_DIRECTIVE_STDIO_H@
+NEXT_AS_FIRST_DIRECTIVE_STDLIB_H = @NEXT_AS_FIRST_DIRECTIVE_STDLIB_H@
+NEXT_AS_FIRST_DIRECTIVE_STRING_H = @NEXT_AS_FIRST_DIRECTIVE_STRING_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_TYPES_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TYPES_H@
+NEXT_AS_FIRST_DIRECTIVE_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_TIME_H@
+NEXT_AS_FIRST_DIRECTIVE_UNISTD_H = @NEXT_AS_FIRST_DIRECTIVE_UNISTD_H@
+NEXT_AS_FIRST_DIRECTIVE_WCHAR_H = @NEXT_AS_FIRST_DIRECTIVE_WCHAR_H@
+NEXT_AS_FIRST_DIRECTIVE_WCTYPE_H = @NEXT_AS_FIRST_DIRECTIVE_WCTYPE_H@
+NEXT_CTYPE_H = @NEXT_CTYPE_H@
+NEXT_DIRENT_H = @NEXT_DIRENT_H@
+NEXT_ERRNO_H = @NEXT_ERRNO_H@
+NEXT_FCNTL_H = @NEXT_FCNTL_H@
+NEXT_FLOAT_H = @NEXT_FLOAT_H@
+NEXT_GETOPT_H = @NEXT_GETOPT_H@
+NEXT_ICONV_H = @NEXT_ICONV_H@
+NEXT_INTTYPES_H = @NEXT_INTTYPES_H@
+NEXT_LANGINFO_H = @NEXT_LANGINFO_H@
+NEXT_LOCALE_H = @NEXT_LOCALE_H@
+NEXT_STDARG_H = @NEXT_STDARG_H@
+NEXT_STDDEF_H = @NEXT_STDDEF_H@
+NEXT_STDINT_H = @NEXT_STDINT_H@
+NEXT_STDIO_H = @NEXT_STDIO_H@
+NEXT_STDLIB_H = @NEXT_STDLIB_H@
+NEXT_STRING_H = @NEXT_STRING_H@
+NEXT_SYS_STAT_H = @NEXT_SYS_STAT_H@
+NEXT_SYS_TIME_H = @NEXT_SYS_TIME_H@
+NEXT_SYS_TYPES_H = @NEXT_SYS_TYPES_H@
+NEXT_TIME_H = @NEXT_TIME_H@
+NEXT_UNISTD_H = @NEXT_UNISTD_H@
+NEXT_WCHAR_H = @NEXT_WCHAR_H@
+NEXT_WCTYPE_H = @NEXT_WCTYPE_H@
+OBJEXT = @OBJEXT@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PCRE_CFLAGS = @PCRE_CFLAGS@
+PCRE_LIBS = @PCRE_LIBS@
+PERL = @PERL@
+PKG_CONFIG = @PKG_CONFIG@
+PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@
+PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
+POSUB = @POSUB@
+PRAGMA_COLUMNS = @PRAGMA_COLUMNS@
+PRAGMA_SYSTEM_HEADER = @PRAGMA_SYSTEM_HEADER@
+PRIPTR_PREFIX = @PRIPTR_PREFIX@
+PRI_MACROS_BROKEN = @PRI_MACROS_BROKEN@
+PTHREAD_H_DEFINES_STRUCT_TIMESPEC = @PTHREAD_H_DEFINES_STRUCT_TIMESPEC@
+PTRDIFF_T_SUFFIX = @PTRDIFF_T_SUFFIX@
+RANLIB = @RANLIB@
+REPLACE_BTOWC = @REPLACE_BTOWC@
+REPLACE_CALLOC = @REPLACE_CALLOC@
+REPLACE_CANONICALIZE_FILE_NAME = @REPLACE_CANONICALIZE_FILE_NAME@
+REPLACE_CHOWN = @REPLACE_CHOWN@
+REPLACE_CLOSE = @REPLACE_CLOSE@
+REPLACE_CLOSEDIR = @REPLACE_CLOSEDIR@
+REPLACE_DIRFD = @REPLACE_DIRFD@
+REPLACE_DPRINTF = @REPLACE_DPRINTF@
+REPLACE_DUP = @REPLACE_DUP@
+REPLACE_DUP2 = @REPLACE_DUP2@
+REPLACE_DUPLOCALE = @REPLACE_DUPLOCALE@
+REPLACE_FCHOWNAT = @REPLACE_FCHOWNAT@
+REPLACE_FCLOSE = @REPLACE_FCLOSE@
+REPLACE_FCNTL = @REPLACE_FCNTL@
+REPLACE_FDOPEN = @REPLACE_FDOPEN@
+REPLACE_FDOPENDIR = @REPLACE_FDOPENDIR@
+REPLACE_FFLUSH = @REPLACE_FFLUSH@
+REPLACE_FOPEN = @REPLACE_FOPEN@
+REPLACE_FPRINTF = @REPLACE_FPRINTF@
+REPLACE_FPURGE = @REPLACE_FPURGE@
+REPLACE_FREOPEN = @REPLACE_FREOPEN@
+REPLACE_FSEEK = @REPLACE_FSEEK@
+REPLACE_FSEEKO = @REPLACE_FSEEKO@
+REPLACE_FSTAT = @REPLACE_FSTAT@
+REPLACE_FSTATAT = @REPLACE_FSTATAT@
+REPLACE_FTELL = @REPLACE_FTELL@
+REPLACE_FTELLO = @REPLACE_FTELLO@
+REPLACE_FTRUNCATE = @REPLACE_FTRUNCATE@
+REPLACE_FUTIMENS = @REPLACE_FUTIMENS@
+REPLACE_GETCWD = @REPLACE_GETCWD@
+REPLACE_GETDELIM = @REPLACE_GETDELIM@
+REPLACE_GETDOMAINNAME = @REPLACE_GETDOMAINNAME@
+REPLACE_GETDTABLESIZE = @REPLACE_GETDTABLESIZE@
+REPLACE_GETGROUPS = @REPLACE_GETGROUPS@
+REPLACE_GETLINE = @REPLACE_GETLINE@
+REPLACE_GETLOGIN_R = @REPLACE_GETLOGIN_R@
+REPLACE_GETPAGESIZE = @REPLACE_GETPAGESIZE@
+REPLACE_GETTIMEOFDAY = @REPLACE_GETTIMEOFDAY@
+REPLACE_GMTIME = @REPLACE_GMTIME@
+REPLACE_ICONV = @REPLACE_ICONV@
+REPLACE_ICONV_OPEN = @REPLACE_ICONV_OPEN@
+REPLACE_ICONV_UTF = @REPLACE_ICONV_UTF@
+REPLACE_ISATTY = @REPLACE_ISATTY@
+REPLACE_ISWBLANK = @REPLACE_ISWBLANK@
+REPLACE_ISWCNTRL = @REPLACE_ISWCNTRL@
+REPLACE_ITOLD = @REPLACE_ITOLD@
+REPLACE_LCHOWN = @REPLACE_LCHOWN@
+REPLACE_LINK = @REPLACE_LINK@
+REPLACE_LINKAT = @REPLACE_LINKAT@
+REPLACE_LOCALECONV = @REPLACE_LOCALECONV@
+REPLACE_LOCALTIME = @REPLACE_LOCALTIME@
+REPLACE_LOCALTIME_R = @REPLACE_LOCALTIME_R@
+REPLACE_LSEEK = @REPLACE_LSEEK@
+REPLACE_LSTAT = @REPLACE_LSTAT@
+REPLACE_MALLOC = @REPLACE_MALLOC@
+REPLACE_MBRLEN = @REPLACE_MBRLEN@
+REPLACE_MBRTOWC = @REPLACE_MBRTOWC@
+REPLACE_MBSINIT = @REPLACE_MBSINIT@
+REPLACE_MBSNRTOWCS = @REPLACE_MBSNRTOWCS@
+REPLACE_MBSRTOWCS = @REPLACE_MBSRTOWCS@
+REPLACE_MBSTATE_T = @REPLACE_MBSTATE_T@
+REPLACE_MBTOWC = @REPLACE_MBTOWC@
+REPLACE_MEMCHR = @REPLACE_MEMCHR@
+REPLACE_MEMMEM = @REPLACE_MEMMEM@
+REPLACE_MKDIR = @REPLACE_MKDIR@
+REPLACE_MKFIFO = @REPLACE_MKFIFO@
+REPLACE_MKNOD = @REPLACE_MKNOD@
+REPLACE_MKSTEMP = @REPLACE_MKSTEMP@
+REPLACE_MKTIME = @REPLACE_MKTIME@
+REPLACE_NANOSLEEP = @REPLACE_NANOSLEEP@
+REPLACE_NL_LANGINFO = @REPLACE_NL_LANGINFO@
+REPLACE_NULL = @REPLACE_NULL@
+REPLACE_OBSTACK_PRINTF = @REPLACE_OBSTACK_PRINTF@
+REPLACE_OPEN = @REPLACE_OPEN@
+REPLACE_OPENAT = @REPLACE_OPENAT@
+REPLACE_OPENDIR = @REPLACE_OPENDIR@
+REPLACE_PERROR = @REPLACE_PERROR@
+REPLACE_POPEN = @REPLACE_POPEN@
+REPLACE_PREAD = @REPLACE_PREAD@
+REPLACE_PRINTF = @REPLACE_PRINTF@
+REPLACE_PTSNAME = @REPLACE_PTSNAME@
+REPLACE_PTSNAME_R = @REPLACE_PTSNAME_R@
+REPLACE_PUTENV = @REPLACE_PUTENV@
+REPLACE_PWRITE = @REPLACE_PWRITE@
+REPLACE_QSORT_R = @REPLACE_QSORT_R@
+REPLACE_RANDOM_R = @REPLACE_RANDOM_R@
+REPLACE_READ = @REPLACE_READ@
+REPLACE_READLINK = @REPLACE_READLINK@
+REPLACE_READLINKAT = @REPLACE_READLINKAT@
+REPLACE_REALLOC = @REPLACE_REALLOC@
+REPLACE_REALPATH = @REPLACE_REALPATH@
+REPLACE_REMOVE = @REPLACE_REMOVE@
+REPLACE_RENAME = @REPLACE_RENAME@
+REPLACE_RENAMEAT = @REPLACE_RENAMEAT@
+REPLACE_RMDIR = @REPLACE_RMDIR@
+REPLACE_SETENV = @REPLACE_SETENV@
+REPLACE_SETLOCALE = @REPLACE_SETLOCALE@
+REPLACE_SLEEP = @REPLACE_SLEEP@
+REPLACE_SNPRINTF = @REPLACE_SNPRINTF@
+REPLACE_SPRINTF = @REPLACE_SPRINTF@
+REPLACE_STAT = @REPLACE_STAT@
+REPLACE_STDIO_READ_FUNCS = @REPLACE_STDIO_READ_FUNCS@
+REPLACE_STDIO_WRITE_FUNCS = @REPLACE_STDIO_WRITE_FUNCS@
+REPLACE_STPNCPY = @REPLACE_STPNCPY@
+REPLACE_STRCASESTR = @REPLACE_STRCASESTR@
+REPLACE_STRCHRNUL = @REPLACE_STRCHRNUL@
+REPLACE_STRDUP = @REPLACE_STRDUP@
+REPLACE_STRERROR = @REPLACE_STRERROR@
+REPLACE_STRERROR_R = @REPLACE_STRERROR_R@
+REPLACE_STRNCAT = @REPLACE_STRNCAT@
+REPLACE_STRNDUP = @REPLACE_STRNDUP@
+REPLACE_STRNLEN = @REPLACE_STRNLEN@
+REPLACE_STRSIGNAL = @REPLACE_STRSIGNAL@
+REPLACE_STRSTR = @REPLACE_STRSTR@
+REPLACE_STRTOD = @REPLACE_STRTOD@
+REPLACE_STRTOIMAX = @REPLACE_STRTOIMAX@
+REPLACE_STRTOK_R = @REPLACE_STRTOK_R@
+REPLACE_STRTOUMAX = @REPLACE_STRTOUMAX@
+REPLACE_STRUCT_LCONV = @REPLACE_STRUCT_LCONV@
+REPLACE_STRUCT_TIMEVAL = @REPLACE_STRUCT_TIMEVAL@
+REPLACE_SYMLINK = @REPLACE_SYMLINK@
+REPLACE_SYMLINKAT = @REPLACE_SYMLINKAT@
+REPLACE_TIMEGM = @REPLACE_TIMEGM@
+REPLACE_TMPFILE = @REPLACE_TMPFILE@
+REPLACE_TOWLOWER = @REPLACE_TOWLOWER@
+REPLACE_TTYNAME_R = @REPLACE_TTYNAME_R@
+REPLACE_UNLINK = @REPLACE_UNLINK@
+REPLACE_UNLINKAT = @REPLACE_UNLINKAT@
+REPLACE_UNSETENV = @REPLACE_UNSETENV@
+REPLACE_USLEEP = @REPLACE_USLEEP@
+REPLACE_UTIMENSAT = @REPLACE_UTIMENSAT@
+REPLACE_VASPRINTF = @REPLACE_VASPRINTF@
+REPLACE_VDPRINTF = @REPLACE_VDPRINTF@
+REPLACE_VFPRINTF = @REPLACE_VFPRINTF@
+REPLACE_VPRINTF = @REPLACE_VPRINTF@
+REPLACE_VSNPRINTF = @REPLACE_VSNPRINTF@
+REPLACE_VSPRINTF = @REPLACE_VSPRINTF@
+REPLACE_WCRTOMB = @REPLACE_WCRTOMB@
+REPLACE_WCSNRTOMBS = @REPLACE_WCSNRTOMBS@
+REPLACE_WCSRTOMBS = @REPLACE_WCSRTOMBS@
+REPLACE_WCSWIDTH = @REPLACE_WCSWIDTH@
+REPLACE_WCTOB = @REPLACE_WCTOB@
+REPLACE_WCTOMB = @REPLACE_WCTOMB@
+REPLACE_WCWIDTH = @REPLACE_WCWIDTH@
+REPLACE_WRITE = @REPLACE_WRITE@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+SIG_ATOMIC_T_SUFFIX = @SIG_ATOMIC_T_SUFFIX@
+SIZE_T_SUFFIX = @SIZE_T_SUFFIX@
+STDALIGN_H = @STDALIGN_H@
+STDARG_H = @STDARG_H@
+STDBOOL_H = @STDBOOL_H@
+STDDEF_H = @STDDEF_H@
+STDINT_H = @STDINT_H@
+STRIP = @STRIP@
+SYS_TIME_H_DEFINES_STRUCT_TIMESPEC = @SYS_TIME_H_DEFINES_STRUCT_TIMESPEC@
+TIME_H_DEFINES_STRUCT_TIMESPEC = @TIME_H_DEFINES_STRUCT_TIMESPEC@
+UINT32_MAX_LT_UINTMAX_MAX = @UINT32_MAX_LT_UINTMAX_MAX@
+UINT64_MAX_EQ_ULONG_MAX = @UINT64_MAX_EQ_ULONG_MAX@
+UNDEFINE_STRTOK_R = @UNDEFINE_STRTOK_R@
+UNISTD_H_DEFINES_STRUCT_TIMESPEC = @UNISTD_H_DEFINES_STRUCT_TIMESPEC@
+UNISTD_H_HAVE_WINSOCK2_H = @UNISTD_H_HAVE_WINSOCK2_H@
+UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS = @UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
+USE_NLS = @USE_NLS@
+VERSION = @VERSION@
+WARN_CFLAGS = @WARN_CFLAGS@
+WCHAR_T_SUFFIX = @WCHAR_T_SUFFIX@
+WERROR_CFLAGS = @WERROR_CFLAGS@
+WINDOWS_64_BIT_OFF_T = @WINDOWS_64_BIT_OFF_T@
+WINDOWS_64_BIT_ST_SIZE = @WINDOWS_64_BIT_ST_SIZE@
+WINT_T_SUFFIX = @WINT_T_SUFFIX@
+XGETTEXT = @XGETTEXT@
+XGETTEXT_015 = @XGETTEXT_015@
+XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@
+abs_aux_dir = @abs_aux_dir@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
+ac_ct_CC = @ac_ct_CC@
+am__include = @am__include@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+gl_LIBOBJS = @gl_LIBOBJS@
+gl_LTLIBOBJS = @gl_LTLIBOBJS@
+gltests_LIBOBJS = @gltests_LIBOBJS@
+gltests_LTLIBOBJS = @gltests_LTLIBOBJS@
+gltests_WITNESS = @gltests_WITNESS@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+lispdir = @lispdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+AM_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib \
+  -I$(top_srcdir)/src
+
+AM_CFLAGS = $(WARN_CFLAGS) $(WERROR_CFLAGS)
+
+# Tell the linker to omit references to unused shared libraries.
+AM_LDFLAGS = $(IGNORE_UNUSED_LIBRARIES_CFLAGS)
+LDADD = ../lib/libgreputils.a $(LIBINTL) ../lib/libgreputils.a
+dfa_match_aux_LDADD = ../src/dfa.$(OBJEXT) $(LDADD)
+
+# The triple-backref test is expected to fail with both the system
+# matcher (i.e., with glibc) and with the included matcher.
+# Both matchers need to be fixed.
+# FIXME-2015: Remove this once the glibc and gnulib bugs are fixed.
+XFAIL_TESTS = triple-backref $(am__append_1) $(am__append_2)
+TESTS = \
+  backref					\
+  backref-alt					\
+  backref-multibyte-slow			\
+  backref-word					\
+  backslash-s-and-repetition-operators		\
+  backslash-s-vs-invalid-multitype		\
+  big-hole					\
+  big-match					\
+  bogus-wctob					\
+  bre						\
+  c-locale					\
+  case-fold-backref				\
+  case-fold-backslash-w				\
+  case-fold-char-class				\
+  case-fold-char-range				\
+  case-fold-char-type				\
+  case-fold-titlecase				\
+  char-class-multibyte				\
+  char-class-multibyte2				\
+  context-0					\
+  count-newline					\
+  dfa-coverage					\
+  dfa-heap-overrun				\
+  dfa-match					\
+  dfaexec-multibyte				\
+  empty						\
+  empty-line					\
+  empty-line-mb					\
+  encoding-error				\
+  epipe						\
+  equiv-classes					\
+  ere						\
+  euc-mb					\
+  fedora					\
+  fgrep-infloop					\
+  file						\
+  fmbtest					\
+  foad1						\
+  grep-dev-null					\
+  grep-dir					\
+  help-version					\
+  high-bit-range				\
+  in-eq-out-infloop				\
+  include-exclude				\
+  inconsistent-range				\
+  invalid-char-class				\
+  invalid-multibyte-infloop			\
+  khadafy					\
+  kwset-abuse					\
+  long-line-vs-2GiB-read			\
+  long-pattern-perf				\
+  match-lines					\
+  max-count-overread				\
+  max-count-vs-context				\
+  mb-dot-newline				\
+  mb-non-UTF8-overrun				\
+  mb-non-UTF8-performance			\
+  multibyte-white-space				\
+  multiple-begin-or-end-line			\
+  null-byte					\
+  options					\
+  pcre						\
+  pcre-abort					\
+  pcre-context					\
+  pcre-count					\
+  pcre-infloop					\
+  pcre-invalid-utf8-infloop			\
+  pcre-invalid-utf8-input			\
+  pcre-jitstack					\
+  pcre-o					\
+  pcre-utf8					\
+  pcre-w					\
+  pcre-wx-backref				\
+  pcre-z					\
+  posix-bracket					\
+  prefix-of-multibyte				\
+  r-dot						\
+  repetition-overflow				\
+  reversed-range-endpoints			\
+  sjis-mb					\
+  skip-device					\
+  spencer1					\
+  spencer1-locale				\
+  status					\
+  surrogate-pair				\
+  symlink					\
+  triple-backref				\
+  turkish-I					\
+  turkish-I-without-dot				\
+  turkish-eyes					\
+  two-files					\
+  unibyte-binary				\
+  unibyte-bracket-expr				\
+  unibyte-negated-circumflex			\
+  utf8-bracket					\
+  warn-char-classes				\
+  word-delim-multibyte				\
+  word-multi-file				\
+  word-multibyte				\
+  write-error-msg				\
+  yesno						\
+  z-anchor-newline
+
+EXTRA_DIST = \
+  $(TESTS)					\
+  bre.awk					\
+  bre.tests					\
+  ere.awk					\
+  ere.tests					\
+  init.cfg					\
+  init.sh					\
+  khadafy.lines					\
+  khadafy.regexp				\
+  spencer1.awk					\
+  spencer1.tests				\
+  spencer1-locale.awk
+
+
+# Default to a nonzero value.  Environment overrides.
+# http://udrepper.livejournal.com/11429.html
+MALLOC_PERTURB_ = 1
+TESTS_ENVIRONMENT = \
+  tmp__=$$TMPDIR; test -d "$$tmp__" || tmp__=.;	\
+  TMPDIR=$$tmp__; export TMPDIR;		\
+						\
+  if test -n "$$BASH_VERSION" || (eval "export v=x") 2>/dev/null; then \
+    export_with_values () { export "$$@"; };		\
+  else							\
+    export_with_values ()				\
+    {							\
+      sed_extract_var='s/=.*//';			\
+      sed_quote_value="s/'/'\\\\''/g;s/=\\(.*\\)/='\\1'/";\
+      for arg in "$$@"; do				\
+        var=`echo "$$arg" | sed "$$sed_extract_var"`;	\
+        arg=`echo "$$arg" | sed "$$sed_quote_value"`;	\
+        eval "$$arg";					\
+        export "$$var";					\
+      done;						\
+    };							\
+  fi;							\
+							\
+  : 'Test egrep/fgrep help if they use our grep.';	\
+  grep=`echo grep | sed -e '$(transform)'` || exit;	\
+  if test "$$grep" = grep; then				\
+    built_programs='grep egrep fgrep';			\
+  else							\
+    built_programs='grep';				\
+  fi;							\
+						\
+  export_with_values				\
+  VERSION='$(VERSION)'				\
+  LOCALE_FR='$(LOCALE_FR)'			\
+  LOCALE_FR_UTF8='$(LOCALE_FR_UTF8)'		\
+  AWK=$(AWK)					\
+  GREP_OPTIONS=''				\
+  LC_ALL=C					\
+  abs_top_builddir='$(abs_top_builddir)'	\
+  abs_top_srcdir='$(abs_top_srcdir)'		\
+  abs_srcdir='$(abs_srcdir)'			\
+  built_programs="$$built_programs"		\
+  srcdir='$(srcdir)'				\
+  top_srcdir='$(top_srcdir)'			\
+  CC='$(CC)'					\
+  GREP_TEST_NAME=`echo $$tst|sed 's,^\./,,;s,/,-,g'` \
+  MAKE=$(MAKE)					\
+  MALLOC_PERTURB_=$(MALLOC_PERTURB_)		\
+  PACKAGE_BUGREPORT='$(PACKAGE_BUGREPORT)'	\
+  PACKAGE_VERSION=$(PACKAGE_VERSION)		\
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+count-newline.log: count-newline
+	@p='count-newline'; \
+	b='count-newline'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+dfa-coverage.log: dfa-coverage
+	@p='dfa-coverage'; \
+	b='dfa-coverage'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+dfa-heap-overrun.log: dfa-heap-overrun
+	@p='dfa-heap-overrun'; \
+	b='dfa-heap-overrun'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+dfa-match.log: dfa-match
+	@p='dfa-match'; \
+	b='dfa-match'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+dfaexec-multibyte.log: dfaexec-multibyte
+	@p='dfaexec-multibyte'; \
+	b='dfaexec-multibyte'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+empty.log: empty
+	@p='empty'; \
+	b='empty'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+empty-line.log: empty-line
+	@p='empty-line'; \
+	b='empty-line'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+empty-line-mb.log: empty-line-mb
+	@p='empty-line-mb'; \
+	b='empty-line-mb'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+encoding-error.log: encoding-error
+	@p='encoding-error'; \
+	b='encoding-error'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+epipe.log: epipe
+	@p='epipe'; \
+	b='epipe'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+equiv-classes.log: equiv-classes
+	@p='equiv-classes'; \
+	b='equiv-classes'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+ere.log: ere
+	@p='ere'; \
+	b='ere'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+euc-mb.log: euc-mb
+	@p='euc-mb'; \
+	b='euc-mb'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+fedora.log: fedora
+	@p='fedora'; \
+	b='fedora'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+fgrep-infloop.log: fgrep-infloop
+	@p='fgrep-infloop'; \
+	b='fgrep-infloop'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+file.log: file
+	@p='file'; \
+	b='file'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+fmbtest.log: fmbtest
+	@p='fmbtest'; \
+	b='fmbtest'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+foad1.log: foad1
+	@p='foad1'; \
+	b='foad1'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+grep-dev-null.log: grep-dev-null
+	@p='grep-dev-null'; \
+	b='grep-dev-null'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+grep-dir.log: grep-dir
+	@p='grep-dir'; \
+	b='grep-dir'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+help-version.log: help-version
+	@p='help-version'; \
+	b='help-version'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+high-bit-range.log: high-bit-range
+	@p='high-bit-range'; \
+	b='high-bit-range'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+in-eq-out-infloop.log: in-eq-out-infloop
+	@p='in-eq-out-infloop'; \
+	b='in-eq-out-infloop'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+include-exclude.log: include-exclude
+	@p='include-exclude'; \
+	b='include-exclude'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+inconsistent-range.log: inconsistent-range
+	@p='inconsistent-range'; \
+	b='inconsistent-range'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+invalid-char-class.log: invalid-char-class
+	@p='invalid-char-class'; \
+	b='invalid-char-class'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+invalid-multibyte-infloop.log: invalid-multibyte-infloop
+	@p='invalid-multibyte-infloop'; \
+	b='invalid-multibyte-infloop'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+khadafy.log: khadafy
+	@p='khadafy'; \
+	b='khadafy'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+kwset-abuse.log: kwset-abuse
+	@p='kwset-abuse'; \
+	b='kwset-abuse'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+long-line-vs-2GiB-read.log: long-line-vs-2GiB-read
+	@p='long-line-vs-2GiB-read'; \
+	b='long-line-vs-2GiB-read'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+long-pattern-perf.log: long-pattern-perf
+	@p='long-pattern-perf'; \
+	b='long-pattern-perf'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+match-lines.log: match-lines
+	@p='match-lines'; \
+	b='match-lines'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+max-count-overread.log: max-count-overread
+	@p='max-count-overread'; \
+	b='max-count-overread'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+max-count-vs-context.log: max-count-vs-context
+	@p='max-count-vs-context'; \
+	b='max-count-vs-context'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mb-dot-newline.log: mb-dot-newline
+	@p='mb-dot-newline'; \
+	b='mb-dot-newline'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mb-non-UTF8-overrun.log: mb-non-UTF8-overrun
+	@p='mb-non-UTF8-overrun'; \
+	b='mb-non-UTF8-overrun'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mb-non-UTF8-performance.log: mb-non-UTF8-performance
+	@p='mb-non-UTF8-performance'; \
+	b='mb-non-UTF8-performance'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+multibyte-white-space.log: multibyte-white-space
+	@p='multibyte-white-space'; \
+	b='multibyte-white-space'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+multiple-begin-or-end-line.log: multiple-begin-or-end-line
+	@p='multiple-begin-or-end-line'; \
+	b='multiple-begin-or-end-line'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+null-byte.log: null-byte
+	@p='null-byte'; \
+	b='null-byte'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+options.log: options
+	@p='options'; \
+	b='options'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre.log: pcre
+	@p='pcre'; \
+	b='pcre'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre-abort.log: pcre-abort
+	@p='pcre-abort'; \
+	b='pcre-abort'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre-context.log: pcre-context
+	@p='pcre-context'; \
+	b='pcre-context'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre-count.log: pcre-count
+	@p='pcre-count'; \
+	b='pcre-count'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre-infloop.log: pcre-infloop
+	@p='pcre-infloop'; \
+	b='pcre-infloop'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre-invalid-utf8-infloop.log: pcre-invalid-utf8-infloop
+	@p='pcre-invalid-utf8-infloop'; \
+	b='pcre-invalid-utf8-infloop'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre-invalid-utf8-input.log: pcre-invalid-utf8-input
+	@p='pcre-invalid-utf8-input'; \
+	b='pcre-invalid-utf8-input'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre-jitstack.log: pcre-jitstack
+	@p='pcre-jitstack'; \
+	b='pcre-jitstack'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre-o.log: pcre-o
+	@p='pcre-o'; \
+	b='pcre-o'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre-utf8.log: pcre-utf8
+	@p='pcre-utf8'; \
+	b='pcre-utf8'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre-w.log: pcre-w
+	@p='pcre-w'; \
+	b='pcre-w'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre-wx-backref.log: pcre-wx-backref
+	@p='pcre-wx-backref'; \
+	b='pcre-wx-backref'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pcre-z.log: pcre-z
+	@p='pcre-z'; \
+	b='pcre-z'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+posix-bracket.log: posix-bracket
+	@p='posix-bracket'; \
+	b='posix-bracket'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+prefix-of-multibyte.log: prefix-of-multibyte
+	@p='prefix-of-multibyte'; \
+	b='prefix-of-multibyte'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+r-dot.log: r-dot
+	@p='r-dot'; \
+	b='r-dot'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+repetition-overflow.log: repetition-overflow
+	@p='repetition-overflow'; \
+	b='repetition-overflow'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+reversed-range-endpoints.log: reversed-range-endpoints
+	@p='reversed-range-endpoints'; \
+	b='reversed-range-endpoints'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+sjis-mb.log: sjis-mb
+	@p='sjis-mb'; \
+	b='sjis-mb'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+skip-device.log: skip-device
+	@p='skip-device'; \
+	b='skip-device'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+spencer1.log: spencer1
+	@p='spencer1'; \
+	b='spencer1'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+spencer1-locale.log: spencer1-locale
+	@p='spencer1-locale'; \
+	b='spencer1-locale'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+status.log: status
+	@p='status'; \
+	b='status'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+surrogate-pair.log: surrogate-pair
+	@p='surrogate-pair'; \
+	b='surrogate-pair'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+symlink.log: symlink
+	@p='symlink'; \
+	b='symlink'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+triple-backref.log: triple-backref
+	@p='triple-backref'; \
+	b='triple-backref'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+turkish-I.log: turkish-I
+	@p='turkish-I'; \
+	b='turkish-I'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+turkish-I-without-dot.log: turkish-I-without-dot
+	@p='turkish-I-without-dot'; \
+	b='turkish-I-without-dot'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+turkish-eyes.log: turkish-eyes
+	@p='turkish-eyes'; \
+	b='turkish-eyes'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+two-files.log: two-files
+	@p='two-files'; \
+	b='two-files'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+unibyte-binary.log: unibyte-binary
+	@p='unibyte-binary'; \
+	b='unibyte-binary'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+unibyte-bracket-expr.log: unibyte-bracket-expr
+	@p='unibyte-bracket-expr'; \
+	b='unibyte-bracket-expr'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+unibyte-negated-circumflex.log: unibyte-negated-circumflex
+	@p='unibyte-negated-circumflex'; \
+	b='unibyte-negated-circumflex'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+utf8-bracket.log: utf8-bracket
+	@p='utf8-bracket'; \
+	b='utf8-bracket'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+warn-char-classes.log: warn-char-classes
+	@p='warn-char-classes'; \
+	b='warn-char-classes'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+word-delim-multibyte.log: word-delim-multibyte
+	@p='word-delim-multibyte'; \
+	b='word-delim-multibyte'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+word-multi-file.log: word-multi-file
+	@p='word-multi-file'; \
+	b='word-multi-file'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+word-multibyte.log: word-multibyte
+	@p='word-multibyte'; \
+	b='word-multibyte'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+write-error-msg.log: write-error-msg
+	@p='write-error-msg'; \
+	b='write-error-msg'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+yesno.log: yesno
+	@p='yesno'; \
+	b='yesno'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+z-anchor-newline.log: z-anchor-newline
+	@p='z-anchor-newline'; \
+	b='z-anchor-newline'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+.test.log:
+	@p='$<'; \
+	$(am__set_b); \
+	$(am__check_pre) $(TEST_LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_TEST_LOG_DRIVER_FLAGS) $(TEST_LOG_DRIVER_FLAGS) -- $(TEST_LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+@am__EXEEXT_TRUE@.test$(EXEEXT).log:
+@am__EXEEXT_TRUE@	@p='$<'; \
+@am__EXEEXT_TRUE@	$(am__set_b); \
+@am__EXEEXT_TRUE@	$(am__check_pre) $(TEST_LOG_DRIVER) --test-name "$$f" \
+@am__EXEEXT_TRUE@	--log-file $$b.log --trs-file $$b.trs \
+@am__EXEEXT_TRUE@	$(am__common_driver_flags) $(AM_TEST_LOG_DRIVER_FLAGS) $(TEST_LOG_DRIVER_FLAGS) -- $(TEST_LOG_COMPILE) \
+@am__EXEEXT_TRUE@	"$$tst" $(AM_TESTS_FD_REDIRECT)
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS)
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+	-test -z "$(TEST_LOGS)" || rm -f $(TEST_LOGS)
+	-test -z "$(TEST_LOGS:.log=.trs)" || rm -f $(TEST_LOGS:.log=.trs)
+	-test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-checkPROGRAMS clean-generic mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/dfa-match-aux.Po
+	-rm -f ./$(DEPDIR)/get-mb-cur-max.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
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+
+install-dvi: install-dvi-am
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+install-dvi-am:
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+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
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+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/dfa-match-aux.Po
+	-rm -f ./$(DEPDIR)/get-mb-cur-max.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: check-am install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-TESTS \
+	check-am clean clean-checkPROGRAMS clean-generic cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic pdf pdf-am ps ps-am \
+	recheck tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+check: check_executable_TESTS
+.PHONY: check_executable_TESTS
+check_executable_TESTS: Makefile
+	$(AM_V_GEN)fail=0;						\
+        cd $(srcdir) && for i in $(TESTS); do				\
+	  test -x $$i || { fail=1; echo $$i >&2; };			\
+	done;								\
+	test $$fail = 1							\
+          && { echo the above test scripts are not executable >&2; exit 1; } \
+          || :
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tests/backref b/tests/backref
new file mode 100755
index 0000000..1d15434
--- /dev/null
+++ b/tests/backref
@@ -0,0 +1,46 @@
+#! /bin/sh
+# Test for backreferences and other things.
+#
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+failures=0
+
+# checking for a palindrome
+echo "radar" | grep -e '\(.\)\(.\).\2\1' > /dev/null 2>&1
+if test $? -ne 0 ; then
+        echo "Backref: palindrome, test #1 failed"
+        failures=1
+fi
+
+# hit hard with the 'Bond' tests
+# For now, remove the '?' in the last parentheses, so that new glibc can do it.
+# --Stepan
+echo "civic" \
+  | grep -E -e '^(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.).?\9\8\7\6\5\4\3\2\1$' \
+         > /dev/null 2>&1
+if test $? -ne 0 ; then
+        echo "Options: Bond, test #2 failed"
+        failures=1
+fi
+
+# backref are local should be error
+echo "123" | grep -e 'a\(.\)' -e 'b\1' > /dev/null 2>&1
+if test $? -ne 2 ; then
+        echo "Backref: Backref not local, test #3 failed"
+        failures=1
+fi
+
+# Pattern should fail
+echo "123" | grep -e '[' -e ']' > /dev/null 2>&1
+if test $? -ne 2 ; then
+        echo "Backref: Compiled not local, test #4 failed"
+        failures=1
+fi
+
+Exit $failures
diff --git a/tests/backref-alt b/tests/backref-alt
new file mode 100755
index 0000000..654b345
--- /dev/null
+++ b/tests/backref-alt
@@ -0,0 +1,27 @@
+#! /bin/sh
+# Test for a bug in glibc's regex code as of 2015-09-19.
+#
+# Copyright 2015-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+echo aa > in || framework_failure_
+
+fail=0
+
+grep -E 'b|(.)b|\1|b' in >out
+status=$?
+# POSIX isn't clear whether this regular expression should be invalid,
+# (because the \1 is out of range for REs that could precede it)
+# or valid but \1 should not match.  Allow either interpretation.
+test $status -eq 2 || test $status -eq 1 || fail=1
+
+grep -E '0|()0|\1|0' in >out
+status=$?
+test $status -eq 2 || test $status -eq 1 || fail=1
+
+Exit $fail
diff --git a/tests/backref-multibyte-slow b/tests/backref-multibyte-slow
new file mode 100755
index 0000000..d447a4a
--- /dev/null
+++ b/tests/backref-multibyte-slow
@@ -0,0 +1,29 @@
+#!/bin/sh
+# This was approximately quadratic up to grep-2.6.3
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_timeout_
+
+fail=0
+
+# Create a 13000-line input
+$AWK 'BEGIN {for (i=0; i<13000; i++) print "aba"}' /dev/null > in || fail=1
+
+# Use 10 times the duration of running grep in the C locale as the timeout
+# when running in en_US.UTF-8.  Round up to whole seconds, since timeout
+# can't deal with fractional seconds.
+max_seconds=$(LC_ALL=C perl -le 'use Time::HiRes qw(time); my $s = time();
+              system q,grep -E '\''^([a-z]).\1$'\'' in > /dev/null,;
+              my $elapsed = time() - $s; print int (1 + 10 * $elapsed)') \
+  || { max_seconds=5;
+       warn_ "$ME_: warning: no perl? using default of 5s timeout"; }
+
+for LOC in en_US.UTF-8; do
+  out=out-$LOC
+  LC_ALL=$LOC timeout ${max_seconds}s grep -aE '^([a-z]).\1$' in > $out 2>&1
+  test $? = 0 || fail=1
+  compare $out in || fail=1
+done
+
+Exit $fail
diff --git a/tests/backref-word b/tests/backref-word
new file mode 100755
index 0000000..e5b5486
--- /dev/null
+++ b/tests/backref-word
@@ -0,0 +1,18 @@
+#!/bin/sh
+# This would fail for grep-2.6
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+printf 'foo foo bar\n'      > exp1 || framework_failure_
+fail=0
+
+for LOC in en_US.UTF-8 zh_CN $LOCALE_FR_UTF8; do
+  out=out1-$LOC
+  LC_ALL=$LOC grep -w '\(foo\) \1' exp1 > $out || fail=1
+  compare exp1 $out || fail=1
+
+  LC_ALL=$LOC grep -wx '\(foo\) \1' exp1 > $out
+  test $? -eq 1 || fail=1
+  compare /dev/null $out || fail=1
+done
+
+Exit $fail
diff --git a/tests/backslash-s-and-repetition-operators b/tests/backslash-s-and-repetition-operators
new file mode 100755
index 0000000..45a4b55
--- /dev/null
+++ b/tests/backslash-s-and-repetition-operators
@@ -0,0 +1,36 @@
+#! /bin/sh
+# Ensure that \s and \S work with repetition operators.
+#
+# Copyright (C) 2013-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+
+fail=0
+
+for loc in en_US.UTF-8 C; do
+  echo locale=$loc
+  LC_ALL=$loc
+  export LC_ALL
+
+  printf ' \n' > in || framework_failure_
+
+  for re in '\s\+' '\s*' '\s\?' '\s\{1\}'; do
+    grep "^$re\$" in > out || fail=1
+    compare in out || fail=1
+  done
+
+  printf 'X\n' > in || framework_failure_
+
+  for re in '\S\+' '\S*' '\S\?' '\S\{1\}'; do
+    grep "^$re\$" in > out || fail=1
+    compare in out || fail=1
+  done
+done
+
+Exit $fail
diff --git a/tests/backslash-s-vs-invalid-multitype b/tests/backslash-s-vs-invalid-multitype
new file mode 100755
index 0000000..a77b6a5
--- /dev/null
+++ b/tests/backslash-s-vs-invalid-multitype
@@ -0,0 +1,26 @@
+#! /bin/sh
+# Ensure that neither \s nor \S matches an invalid multibyte character.
+#
+# Copyright (C) 2013-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+
+LC_ALL=en_US.UTF-8
+export LC_ALL
+
+printf '\202\n' > in || framework_failure_
+
+fail=0
+grep '^\S$' in > out-S && fail=1
+compare /dev/null out-S || fail=1
+
+grep '^\s$' in > out-s && fail=1
+compare /dev/null out-s || fail=1
+
+Exit $fail
diff --git a/tests/big-hole b/tests/big-hole
new file mode 100755
index 0000000..eac077f
--- /dev/null
+++ b/tests/big-hole
@@ -0,0 +1,29 @@
+#!/bin/sh
+# Check that grep --binary-file=without-match quickly skips files with holes.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+expensive_
+
+# Skip this test if there is no usable SEEK_HOLE support,
+# as is the case with linux-3.5.0 on ext4 and tmpfs file systems.
+$PERL -e '$f=*STDERR; sysseek($f,2**22,0); syswrite($f,"a");' \
+      -e 'exit ("0 but true" ne sysseek($f,0,4))' 2> seek-hole-test \
+  || skip_ "this system/FS lacks SEEK_HOLE support"
+
+# Try to make this test not THAT expensive, on typical hosts.
+virtual_memory_KiB=10240
+if echo x | (ulimit -v $virtual_memory_KiB && grep x) >/dev/null 2>&1; then
+  ulimit -v $virtual_memory_KiB
+fi
+
+# Create a file that starts with at least a buffer's worth of text,
+# but has a big hole later.
+(${AWK-awk} 'BEGIN{ for (i=0;i<1000;i++) printf "%080d\n", 0 }' < /dev/null
+  echo x | dd bs=1024k seek=8000000
+) >8T-or-so || skip_ 'cannot create big sparse file'
+
+grep --binary-file=without-match x 8T-or-so >/dev/null
+test $? -eq 1 || fail=1
+
+Exit $fail
diff --git a/tests/big-match b/tests/big-match
new file mode 100755
index 0000000..0da9731
--- /dev/null
+++ b/tests/big-match
@@ -0,0 +1,36 @@
+#!/bin/sh
+# Check that grep doesn't mishandle long matching lines.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+expensive_
+
+# Create a one-line file containing slightly more than 2 GiB.
+echo x | dd bs=1024k seek=2048 >2G-plus-2 || framework_failure_
+
+skip_diagnostic=
+
+# These two patterns catch different kinds of
+# failures due to internal integer overflows.
+# However, the second one, '^.*x\(\)\1', provokes
+# so much memory consumption via regexec.c that it renders
+# some systems unusable.
+for pattern in '^.*'; do
+  diagnostic=$(LC_ALL=C grep -a "$pattern" 2G-plus-2 2>&1 >/dev/null)
+  status=$?
+
+  case $status,$diagnostic in
+    0,*) ;;
+    2,*': line too long for re_search')
+       skip_diagnostic='regular expression library cannot handle the test' ;;
+    137,''|2,*': memory exhausted')
+       # The 137/no-diagnostic arises when the kernel OOM-kills grep.
+       skip_diagnostic='not enough main memory to run the test' ;;
+    *) fail=1 ;;
+  esac
+done
+
+case $fail,$skip_diagnostic in
+0,?*) skip_ "$skip_diagnostic" ;;
+esac
+
+Exit $fail
diff --git a/tests/bogus-wctob b/tests/bogus-wctob
new file mode 100755
index 0000000..6be6c39
--- /dev/null
+++ b/tests/bogus-wctob
@@ -0,0 +1,17 @@
+#!/bin/sh
+# This was latent in grep-2.8 and earlier because we punted interpretation
+# of MBCSETs to glibc.  However, it becomes apparent as soon as "[à]" is
+# simplified to "à".
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+printf '\340'      > in || framework_failure_
+fail=0
+
+LC_ALL=en_US.UTF-8 grep '[à]' in
+case $? in
+  0) fail=1 ;;
+  1) ;;
+  2) framework_failure_ unexpected error from grep ;;
+esac
+
+Exit $fail
diff --git a/tests/bre b/tests/bre
new file mode 100755
index 0000000..324d198
--- /dev/null
+++ b/tests/bre
@@ -0,0 +1,21 @@
+#! /bin/sh
+# Regression test for GNU grep.
+#
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+# . . . and the following by Henry Spencer.
+
+${AWK-awk} -f $abs_top_srcdir/tests/bre.awk $abs_top_srcdir/tests/bre.tests \
+    > bre.script || fail=1
+
+${re_shell-${SHELL-sh}} ./bre.script || fail=1
+
+Exit $fail
diff --git a/tests/bre.awk b/tests/bre.awk
new file mode 100644
index 0000000..4f3e006
--- /dev/null
+++ b/tests/bre.awk
@@ -0,0 +1,33 @@
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+BEGIN {
+        FS="@";
+        n = 0;
+        printf ("# Generated Spencer BRE Test\n");
+        printf ("failures=0\n");
+}
+
+$0 ~ /^#/  { next; }
+
+NF == 3 {
+#	printf ("status=$(echo '%s' | { grep -e '%s' > /dev/null 2>&1; echo $?; cat >/dev/null; })\n",$3, $2);
+        printf ("status=$(echo '%s' | { grep -e '%s' > /dev/null 2>&1; echo $? ; })\n",$3, $2);
+        printf ("if test $status -ne %s ; then\n", $1);
+        printf ("\techo Spencer bre test \\#%d failed\n", ++n);
+        printf ("\tfailures=1\n");
+        printf ("fi\n");
+}
+
+NF == 4 {
+#don't alarm users
+#	printf ("echo '%s' | grep -e '%s' > /dev/null 2>&1\n",$3, $2);
+#	printf ("if test $? -ne %s ; then\n", $1);
+#	printf ("\techo Expected non conformance \\#%d ... continuing\n", ++n);
+#	printf ("fi\n");
+}
+
+END { printf ("exit $failures\n"); }
diff --git a/tests/bre.tests b/tests/bre.tests
new file mode 100644
index 0000000..9d01a3c
--- /dev/null
+++ b/tests/bre.tests
@@ -0,0 +1,64 @@
+0@a\(b\)c@abc
+0@a(@a(
+2@a\(@EPAREN
+2@a\(b@EPAREN
+0@a(b@a(b
+0@a)@a)
+2@a\)@EPAREN
+2@\)@EPAREN
+0@a\(\)b@ab
+0@a^b@a^b
+0@a$b@a$b
+0@\($\)\(^\)@@TO CORRECT
+0@a*\(^b$\)c*@b
+0@|@|
+0@*@*
+0@\(\)@abc
+2@\(\{1\}a\)@BADRPT@TO CORRECT
+0@^*@*
+2@^\{1\}@BADRPT@TO CORRECT
+0@{@{
+1@a\(b*\)c\1d@abbcbd
+1@a\(b*\)c\1d@abbcbbbd
+1@^\(.\)\1@abc
+0@a\(\([bc]\)\2\)*d@abbccd
+1@a\(\([bc]\)\2\)*d@abbcbd
+0@a\(\(b\)*\2\)*d@abbbd
+0@\(a\)\1bcd@aabcd
+0@\(a\)\1bc*d@aabcd
+0@\(a\)\1bc*d@aabd
+0@\(a\)\1bc*d@aabcccd
+0@\(a\)\1bc*[ce]d@aabcccd@TO CORRECT
+0@^\(a\)\1b\(c\)*cd$@aabcccd
+0@a\(*\)b@a*b
+0@a\(**\)b@ab
+2@a\(***\)b@BADRPT@TO CORRECT
+0@*a@*a
+0@**a@a
+2@***a@BADRPT@TO CORRECT
+0@a\{1\}b@ab
+0@a\{1,\}b@ab
+0@a\{1,2\}b@aab
+2@a\{1@EBRACE
+2@a\{1a@EBRACE
+2@a\{1a\}@BADBR
+0@a\{,2\}@a\{,2\}
+0@a\{,\}@a\{,\}
+2@a\{\}@BADBR
+2@a\{1,x\}@BADBR
+2@a\{1,x@EBRACE
+2@a\{32768\}@BADBR
+2@a\{1,0\}@BADBR
+0@ab\{0,0\}c@abcac
+0@ab\{0,1\}c@abcac
+0@ab\{0,3\}c@abbcac
+0@ab\{1,1\}c@acabc
+0@ab\{1,3\}c@acabc
+0@ab\{2,2\}c@abcabbc
+0@ab\{2,4\}c@abcabbc
+2@a\{1\}\{1\}@BADRPT@TO CORRECT
+2@a*\{1\}@BADRPT@TO CORRECT
+2@a\{1\}*@BADRPT@TO CORRECT
+1@a\(b\)?c\1d@acd
+0@-\{0,1\}[0-9]*$@-5
+2@b\{1000000000\}@ESIZE
diff --git a/tests/c-locale b/tests/c-locale
new file mode 100755
index 0000000..1fe5c70
--- /dev/null
+++ b/tests/c-locale
@@ -0,0 +1,26 @@
+#! /bin/sh
+# Regression test for GNU grep.
+#
+# Copyright 2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+c=1
+while test $c -lt 256; do
+  tr2=$(printf '\\%o\n' $c)
+  echo X | tr X "$tr2" >in
+  if test $(wc -l <in) -eq 1; then
+    grep . in >out || fail=1
+    compare in out || fail=1
+  fi
+  test $fail -ne 0 && Exit $fail
+  c=$(expr $c + 1)
+done
+
+Exit $fail
diff --git a/tests/case-fold-backref b/tests/case-fold-backref
new file mode 100755
index 0000000..b96b481
--- /dev/null
+++ b/tests/case-fold-backref
@@ -0,0 +1,14 @@
+#!/bin/sh
+# This would fail for grep-2.5.3
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+printf '%s foo\n' foo fOo Foo FOO > exp1 || framework_failure_
+fail=0
+
+for LOC in en_US.UTF-8 en_US zh_CN $LOCALE_FR_UTF8 C; do
+  out=out1-$LOC
+  LC_ALL=$LOC grep -Ei '(foo) \1' exp1 > $out || fail=1
+  compare exp1 $out || fail=1
+done
+
+Exit $fail
diff --git a/tests/case-fold-backslash-w b/tests/case-fold-backslash-w
new file mode 100755
index 0000000..57ff0f5
--- /dev/null
+++ b/tests/case-fold-backslash-w
@@ -0,0 +1,13 @@
+#!/bin/sh
+# test that \W works on case-insensitive matches.  It used to become \w.
+# Derived from https://savannah.gnu.org/bugs/?28162
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+if echo foo bar | LANG=C.ASCII grep '^foo\W'; then
+  echo foo bar | LANG=C.ASCII grep -i '^foo\W' || fail_ ASCII insensitive
+else
+  echo foo bar | LANG=C grep '^foo\W' || fail_ LANG=C sensitive
+  echo foo bar | LANG=C grep -i '^foo\W' || fail_ LANG=C insensitive
+fi
+echo foo bar | LANG=en_US.UTF-8 grep '^foo\W' || fail_ UTF-8 sensitive
+echo foo bar | LANG=en_US.UTF-8 grep -i '^foo\W' || fail_ UTF-8 insensitive
diff --git a/tests/case-fold-char-class b/tests/case-fold-char-class
new file mode 100755
index 0000000..ac8f3ee
--- /dev/null
+++ b/tests/case-fold-char-class
@@ -0,0 +1,22 @@
+#!/bin/sh
+# This would fail for grep-2.5.3
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+printf 'Y\n'      > exp1 || framework_failure_
+fail=0
+
+for LOC in en_US.UTF-8 zh_CN $LOCALE_FR_UTF8; do
+  out=out1-$LOC
+  printf 'X\nY\nZ\n' | LC_ALL=$LOC grep -i '[y]' > $out || fail=1
+  compare exp1 $out || fail=1
+done
+
+printf 'y\n'      > exp2 || framework_failure_
+
+for LOC in en_US.UTF-8 zh_CN $LOCALE_FR_UTF8; do
+  out=out2-$LOC
+  printf 'x\ny\nz\n' | LC_ALL=$LOC grep -i '[Y]' > $out || fail=1
+  compare exp2 $out || fail=1
+done
+
+Exit $fail
diff --git a/tests/case-fold-char-range b/tests/case-fold-char-range
new file mode 100755
index 0000000..4203024
--- /dev/null
+++ b/tests/case-fold-char-range
@@ -0,0 +1,23 @@
+#!/bin/sh
+# This would fail for grep-2.5.3
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+printf 'A\nZ\n'      > exp1 || framework_failure_
+fail=0
+
+for LOC in en_US.UTF-8 zh_CN $LOCALE_FR_UTF8; do
+  out=out1-$LOC
+  printf 'A\n1\nZ\n.\n' | LC_ALL=$LOC grep -i '[a-z]' > $out || fail=1
+  compare exp1 $out || fail=1
+done
+
+# This actually passes also for grep-2.5.3
+printf 'a\nz\n'      > exp2 || framework_failure_
+
+for LOC in en_US.UTF-8 zh_CN $LOCALE_FR_UTF8; do
+  out=out2-$LOC
+  printf 'a\n1\nz\n.\n' | LC_ALL=$LOC grep -i '[A-Z]' > $out || fail=1
+  compare exp2 $out || fail=1
+done
+
+Exit $fail
diff --git a/tests/case-fold-char-type b/tests/case-fold-char-type
new file mode 100755
index 0000000..d5fd67c
--- /dev/null
+++ b/tests/case-fold-char-type
@@ -0,0 +1,22 @@
+#!/bin/sh
+# This would fail for grep-2.5.3
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+printf 'Y\n'      > exp1 || framework_failure_
+fail=0
+
+for LOC in en_US.UTF-8 zh_CN $LOCALE_FR_UTF8; do
+  out=out1-$LOC
+  printf '1\nY\n.\n' | LC_ALL=$LOC grep -i '[[:lower:]]' > $out || fail=1
+  compare exp1 $out || fail=1
+done
+
+printf 'y\n'      > exp2 || framework_failure_
+
+for LOC in en_US.UTF-8 zh_CN $LOCALE_FR_UTF8; do
+  out=out2-$LOC
+  printf '1\ny\n.\n' | LC_ALL=$LOC grep -i '[[:upper:]]' > $out || fail=1
+  compare exp2 $out || fail=1
+done
+
+Exit $fail
diff --git a/tests/case-fold-titlecase b/tests/case-fold-titlecase
new file mode 100755
index 0000000..57a4613
--- /dev/null
+++ b/tests/case-fold-titlecase
@@ -0,0 +1,190 @@
+#!/bin/sh
+# Check that case folding works even with titlecase and similarly odd chars.
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_compiled_in_MB_support
+LC_ALL=en_US.UTF-8
+export LC_ALL
+
+fail=0
+
+for testcase in \
+  0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
+do
+  case $testcase in
+    0)
+      a='\302\265'     # U+00B5
+      b='\316\234'     # U+039C
+      c='\316\274'     # U+03BC
+      ;;
+    1)
+      a='\111'         # U+0049
+      b='\151'         # U+0069
+      c='\304\260'     # U+0130
+      ;;
+    2)
+      a='\111'         # U+0049
+      b='\151'         # U+0069
+      c='\304\261'     # U+0131
+      ;;
+    3)
+      a='\123'         # U+0053
+      b='\163'         # U+0073
+      c='\305\277'     # U+017F
+      ;;
+    4)
+      a='\307\204'     # U+01C4
+      b='\307\205'     # U+01C5
+      c='\307\206'     # U+01C6
+      ;;
+    5)
+      a='\307\207'     # U+01C7
+      b='\307\210'     # U+01C8
+      c='\307\211'     # U+01C9
+      ;;
+    6)
+      a='\307\212'     # U+01CA
+      b='\307\213'     # U+01CB
+      c='\307\214'     # U+01CC
+      ;;
+    7)
+      a='\307\261'     # U+01F1
+      b='\307\262'     # U+01F2
+      c='\307\263'     # U+01F3
+      ;;
+    8)
+      a='\315\205'     # U+0345
+      b='\316\231'     # U+0399
+      c='\316\271'     # U+03B9
+      ;;
+    9)
+      a='\316\243'     # U+03A3
+      b='\317\202'     # U+03C2
+      c='\317\203'     # U+03C3
+      ;;
+    10)
+      a='\316\222'     # U+0392
+      b='\316\262'     # U+03B2
+      c='\317\220'     # U+03D0
+      ;;
+    11)
+      a='\316\230'     # U+0398
+      b='\316\270'     # U+03B8
+      c='\317\221'     # U+03D1
+      ;;
+    12)
+      a='\316\246'     # U+03A6
+      b='\317\206'     # U+03C6
+      c='\317\225'     # U+03D5
+      ;;
+    13)
+      a='\316\240'     # U+03A0
+      b='\317\200'     # U+03C0
+      c='\317\226'     # U+03D6
+      ;;
+    14)
+      a='\316\232'     # U+039A
+      b='\316\272'     # U+03BA
+      c='\317\260'     # U+03F0
+      ;;
+    15)
+      a='\316\241'     # U+03A1
+      b='\317\201'     # U+03C1
+      c='\317\261'     # U+03F1
+      ;;
+    16)
+      a='\316\230'     # U+0398
+      b='\316\270'     # U+03B8
+      c='\317\264'     # U+03F4
+      ;;
+    17)
+      a='\316\225'     # U+0395
+      b='\316\265'     # U+03B5
+      c='\317\265'     # U+03F5
+      ;;
+    18)
+      a='\341\271\240' # U+1E60
+      b='\341\271\241' # U+1E61
+      c='\341\272\233' # U+1E9B
+      ;;
+    19)
+      a='\303\237'     # U+00DF
+      b='\303\237'     # U+00DF
+      c='\341\272\236' # U+1E9E
+      ;;
+    20)
+      a='\316\231'     # U+0399
+      b='\316\271'     # U+03B9
+      c='\341\276\276' # U+1FBE
+      ;;
+    21)
+      a='\316\251'     # U+03A9
+      b='\317\211'     # U+03C9
+      c='\342\204\246' # U+2126
+      ;;
+    22)
+      a='\113'         # U+004B
+      b='\153'         # U+006B
+      c='\342\204\252' # U+212A
+      ;;
+    23)
+      a='\303\205'     # U+00C5
+      b='\303\245'     # U+00E5
+      c='\342\204\253' # U+212B
+      ;;
+    24)
+      a='\316\243'     # U+03A3
+      b='\317\203'     # U+03C3
+      c='\317\262'     # U+03F2
+      ;;
+  esac
+
+  printf "$a\\n$b\\n$c\\n" >in || framework_failure_
+  for pattern in "$a" "$b" "$c"; do
+     pat=$(printf "$pattern\\n") || framework_failure_
+     grep -i "\\(\\)\\1$pat" in >out-regex || fail=1
+     grep -i "$pat" in >out-dfa || fail=1
+     compare_ out-regex out-dfa || fail=1
+     grep -iF "$pat" in >out-fixed || fail=1
+     compare_ out-regex out-fixed || fail=1
+  done
+done
+
+# Try a unibyte test with ISO 8859-7, if available.
+if test "$(get-mb-cur-max el_GR.iso88597)" -eq 1; then
+  LC_ALL=el_GR.iso88597
+  export LC_ALL
+
+  a='\323' # SIGMA
+  b='\362' # stigma
+  c='\363' # sigma
+
+  printf "$a\\n$b\\n$c\\n" >in || framework_failure_
+  for pattern in "$a" "$b" "$c"; do
+     pat=$(printf "$pattern\\n") || framework_failure_
+     grep -i "\\(\\)\\1$pat" in >out-regex || fail=1
+     grep -i "$pat" in >out-dfa || fail=1
+     compare_ out-regex out-dfa || fail=1
+     grep -iF "$pat" in >out-fixed || fail=1
+     compare_ out-regex out-fixed || fail=1
+  done
+fi
+
+Exit $fail
diff --git a/tests/char-class-multibyte b/tests/char-class-multibyte
new file mode 100755
index 0000000..459d10c
--- /dev/null
+++ b/tests/char-class-multibyte
@@ -0,0 +1,31 @@
+#!/bin/sh
+# This would segfault for grep-2.6
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_compiled_in_MB_support
+
+printf 'é\n'      > exp1 || framework_failure_
+fail=0
+
+for LOC in en_US.UTF-8 $LOCALE_FR_UTF8; do
+  out=out1-$LOC
+  printf 'á\nç\né\n' | LC_ALL=$LOC grep '[é]' > $out || fail=1
+  compare exp1 $out || fail=1
+done
+
+printf 'É\n'      > exp2 || framework_failure_
+
+for LOC in en_US.UTF-8 $LOCALE_FR_UTF8; do
+  out=out2-$LOC
+  printf 'Á\nÇ\nÉ\n' | LC_ALL=$LOC grep '[É]' > $out || fail=1
+  compare exp2 $out || fail=1
+done
+
+for LOC in en_US.UTF-8 $LOCALE_FR_UTF8; do
+  out=out3-$LOC
+  printf '\303\n' | LC_ALL=$LOC grep '[é]' > $out
+  test $? = 1 || fail=1
+done
+
+Exit $fail
diff --git a/tests/char-class-multibyte2 b/tests/char-class-multibyte2
new file mode 100755
index 0000000..6cdada5
--- /dev/null
+++ b/tests/char-class-multibyte2
@@ -0,0 +1,19 @@
+#!/bin/sh
+# This test would segfault for grep-2.14
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_compiled_in_MB_support
+
+e_acute=$(printf '\303\251')
+printf "$e_acute\n" > exp || framework_failure_
+fail=0
+
+for LOC in en_US.UTF-8 $LOCALE_FR_UTF8; do
+  out=out-$LOC
+  printf "á\nç\n$e_acute\n" | LC_ALL=$LOC grep -E "([^.]*[$e_acute]){1,2}" \
+      > $out || fail=1
+  compare exp $out || fail=1
+done
+
+Exit $fail
diff --git a/tests/context-0 b/tests/context-0
new file mode 100755
index 0000000..4b63305
--- /dev/null
+++ b/tests/context-0
@@ -0,0 +1,27 @@
+#!/bin/sh
+# 0 lines of context
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+cat <<EOF > in || framework_failure_
+needle
+1st line of context
+2nd line of context
+3rd line of context
+another needle
+5th line of context relative to first match
+6th line...
+EOF
+
+cat <<EOF > exp || framework_failure_
+needle
+--
+another needle
+EOF
+
+fail=0
+grep -C 0 needle in > out 2>err || fail=1
+
+compare exp out || fail=1
+compare /dev/null err || fail=1
+
+Exit $fail
diff --git a/tests/count-newline b/tests/count-newline
new file mode 100755
index 0000000..b37b8ec
--- /dev/null
+++ b/tests/count-newline
@@ -0,0 +1,28 @@
+#!/bin/sh
+# Test that newline is counted correctly even when the transition
+# table is rebuilt.
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+printf '%1024d\nb\n' 0 >in || framework_failure_
+
+grep -f in in >out || fail=1
+
+compare in out || fail=1
+
+Exit $fail
diff --git a/tests/dfa-coverage b/tests/dfa-coverage
new file mode 100755
index 0000000..ca8654f
--- /dev/null
+++ b/tests/dfa-coverage
@@ -0,0 +1,32 @@
+#!/bin/sh
+# Exercise the final reachable code in dfa.c's match_mb_charset.
+
+# Copyright (C) 2012-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_compiled_in_MB_support
+
+fail=0
+
+echo a > in || framework_failure_
+
+LC_ALL=en_US.UTF-8 grep -E '[^_]|$' in > out || fail=1
+
+compare out in || fail=1
+
+Exit $fail
diff --git a/tests/dfa-heap-overrun b/tests/dfa-heap-overrun
new file mode 100755
index 0000000..874dea2
--- /dev/null
+++ b/tests/dfa-heap-overrun
@@ -0,0 +1,26 @@
+#!/bin/sh
+# Trigger a heap overrun in grep-2.6..grep-2.8.
+
+# Copyright (C) 2011-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+grep -E '(^| )*(a|b)*(c|d)*( |$)' < /dev/null
+test $? = 1 || fail=1
+
+Exit $fail
diff --git a/tests/dfa-match b/tests/dfa-match
new file mode 100755
index 0000000..373c83c
--- /dev/null
+++ b/tests/dfa-match
@@ -0,0 +1,45 @@
+#!/bin/sh
+# This would fail for grep-2.21.
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+# Add "." to PATH for the use of dfa-match-aux.
+path_prepend_ .
+
+require_timeout_
+
+fail=0
+
+fail1=0
+dfa-match-aux a ba 0 > out || fail1=1
+compare /dev/null out || fail1=1
+if test $fail1 -ne 0; then
+  warn_ 'dfa-match test #1 failed\n'
+  fail=1
+fi
+
+fail2=0
+in=$(printf "bb\nbb")
+timeout 3 dfa-match-aux a "$in" 1 > out || fail2=1
+compare /dev/null out || fail2=1
+if test $fail2 -ne 0; then
+  warn_ 'dfa-match test #2 failed\n'
+  fail=1
+fi
+
+Exit $fail
diff --git a/tests/dfa-match-aux.c b/tests/dfa-match-aux.c
new file mode 100644
index 0000000..af933ff
--- /dev/null
+++ b/tests/dfa-match-aux.c
@@ -0,0 +1,71 @@
+/* Auxiliary program to test a DFA code path that cannot be triggered
+   by grep or gawk.
+   Copyright 2014-2016 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+#include <config.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <regex.h>
+#include <dfa.h>
+
+#include "progname.h"
+
+_Noreturn void
+dfaerror (char const *mesg)
+{
+  printf ("dfaerror: %s\n", mesg);
+  exit (EXIT_FAILURE);
+}
+
+_Noreturn void
+dfawarn (char const *mesg)
+{
+  printf ("dfawarn: %s\n", mesg);
+  exit (EXIT_FAILURE);
+}
+
+int
+main (int argc, char **argv)
+{
+  struct dfa *dfa;
+  char *beg, *end, *p;
+  int allow_nl;
+
+  set_program_name (argv[0]);
+  if (argc < 3)
+    exit (EXIT_FAILURE);
+
+  setlocale (LC_ALL, "");
+
+  dfasyntax (RE_SYNTAX_GREP | RE_NO_EMPTY_RANGES, 0, '\n');
+  dfa = dfaalloc ();
+  dfacomp (argv[1], strlen (argv[1]), dfa, 0);
+
+  beg = argv[2];
+  end = argv[2] + strlen (argv[2]);
+  allow_nl = argc > 3 && atoi (argv[3]);
+
+  p = dfaexec (dfa, beg, end, allow_nl, NULL, NULL);
+
+  if (p != NULL)
+    printf ("%zd\n", p - beg);
+
+  exit (EXIT_SUCCESS);
+}
diff --git a/tests/dfaexec-multibyte b/tests/dfaexec-multibyte
new file mode 100755
index 0000000..baac9ba
--- /dev/null
+++ b/tests/dfaexec-multibyte
@@ -0,0 +1,25 @@
+#!/bin/sh
+# This would fail for grep-2.5.3
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+printf 'aa\nab\nba\nbb\n' > exp1 || framework_failure_
+printf '1 2 3\n' > exp2 || framework_failure_
+
+fail=0
+
+for LOC in en_US.UTF-8 zh_CN $LOCALE_FR_UTF8; do
+  out=out1-ab-$LOC
+  LC_ALL=$LOC grep -E '([a]|[b]){2}' < exp1 > $out || fail=1
+  compare exp1 $out || fail=1
+
+  out=out1-ba-$LOC
+  LC_ALL=$LOC grep -E '([b]|[a]){2}' < exp1 > $out || fail=1
+  compare exp1 $out || fail=1
+
+  out=out2-$LOC
+  LC_ALL=$LOC grep -E '^([[:digit:]]+[[:space:]]+){2}' < exp2 > $out || fail=1
+  compare exp2 $out || fail=1
+
+done
+
+Exit $fail
diff --git a/tests/empty b/tests/empty
new file mode 100755
index 0000000..2b5ecf2
--- /dev/null
+++ b/tests/empty
@@ -0,0 +1,82 @@
+#! /bin/sh
+# test that the empty file means no pattern
+# and an empty pattern means match all.
+#
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_timeout_
+
+failures=0
+
+for locale in C en_US.UTF-8; do
+    for options in '-E' '-F'; do
+
+        # should return 0 found a match
+        echo "" | LC_ALL=$locale timeout 10s grep $options -e ''
+        if test $? -ne 0 ; then
+          echo "Status: Wrong status code, test \#1 failed ($options $locale)"
+          failures=1
+        fi
+
+        # should return 1 found no match
+        echo abcd | LC_ALL=$locale timeout 10s grep $options -f /dev/null
+        if test $? -ne 1 ; then
+          echo "Status: Wrong status code, test \#2 failed ($options $locale)"
+          failures=1
+        fi
+
+        # should return 0 found a match
+        echo abcd \
+            | LC_ALL=$locale timeout 10s grep $options -f /dev/null -e abcd
+        if test $? -ne 0 ; then
+          echo "Status: Wrong status code, test \#3 failed ($options $locale)"
+          failures=1
+        fi
+
+        # should return 0 found a match
+        echo "" | LC_ALL=$locale timeout 10s grep $options -e ''
+        if test $? -ne 0 ; then
+          echo "Status: Wrong status code, test \#4 failed ($options $locale)"
+          failures=1
+        fi
+
+        # should return 0 found a match
+        echo abcd | LC_ALL=$locale timeout 10s grep $options -e ''
+        if test $? -ne 0 ; then
+          echo "Status: Wrong status code, test \#5 failed ($options $locale)"
+          failures=1
+        fi
+    done
+
+    for options in '-E -w' '-E -x' '-E -w -x' '-F -w' '-F -x' '-F -w -x'; do
+
+        # should return 0 found a match
+        echo "" | LC_ALL=$locale timeout 10s grep $options -e ''
+        if test $? -ne 0 ; then
+          echo "Status: Wrong status code, test \#6 failed ($options $locale)"
+          failures=1
+        fi
+
+        # should return 1 found no match
+        echo abcd | LC_ALL=$locale timeout 10s grep $options -f /dev/null
+        if test $? -ne 1 ; then
+          echo "Status: Wrong status code, test \#7 failed ($options $locale)"
+          failures=1
+        fi
+
+        # should return 1 found no match
+        echo abcd | LC_ALL=$locale timeout 10s grep $options -f /dev/null -e ""
+        if test $? -ne 1 ; then
+          echo "Status: Wrong status code, test \#8 failed ($options $locale)"
+          failures=1
+        fi
+    done
+done
+
+Exit $failures
diff --git a/tests/empty-line b/tests/empty-line
new file mode 100755
index 0000000..25e9509
--- /dev/null
+++ b/tests/empty-line
@@ -0,0 +1,41 @@
+#! /bin/sh
+# Test that the empty pattern matches everything.
+# Some of these tests failed in grep 2.18.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+printf 'abc\n' >in || framework_failure_
+nl='
+'
+
+for opt in '' -E -F; do
+  case $opt in
+    '') prefix='\(\)\1';;
+    -E) prefix='()\1';;
+    -F) prefix="foo$nl";;
+  esac
+
+  for pattern in "" "$nl" "---$nl" "${nl}foo"; do
+    for pat in "$pattern" "$prefix$pattern"; do
+      grep $opt -e "$pat" in >out || fail=1
+      compare in out || fail=1
+
+      printf -- '%s\n' "$pat" >pat || framework_failure_
+      grep $opt -f pat in >out || fail=1
+      compare in out || fail=1
+
+      # Check that pattern files that end in non-newlines
+      # are treated as if a newline were appended.
+      case $pattern in
+        '' | *"$nl") ;;
+        *)
+          printf -- '%s' "$pat" >pat || framework_failure_
+          grep $opt -f pat in >out || fail=1
+          compare in out || fail=1;;
+      esac
+    done
+  done
+done
+
+Exit $fail
diff --git a/tests/empty-line-mb b/tests/empty-line-mb
new file mode 100755
index 0000000..605ecf9
--- /dev/null
+++ b/tests/empty-line-mb
@@ -0,0 +1,29 @@
+#! /bin/sh
+# Exercise bugs in grep-2.13 with -i, -n and an RE of ^$ in a multi-byte locale.
+#
+# Copyright (C) 2012-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+
+LC_ALL=en_US.UTF-8
+export LC_ALL
+
+printf 'a\n\nb\n' > in || framework_failure_
+printf '2:\n' > exp || framework_failure_
+
+printf 'a\nb\n' > in2 || framework_failure_
+
+grep -n -i '^$' in > out || fail=1
+compare exp out || fail=1
+
+# Expect no match: with grep-2.13 this would mistakenly exit 0
+grep -i '^$' in2 > out && fail=1
+compare /dev/null out || fail=1
+
+Exit $fail
diff --git a/tests/encoding-error b/tests/encoding-error
new file mode 100755
index 0000000..4b5fcb5
--- /dev/null
+++ b/tests/encoding-error
@@ -0,0 +1,41 @@
+#! /bin/sh
+# Test grep's behavior on encoding errors.
+#
+# Copyright 2015-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+
+LC_ALL=en_US.UTF-8
+export LC_ALL
+
+printf 'Alfred Jones\n' > a || framework_failure_
+printf 'John Smith\n' >j || framework_failure_
+printf 'Pedro P\351rez\n' >p || framework_failure_
+cat a p j >in || framework_failure_
+
+fail=0
+
+grep '^A' in >out || fail=1
+compare a out || fail=1
+
+grep '^P' in >out || fail=1
+printf 'Binary file in matches\n' >exp || framework_failure_
+compare exp out || fail=1
+
+grep '^J' in >out || fail=1
+compare j out || fail=1
+
+grep '^X' in >out
+test $? = 1 || fail=1
+compare /dev/null out || fail=1
+
+grep -a . in >out || fail=1
+compare in out
+
+Exit $fail
diff --git a/tests/epipe b/tests/epipe
new file mode 100755
index 0000000..3b568e3
--- /dev/null
+++ b/tests/epipe
@@ -0,0 +1,29 @@
+#!/bin/sh
+# Check that a write failure with errno == EPIPE
+# doesn't cause grep to issue multiple "write error" diagnostics.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+if
+   # Use awk to output a bounded amount of data to the grep in question,
+   # so that the test doesn't loop forever if grep is buggy.
+   # Use an explicit /dev/null for the benefit of older (pre-POSIX) awks.
+   #
+   # Carefully close fd 3 when not needed, as a sanity check.
+   #
+   # Do not use "trap - PIPE" or "trap 'something' PIPE" here, since we may
+   # be running in an environment where SIGPIPE is ignored, and in such an
+   # environment POSIX says that "trap '' PIPE" is all we can do portably.
+   (
+     ${AWK-awk} 'BEGIN { for (i=0; i<1000000; i++) print i; }' /dev/null 3>&- |
+     (trap '' PIPE; exec grep . 2>&3 3>&-) |
+     :
+   ) 3>&1 | (
+     read line1 && echo >&2 "$line1" &&
+     read line2 && echo >&2 "$line2"
+   )
+then fail=1
+else fail=0
+fi
+
+Exit $fail
diff --git a/tests/equiv-classes b/tests/equiv-classes
new file mode 100755
index 0000000..940efa4
--- /dev/null
+++ b/tests/equiv-classes
@@ -0,0 +1,13 @@
+#!/bin/sh
+# Test that equivalence classes work.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_compiled_in_MB_support
+
+LC_ALL=en_US.UTF-8
+export LC_ALL
+
+echo à | grep '[[=a=]]' > /dev/null
+Exit $?
diff --git a/tests/ere b/tests/ere
new file mode 100755
index 0000000..68d1533
--- /dev/null
+++ b/tests/ere
@@ -0,0 +1,21 @@
+#! /bin/sh
+# Regression test for GNU grep.
+#
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+# . . . and the following by Henry Spencer.
+
+${AWK-awk} -f $abs_top_srcdir/tests/ere.awk $abs_top_srcdir/tests/ere.tests \
+  > ere.script || fail=1
+
+${re_shell-${SHELL-sh}} ere.script || fail=1
+
+Exit $fail
diff --git a/tests/ere.awk b/tests/ere.awk
new file mode 100644
index 0000000..9ffc9f6
--- /dev/null
+++ b/tests/ere.awk
@@ -0,0 +1,38 @@
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+BEGIN {
+        FS="@";
+        n = 0;
+        printf ("# Generated Spencer ERE Test\n");
+        printf ("failures=0\n");
+}
+
+$0 ~ /^#/  { next; }
+
+NF == 3 {
+#	printf ("status=$(echo '%s' | { grep -E -e '%s' > /dev/null 2>&1; echo $?; cat >/dev/null; })\n",$3, $2);
+        printf ("status=$(echo '%s' | { grep -E -e '%s' > /dev/null 2>&1; echo $?;  })\n",$3, $2);
+        printf ("if test $status -ne %s ; then\n", $1);
+        printf ("\techo Spencer ere test \\#%d failed\n", ++n);
+        printf ("\tfailures=1\n");
+        printf ("fi\n");
+}
+
+NF == 4 {
+# don't alarm the user for now
+#	printf ("echo '%s'|grep -E -e '%s' > /dev/null 2>&1\n",$3, $2);
+#	printf ("if test $? -ne %s ; then\n", $1);
+#	printf ("\techo Expected non conformance \\#%d ... continuing\n", ++n);
+#	printf ("fi\n");
+}
+
+NF == 5 {
+# don't alarm the user for now
+        next;
+}
+
+END { printf ("exit $failures\n"); }
diff --git a/tests/ere.tests b/tests/ere.tests
new file mode 100644
index 0000000..8ab6510
--- /dev/null
+++ b/tests/ere.tests
@@ -0,0 +1,220 @@
+0@a@a
+0@abc@abc
+0@abc|de@abc
+0@a|b|c@abc
+0@a(b)c@abc
+2@a(@EPAREN
+0@a\(@a(
+2@a(b@EPAREN
+0@a)@a)@POSIX BOTCH
+0@)@)@POSIX BOTCH
+0@a()b@ab
+0@^abc$@abc
+1@a^b@a^b
+1@a$b@a$b
+0@^@abc
+0@$@abc
+0@^$@@TO CORRECT
+0@$^@@TO CORRECT
+0@^^@@TO CORRECT
+0@$$@@TO CORRECT
+0@a*(^b$)c*@b
+2@|@EMPTY@NO ALTERNATION
+2@*@BADRPT@TO CORRECT
+2@+@BADRPT@TO CORRECT
+2@?@BADRPT@TO CORRECT
+1@&C@PASS
+0@()@abc
+2@a||b@EMPTY@NO ALTERNATION
+2@|ab@EMPTY@NO ALTERNATION
+2@ab|@EMPTY@NO ALTERNATION
+2@(|a)b@EMPTY@NO ALTERNATION
+2@(a|)b@EMPTY@NO ALTERNATION
+2@(*a)@BADRPT@TO CORRECT
+2@(+a)@BADRPT@TO CORRECT
+2@(?a)@BADRPT@TO CORRECT
+2@({1}a)@BADRPT@TO CORRECT
+2@(a|*b)@BADRPT@NO ALTERNATION
+2@(a|+b)@BADRPT@NO ALTERNATION
+2@(a|?b)@BADRPT@NO ALTERNATION
+2@(a|{1}b)@BADRPT@NO ALTERNATION
+2@^*@BADRPT@TO CORRECT
+2@^+@BADRPT@TO CORRECT
+2@^?@BADRPT@TO CORRECT
+2@^{1}@BADRPT@TO CORRECT
+0@a.c@abc
+0@a[bc]d@abd
+0@a\*c@a*c
+0@a\\b@a\b@TO CORRECT
+0@a\\\*b@a\*b@SHELL TROUBLE
+0@a\bc@abc@TO CORRECT
+2@a\@EESCAPE@SHELL TROUBLE
+0@a\\bc@a\bc@TO CORRECT
+0@a\[b@a[b
+2@a[b@EBRACK
+0@a$@a
+1@a$@a$
+1@a\$@a@SHELL TROUBLE
+0@a\$@a$@SHELL TROUBLE
+1@a\\$@a
+1@a\\$@a$@SHELL TROUBLE
+1@a\\$@a\$@SHELL TROUBLE
+0@a\\$@a\@SHEL TROUBLE
+0@ab*c@abc
+0@ab+c@abc
+0@ab?c@abc
+0@{@{@TO CORRECT
+0@{abc@{abc@TO CORRECT
+0@{1@{1
+2@{1}@BADRPT@TO CORRECT
+0@a{b@a{b@TO CORRECT
+0@a{1}b@ab
+0@a{1,}b@ab
+0@a{1,2}b@aab
+0@a{1@a{1
+1@a{1a@aa
+0@a{1a}@a{1a}
+0@a{,2}@a{,2}
+0@a{,}@a{,}
+2@a{}@BADBR
+0@a{1,*}@a{1,,,}
+2@a{1,x@EBRACE@TO CORRECT
+2@a{300}@BADBR@TO CORRECT
+2@a{1,0}@BADBR@TO CORRECT
+0@ab{0,0}c@abcac
+0@ab{0,1}c@abcac
+0@ab{0,3}c@abbcac
+0@ab{1,1}c@acabc
+0@ab{1,3}c@acabc
+0@ab{2,2}c@abcabbc
+0@ab{2,4}c@abcabbc
+2@a**@BADRPT@TO CORRECT
+2@a++@BADRPT@TO CORRECT
+2@a??@BADRPT@TO CORRECT
+2@a*+@BADRPT@TO CORRECT
+2@a*?@BADRPT@TO CORRECT
+2@a+*@BADRPT@TO CORRECT
+2@a+?@BADRPT@TO CORRECT
+2@a?*@BADRPT@TO CORRECT
+2@a?+@BADRPT@TO CORRECT
+2@a{1}{1}@BADRPT@TO CORRECT
+2@a*{1}@BADRPT@TO CORRECT
+2@a+{1}@BADRPT@TO CORRECT
+2@a?{1}@BADRPT@TO CORRECT
+2@a{1}*@BADRPT@TO CORRECT
+2@a{1}+@BADRPT@TO CORRECT
+2@a{1}?@BADRPT@TO CORRECT
+0@a*{b}@a{b}@TO CORRECT
+0@a[b]c@abc
+0@a[ab]c@abc
+0@a[^ab]c@adc
+0@a[]b]c@a]c
+0@a[[b]c@a[c
+0@a[-b]c@a-c
+0@a[^]b]c@adc
+0@a[^-b]c@adc
+0@a[b-]c@a-c
+2@a[b@EBRACK
+2@a[]@EBRACK
+0@a[1-3]c@a2c
+2@a[3-1]c@ERANGE@TO CORRECT
+2@a[1-3-5]c@ERANGE@TO CORRECT
+0@a[[.-.]--]c@a-c@TO CORRECT
+2@a[1-@ERANGE
+2@a[[.@EBRACK
+2@a[[.x@EBRACK
+2@a[[.x.@EBRACK
+2@a[[.x.]@EBRACK@TO CORRECT
+0@a[[.x.]]@ax@TO CORRECT
+2@a[[.x,.]]@ECOLLATE@TO CORRECT
+0@a[[.one.]]b@a1b@TO CORRECT
+2@a[[.notdef.]]b@ECOLLATE@TO CORRECT
+0@a[[.].]]b@a]b@TO CORRECT
+0@a[[:alpha:]]c@abc
+2@a[[:notdef:]]c@ECTYPE
+2@a[[:@EBRACK
+2@a[[:alpha@EBRACK
+2@a[[:alpha:]@EBRACK
+2@a[[:alpha,:]@ECTYPE
+2@a[[:]:]]b@ECTYPE
+2@a[[:-:]]b@ECTYPE
+2@a[[:alph:]]@ECTYPE
+2@a[[:alphabet:]]@ECTYPE
+0@[[:digit:]]+@a019b
+0@[[:lower:]]+@AabC
+0@[[:upper:]]+@aBCd
+0@[[:xdigit:]]+@p0f3Cq
+0@a[[=b=]]c@abc@TO CORRECT
+2@a[[=@EBRACK
+2@a[[=b@EBRACK
+2@a[[=b=@EBRACK
+2@a[[=b=]@EBRACK@TO CORRECT
+2@a[[=b,=]]@ECOLLATE@TO CORRECT
+0@a[[=one=]]b@a1b@TO CORRECT
+0@a(((b)))c@abc
+0@a(b|(c))d@abd
+0@a(b*|c)d@abbd
+0@a[ab]{20}@aaaaabaaaabaaaabaaaab
+0@a[ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab]@aaaaabaaaabaaaabaaaab
+0@a[ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab](wee|week)(knights|night)@aaaaabaaaabaaaabaaaabweeknights
+0@12345678901234567890123456789@a12345678901234567890123456789b
+0@123456789012345678901234567890@a123456789012345678901234567890b
+0@1234567890123456789012345678901@a1234567890123456789012345678901b
+0@12345678901234567890123456789012@a12345678901234567890123456789012b
+0@123456789012345678901234567890123@a123456789012345678901234567890123b
+0@1234567890123456789012345678901234567890123456789012345678901234567890@a1234567890123456789012345678901234567890123456789012345678901234567890b
+0@[ab][cd][ef][gh][ij][kl][mn]@xacegikmoq
+0@[ab][cd][ef][gh][ij][kl][mn][op]@xacegikmoq
+0@[ab][cd][ef][gh][ij][kl][mn][op][qr]@xacegikmoqy
+0@[ab][cd][ef][gh][ij][kl][mn][op][q]@xacegikmoqy
+0@abc@xabcy
+0@aBc@Abc@TO CORRECT
+0@a[Bc]*d@abBCcd@TO CORRECT
+0@0[[:upper:]]1@0a1@TO CORRECT
+0@0[[:lower:]]1@0A1@TO CORRECT
+1@a[^b]c@abc
+1@a[^b]c@aBc@TO CORRECT
+0@a[^b]c@adc
+0@[a]b[c]@abc
+0@[a]b[a]@aba
+0@[abc]b[abc]@abc
+0@[abc]b[abd]@abd
+0@a(b?c)+d@accd
+0@(wee|week)(knights|night)@weeknights
+0@(we|wee|week|frob)(knights|night|day)@weeknights
+0@a[bc]d@xyzaaabcaababdacd
+0@a[ab]c@aaabc
+0@a*@b
+0@/\*.*\*/@/*x*/
+0@/\*.*\*/@/*x*/y/*z*/
+0@/\*([^*]|\*[^/])*\*/@/*x*/
+0@/\*([^*]|\*[^/])*\*/@/*x*/y/*z*/
+0@/\*([^*]|\*[^/])*\*/@/*x**/y/*z*/
+0@/\*([^*]|\*+[^*/])*\*+/@/*x*/
+0@/\*([^*]|\*+[^*/])*\*+/@/*x*/y/*z*/
+0@/\*([^*]|\*+[^*/])*\*+/@/*x**/y/*z*/
+0@/\*([^*]|\*+[^*/])*\*+/@/*x****/y/*z*/
+0@/\*([^*]|\*+[^*/])*\*+/@/*x**x*/y/*z*/
+0@/\*([^*]|\*+[^*/])*\*+/@/*x***x/y/*z*/
+0@aZb@a@TO CORRECT
+0@[[:<:]]a@a@TO CORRECT
+1@[[:<:]]a@ba@TO CORRECT
+0@[[:<:]]a@-a@TO CORRECT
+0@a[[:>:]]@a@TO CORRECT
+1@a[[:>:]]@ab@TO CORRECT
+0@a[[:>:]]@a-@TO CORRECT
+0@[[:<:]]a.c[[:>:]]@axcd-dayc-dazce-abc@TO CORRECT
+0@[[:<:]]a.c[[:>:]]@axcd-dayc-dazce-abc-q@TO CORRECT
+0@[[:<:]]a.c[[:>:]]@axc-dayc-dazce-abc@TO CORRECT
+0@[[:<:]]b.c[[:>:]]@a_bxc-byc_d-bzc-q@TO CORRECT
+0@[[:<:]].x..[[:>:]]@y_xa_-_xb_y-_xc_-axdc@TO CORRECT
+1@[[:<:]]a_b[[:>:]]@x_a_b@TO CORRECT
+0@(A[1])|(A[2])|(A[3])|(A[4])|(A[5])|(A[6])|(A[7])|(A[8])|(A[9])|(A[A])@A1
+0@abcdefghijklmnop@abcdefghijklmnop
+0@abcdefghijklmnopqrstuv@abcdefghijklmnopqrstuv
+0@CC[13]1|a{21}[23][EO][123][Es][12]a{15}aa[34][EW]aaaaaaa[X]a@CC11
+0@a?b@ab
+2@b{1000000000}@ESIZE
+0@)@)
+1@)@x
+0@\()\((a\())(b))@()(a()b)
diff --git a/tests/euc-mb b/tests/euc-mb
new file mode 100755
index 0000000..b625046
--- /dev/null
+++ b/tests/euc-mb
@@ -0,0 +1,48 @@
+#!/bin/sh
+# test that matches starting in the middle of a multibyte char aren't rejected
+# too greedily.
+# Derived from https://savannah.gnu.org/bugs/?23814
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+# Add "." to PATH for the use of get-mb-cur-max.
+path_prepend_ .
+
+require_compiled_in_MB_support
+
+locale=ja_JP.EUC-JP
+
+make_input () {
+  echo "$1" | tr AB '\244\263'
+}
+
+euc_grep () {
+  pat=$(make_input "$1")
+  LC_ALL=$locale grep "$pat"
+}
+
+case $(get-mb-cur-max $locale) in
+  2|3) ;;
+  *) skip_ 'EUC-JP locale not found' ;;
+esac
+
+fail=0
+
+# Does EUC-JP work at all?
+make_input BABA |euc_grep AB && fail=1
+
+# Here are two cases in which a KWSet search matches in the middle
+# of a multibyte character.  The first ensures that the DFA matcher
+# finds the real match at the end of line.  The second ensures that
+# while the KWSet match found a false positive, the DFA matcher
+# determines there is no match after all.
+make_input BABAAB |euc_grep AB > out || fail=1
+make_input BABAAB > exp || framework_failure_
+compare exp out || fail=1
+make_input BABABA |euc_grep AB; test $? = 1 || fail=1
+make_input BABABA |euc_grep '^x\|AB'; test $? = 1 || fail=1
+
+# -P supports only unibyte and UTF-8 locales.
+LC_ALL=$locale grep -P x /dev/null
+test $? = 2 || fail=1
+
+Exit $fail
diff --git a/tests/fedora b/tests/fedora
new file mode 100755
index 0000000..e7e7463
--- /dev/null
+++ b/tests/fedora
@@ -0,0 +1,105 @@
+#!/bin/sh
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+# GREP Regression test suite for Fedora bugs and fixes
+# (c) 2008 Lubomir Rintel
+# Licensed under the same terms as GNU Grep itself
+
+if [ -t 1 ]
+then
+        # Colored output on terminal
+        G='\033[32m'
+        R='\033[31m'
+        D='\033[0m'
+fi
+
+ok ()	{ printf "${G}OK${D}"; }
+fail () { printf "${R}FAIL${D} (See ${U})"; failures=1; }
+
+U=https://bugzilla.redhat.com/show_bug.cgi?id=116909
+printf "fgrep false negatives: "
+cat > 116909.list <<EOF
+a
+b
+c
+EOF
+cat > 116909.in <<EOF
+a
+barn
+c
+EOF
+cat > 116909.out <<EOF
+a
+c
+EOF
+grep -F -w -f 116909.list 116909.in > actual || fail
+compare 116909.out actual && ok || fail
+
+U=https://bugzilla.redhat.com/show_bug.cgi?id=123362
+printf 'bad handling of brackets in UTF-8: '
+echo Y > 123362.out
+echo Y | LC_ALL=de_DE.UTF-8 grep -i '[y,Y]' > actual || fail
+compare 123362.out actual && ok || fail
+
+U=https://bugzilla.redhat.com/show_bug.cgi?id=112869
+printf 'crash with \\W: '
+echo '<form>' > 112869.out
+LANG=it_IT grep -iE '\Wform\W' 112869.out > actual || fail
+compare 112869.out actual && ok || fail
+
+if ( timeout --version ) > /dev/null 2>&1; then
+
+  U=https://bugzilla.redhat.com/show_bug.cgi?id=189580
+  printf 'grep -D skip opening a special file: '
+  timeout 10 grep -D skip foo /dev/zero
+  test $? = 124 && fail || ok
+
+  U=https://bugzilla.redhat.com/show_bug.cgi?id=169524
+  printf 'grep -Fw looping infinitely: '
+  echo foobar | timeout 10 grep -Fw ""
+  test $? = 124 && fail || ok
+
+  U=https://bugzilla.redhat.com/show_bug.cgi?id=140781
+  printf 'fgrep hangs on binary files: '
+  timeout 10 grep -F grep "$abs_top_builddir/src/grep" >/dev/null
+  test $? = 124 && fail || ok
+
+fi
+
+U=https://bugzilla.redhat.com/show_bug.cgi?id=161700
+printf 'grep -Fw fails to match anything: '
+echo test > 161700.out
+grep -Fw test 161700.out > actual || fail
+compare 161700.out actual && ok || fail
+
+U=https://bugzilla.redhat.com/show_bug.cgi?id=179698
+printf 'grep -w broken in non-utf8 multibyte locales: '
+echo za a > 179698.out
+LANG=ja_JP.eucjp grep -w a 179698.out > actual || fail
+compare 179698.out actual && ok || fail
+
+# Skip the rest of tests in compiled without PCRE
+echo a |grep -P a >/dev/null || Exit $failures
+
+U=https://bugzilla.redhat.com/show_bug.cgi?id=171379
+printf 'grep -P crashes on whitespace lines: '
+echo '   ' > 171379.out
+grep -P '^\s+$' 171379.out > actual || fail
+compare 171379.out actual && ok || fail
+
+U=https://bugzilla.redhat.com/show_bug.cgi?id=204255
+printf '%s' "-e '' does not work if not a first parameter: "
+echo test | grep -e 'HighlightThis' -e '' > 204255.first
+echo test | grep -e '' -e 'HighlightThis' > 204255.second
+diff 204255.first 204255.second && ok || fail
+
+U=https://bugzilla.redhat.com/show_bug.cgi?id=324781
+printf 'bad handling of line breaks with grep -P #1: '
+printf 'a\na' | grep -P '[^a]' >/dev/null && fail || ok
+
+# This is mostly a check that fix for above doesn't break -P further
+printf '%s' "bad handling of line breaks with grep -P #2: "
+printf 'a\na' | grep -P '[^b].[^b]' >/dev/null && fail || ok
+
+Exit $failures
diff --git a/tests/fgrep-infloop b/tests/fgrep-infloop
new file mode 100755
index 0000000..015ec74
--- /dev/null
+++ b/tests/fgrep-infloop
@@ -0,0 +1,27 @@
+#!/bin/sh
+# This would infloop for grep-2.6.1
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_timeout_
+require_compiled_in_MB_support
+
+encode() { echo "$1" | tr ABC '\357\274\241'; }
+
+encode ABC > in || framework_failure_
+fail=0
+
+for LOC in en_US.UTF-8 $LOCALE_FR_UTF8; do
+  out=out1-$LOC
+  LC_ALL=$LOC timeout 10s grep -F "$(encode BC)" in > $out
+  status=$?
+  if test $status -eq 0; then
+    compare in $out
+  elif test $status -eq 1; then
+    compare_dev_null_ /dev/null $out
+  else
+    test $status -eq 2
+  fi || fail=1
+done
+
+Exit $fail
diff --git a/tests/file b/tests/file
new file mode 100755
index 0000000..11de7e4
--- /dev/null
+++ b/tests/file
@@ -0,0 +1,63 @@
+#! /bin/sh
+# Test for POSIX options for grep:
+# grep -E -f pattern_file file
+# grep -F -f pattern_file file
+# grep -G -f pattern_file file
+#
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+cat <<EOF >patfile
+radar
+MILES
+GNU
+EOF
+
+# match
+echo "miles" |  grep -i -E -f patfile > /dev/null 2>&1
+if test $? -ne 0 ; then
+        echo "File_pattern: Wrong status code, test \#1 failed"
+        fail=1
+fi
+
+# match
+echo "GNU" | grep -G -f patfile  > /dev/null 2>&1
+if test $? -ne 0 ; then
+        echo "File_pattern: Wrong status code, test \#2 failed"
+        fail=1
+fi
+
+# checking for no match
+echo "ridar" | grep -F -f patfile > /dev/null 2>&1
+if test $? -ne 1 ; then
+        echo "File_pattern: Wrong status code, test \#3 failed"
+        fail=1
+fi
+
+cat <<EOF >patfile
+
+EOF
+# empty pattern : every match
+echo "abbcd" | grep -F -f patfile > /dev/null 2>&1
+if test $? -ne 0 ; then
+        echo "File_pattern: Wrong status code, test \#4 failed"
+        fail=1
+fi
+
+cp /dev/null patfile
+
+# null pattern : no match
+echo "abbcd" | grep -F -f patfile > /dev/null 2>&1
+if test $? -ne 1 ; then
+        echo "File_pattern: Wrong status code, test \#5 failed"
+        fail=1
+fi
+
+Exit $fail
diff --git a/tests/fmbtest b/tests/fmbtest
new file mode 100755
index 0000000..6f60f03
--- /dev/null
+++ b/tests/fmbtest
@@ -0,0 +1,130 @@
+#! /bin/sh
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+cz=cs_CZ.UTF-8
+
+# If cs_CZ.UTF-8 locale doesn't work, skip this test.
+LC_ALL=$cz locale -k LC_CTYPE 2>/dev/null | grep -q charmap.*UTF-8 \
+  || skip_ this system lacks the $cz locale
+
+# If matching is done in single-byte mode, skip this test too
+printf 'é\n' | LC_ALL=$cz grep -Eq '^[é]{2}$'
+case $? in
+  0) skip_ "built without multi-byte support";;
+  1) ;;
+  *) fail_ "unexpected exit status: $?";;
+esac
+
+failures=0
+
+cat > csinput <<EOF
+01 Žluťoučká číše
+ČíŠE 02
+03 Z číší Čiší cosi
+04 Čí
+Še 05
+06 ČČČČČČČíšČÍŠčíš
+07 ČČČ ČČČČíšČÍŠčíšEEEE
+čAs 08
+09Čapka
+10ČaSy se měnÍ
+ČÍšE11
+Čas12
+𝇕ČÍšE𝇓13
+ŽČÍšE𝇓14
+𝇕ČÍšEŽ15
+ŽČÍšEŽ16
+ČÍšE𝇓17
+ČÍšEŽ18
+19𝇕ČÍše
+20ŽČÍše
+EOF
+cat > cspatfile <<EOF
+ČÍšE
+Čas
+EOF
+
+for mode in F G E; do
+
+test1=$(echo $(LC_ALL=$cz; export LC_ALL
+               grep -${mode} -f cspatfile csinput |
+                 sed 's/[^0123456789]/ /g'))
+if test "$test1" != "11 12 13 14 15 16 17 18"; then
+  echo "Test #1 ${mode} failed: $test1"
+  failures=1
+fi
+
+test2=$(echo $(LC_ALL=$cz; export LC_ALL
+               grep -${mode}i -f cspatfile csinput |
+                 sed 's/[^0123456789]/ /g'))
+if test "$test2" != "01 02 07 08 10 11 12 13 14 15 16 17 18 19 20"; then
+  echo "Test #2 ${mode} failed: $test2"
+  failures=1
+fi
+
+test3=$(echo $(LC_ALL=$cz; export LC_ALL
+               grep -${mode}i -e 'ČÍšE' -e 'Čas' csinput |
+                 sed 's/[^0123456789]/ /g'))
+if test "$test3" != "01 02 07 08 10 11 12 13 14 15 16 17 18 19 20"; then
+  echo "Test #3 ${mode} failed: $test3"
+  failures=1
+fi
+
+# Skip the next test - known to fail. TAA.
+#test4=$(echo $(LC_ALL=$cz; export LC_ALL
+#               grep -${mode}iw -f cspatfile csinput |
+#                 sed 's/[^0123456789]/ /g'))
+#if test "$test4" != "01 02 08 13 17 19"; then
+#  echo "Test #4 ${mode} failed: $test4"
+#  failures=1
+#fi
+
+# Test that --color=always does not depend on individual pattern order
+# within the pattern list, and that a longer match is preferred to a
+# shorter one starting at the same point.
+test6="$(echo 'Cosi tu ČišÍ...' \
+  | LC_ALL=$cz grep --color=always -${mode}i -e 'čiš' -e 'čiší')"
+if echo "$test6" \
+  | LC_ALL=C grep -q 'Cosi tu .*\[.*m\(.\[K\)\?ČišÍ.*\[.*m\(.\[K\)\?\.\.\.'; \
+then
+  :
+else
+  echo "Test #6 ${mode} failed: $test6"
+  failures=1
+fi
+
+# Test that --color=always does not depend on individual pattern order
+# within the pattern list, and that a longer match is preferred to a
+# shorter one starting at the same point.
+test7="$(echo 'Cosi tu ČišÍ...' \
+  | LC_ALL=$cz grep --color=always -${mode}i -e 'čiší' -e 'čiš')"
+if echo "$test7" \
+  | LC_ALL=C grep -q 'Cosi tu .*\[.*m\(.\[K\)\?ČišÍ.*\[.*m\(.\[K\)\?\.\.\.'; \
+then
+  :
+else
+  echo "Test #7 ${mode} failed: $test7"
+  failures=1
+fi
+
+done
+
+for mode in G E; do
+
+test8=$(echo $(LC_ALL=$cz; export LC_ALL
+               grep -${mode}i -e 'Č.šE' -e 'Č[a-f]s' csinput |
+                 sed 's/[^0123456789]/ /g'))
+if test "$test8" != "01 02 07 08 10 11 12 13 14 15 16 17 18 19 20"; then
+  echo "Test #8 ${mode} failed: $test8"
+  failures=1
+fi
+
+done
+
+Exit $failures
diff --git a/tests/foad1 b/tests/foad1
new file mode 100755
index 0000000..9417381
--- /dev/null
+++ b/tests/foad1
@@ -0,0 +1,204 @@
+#! /bin/sh
+# Test various combinations of command-line options.
+#
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+#
+# This set of tests was started by Julian Foad.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+failures=0
+
+# grep_test INPUT EXPECTED_OUTPUT PATTERN_AND_OPTIONS...
+# Run "grep" with the given INPUT, pattern and options, and check that
+# the output is EXPECTED_OUTPUT.  If not, print a message and set 'failures'.
+# "/" represents a newline within INPUT and EXPECTED_OUTPUT.
+grep_test ()
+{
+  INPUT="$1"
+  EXPECT="$2"
+  shift 2
+  OUTPUT=$(printf %s "$INPUT" | tr "/" "\n" | grep "$@" | tr "\n" "/")
+  if test "$OUTPUT" != "$EXPECT" || test "$VERBOSE" = "yes"; then
+    echo "Testing:  grep $@"
+    test "$LC_ALL" != C && test "$LC_ALL" != "" && echo "  LC_ALL: \"$LC_ALL\""
+    echo "  input:  \"$INPUT\""
+    echo "  output: \"$OUTPUT\""
+  fi
+  if test "$OUTPUT" != "$EXPECT"; then
+    echo "  expect: \"$EXPECT\""
+    echo "FAIL"
+    failures=1
+  fi
+}
+
+
+# Test "--only-matching" ("-o") option
+
+# "-o" with "-i" should output an exact copy of the matching input text.
+grep_test "WordA/wordB/WORDC/" "Word/word/WORD/" "word" -o -i
+grep_test "WordA/wordB/WORDC/" "Word/word/WORD/" "Word" -o -i
+grep_test "WordA/wordB/WORDC/" "Word/word/WORD/" "WORD" -o -i
+
+# Should display the line number (-n), octet offset (-b), or file name
+# (-H) of every match, not just of the first match on each input line.
+# Check it both with and without -i because of the separate code paths.
+# Also check what it does when lines of context are specified.
+grep_test "wA wB/wC/" "1:wA/1:wB/2:wC/" "w." -o -n
+grep_test "wA wB/wC/" "1:wA/1:wB/2:wC/" "w." -o -n -i
+grep_test "wA wB/wC/" "1:wA/1:wB/2:wC/" "w." -o -n -3 2>/dev/null
+grep_test "XwA YwB/ZwC/" "1:wA/5:wB/9:wC/" "w." -o -b
+grep_test "XwA YwB/ZwC/" "1:wA/5:wB/9:wC/" "w." -o -b -i
+grep_test "XwA YwB/ZwC/" "1:wA/5:wB/9:wC/" "w." -o -b -3 2>/dev/null
+grep_test "XwA YwB/ZwC/" "1:w/5:w/9:w/" "w" -F -o -b
+grep_test "XwA YwB/ZwC/" "1:w/5:w/9:w/" "w" -F -o -b -i
+grep_test "XwA YwB/ZwC/" "1:w/5:w/9:w/" "w" -F -o -b -3 2>/dev/null
+grep_test "wA wB/" "(standard input):wA/(standard input):wB/" "w." -o -H
+grep_test "wA wB/" "(standard input):wA/(standard input):wB/" "w." -o -H -i
+grep_test "wA wB/" "(standard input):wA/(standard input):wB/" "w." -o -H -3 2>/dev/null
+
+# Combination of -h and -H
+grep_test "wA wB/" "wA wB/" "w."
+grep_test "wA wB/" "wA wB/" "w." -h
+grep_test "wA wB/" "wA wB/" "w." -H -h
+grep_test "wA wB/" "(standard input):wA wB/" "w." -H
+grep_test "wA wB/" "(standard input):wA wB/" "w." -h -H
+
+# End of a previous match should not match a "start of ..." expression.
+grep_test "word_word/" "word_/" "^word_*" -o
+grep_test "wordword/" "word/" "\<word" -o
+
+
+# Test "--color" option
+
+CB=""
+CE=""
+
+# "--color" with "-i" should output an exact copy of the matching input text.
+grep_test "WordA/wordb/WORDC/" "${CB}Word${CE}A/${CB}word${CE}b/${CB}WORD${CE}C/" "word" --color=always -i
+grep_test "WordA/wordb/WORDC/" "${CB}Word${CE}A/${CB}word${CE}b/${CB}WORD${CE}C/" "Word" --color=always -i
+grep_test "WordA/wordb/WORDC/" "${CB}Word${CE}A/${CB}word${CE}b/${CB}WORD${CE}C/" "WORD" --color=always -i
+
+# End of a previous match should not match a "start of ..." expression.
+grep_test "word_word/" "${CB}word_${CE}word/" "^word_*" --color=always
+grep_test "wordword/" "${CB}word${CE}word/" "\<word" --color=always
+
+
+# Test combination of "-m" with "-A" and anchors.
+# Based on a report from Pavol Gono.
+grep_test "4/40/"  "4/40/"  "^4$" -m1 -A99
+grep_test "4/04/"  "4/04/"  "^4$" -m1 -A99
+grep_test "4/444/" "4/444/" "^4$" -m1 -A99
+grep_test "4/40/"  "4/"     "^4"  -m1 -A99
+grep_test "4/04/"  "4/04/"  "^4"  -m1 -A99
+grep_test "4/444/" "4/"     "^4"  -m1 -A99
+grep_test "4/40/"  "4/40/"  "4$"  -m1 -A99
+grep_test "4/04/"  "4/"     "4$"  -m1 -A99
+grep_test "4/444/" "4/"     "4$"  -m1 -A99
+
+
+# Test for "-F -w" bugs.  Thanks to Gordon Lack for these two.
+grep_test "A/CX/B/C/" "A/B/C/" -wF -e A -e B -e C
+grep_test "LIN7C 55327/" "" -wF -e 5327 -e 5532
+
+# Test for non-empty matches following empty ones.
+grep_test 'xyz/' 'y/' -o 'y*'
+grep_test 'xyz/' "x${CB}y${CE}z/" --color=always 'y*'
+
+# Test for increasing/decreasing-length word matches,
+# for independence from pattern order within the pattern list,
+# and for preferring the longest match at a given position.
+x0='a bb ccc dddd/'
+x1='dddd ccc bb a/'
+x2='bcd abcd abc bc bcd abc/'
+x3='bc abcd bc/'
+y0="a ${CB}bb${CE} ${CB}ccc${CE} dddd/"
+y1="dddd ${CB}ccc${CE} ${CB}bb${CE} a/"
+y2="bcd abcd abc ${CB}bc${CE} bcd abc/"
+y3="${CB}bc${CE} abcd ${CB}bc${CE}/"
+grep_test "$x0" "$y0" -E --color=always -e bb -e cc -e ccc
+grep_test "$x0" "$y0" -F --color=always -e bb -e cc -e ccc
+grep_test "$x0" "$y0" -E --color=always -e bb -e ccc -e cc
+grep_test "$x0" "$y0" -F --color=always -e bb -e ccc -e cc
+grep_test "$x0" "$y0" -E -w --color=always -e bb -e ccc
+grep_test "$x0" "$y0" -F -w --color=always -e bb -e ccc
+grep_test "$x0" "$y0" -E -w --color=always -e ccc -e bb
+grep_test "$x0" "$y0" -F -w --color=always -e ccc -e bb
+grep_test "$x1" "$y1" -E -w --color=always -e bb -e ccc
+grep_test "$x1" "$y1" -F -w --color=always -e bb -e ccc
+grep_test "$x1" "$y1" -E -w --color=always -e ccc -e bb
+grep_test "$x1" "$y1" -F -w --color=always -e ccc -e bb
+grep_test "$x2" "$y2" -E -w --color=always bc
+grep_test "$x2" "$y2" -F -w --color=always bc
+grep_test "$x3" "$y3" -E -w --color=always bc
+grep_test "$x3" "$y3" -F -w --color=always bc
+
+# Skip the rest of the tests - known to fail. TAA.
+Exit $failures
+
+# The rest of this file is meant to be executed under this locale.
+LC_ALL=cs_CZ.UTF-8; export LC_ALL
+# If the UTF-8 locale doesn't work, skip these tests silently.
+locale -k LC_CTYPE 2>/dev/null | grep -q "charmap.*UTF-8" || Exit $failures
+
+# Test character class erroneously matching a '[' character.
+grep_test "[/" "" "[[:alpha:]]" -E
+
+for mode in F G E; do
+  # Hint:  pipe the output of these tests in
+  #        "| LESS= LESSCHARSET=ascii less".
+  # LETTER N WITH TILDE is U+00F1 and U+00D1.
+  # LETTER Y WITH DIAERESIS is U+00FF and U+0178.
+  grep_test 'añÿb/AÑŸB/' 'ñÿ/ÑŸ/' 'ñÿ' -o -i -$mode
+  grep_test 'añÿb/AÑŸB/' 'ñÿ/ÑŸ/' 'ÑŸ' -o -i -$mode
+  grep_test 'añÿb/AÑŸB/' "a${CB}ñÿ${CE}b/A${CB}ÑŸ${CE}B/" 'ñÿ' --color=always -i -$mode
+  grep_test 'añÿb/AÑŸB/' "a${CB}ñÿ${CE}b/A${CB}ÑŸ${CE}B/" 'ÑŸ' --color=always -i -$mode
+
+  # POSIX (about -i):  ... each character in the string is matched
+  # against the pattern, not only the character, but also its case
+  # counterpart (if any), shall be matched.
+  # The following were chosen because of their trickiness due to the
+  # differing UTF-8 octet length of their counterpart and to the
+  # non-reflexivity of their mapping.
+  # Beware of homographs!  Look carefully at the actual octets.
+
+  # lc(U+0130 LATIN CAPITAL LETTER I WITH DOT ABOVE) = U+0069 LATIN SMALL LETTER I
+  grep_test 'aİb/' "a${CB}İ${CE}b/" 'i' --color=always -i -$mode
+  grep_test 'aib/' ''               'İ' --color=always -i -$mode
+  grep_test 'aİb/' ''               'I' --color=always -i -$mode
+  # uc(U+0131 LATIN SMALL LETTER DOTLESS I)          = U+0049 LATIN CAPITAL LETTER I
+  grep_test 'aıb/' "a${CB}ı${CE}b/" 'I' --color=always -i -$mode
+  grep_test 'aIb/' ''               'ı' --color=always -i -$mode
+  grep_test 'aıb/' ''               'i' --color=always -i -$mode
+  # uc(U+017F LATIN SMALL LETTER LONG S)             = U+0053 LATIN CAPITAL LETTER S
+  grep_test 'aſb/' "a${CB}ſ${CE}b/" 'S' --color=always -i -$mode
+  grep_test 'aSb/' ''               'ſ' --color=always -i -$mode
+  grep_test 'aſb/' ''               's' --color=always -i -$mode
+  # uc(U+1FBE GREEK PROSGEGRAMMENI)                  = U+0399 GREEK CAPITAL LETTER IOTA
+  grep_test 'aιb/' "a${CB}ι${CE}b/" 'Ι' --color=always -i -$mode
+  grep_test 'aΙb/' ''               'ι' --color=always -i -$mode
+  grep_test 'aιb/' ''               'ι' --color=always -i -$mode
+  # lc(U+2126 OHM SIGN)                              = U+03C9 GREEK SMALL LETTER OMEGA
+  grep_test 'aΩb/' "a${CB}Ω${CE}b/" 'ω' --color=always -i -$mode
+  grep_test 'aωb/' ''               'Ω' --color=always -i -$mode
+  grep_test 'aΩb/' ''               'Ω' --color=always -i -$mode
+  # lc(U+212A KELVIN SIGN)                           = U+006B LATIN SMALL LETTER K
+  grep_test 'aKb/' "a${CB}K${CE}b/" 'k' --color=always -i -$mode
+  grep_test 'akb/' ''               'K' --color=always -i -$mode
+  grep_test 'aKb/' ''               'K' --color=always -i -$mode
+  # lc(U+212B ANGSTROM SIGN)                         = U+00E5 LATIN SMALL LETTER A WITH RING ABOVE
+  grep_test 'aÅb/' "a${CB}Å${CE}b/" 'å' --color=always -i -$mode
+  grep_test 'aåb/' ''               'Å' --color=always -i -$mode
+  grep_test 'aÅb/' ''               'Å' --color=always -i -$mode
+done
+
+
+# Any tests inserted right here will be performed under an UTF-8 locale.
+# Insert them before LC_ALL is set above to avoid this.
+# Leave this comment last.
+
+Exit $failures
diff --git a/tests/get-mb-cur-max.c b/tests/get-mb-cur-max.c
new file mode 100644
index 0000000..403beb4
--- /dev/null
+++ b/tests/get-mb-cur-max.c
@@ -0,0 +1,37 @@
+/* Auxiliary program to detect support for a locale.
+   Copyright 2010-2016 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+#include <config.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "progname.h"
+
+int
+main (int argc, char **argv)
+{
+  set_program_name (argv[0]);
+  if (1 < argc && setlocale (LC_ALL, argv[1]))
+    {
+      printf ("%d\n", (int) MB_CUR_MAX);
+      exit (EXIT_SUCCESS);
+    }
+
+  exit (EXIT_FAILURE);
+}
diff --git a/tests/grep-dev-null b/tests/grep-dev-null
new file mode 100755
index 0000000..e649be0
--- /dev/null
+++ b/tests/grep-dev-null
@@ -0,0 +1,20 @@
+#!/bin/sh
+# Case-insensitive grep with a 0-size input file would fail in grep up to 2.6.3
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+
+LC_ALL=en_US.UTF-8
+export LC_ALL
+
+echo x | grep -f /dev/null; test $? = 1 || fail=1
+echo x | grep -if /dev/null; test $? = 1 || fail=1
+echo x | grep -Ff /dev/null; test $? = 1 || fail=1
+echo x | grep -Fif /dev/null; test $? = 1 || fail=1
+
+grep -f /dev/null < /dev/null; test $? = 1 || fail=1
+grep -if /dev/null < /dev/null; test $? = 1 || fail=1
+grep -Ff /dev/null < /dev/null; test $? = 1 || fail=1
+grep -Fif /dev/null < /dev/null; test $? = 1 || fail=1
+
+Exit $fail
diff --git a/tests/grep-dir b/tests/grep-dir
new file mode 100755
index 0000000..de14d62
--- /dev/null
+++ b/tests/grep-dir
@@ -0,0 +1,25 @@
+#!/bin/sh
+# Case-insensitive grep with a 0-size input file would fail in grep up to 2.6.3
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+mkdir a || framework_failure
+
+# Lower and upper bound of valid exit status for "grep -f DIR",
+# when reading from empty and nonempty files, respectively.
+if cat a >/dev/null 2>&1; then
+  l=1 u=1 L=0 U=1
+else
+  l=2 u=127 L=2 U=127
+fi
+
+echo x | grep -f a/; { test $? -ge $L && test $? -le $U; } || fail=1
+echo x | grep -if a/; { test $? -ge $L && test $? -le $U; } || fail=1
+echo x | grep -Ff a/; { test $? -ge $L && test $? -le $U; } || fail=1
+echo x | grep -Fif a/; { test $? -ge $L && test $? -le $U; } || fail=1
+
+grep -f a/ < /dev/null; { test $? -ge $l && test $? -le $u; } || fail=1
+grep -if a/ < /dev/null; { test $? -ge $l && test $? -le $u; } || fail=1
+grep -Ff a/ < /dev/null; { test $? -ge $l && test $? -le $u; } || fail=1
+grep -Fif a/ < /dev/null; { test $? -ge $l && test $? -le $u; } || fail=1
+
+Exit $fail
diff --git a/tests/help-version b/tests/help-version
new file mode 100755
index 0000000..9d9b147
--- /dev/null
+++ b/tests/help-version
@@ -0,0 +1,276 @@
+#!/bin/sh
+# Make sure all of these programs work properly
+# when invoked with --help or --version.
+
+# Copyright (C) 2000-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+# Terminate any background processes
+cleanup_() { kill $pid 2>/dev/null && wait $pid; }
+
+expected_failure_status_chroot=125
+expected_failure_status_env=125
+expected_failure_status_nice=125
+expected_failure_status_nohup=125
+expected_failure_status_stdbuf=125
+expected_failure_status_timeout=125
+expected_failure_status_printenv=2
+expected_failure_status_tty=3
+expected_failure_status_sort=2
+expected_failure_status_expr=3
+expected_failure_status_lbracket=2
+expected_failure_status_dir=2
+expected_failure_status_ls=2
+expected_failure_status_vdir=2
+
+expected_failure_status_cmp=2
+expected_failure_status_zcmp=2
+expected_failure_status_sdiff=2
+expected_failure_status_diff3=2
+expected_failure_status_diff=2
+expected_failure_status_zdiff=2
+expected_failure_status_zgrep=2
+expected_failure_status_zegrep=2
+expected_failure_status_zfgrep=2
+
+expected_failure_status_grep=2
+expected_failure_status_egrep=2
+expected_failure_status_fgrep=2
+
+test "$built_programs" \
+  || fail_ "built_programs not specified!?!"
+
+test "$VERSION" \
+  || fail_ "set envvar VERSION; it is required for a PATH sanity-check"
+
+# Extract version from --version output of the first program
+for i in $built_programs; do
+  v=$(env $i --version | sed -n '1s/.* //p;q')
+  break
+done
+
+# Ensure that it matches $VERSION.
+test "x$v" = "x$VERSION" \
+  || fail_ "--version-\$VERSION mismatch"
+
+for lang in C fr da; do
+  for i in $built_programs; do
+
+    # Skip 'test'; it doesn't accept --help or --version.
+    test $i = test && continue
+
+    # false fails even when invoked with --help or --version.
+    # true and false are tested with these options separately.
+    test $i = false || test $i = true && continue
+
+    # The just-built install executable is always named 'ginstall'.
+    test $i = install && i=ginstall
+
+    # Make sure they exit successfully, under normal conditions.
+    env $i --help    > h-$i     || fail=1
+    env $i --version >/dev/null || fail=1
+
+    # Make sure they mention the bug-reporting address in --help output.
+    grep "$PACKAGE_BUGREPORT" h-$i > /dev/null || fail=1
+    rm -f h-$i
+
+    # Make sure they fail upon 'disk full' error.
+    if test -w /dev/full && test -c /dev/full; then
+      test $i = [ && prog=lbracket || prog=$(echo $i|sed "s/$EXEEXT$//")
+      eval "expected=\$expected_failure_status_$prog"
+      test x$expected = x && expected=1
+
+      returns_ $expected env $i --help    >/dev/full 2>/dev/null &&
+      returns_ $expected env $i --version >/dev/full 2>/dev/null ||
+      {
+        fail=1
+        env $i --help >/dev/full 2>/dev/null
+        status=$?
+        echo "*** $i: bad exit status '$status' (expected $expected)," 1>&2
+        echo "  with --help or --version output redirected to /dev/full" 1>&2
+      }
+    fi
+  done
+done
+
+bigZ_in=bigZ-in.Z
+zin=zin.gz
+zin2=zin2.gz
+
+tmp=tmp-$$
+tmp_in=in-$$
+tmp_in2=in2-$$
+tmp_dir=dir-$$
+tmp_out=out-$$
+mkdir $tmp || fail=1
+cd $tmp || fail=1
+
+comm_setup () { args="$tmp_in $tmp_in"; }
+csplit_setup () { args="$tmp_in //"; }
+cut_setup () { args='-f 1'; }
+join_setup () { args="$tmp_in $tmp_in"; }
+tr_setup () { args='a a'; }
+
+chmod_setup () { args="a+x $tmp_in"; }
+# Punt on these.
+chgrp_setup () { args=--version; }
+chown_setup () { args=--version; }
+mkfifo_setup () { args=--version; }
+mknod_setup () { args=--version; }
+# Punt on uptime, since it fails (e.g., failing to get boot time)
+# on some systems, and we shouldn't let that stop 'make check'.
+uptime_setup () { args=--version; }
+
+# Create a file in the current directory, not in $TMPDIR.
+mktemp_setup () { args=mktemp.XXXX; }
+
+cmp_setup () { args="$tmp_in $tmp_in2"; }
+
+# Tell dd not to print the line with transfer rate and total.
+# The transfer rate would vary between runs.
+dd_setup () { args=status=noxfer; }
+
+zdiff_setup () { args="$zin $zin2"; }
+zcmp_setup () { args="$zin $zin2"; }
+zcat_setup () { args=$zin; }
+gunzip_setup () { args=$zin; }
+zmore_setup () { args=$zin; }
+zless_setup () { args=$zin; }
+znew_setup () { args=$bigZ_in; }
+zforce_setup () { args=$zin; }
+zgrep_setup () { args="z $zin"; }
+zegrep_setup () { args="z $zin"; }
+zfgrep_setup () { args="z $zin"; }
+gzexe_setup () { args=$tmp_in; }
+
+# We know that $tmp_in contains a "0"
+grep_setup () { args="0 $tmp_in"; }
+egrep_setup () { args="0 $tmp_in"; }
+fgrep_setup () { args="0 $tmp_in"; }
+
+diff_setup () { args="$tmp_in $tmp_in2"; }
+sdiff_setup () { args="$tmp_in $tmp_in2"; }
+diff3_setup () { args="$tmp_in $tmp_in2 $tmp_in2"; }
+cp_setup () { args="$tmp_in $tmp_in2"; }
+ln_setup () { args="$tmp_in ln-target"; }
+ginstall_setup () { args="$tmp_in $tmp_in2"; }
+mv_setup () { args="$tmp_in $tmp_in2"; }
+mkdir_setup () { args=$tmp_dir/subdir; }
+realpath_setup () { args=$tmp_in; }
+rmdir_setup () { args=$tmp_dir; }
+rm_setup () { args=$tmp_in; }
+shred_setup () { args=$tmp_in; }
+touch_setup () { args=$tmp_in2; }
+truncate_setup () { args="--reference=$tmp_in $tmp_in2"; }
+
+mkid_setup () { printf 'f(){}\ntypedef int t;\n' > f.c; args=. ; }
+lid_setup () { args=; }
+fid_setup () { args=f.c; }
+fnid_setup () { args=; }
+xtokid_setup () { args=; }
+aid_setup () { args=f; }
+eid_setup () { args=--version; }
+gid_setup () { args=f; }
+defid_setup () { args=t; }
+
+basename_setup () { args=$tmp_in; }
+dirname_setup () { args=$tmp_in; }
+expr_setup () { args=foo; }
+
+# Punt, in case GNU 'id' hasn't been installed yet.
+groups_setup () { args=--version; }
+
+pathchk_setup () { args=$tmp_in; }
+yes_setup () { args=--version; }
+logname_setup () { args=--version; }
+nohup_setup () { args=--version; }
+printf_setup () { args=foo; }
+seq_setup () { args=10; }
+sleep_setup () { args=0; }
+stdbuf_setup () { args="-oL true"; }
+timeout_setup () { args=--version; }
+
+# I'd rather not run sync, since it spins up disks that I've
+# deliberately caused to spin down (but not unmounted).
+sync_setup () { args=--version; }
+
+test_setup () { args=foo; }
+
+# This is necessary in the unusual event that there is
+# no valid entry in /etc/mtab.
+df_setup () { args=/; }
+
+# This is necessary in the unusual event that getpwuid (getuid ()) fails.
+id_setup () { args=-u; }
+
+# Use env to avoid invoking built-in sleep of Solaris 11's /bin/sh.
+kill_setup () {
+  external=env
+  $external sleep 10m & pid=$!
+  args=$pid
+}
+
+link_setup () { args="$tmp_in link-target"; }
+unlink_setup () { args=$tmp_in; }
+
+readlink_setup () {
+  ln -s . slink
+  args=slink;
+}
+
+stat_setup () { args=$tmp_in; }
+unlink_setup () { args=$tmp_in; }
+lbracket_setup () { args=": ]"; }
+
+parted_setup () { args="-s $tmp_in mklabel gpt"
+  dd if=/dev/null of=$tmp_in seek=2000; }
+
+# Ensure that each program "works" (exits successfully) when doing
+# something more than --help or --version.
+for i in $built_programs; do
+  # Skip these.
+  case $i in chroot|stty|tty|false|chcon|runcon|coreutils) continue;; esac
+
+  rm -rf $tmp_in $tmp_in2 $tmp_dir $tmp_out $bigZ_in $zin $zin2
+  echo z |gzip > $zin
+  cp $zin $zin2
+  cp $zin $bigZ_in
+
+  # This is sort of kludgey: use numbers so this is valid input for factor,
+  # and two tokens so it's valid input for tsort.
+  echo 2147483647 0 > $tmp_in
+  # Make $tmp_in2 identical. Then, using $tmp_in and $tmp_in2 as arguments
+  # to the likes of cmp and diff makes them exit successfully.
+  cp $tmp_in $tmp_in2
+  mkdir $tmp_dir
+  # echo ================== $i
+  test $i = [ && prog=lbracket || prog=$(echo $i|sed "s/$EXEEXT$//")
+  if type ${prog}_setup > /dev/null 2>&1; then
+    ${prog}_setup
+  else
+    args=
+  fi
+  if env $i $args < $tmp_in > $tmp_out; then
+    : # ok
+  else
+    echo FAIL: $i
+    fail=1
+  fi
+  rm -rf $tmp_in $tmp_in2 $tmp_out $tmp_dir
+done
+
+Exit $fail
diff --git a/tests/high-bit-range b/tests/high-bit-range
new file mode 100755
index 0000000..e414c93
--- /dev/null
+++ b/tests/high-bit-range
@@ -0,0 +1,28 @@
+#!/bin/sh
+# Exercise high-bit-set unibyte-in-[...]-range bug.
+
+# Copyright (C) 2011-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+printf '\201\n' > in || framework_failure_
+grep -a "$(printf '[\201]')" in > out || fail=1
+
+compare out in || fail=1
+
+Exit $fail
diff --git a/tests/in-eq-out-infloop b/tests/in-eq-out-infloop
new file mode 100755
index 0000000..1742825
--- /dev/null
+++ b/tests/in-eq-out-infloop
@@ -0,0 +1,39 @@
+#!/bin/sh
+# Demonstrate the disk-filling infloop when redirecting to an input file.
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_timeout_
+
+# Use an input file large enough that the problem is reproducible in spite
+# of buffering effects.  Just larger than 256KB should be adequate.
+v=$(printf %063d 0)'
+'
+# 64 * 2^12 = 256k
+for i in 1 2 3 4 5 6 7 8 9 10 11 12; do
+  v="$v$v"
+done
+
+echo "$v" > out || framework_failure_
+
+for arg in out - ''; do
+  # Accommodate both 'out' and '(standard input)', as well as
+  # the multi-byte quoting we see on OS/X-based systems.
+  echo grep: input file ... is also the output > err.exp || framework_failure_
+
+  # Require an exit status of 2.
+  # grep-2.8 and earlier would infloop with $arg = out.
+  # grep-2.10 and earlier would infloop with $arg = - or $arg = ''.
+  timeout 10 grep 0 $arg < out >> out 2> err; st=$?; test $st = 2 || fail=1
+  sed 's/file .* is/file ... is/' err > k && mv k err
+  compare err.exp err || fail=1
+
+  # But with each of the following options it must not exit-2.
+  for i in -q -m1 -l -L; do
+    timeout 10 grep $i 0 $arg < out >> out 2> err; st=$?
+    test $st = 2 && fail=1
+  done
+
+  timeout 10 grep -2 0 $arg < out >> out 2> err; st=$?
+  test $st = 2 || fail=1
+done
+
+Exit $fail
diff --git a/tests/include-exclude b/tests/include-exclude
new file mode 100755
index 0000000..c3d22a1
--- /dev/null
+++ b/tests/include-exclude
@@ -0,0 +1,76 @@
+#!/bin/sh
+# Use of any --include or --exclude* option would segfault in 2.6 and 2.6.1
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+mkdir -p x/dir || framework_failure_
+echo aaa > x/a || framework_failure_
+echo bbb > x/b || framework_failure_
+echo ddd > x/dir/d || framework_failure_
+
+printf '%s\n' x/b:bbb x/dir/d:ddd > exp-not-a   || framework_failure_
+printf '%s\n'         x/dir/d:ddd > exp-not-ab  || framework_failure_
+printf '%s\n' x/a:aaa x/b:bbb     > exp-not-d   || framework_failure_
+printf '%s\n' x/a:aaa x/b:bbb     > exp-not-dir || framework_failure_
+printf '%s\n' x/a:aaa             > exp-a       || framework_failure_
+printf '%s\n' a:aaa               > exp-aa      || framework_failure_
+printf '%s\n' aaa                 > exp-aaa     || framework_failure_
+printf '%s\n' ./x/a ./x/b ./x/dir/d | sort > exp-dotnames || framework_failure_
+
+grep -r --exclude='a*'    . x > out || fail=1
+sort out > k && mv k out
+compare exp-not-a out || fail=1
+
+grep -r --exclude='Rumpelstiltskin' --include='a*' --exclude='a*' . x > out ||
+  fail=1
+sort out > k && mv k out
+compare exp-not-a out || fail=1
+
+grep -r --exclude='[ab]'  . x > out || fail=1
+sort out > k && mv k out
+compare exp-not-ab out || fail=1
+
+grep -r --exclude='*d'    . x > out || fail=1
+sort out > k && mv k out
+compare exp-not-d out || fail=1
+
+grep -r --exclude-dir=dir . x > out || fail=1
+sort out > k && mv k out
+compare exp-not-dir out || fail=1
+
+grep -r --exclude-dir=dir/ . x > out || fail=1
+sort out > k && mv k out
+compare exp-not-dir out || fail=1
+
+# Test with a non-glob.
+grep -r --include=a    . x > out || fail=1
+# no need to sort
+compare exp-a out || fail=1
+
+# Also test --include with a "glob".
+grep -r --include='a*'    . x > out || fail=1
+# no need to sort
+compare exp-a out || fail=1
+
+# --include (without --recursive) uses different code
+grep --directories=skip --include=x/a --exclude-dir=dir '^aaa$' x/* > out \
+    || fail=1
+compare exp-a out || fail=1
+
+(cd x && grep -r --exclude-dir=. '^aaa$') > out || fail=1
+compare exp-aa out || fail=1
+
+grep --exclude=- '^aaa$' - < x/a > out || fail=1
+compare exp-aaa out || fail=1
+
+for exclude in 'x' 'x*'; do
+    grep -rl --exclude-dir="$exclude" . x > out
+    test $? -eq 1 || fail=1
+    compare /dev/null out || fail=1
+done
+
+for exclude in 'x' 'x*' './x' './x*'; do
+    grep -rl --exclude-dir="$exclude" . ./x | sort > out || fail=1
+    compare /dev/null out || fail=1
+done
+
+Exit $fail
diff --git a/tests/inconsistent-range b/tests/inconsistent-range
new file mode 100755
index 0000000..e28acde
--- /dev/null
+++ b/tests/inconsistent-range
@@ -0,0 +1,17 @@
+#!/bin/sh
+# This would fail for grep-2.6
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+printf '00a\n00g\n00z\n00A\n00G\n00Z\n'      > in || framework_failure_
+
+fail=0
+
+for LOC in en_US.UTF-8 en_US zh_CN $LOCALE_FR_UTF8 C; do
+  out1=out1-$LOC
+  LC_ALL=$LOC grep -E '(.)\1[A-Z]' in > $out1 || fail=1
+  out2=out2-$LOC
+  LC_ALL=$LOC grep -E '[A-Z]' in > $out2 || fail=1
+  compare $out1 $out2 || fail=1
+done
+
+Exit $fail
diff --git a/tests/init.cfg b/tests/init.cfg
new file mode 100644
index 0000000..bc62c32
--- /dev/null
+++ b/tests/init.cfg
@@ -0,0 +1,205 @@
+# This file is sourced by init.sh, *before* its initialization.
+
+# This goes hand in hand with the "9>&2;" in tests/Makefile.am's
+# TESTS_ENVIRONMENT definition.
+stderr_fileno_=9
+
+# Map settings of "none" to the empty string.
+test _"$LOCALE_FR" = _none && LOCALE_FR=
+test _"$LOCALE_FR_UTF8" = _none && LOCALE_FR_UTF8=
+
+# Unset key environment variables.
+if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
+  as_unset=unset
+else
+  as_unset=false
+fi
+
+# Derive this list by searching for string literals as the first
+# argument to getenv:
+# git grep getenv|perl -nle '/\bgetenv *\("(.+?)"\)/ and print $1'|sort -u grep
+vars_='
+GREP_COLOR
+GREP_COLORS
+GREP_OPTIONS
+TERM
+'
+envvar_check_fail=0
+for v_ in $vars_
+do
+  $as_unset $v_
+  if eval test \"\${$v_+set}\" = set; then
+    echo "$0: the $v_ environment variable is set --" \
+      ' unset it and rerun this test' >&2
+    envvar_check_fail=1
+  fi
+done
+
+test "$envvar_check_fail" = 1 && fail_ "failed to unset the above envvars"
+
+require_timeout_()
+{
+  ( timeout 10s true ) > /dev/null 2>&1 \
+    || skip_ your system lacks the timeout program
+  timeout 10s false; test $? = 1 \
+    || skip_ your system has a non-GNU timeout program
+}
+
+require_pcre_()
+{
+  echo . | grep -P . 2>err || {
+    test $? -eq 1 && fail_ PCRE available, but does not work.
+    skip_ no PCRE support
+  }
+  compare /dev/null err || fail_ PCRE available, but stderr not empty.
+}
+
+# Some tests would fail without this particular locale.
+# If the locale is not available, just skip the test.
+require_en_utf8_locale_()
+{
+  path_prepend_ .
+  case $(get-mb-cur-max en_US.UTF-8) in
+    [3456]) ;;
+    *) skip_ 'en_US.UTF-8 locale not found' ;;
+  esac
+}
+
+require_tr_utf8_locale_()
+{
+  path_prepend_ .
+  case $(get-mb-cur-max tr_TR.UTF-8) in
+    [3456]) ;;
+    *) skip_ 'tr_TR.UTF-8 locale not found' ;;
+  esac
+}
+
+require_ru_RU_koi8_r()
+{
+  path_prepend_ .
+  case $(get-mb-cur-max ru_RU.KOI8-R) in
+    1) ;;
+    *) skip_ 'ru_RU.KOI8-R locale not found' ;;
+  esac
+}
+
+require_compiled_in_MB_support()
+{
+  require_en_utf8_locale_
+  printf 'é' | LC_ALL=en_US.UTF-8 grep '[[:lower:]]' \
+    || skip_ this test requires MBS support
+}
+
+require_unibyte_locale()
+{
+  path_prepend_ .
+  for loc in C en_US; do
+    for encoding in '' .iso88591 .iso885915 .ISO8859-1 .ISO8859-15; do
+      locale=$loc$encoding
+      MB_CUR_MAX=$(get-mb-cur-max $locale 2>/dev/null) &&
+        test "$MB_CUR_MAX" -eq 1 &&
+        LC_ALL=$locale &&
+        export LC_ALL &&
+        return
+    done
+  done
+  skip_ 'no unibyte locale found'
+}
+
+# Define hi_res_time_ to a function that prints the current time
+# as a floating point number with greater than 1-second resolution.
+# Otherwise, skip the requiring test.
+require_hi_res_time_()
+{
+  local cmd
+  for cmd in 'date +%s.%N' \
+          'perl -le "use Time::HiRes qw(time); print scalar time()"'; do
+      case $($cmd) in
+          *.[0-9]*) eval 'hi_res_time_() { '"$cmd"'; }'; break;;
+      esac
+  done
+  type hi_res_time_ || skip_ no high-resolution timer support
+}
+
+require_JP_EUC_locale_()
+{
+  local locale=ja_JP.eucJP
+  path_prepend_ .
+  case $(get-mb-cur-max $locale) in
+    [23])
+        LC_ALL=$locale &&
+        export LC_ALL &&
+        return
+        ;;
+    *) ;;
+  esac
+
+  skip_ "$loc locale not found"
+}
+
+expensive_()
+{
+  if test "$RUN_EXPENSIVE_TESTS" != yes; then
+    skip_ 'expensive: disabled by default
+This test is relatively expensive, so it is disabled by default.
+To run it anyway, rerun make check with the RUN_EXPENSIVE_TESTS
+environment variable set to yes.  E.g.,
+
+  env RUN_EXPENSIVE_TESTS=yes make check
+
+or use the shortcut target of the toplevel Makefile,
+
+  make check-expensive
+'
+  fi
+}
+
+# Like printf with a single argument, but that argument must be a
+# sequence of four-byte strings \xHH where each H is a hexadecimal byte.
+hex_printf_()
+{
+  local octal_fmt=$(printf '\\%o' \
+    $(printf '%s\n' "$1" \
+      | sed 's,\\x\([0-9abcdefABCDEF][0-9abcdefABCDEF]\), 0x\1,g'))
+  printf "$octal_fmt"
+}
+
+# Wrap tr so that it always runs in the C locale.
+# Otherwise, in a multibyte locale, GNU tr (which is not multibyte-aware
+# as of 2014-11-08), would work differently than others.  For example,
+# this command, which was written with unibyte GNU tr in mind,
+#   LC_ALL=ja_JP.eucJP tr AB '\244\263'
+# would act like this with the multibyte tr from HP-UX and Solaris:
+#   LC_ALL=ja_JP.eucJP tr A  '\244\263'
+tr() { LC_ALL=C env -- tr "$@"; }
+
+# Usage: user_time_ EXPECTED_EXIT_STATUS CMD ...
+# If CMD ... exits with the expected exit status, print the elapsed
+# child "user" time (not "system" time) in milliseconds and return 0.
+# Otherwise, diagnose the exit status mismatch and return nonzero.
+user_time_()
+{
+  $PERL -le '
+    my $expected_exit_status = $ARGV[0];
+    shift @ARGV;
+
+    system (@ARGV);
+    my ($user, $system, $child_user, $child_system) = times;
+
+    my $me = q('"$ME_"');
+    $? == -1
+      and die qq($me: failed to exec ") . join (" ", @ARGV) . qq(": $!\n);
+    my $rc = $?;
+    my $sig = ($rc & 127);
+    $sig and die "$me: child died with signal $sig\n";
+    $rc >>= 8;
+    $rc == $expected_exit_status
+      or die "$me: bad exit status: expected $expected_exit_status; got $rc\n";
+
+    # Print milliseconds of child user time.
+    $child_user *= 1000;
+    print int ($child_user + 0.5)' "$@"
+}
+
+# yes is not portable, fake it with $AWK
+yes() { line=${*-y} ${AWK-awk} 'BEGIN{for (;;) print ENVIRON["line"]}'; }
diff --git a/tests/init.sh b/tests/init.sh
new file mode 100644
index 0000000..ee08022
--- /dev/null
+++ b/tests/init.sh
@@ -0,0 +1,613 @@
+# source this file; set up for tests
+
+# Copyright (C) 2009-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Using this file in a test
+# =========================
+#
+# The typical skeleton of a test looks like this:
+#
+#   #!/bin/sh
+#   . "${srcdir=.}/init.sh"; path_prepend_ .
+#   Execute some commands.
+#   Note that these commands are executed in a subdirectory, therefore you
+#   need to prepend "../" to relative filenames in the build directory.
+#   Note that the "path_prepend_ ." is useful only if the body of your
+#   test invokes programs residing in the initial directory.
+#   For example, if the programs you want to test are in src/, and this test
+#   script is named tests/test-1, then you would use "path_prepend_ ../src",
+#   or perhaps export PATH='$(abs_top_builddir)/src$(PATH_SEPARATOR)'"$$PATH"
+#   to all tests via automake's TESTS_ENVIRONMENT.
+#   Set the exit code 0 for success, 77 for skipped, or 1 or other for failure.
+#   Use the skip_ and fail_ functions to print a diagnostic and then exit
+#   with the corresponding exit code.
+#   Exit $?
+
+# Executing a test that uses this file
+# ====================================
+#
+# Running a single test:
+#   $ make check TESTS=test-foo.sh
+#
+# Running a single test, with verbose output:
+#   $ make check TESTS=test-foo.sh VERBOSE=yes
+#
+# Running a single test, with single-stepping:
+#   1. Go into a sub-shell:
+#   $ bash
+#   2. Set relevant environment variables from TESTS_ENVIRONMENT in the
+#      Makefile:
+#   $ export srcdir=../../tests # this is an example
+#   3. Execute the commands from the test, copy&pasting them one by one:
+#   $ . "$srcdir/init.sh"; path_prepend_ .
+#   ...
+#   4. Finally
+#   $ exit
+
+ME_=`expr "./$0" : '.*/\(.*\)$'`
+
+# We use a trap below for cleanup.  This requires us to go through
+# hoops to get the right exit status transported through the handler.
+# So use 'Exit STATUS' instead of 'exit STATUS' inside of the tests.
+# Turn off errexit here so that we don't trip the bug with OSF1/Tru64
+# sh inside this function.
+Exit () { set +e; (exit $1); exit $1; }
+
+# Print warnings (e.g., about skipped and failed tests) to this file number.
+# Override by defining to say, 9, in init.cfg, and putting say,
+#   export ...ENVVAR_SETTINGS...; $(SHELL) 9>&2
+# in the definition of TESTS_ENVIRONMENT in your tests/Makefile.am file.
+# This is useful when using automake's parallel tests mode, to print
+# the reason for skip/failure to console, rather than to the .log files.
+: ${stderr_fileno_=2}
+
+# Note that correct expansion of "$*" depends on IFS starting with ' '.
+# Always write the full diagnostic to stderr.
+# When stderr_fileno_ is not 2, also emit the first line of the
+# diagnostic to that file descriptor.
+warn_ ()
+{
+  # If IFS does not start with ' ', set it and emit the warning in a subshell.
+  case $IFS in
+    ' '*) printf '%s\n' "$*" >&2
+          test $stderr_fileno_ = 2 \
+            || { printf '%s\n' "$*" | sed 1q >&$stderr_fileno_ ; } ;;
+    *) (IFS=' '; warn_ "$@");;
+  esac
+}
+fail_ () { warn_ "$ME_: failed test: $@"; Exit 1; }
+skip_ () { warn_ "$ME_: skipped test: $@"; Exit 77; }
+fatal_ () { warn_ "$ME_: hard error: $@"; Exit 99; }
+framework_failure_ () { warn_ "$ME_: set-up failure: $@"; Exit 99; }
+
+# This is used to simplify checking of the return value
+# which is useful when ensuring a command fails as desired.
+# I.e., just doing `command ... &&fail=1` will not catch
+# a segfault in command for example.  With this helper you
+# instead check an explicit exit code like
+#   returns_ 1 command ... || fail
+returns_ () {
+  # Disable tracing so it doesn't interfere with stderr of the wrapped command
+  { set +x; } 2>/dev/null
+
+  local exp_exit="$1"
+  shift
+  "$@"
+  test $? -eq $exp_exit && ret_=0 || ret_=1
+
+  if test "$VERBOSE" = yes && test "$gl_set_x_corrupts_stderr_" = false; then
+    set -x
+  fi
+  { return $ret_; } 2>/dev/null
+}
+
+# Sanitize this shell to POSIX mode, if possible.
+DUALCASE=1; export DUALCASE
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+  emulate sh
+  NULLCMD=:
+  alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
+else
+  case `(set -o) 2>/dev/null` in
+    *posix*) set -o posix ;;
+  esac
+fi
+
+# We require $(...) support unconditionally.
+# We require a few additional shell features only when $EXEEXT is nonempty,
+# in order to support automatic $EXEEXT emulation:
+# - hyphen-containing alias names
+# - we prefer to use ${var#...} substitution, rather than having
+#   to work around lack of support for that feature.
+# The following code attempts to find a shell with support for these features.
+# If the current shell passes the test, we're done.  Otherwise, test other
+# shells until we find one that passes.  If one is found, re-exec it.
+# If no acceptable shell is found, skip the current test.
+#
+# The "...set -x; P=1 true 2>err..." test is to disqualify any shell that
+# emits "P=1" into err, as /bin/sh from SunOS 5.11 and OpenBSD 4.7 do.
+#
+# Use "9" to indicate success (rather than 0), in case some shell acts
+# like Solaris 10's /bin/sh but exits successfully instead of with status 2.
+
+# Eval this code in a subshell to determine a shell's suitability.
+# 10 - passes all tests; ok to use
+#  9 - ok, but enabling "set -x" corrupts app stderr; prefer higher score
+#  ? - not ok
+gl_shell_test_script_='
+test $(echo y) = y || exit 1
+f_local_() { local v=1; }; f_local_ || exit 1
+score_=10
+if test "$VERBOSE" = yes; then
+  test -n "$( (exec 3>&1; set -x; P=1 true 2>&3) 2> /dev/null)" && score_=9
+fi
+test -z "$EXEEXT" && exit $score_
+shopt -s expand_aliases
+alias a-b="echo zoo"
+v=abx
+     test ${v%x} = ab \
+  && test ${v#a} = bx \
+  && test $(a-b) = zoo \
+  && exit $score_
+'
+
+if test "x$1" = "x--no-reexec"; then
+  shift
+else
+  # Assume a working shell.  Export to subshells (setup_ needs this).
+  gl_set_x_corrupts_stderr_=false
+  export gl_set_x_corrupts_stderr_
+
+  # Record the first marginally acceptable shell.
+  marginal_=
+
+  # Search for a shell that meets our requirements.
+  for re_shell_ in __current__ "${CONFIG_SHELL:-no_shell}" \
+      /bin/sh bash dash zsh pdksh fail
+  do
+    test "$re_shell_" = no_shell && continue
+
+    # If we've made it all the way to the sentinel, "fail" without
+    # finding even a marginal shell, skip this test.
+    if test "$re_shell_" = fail; then
+      test -z "$marginal_" && skip_ failed to find an adequate shell
+      re_shell_=$marginal_
+      break
+    fi
+
+    # When testing the current shell, simply "eval" the test code.
+    # Otherwise, run it via $re_shell_ -c ...
+    if test "$re_shell_" = __current__; then
+      # 'eval'ing this code makes Solaris 10's /bin/sh exit with
+      # $? set to 2.  It does not evaluate any of the code after the
+      # "unexpected" first '('.  Thus, we must run it in a subshell.
+      ( eval "$gl_shell_test_script_" ) > /dev/null 2>&1
+    else
+      "$re_shell_" -c "$gl_shell_test_script_" 2>/dev/null
+    fi
+
+    st_=$?
+
+    # $re_shell_ works just fine.  Use it.
+    if test $st_ = 10; then
+      gl_set_x_corrupts_stderr_=false
+      break
+    fi
+
+    # If this is our first marginally acceptable shell, remember it.
+    if test "$st_:$marginal_" = 9: ; then
+      marginal_="$re_shell_"
+      gl_set_x_corrupts_stderr_=true
+    fi
+  done
+
+  if test "$re_shell_" != __current__; then
+    # Found a usable shell.  Preserve -v and -x.
+    case $- in
+      *v*x* | *x*v*) opts_=-vx ;;
+      *v*) opts_=-v ;;
+      *x*) opts_=-x ;;
+      *) opts_= ;;
+    esac
+    re_shell=$re_shell_
+    export re_shell
+    exec "$re_shell_" $opts_ "$0" --no-reexec "$@"
+    echo "$ME_: exec failed" 1>&2
+    exit 127
+  fi
+fi
+
+# If this is bash, turn off all aliases.
+test -n "$BASH_VERSION" && unalias -a
+
+# Note that when supporting $EXEEXT (transparently mapping from PROG_NAME to
+# PROG_NAME.exe), we want to support hyphen-containing names like test-acos.
+# That is part of the shell-selection test above.  Why use aliases rather
+# than functions?  Because support for hyphen-containing aliases is more
+# widespread than that for hyphen-containing function names.
+test -n "$EXEEXT" && shopt -s expand_aliases
+
+# Enable glibc's malloc-perturbing option.
+# This is useful for exposing code that depends on the fact that
+# malloc-related functions often return memory that is mostly zeroed.
+# If you have the time and cycles, use valgrind to do an even better job.
+: ${MALLOC_PERTURB_=87}
+export MALLOC_PERTURB_
+
+# This is a stub function that is run upon trap (upon regular exit and
+# interrupt).  Override it with a per-test function, e.g., to unmount
+# a partition, or to undo any other global state changes.
+cleanup_ () { :; }
+
+# Emit a header similar to that from diff -u;  Print the simulated "diff"
+# command so that the order of arguments is clear.  Don't bother with @@ lines.
+emit_diff_u_header_ ()
+{
+  printf '%s\n' "diff -u $*" \
+    "--- $1	1970-01-01" \
+    "+++ $2	1970-01-01"
+}
+
+# Arrange not to let diff or cmp operate on /dev/null,
+# since on some systems (at least OSF/1 5.1), that doesn't work.
+# When there are not two arguments, or no argument is /dev/null, return 2.
+# When one argument is /dev/null and the other is not empty,
+# cat the nonempty file to stderr and return 1.
+# Otherwise, return 0.
+compare_dev_null_ ()
+{
+  test $# = 2 || return 2
+
+  if test "x$1" = x/dev/null; then
+    test -s "$2" || return 0
+    emit_diff_u_header_ "$@"; sed 's/^/+/' "$2"
+    return 1
+  fi
+
+  if test "x$2" = x/dev/null; then
+    test -s "$1" || return 0
+    emit_diff_u_header_ "$@"; sed 's/^/-/' "$1"
+    return 1
+  fi
+
+  return 2
+}
+
+if diff_out_=`exec 2>/dev/null; diff -u "$0" "$0" < /dev/null` \
+   && diff -u Makefile "$0" 2>/dev/null | grep '^[+]#!' >/dev/null; then
+  # diff accepts the -u option and does not (like AIX 7 'diff') produce an
+  # extra space on column 1 of every content line.
+  if test -z "$diff_out_"; then
+    compare_ () { diff -u "$@"; }
+  else
+    compare_ ()
+    {
+      if diff -u "$@" > diff.out; then
+        # No differences were found, but Solaris 'diff' produces output
+        # "No differences encountered". Hide this output.
+        rm -f diff.out
+        true
+      else
+        cat diff.out
+        rm -f diff.out
+        false
+      fi
+    }
+  fi
+elif diff_out_=`exec 2>/dev/null; diff -c "$0" "$0" < /dev/null`; then
+  if test -z "$diff_out_"; then
+    compare_ () { diff -c "$@"; }
+  else
+    compare_ ()
+    {
+      if diff -c "$@" > diff.out; then
+        # No differences were found, but AIX and HP-UX 'diff' produce output
+        # "No differences encountered" or "There are no differences between the
+        # files.". Hide this output.
+        rm -f diff.out
+        true
+      else
+        cat diff.out
+        rm -f diff.out
+        false
+      fi
+    }
+  fi
+elif cmp -s /dev/null /dev/null 2>/dev/null; then
+  compare_ () { cmp -s "$@"; }
+else
+  compare_ () { cmp "$@"; }
+fi
+
+# Usage: compare EXPECTED ACTUAL
+#
+# Given compare_dev_null_'s preprocessing, defer to compare_ if 2 or more.
+# Otherwise, propagate $? to caller: any diffs have already been printed.
+compare ()
+{
+  # This looks like it can be factored to use a simple "case $?"
+  # after unchecked compare_dev_null_ invocation, but that would
+  # fail in a "set -e" environment.
+  if compare_dev_null_ "$@"; then
+    return 0
+  else
+    case $? in
+      1) return 1;;
+      *) compare_ "$@";;
+    esac
+  fi
+}
+
+# An arbitrary prefix to help distinguish test directories.
+testdir_prefix_ () { printf gt; }
+
+# Run the user-overridable cleanup_ function, remove the temporary
+# directory and exit with the incoming value of $?.
+remove_tmp_ ()
+{
+  __st=$?
+  cleanup_
+  # cd out of the directory we're about to remove
+  cd "$initial_cwd_" || cd / || cd /tmp
+  chmod -R u+rwx "$test_dir_"
+  # If removal fails and exit status was to be 0, then change it to 1.
+  rm -rf "$test_dir_" || { test $__st = 0 && __st=1; }
+  exit $__st
+}
+
+# Given a directory name, DIR, if every entry in it that matches *.exe
+# contains only the specified bytes (see the case stmt below), then print
+# a space-separated list of those names and return 0.  Otherwise, don't
+# print anything and return 1.  Naming constraints apply also to DIR.
+find_exe_basenames_ ()
+{
+  feb_dir_=$1
+  feb_fail_=0
+  feb_result_=
+  feb_sp_=
+  for feb_file_ in $feb_dir_/*.exe; do
+    # If there was no *.exe file, or there existed a file named "*.exe" that
+    # was deleted between the above glob expansion and the existence test
+    # below, just skip it.
+    test "x$feb_file_" = "x$feb_dir_/*.exe" && test ! -f "$feb_file_" \
+      && continue
+    # Exempt [.exe, since we can't create a function by that name, yet
+    # we can't invoke [ by PATH search anyways due to shell builtins.
+    test "x$feb_file_" = "x$feb_dir_/[.exe" && continue
+    case $feb_file_ in
+      *[!-a-zA-Z/0-9_.+]*) feb_fail_=1; break;;
+      *) # Remove leading file name components as well as the .exe suffix.
+         feb_file_=${feb_file_##*/}
+         feb_file_=${feb_file_%.exe}
+         feb_result_="$feb_result_$feb_sp_$feb_file_";;
+    esac
+    feb_sp_=' '
+  done
+  test $feb_fail_ = 0 && printf %s "$feb_result_"
+  return $feb_fail_
+}
+
+# Consider the files in directory, $1.
+# For each file name of the form PROG.exe, create an alias named
+# PROG that simply invokes PROG.exe, then return 0.  If any selected
+# file name or the directory name, $1, contains an unexpected character,
+# define no alias and return 1.
+create_exe_shims_ ()
+{
+  case $EXEEXT in
+    '') return 0 ;;
+    .exe) ;;
+    *) echo "$0: unexpected \$EXEEXT value: $EXEEXT" 1>&2; return 1 ;;
+  esac
+
+  base_names_=`find_exe_basenames_ $1` \
+    || { echo "$0 (exe_shim): skipping directory: $1" 1>&2; return 0; }
+
+  if test -n "$base_names_"; then
+    for base_ in $base_names_; do
+      alias "$base_"="$base_$EXEEXT"
+    done
+  fi
+
+  return 0
+}
+
+# Use this function to prepend to PATH an absolute name for each
+# specified, possibly-$initial_cwd_-relative, directory.
+path_prepend_ ()
+{
+  while test $# != 0; do
+    path_dir_=$1
+    case $path_dir_ in
+      '') fail_ "invalid path dir: '$1'";;
+      /*) abs_path_dir_=$path_dir_;;
+      *) abs_path_dir_=$initial_cwd_/$path_dir_;;
+    esac
+    case $abs_path_dir_ in
+      *:*) fail_ "invalid path dir: '$abs_path_dir_'";;
+    esac
+    PATH="$abs_path_dir_:$PATH"
+
+    # Create an alias, FOO, for each FOO.exe in this directory.
+    create_exe_shims_ "$abs_path_dir_" \
+      || fail_ "something failed (above): $abs_path_dir_"
+    shift
+  done
+  export PATH
+}
+
+setup_ ()
+{
+  if test "$VERBOSE" = yes; then
+    # Test whether set -x may cause the selected shell to corrupt an
+    # application's stderr.  Many do, including zsh-4.3.10 and the /bin/sh
+    # from SunOS 5.11, OpenBSD 4.7 and Irix 5.x and 6.5.
+    # If enabling verbose output this way would cause trouble, simply
+    # issue a warning and refrain.
+    if $gl_set_x_corrupts_stderr_; then
+      warn_ "using SHELL=$SHELL with 'set -x' corrupts stderr"
+    else
+      set -x
+    fi
+  fi
+
+  initial_cwd_=$PWD
+  fail=0
+
+  pfx_=`testdir_prefix_`
+  test_dir_=`mktempd_ "$initial_cwd_" "$pfx_-$ME_.XXXX"` \
+    || fail_ "failed to create temporary directory in $initial_cwd_"
+  cd "$test_dir_" || fail_ "failed to cd to temporary directory"
+
+  # As autoconf-generated configure scripts do, ensure that IFS
+  # is defined initially, so that saving and restoring $IFS works.
+  gl_init_sh_nl_='
+'
+  IFS=" ""	$gl_init_sh_nl_"
+
+  # This trap statement, along with a trap on 0 below, ensure that the
+  # temporary directory, $test_dir_, is removed upon exit as well as
+  # upon receipt of any of the listed signals.
+  for sig_ in 1 2 3 13 15; do
+    eval "trap 'Exit $(expr $sig_ + 128)' $sig_"
+  done
+}
+
+# Create a temporary directory, much like mktemp -d does.
+# Written by Jim Meyering.
+#
+# Usage: mktempd_ /tmp phoey.XXXXXXXXXX
+#
+# First, try to use the mktemp program.
+# Failing that, we'll roll our own mktemp-like function:
+#  - try to get random bytes from /dev/urandom
+#  - failing that, generate output from a combination of quickly-varying
+#      sources and gzip.  Ignore non-varying gzip header, and extract
+#      "random" bits from there.
+#  - given those bits, map to file-name bytes using tr, and try to create
+#      the desired directory.
+#  - make only $MAX_TRIES_ attempts
+
+# Helper function.  Print $N pseudo-random bytes from a-zA-Z0-9.
+rand_bytes_ ()
+{
+  n_=$1
+
+  # Maybe try openssl rand -base64 $n_prime_|tr '+/=\012' abcd first?
+  # But if they have openssl, they probably have mktemp, too.
+
+  chars_=abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789
+  dev_rand_=/dev/urandom
+  if test -r "$dev_rand_"; then
+    # Note: 256-length($chars_) == 194; 3 copies of $chars_ is 186 + 8 = 194.
+    dd ibs=$n_ count=1 if=$dev_rand_ 2>/dev/null \
+      | LC_ALL=C tr -c $chars_ 01234567$chars_$chars_$chars_
+    return
+  fi
+
+  n_plus_50_=`expr $n_ + 50`
+  cmds_='date; date +%N; free; who -a; w; ps auxww; ps ef; netstat -n'
+  data_=` (eval "$cmds_") 2>&1 | gzip `
+
+  # Ensure that $data_ has length at least 50+$n_
+  while :; do
+    len_=`echo "$data_"|wc -c`
+    test $n_plus_50_ -le $len_ && break;
+    data_=` (echo "$data_"; eval "$cmds_") 2>&1 | gzip `
+  done
+
+  echo "$data_" \
+    | dd bs=1 skip=50 count=$n_ 2>/dev/null \
+    | LC_ALL=C tr -c $chars_ 01234567$chars_$chars_$chars_
+}
+
+mktempd_ ()
+{
+  case $# in
+  2);;
+  *) fail_ "Usage: mktempd_ DIR TEMPLATE";;
+  esac
+
+  destdir_=$1
+  template_=$2
+
+  MAX_TRIES_=4
+
+  # Disallow any trailing slash on specified destdir:
+  # it would subvert the post-mktemp "case"-based destdir test.
+  case $destdir_ in
+  /) ;;
+  */) fail_ "invalid destination dir: remove trailing slash(es)";;
+  esac
+
+  case $template_ in
+  *XXXX) ;;
+  *) fail_ \
+       "invalid template: $template_ (must have a suffix of at least 4 X's)";;
+  esac
+
+  # First, try to use mktemp.
+  d=`unset TMPDIR; { mktemp -d -t -p "$destdir_" "$template_"; } 2>/dev/null` \
+    || fail=1
+
+  # The resulting name must be in the specified directory.
+  case $d in "$destdir_"*);; *) fail=1;; esac
+
+  # It must have created the directory.
+  test -d "$d" || fail=1
+
+  # It must have 0700 permissions.  Handle sticky "S" bits.
+  perms=`ls -dgo "$d" 2>/dev/null|tr S -` || fail=1
+  case $perms in drwx------*) ;; *) fail=1;; esac
+
+  test $fail = 0 && {
+    echo "$d"
+    return
+  }
+
+  # If we reach this point, we'll have to create a directory manually.
+
+  # Get a copy of the template without its suffix of X's.
+  base_template_=`echo "$template_"|sed 's/XX*$//'`
+
+  # Calculate how many X's we've just removed.
+  template_length_=`echo "$template_" | wc -c`
+  nx_=`echo "$base_template_" | wc -c`
+  nx_=`expr $template_length_ - $nx_`
+
+  err_=
+  i_=1
+  while :; do
+    X_=`rand_bytes_ $nx_`
+    candidate_dir_="$destdir_/$base_template_$X_"
+    err_=`mkdir -m 0700 "$candidate_dir_" 2>&1` \
+      && { echo "$candidate_dir_"; return; }
+    test $MAX_TRIES_ -le $i_ && break;
+    i_=`expr $i_ + 1`
+  done
+  fail_ "$err_"
+}
+
+# If you want to override the testdir_prefix_ function,
+# or to add more utility functions, use this file.
+test -f "$srcdir/init.cfg" \
+  && . "$srcdir/init.cfg"
+
+setup_ "$@"
+# This trap is here, rather than in the setup_ function, because some
+# shells run the exit trap at shell function exit, rather than script exit.
+trap remove_tmp_ 0
diff --git a/tests/invalid-char-class b/tests/invalid-char-class
new file mode 100755
index 0000000..2417361
--- /dev/null
+++ b/tests/invalid-char-class
@@ -0,0 +1,30 @@
+#!/bin/sh
+# This use of our DFA-testing helper would fail for grep-2.21.
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+# Add "." to PATH for the use of dfa-match-aux.
+path_prepend_ .
+
+fail=0
+
+echo 'dfaerror: invalid character class' > exp
+LC_ALL=C dfa-match-aux '[[:foo:]]' a > out 2>&1
+compare exp out || fail=1
+
+Exit $fail
diff --git a/tests/invalid-multibyte-infloop b/tests/invalid-multibyte-infloop
new file mode 100755
index 0000000..d7c6165
--- /dev/null
+++ b/tests/invalid-multibyte-infloop
@@ -0,0 +1,39 @@
+#!/bin/sh
+# Ensure that we don't trigger a grep -F infloop.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_compiled_in_MB_support
+require_timeout_
+
+encode() { echo "$1" | tr A '\202'; }
+
+encode AA > input
+
+fail=0
+
+# Before 2.15, this would infloop.
+LC_ALL=en_US.UTF-8 timeout 3 grep -aF $(encode A) input > out
+status=$?
+if test $status -eq 0; then
+  compare input out
+elif test $status -eq 1; then
+  compare_dev_null_ /dev/null out
+else
+  test $status -eq 2
+fi || fail=1
+
+echo 'Binary file input matches' >binary-file-matches
+
+LC_ALL=en_US.UTF-8 timeout 3 grep -F $(encode A) input > out
+status=$?
+if test $status -eq 0; then
+  compare binary-file-matches out
+elif test $status -eq 1; then
+  compare_dev_null_ /dev/null out
+else
+  test $status -eq 2
+fi || fail=1
+
+Exit $fail
diff --git a/tests/khadafy b/tests/khadafy
new file mode 100755
index 0000000..73ee1c7
--- /dev/null
+++ b/tests/khadafy
@@ -0,0 +1,26 @@
+#! /bin/sh
+# Regression test for GNU grep.
+#
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+# The Khadafy test is brought to you by Scott Anderson . . .
+
+grep -E -f $abs_top_srcdir/tests/khadafy.regexp \
+    $abs_top_srcdir/tests/khadafy.lines > khadafy.out || fail=1
+if cmp $abs_top_srcdir/tests/khadafy.lines khadafy.out
+then
+        :
+else
+        echo Khadafy test failed -- output left on khadafy.out
+        fail=1
+fi
+
+Exit $fail
diff --git a/tests/khadafy.lines b/tests/khadafy.lines
new file mode 100644
index 0000000..57e21a1
--- /dev/null
+++ b/tests/khadafy.lines
@@ -0,0 +1,32 @@
+1)  Muammar Qaddafi
+2)  Mo'ammar Gadhafi
+3)  Muammar Kaddafi
+4)  Muammar Qadhafi
+5)  Moammar El Kadhafi
+6)  Muammar Gadafi
+7)  Mu'ammar al-Qadafi
+8)  Moamer El Kazzafi
+9)  Moamar al-Gaddafi
+10) Mu'ammar Al Qathafi
+11) Muammar Al Qathafi
+12) Mo'ammar el-Gadhafi
+13) Moamar El Kadhafi
+14) Muammar al-Qadhafi
+15) Mu'ammar al-Qadhdhafi
+16) Mu'ammar Qadafi
+17) Moamar Gaddafi
+18) Mu'ammar Qadhdhafi
+19) Muammar Khaddafi
+20) Muammar al-Khaddafi
+21) Mu'amar al-Kadafi
+22) Muammar Ghaddafy
+23) Muammar Ghadafi
+24) Muammar Ghaddafi
+25) Muamar Kaddafi
+26) Muammar Quathafi
+27) Muammar Gheddafi
+28) Muamar Al-Kaddafi
+29) Moammar Khadafy
+30) Moammar Qudhafi
+31) Mu'ammar al-Qaddafi
+32) Mulazim Awwal Mu'ammar Muhammad Abu Minyar al-Qadhafi
diff --git a/tests/khadafy.regexp b/tests/khadafy.regexp
new file mode 100644
index 0000000..46fe8dd
--- /dev/null
+++ b/tests/khadafy.regexp
@@ -0,0 +1 @@
+M[ou]'?am+[ae]r .*([AEae]l[- ])?[GKQ]h?[aeu]+([dtz][dhz]?)+af[iy]
diff --git a/tests/kwset-abuse b/tests/kwset-abuse
new file mode 100755
index 0000000..84e9416
--- /dev/null
+++ b/tests/kwset-abuse
@@ -0,0 +1,32 @@
+#! /bin/sh
+# Evoke a segfault in a hard-to-reach code path of kwset.c.
+# This bug affected grep versions 2.19 through 2.21.
+#
+# Copyright (C) 2015-2016 Free Software Foundation, Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+# This test case chooses a haystack of size 260,000, since prodding
+# with gdb showed a reallocation slightly larger than that in fillbuf.
+# To reach the buggy code, the needle must have length < 1/11 that of
+# the haystack, and 10,000 is a nice round number that fits the bill.
+printf '%0260000dXy\n' 0 | grep -F $(printf %010000dy 0)
+
+test $? = 1 || fail=1
+
+Exit $fail
diff --git a/tests/long-line-vs-2GiB-read b/tests/long-line-vs-2GiB-read
new file mode 100755
index 0000000..29d29ec
--- /dev/null
+++ b/tests/long-line-vs-2GiB-read
@@ -0,0 +1,25 @@
+#!/bin/sh
+# Ensure that grep can handle lines 2GiB long.
+# Before grep-2.16, a line of length 2^31 or greater would provoke
+# an "Invalid argument" (EINVAL) failure from the read syscall on
+# systems like OS/X 10.8.5.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+# Searching 2GiB takes a while.
+expensive_
+
+echo big > exp || framework_failure_
+
+MiB=1048576
+dd bs=$MiB seek=2048 of=big < /dev/null || framework_failure_
+echo x >> big || framework_failure_
+grep -l x big > out 2> err || fail=1
+
+# Not everyone has 2GB of memory free.
+grep '^grep: memory exhausted$' err && skip_ 'memory exhausted'
+
+compare exp out || fail=1
+compare /dev/null err || fail=1
+
+Exit $fail
diff --git a/tests/long-pattern-perf b/tests/long-pattern-perf
new file mode 100755
index 0000000..0548f34
--- /dev/null
+++ b/tests/long-pattern-perf
@@ -0,0 +1,43 @@
+#!/bin/sh
+# grep-2.21 would incur a 100x penalty for 10x increase in regexp length
+
+# Copyright 2015-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+# This test is susceptible to failure due to differences in
+# system load during the two test runs, so we'll mark it as
+# "expensive", making it less likely to be run by regular users.
+expensive_
+
+echo x > in || framework_failure_
+# We could use seq -s '' (avoiding the tr filter), but I
+# suspect some version of seq does not honor that option.
+# Note that we want 10x the byte count (not line count) in the larger file.
+seq 10000  20000 | tr -d '\012' > re     || framework_failure_
+seq 10000 100000 | tr -d '\012' > re-10x || framework_failure_
+
+base_ms=$(user_time_ 1 grep -f re in    ) || fail=1
+b10x_ms=$(user_time_ 1 grep -f re-10x in) || fail=1
+
+# Increasing the length of the regular expression by a factor
+# of 10 should cause no more than a 10x increase in duration.
+# However, we'll draw the line at 20x to avoid false-positives.
+returns_ 1 expr $base_ms '<' $b10x_ms / 20 || fail=1
+
+Exit $fail
diff --git a/tests/match-lines b/tests/match-lines
new file mode 100755
index 0000000..7e1f291
--- /dev/null
+++ b/tests/match-lines
@@ -0,0 +1,36 @@
+#!/bin/sh
+# Trigger a bug in the DFA matcher that would make
+# grep -F -x -o PAT print an extra newline for each match.
+# This would fail for grep-2.19 and grep-2.20.
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+printf 'a\n' > in || framework_failure_
+
+fail=0
+
+for locale in C en_US.UTF-8; do
+  for options in -x '-E -x' '-F -x'; do
+    for o in '' -o; do
+      LC_ALL=$locale grep $o $options a in > out || fail=1
+      compare out in || fail=1
+    done
+  done
+done
+
+Exit $fail
diff --git a/tests/max-count-overread b/tests/max-count-overread
new file mode 100755
index 0000000..d7aafd6
--- /dev/null
+++ b/tests/max-count-overread
@@ -0,0 +1,15 @@
+#!/bin/sh
+# Ensure that -m1 stops reading after the first match.
+# In grep-2.19, yes x|grep -m1 x would infloop.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_timeout_
+
+fail=0
+
+echo x > exp || framework_failure_
+
+yes x | timeout 3 grep -m1 x > out || fail=1
+compare exp out || fail=1
+
+Exit $fail
diff --git a/tests/max-count-vs-context b/tests/max-count-vs-context
new file mode 100755
index 0000000..5633dd6
--- /dev/null
+++ b/tests/max-count-vs-context
@@ -0,0 +1,23 @@
+#!/bin/sh
+# Show how -m1 works with -A N when a 2nd match is < N lines after the first
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+cat <<EOF > in || framework_failure_
+needle
+1st line of context
+2nd line of context
+3rd line of context
+another needle
+5th line of context relative to first match
+6th line...
+EOF
+
+sed 4q in > exp || framework_failure_
+
+fail=0
+grep -m1 -A5 needle in > out 2>err || fail=1
+
+compare exp out || fail=1
+compare /dev/null err || fail=1
+
+Exit $fail
diff --git a/tests/mb-dot-newline b/tests/mb-dot-newline
new file mode 100755
index 0000000..9e3db15
--- /dev/null
+++ b/tests/mb-dot-newline
@@ -0,0 +1,33 @@
+#!/bin/sh
+# Trigger a bug in the DFA matcher.
+# This would fail for grep-2.20.
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+printf 'a\naa\n' > in || framework_failure_
+printf 'aa\n' > exp || framework_failure_
+
+fail=0
+
+for LOC in en_US.UTF-8 en_US zh_CN $LOCALE_FR_UTF8 C; do
+  out1=out1-$LOC
+  LC_ALL=$LOC grep '..' in > out || fail=1
+  compare exp out || fail=1
+done
+
+Exit $fail
diff --git a/tests/mb-non-UTF8-overrun b/tests/mb-non-UTF8-overrun
new file mode 100755
index 0000000..69335d3
--- /dev/null
+++ b/tests/mb-non-UTF8-overrun
@@ -0,0 +1,30 @@
+#!/bin/sh
+# grep would sometimes read beyond end of input, when using a non-UTF8
+# multibyte locale.
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_JP_EUC_locale_
+
+fail=0
+
+# This would fail when running an ASAN-enabled binary, or when run via
+# valgrind, accessing one byte beyond the end of an input buffer.
+grep -z . < /dev/null
+test $? = 1 || fail=1
+
+Exit $fail
diff --git a/tests/mb-non-UTF8-performance b/tests/mb-non-UTF8-performance
new file mode 100755
index 0000000..11d0cf7
--- /dev/null
+++ b/tests/mb-non-UTF8-performance
@@ -0,0 +1,48 @@
+#!/bin/sh
+# grep-2.17 would take nearly 200x longer to run the command below.
+# The 200x is on an Intel i7-based system.
+# On an AMD FX-4100, it would take up to 2500x longer.
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+# This test is susceptible to failure due to differences in
+# system load during the two test runs, so we'll mark it as
+# "expensive", making it less likely to be run by regular users.
+expensive_
+
+# Make the input large enough so that even on high-end systems
+# the unibyte test takes at least 10ms of user time.
+n_lines=100000
+while :; do
+  yes $(printf '%078d' 0) | sed ${n_lines}q > in || framework_failure_
+  ubyte_ms=$(LC_ALL=C user_time_ 1 grep -i foobar in) || fail=1
+  test $ubyte_ms -ge 10 && break
+  n_lines=$(expr $n_lines + 200000)
+done
+
+require_JP_EUC_locale_
+mbyte_ms=$(user_time_ 1 grep -i foobar in) || fail=1
+
+# The duration of the multi-byte run must be no more than 30 times
+# that of the single-byte one.
+# A multiple of 3 seems to be enough for i5,i7, but AMD needs >25.
+returns_ 1 expr $ubyte_ms '<' $mbyte_ms / 30 || fail=1
+
+Exit $fail
diff --git a/tests/multibyte-white-space b/tests/multibyte-white-space
new file mode 100755
index 0000000..c2a493b
--- /dev/null
+++ b/tests/multibyte-white-space
@@ -0,0 +1,78 @@
+#! /bin/sh
+# Test whether \s matches SP and UTF-8 multi-byte white space characters.
+#
+# Copyright (C) 2013-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+
+LC_ALL=en_US.UTF-8
+export LC_ALL
+
+# It would have been nice to be able to use all UTF8 characters
+# with the Unicode WSpace=Y character property,
+# https://en.wikipedia.org/wiki/Whitespace_character, but that
+# would currently cause distracting failures everywhere I've tried.
+
+# FIXME: including any the following in the list below would
+# make this test fail on Fedora 19/glibc-2.17-18.fc19.
+# Restore them to the list once it is fixed.
+these_fail_with_glibc='
+U+00A0 NO-BREAK SPACE:            c2 a0
+U+2007 FIGURE SPACE:              e2 80 87
+U+200B ZERO WIDTH SPACE:          e2 80 8b
+U+202F NARROW NO-BREAK SPACE:     e2 80 af
+'
+fail_with_other='
+U+000A Line feed:                 0a
+U+0085 Next line:                 85
+'
+
+utf8_space_characters=$(sed 's/.*://;s/  */\\x/g' <<\EOF
+U+0009 Horizontal Tab:            09
+U+000B Vertical Tab:              0b
+U+000C Form feed:                 0c
+U+000D Carriage return:           0d
+U+0020 SPACE:                     20
+U+1680 OGHAM SPACE MARK:          e1 9a 80
+U+2000 EN QUAD:                   e2 80 80
+U+2001 EM QUAD:                   e2 80 81
+U+2002 EN SPACE:                  e2 80 82
+U+2003 EM SPACE:                  e2 80 83
+U+2004 THREE-PER-EM SPACE:        e2 80 84
+U+2005 FOUR-PER-EM SPACE:         e2 80 85
+U+2006 SIX-PER-EM SPACE:          e2 80 86
+U+2008 PUNCTUATION SPACE:         e2 80 88
+U+2009 THIN SPACE:                e2 80 89
+U+200A HAIR SPACE:                e2 80 8a
+U+205F MEDIUM MATHEMATICAL SPACE: e2 81 9f
+U+3000 IDEOGRAPHIC SPACE:         e3 80 80
+EOF
+)
+
+fail=0
+
+for i in $utf8_space_characters; do
+  hex_printf_ "$i" | grep -q '^\s$' \
+      || { warn_ "$i FAILED to match \\s"; fail=1; }
+  hex_printf_ "$i" | grep -q '\S'
+  test $? = 1 \
+      || { warn_ "$i vs. \\S FAILED"; fail=1; }
+done
+
+
+# This is a separate test, only nominally related to \s.
+# It is solely to get coverage of a code path (exercising dfa.c's
+# match_mb_charset function) that would have otherwise been untouched.
+# However, as of the change-set adding this new test, match_mb_charset
+# is unreachable via grep.
+printf '\0' | grep -aE '^\s?$' > out 2>&1
+test $? = 1 || fail=1
+compare /dev/null out
+
+Exit $fail
diff --git a/tests/multiple-begin-or-end-line b/tests/multiple-begin-or-end-line
new file mode 100755
index 0000000..ec6da30
--- /dev/null
+++ b/tests/multiple-begin-or-end-line
@@ -0,0 +1,28 @@
+#!/bin/sh
+# Test a pattern of multiple begin or end line constraints.
+# This would mistakenly print a line when using grep-2.19.
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+echo aa | grep 'a\(b$\|c$\)' >out && fail=1
+compare /dev/null out || fail=1
+
+echo aa | grep '\(^b\|^c\)a' >out && fail=1
+compare /dev/null out || fail=1
+
+Exit $fail
diff --git a/tests/null-byte b/tests/null-byte
new file mode 100755
index 0000000..f9bb00e
--- /dev/null
+++ b/tests/null-byte
@@ -0,0 +1,68 @@
+#!/bin/sh
+# Test NUL bytes in patterns and data.
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+# Add "." to PATH for the use of get-mb-cur-max.
+path_prepend_ .
+
+locales=C
+for locale in en_US.iso885915 en_US.UTF-8; do
+  get-mb-cur-max en_US.UTF-8 >/dev/null 2>&1 && locales="$locales $locale"
+done
+
+fail=0
+
+for left in '' a '#' '\0'; do
+  for right in '' b '#' '\0'; do
+    data="$left\\0$right"
+    printf "$data\\n" >in || framework_failure_
+    for hat in '' '^'; do
+      for dollar in '' '$'; do
+        for force_regex in '' '\\(\\)\\1'; do
+          pat="$hat$force_regex$data$dollar"
+          printf "$pat\\n" >pat || framework_failure_
+          for locale in $locales; do
+            LC_ALL=$locale grep -f pat in
+            status=$?
+            test $status -eq 0 || test $status -eq 1 ||
+              fail_ "'$pat' caused an error"
+            LC_ALL=$locale grep -a -f pat in | cmp -s - in ||
+              fail_ "-a '$pat' does not match '$data'"
+          done
+        done
+      done
+    done
+  done
+done
+
+(echo xxx && yes yyy | sed 100000q && printf 'z\n\0') >in || framework_failure_
+echo xxx >exp || framework_failure_
+grep xxx in >out || fail=1
+compare exp out || fail=1
+
+printf '%s\n' xxx 'Binary file in matches' > exp || framework_failure_
+grep -E 'xxx|z' in >out || fail=1
+compare exp out || fail=1
+
+printf '%s\0' 'abcadc' >in || framework_failure_
+printf '%s\0' 'abc' 'adc' >exp || framework_failure_
+grep -oz 'a[^c]*c' in >out || fail=1
+compare exp out || fail=1
+
+Exit $fail
diff --git a/tests/options b/tests/options
new file mode 100755
index 0000000..97d2a03
--- /dev/null
+++ b/tests/options
@@ -0,0 +1,49 @@
+#! /bin/sh
+# Test for POSIX options for grep
+#
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+#
+# grep [ -E| -F][ -c| -l| -q ][-insvx] -e pattern_list
+#      [-f pattern_file] ... [file. ..]
+# grep [ -E| -F][ -c| -l| -q ][-insvx][-e pattern_list]
+#      -f pattern_file ... [file ...]
+# grep [ -E| -F][ -c| -l| -q ][-insvx] pattern_list [file...]
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+# checking for -E extended regex
+echo "abababccccccd" | grep -E -e 'c{3}' > /dev/null 2>&1
+if test $? -ne 0 ; then
+        echo "Options: Wrong status code, test #1 failed"
+        fail=1
+fi
+
+# checking for basic regex
+echo "abababccccccd" | grep -G -e 'c\{3\}' > /dev/null 2>&1
+if test $? -ne 0 ; then
+        echo "Options: Wrong status code, test #2 failed"
+        fail=1
+fi
+
+# checking for fixed string
+echo "abababccccccd" | grep -F -e 'c\{3\}' > /dev/null 2>&1
+if test $? -ne 1 ; then
+        echo "Options: Wrong status code, test #3 failed"
+        fail=1
+fi
+
+# checking for multiple -e options; see:
+# http://bugs.gnu.org/21670
+echo abchelloabc | grep -e '^hello' -e 'hello$' > /dev/null 2>&1
+if test $? -ne 1 ; then
+        echo "Options: Wrong status code, test #4 failed"
+        fail=1
+fi
+
+Exit $fail
diff --git a/tests/pcre b/tests/pcre
new file mode 100755
index 0000000..8f3d9a4
--- /dev/null
+++ b/tests/pcre
@@ -0,0 +1,20 @@
+#! /bin/sh
+# Simple PCRE tests.
+#
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_pcre_
+
+fail=0
+
+echo | grep -P '\s*$' || fail=1
+echo | returns_ 2 grep -zP '\s$' || fail=1
+echo '.ab' | returns_ 1 grep -Pwx ab || fail=1
+echo x | grep -Pz '[^a]' || fail=1
+
+Exit $fail
diff --git a/tests/pcre-abort b/tests/pcre-abort
new file mode 100755
index 0000000..5e9fdf2
--- /dev/null
+++ b/tests/pcre-abort
@@ -0,0 +1,21 @@
+#! /bin/sh
+# Show that grep handles PCRE's PCRE_ERROR_MATCHLIMIT.
+# In grep-2.8, it would abort.
+#
+# Copyright (C) 2011-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_pcre_
+
+fail=0
+
+echo aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab > in || framework_failure_
+grep -P '((a+)*)+$' in > out
+test $? = 2 || fail=1
+compare /dev/null out || fail=1
+
+Exit $fail
diff --git a/tests/pcre-context b/tests/pcre-context
new file mode 100755
index 0000000..b910a20
--- /dev/null
+++ b/tests/pcre-context
@@ -0,0 +1,36 @@
+#!/bin/sh
+# Test Perl regex with context
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_pcre_
+
+cat >in <<'EOF'
+Preceded by 0 empty lines.
+
+Preceded by 1 empty line.
+
+
+Preceded by 2 empty lines.
+
+
+
+Preceded by 3 empty lines.
+
+
+
+
+Preceded by 4 empty lines.
+
+EOF
+test $? -eq 0 || framework_failure_
+
+printf '%s\0' \
+       'Preceded by 2 empty lines.' \
+       'Preceded by 3 empty lines.' \
+       'Preceded by 4 empty lines.' >exp || framework_failure_
+
+fail=0
+
+grep -Pzo '(?<=\n\n\n).*' in >out || fail_ 'grep -Pzo failed'
+compare exp out || fail=1
+
+Exit $fail
diff --git a/tests/pcre-count b/tests/pcre-count
new file mode 100755
index 0000000..e638635
--- /dev/null
+++ b/tests/pcre-count
@@ -0,0 +1,29 @@
+#! /bin/sh
+# grep -P / grep -Pc are inconsistent results
+# This bug affected grep versions 2.21 through 2.22.
+#
+# Copyright (C) 2015-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_pcre_
+
+fail=0
+
+printf 'a\n%032768d\nb\0\n%032768d\na\n' 0 0 > in || framework_failure_
+
+# grep will discover that the input is a binary file sooner if the
+# page size is larger, so allow for either possible output.
+printf 'a\nBinary file in matches\n' >exp1a || framework_failure_
+printf 'Binary file in matches\n' >exp1b || framework_failure_
+LC_ALL=C grep -P 'a' in >out || fail=1
+compare exp1a out || compare exp1b out || fail=1
+
+printf '2\n' >exp2 || framework_failure_
+LC_ALL=C grep -Pc 'a' in >out || fail=1
+compare exp2 out || fail=1
+
+Exit $fail
diff --git a/tests/pcre-infloop b/tests/pcre-infloop
new file mode 100755
index 0000000..2f93e70
--- /dev/null
+++ b/tests/pcre-infloop
@@ -0,0 +1,33 @@
+#!/bin/sh
+# With some versions of libpcre, apparently including 8.35,
+# the following would trigger an infinite loop in its match function.
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_timeout_
+require_en_utf8_locale_
+require_compiled_in_MB_support
+LC_ALL=en_US.UTF-8 require_pcre_
+
+printf 'a\201b\r' > in || framework_failure_
+
+fail=0
+
+LC_ALL=en_US.UTF-8 timeout 3 grep -P 'a.?..b' in
+test $? = 1 || fail_ "libpcre's match function appears to infloop"
+
+Exit $fail
diff --git a/tests/pcre-invalid-utf8-infloop b/tests/pcre-invalid-utf8-infloop
new file mode 100755
index 0000000..e96f1f5
--- /dev/null
+++ b/tests/pcre-invalid-utf8-infloop
@@ -0,0 +1,26 @@
+#! /bin/sh
+# Ensure that grep -oaP doesn't infloop for invalid multi-byte input
+#
+# Copyright (C) 2015-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_timeout_
+require_en_utf8_locale_
+require_compiled_in_MB_support
+LC_ALL=en_US.UTF-8 require_pcre_
+
+fail=0
+
+printf '\201_\0' > in || framework_failure_
+printf '_\n' > exp || framework_failure_
+
+LC_ALL=en_US.UTF-8 timeout 3 grep -aoP _ in > out 2> err || fail=1
+
+compare exp out || fail=1
+compare /dev/null err || fail=1
+
+Exit $fail
diff --git a/tests/pcre-invalid-utf8-input b/tests/pcre-invalid-utf8-input
new file mode 100755
index 0000000..fec23ae
--- /dev/null
+++ b/tests/pcre-invalid-utf8-input
@@ -0,0 +1,31 @@
+#! /bin/sh
+# Ensure that grep -P doesn't abort for invalid multi-byte input
+#
+# Copyright (C) 2013-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_timeout_
+require_en_utf8_locale_
+require_compiled_in_MB_support
+LC_ALL=en_US.UTF-8 require_pcre_
+
+fail=0
+
+printf 'j\202j\nj\nk\202\n' > in || framework_failure_
+
+LC_ALL=en_US.UTF-8 timeout 3 grep -P j in
+test $? -eq 0 || fail=1
+
+LC_ALL=en_US.UTF-8 timeout 3 grep -P 'k$' in
+test $? -eq 1 || fail=1
+
+echo k >exp
+
+LC_ALL=en_US.UTF-8 timeout 3 grep -aoP 'k*' in >out || fail=1
+compare exp out || fail=1
+
+Exit $fail
diff --git a/tests/pcre-jitstack b/tests/pcre-jitstack
new file mode 100755
index 0000000..bdae37b
--- /dev/null
+++ b/tests/pcre-jitstack
@@ -0,0 +1,52 @@
+#! /bin/sh
+# Grep 2.21 would report "grep: internal PCRE error: -27"
+#
+# Copyright 2015-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_pcre_
+
+nl_base64=$(echo | (base64) 2>/dev/null) && test "X$nl_base64" = XCg== ||
+  skip_ "your system lacks the base64 program"
+foo=$( (echo foo | gzip | gzip -d) 2>/dev/null) && test "X$foo" = Xfoo ||
+  skip_ "your system lacks the gzip program"
+
+fail=0
+
+base64 -d >pcrejit.txt.gz <<'EOF'
+H4sIAAAAAAACA+2bUU4DMQxE/7mMz5T7XwKE+IBKVLue58yk0B9EtX6xJxN7t4VaH69a6+tHrW+/
+r4e3n75KARWShSOFTtiumE3FPVyo79ATIJ0Ry0No/yXe99UIUqTGKKUzYHFJHJoaCONQDCnDSCDS
+IPAvGCVeXNsZ7lpbWFfdaZtgPos5LeK2C1TBKzD09V3HFlCOsbFT/hNbz4HzJaRjnjdam9FXw/o6
+VyPozhMmiaRYAMeNSJR1iMjBEFLMtsH7lptartfxkzPQgFVofwRlxKsMYn2KNDnU9fsOQCkRIYVT
+G80ZRqBpSQjRYPX7s9gvtqknyNE2f8V09sxHM7YPmMMJgrmVna2AT717n5fUAIDkiBCqFgWUUgKD
+8jOc0Rgj5JS6vZnQI14wkaTDAkD266p/iVHs8gjCrMFARVM0iEVgFAa9YRAQT4tkgsmloTJLmyCm
+uSHRnTkzIdZMmZ5kYX/iJFtTwu9cFvr3aDWcUx4pUW/cVQwPoQSlwguNd4M0vTpAauKodmLFXv1P
+dkcKkYUglER2Q4L4gnmOiNGzSBATwGQgwihs5/QffIhyfg4hJvM2r4Rp6L+1ibCCd4jYZ6jCiBlc
+2+y4fl4yTGIwcWXNAUEeXmu8iCMV96DNTnmRNICDk2N5qaXGbsF91OX/0hlcYTjrMfy02p9Xv70D
+mv3RZCFOAAA=
+EOF
+test $? -eq 0 || framework_failure_
+
+gzip -d pcrejit.txt || framework_failure_
+
+LC_ALL=C grep -P -n '^([/](?!/)|[^/])*~/.*' pcrejit.txt
+if test $? != 1; then
+    # The above often makes grep attempt to use an inordinate amount
+    # of stack space.  If grep fails with $? != 1, try gain, but this
+    # time with no soft limit:
+
+    # Use ulimit to remove that limit, if possible.
+    # If ulimit is not usable, just skip this test.
+    (ulimit -s unlimited; : ) || skip_ this shell lacks ulimit support
+
+    # Rerun that same test, but now with no limit on stack size:
+    (ulimit -s unlimited;
+     LC_ALL=C grep -P -n '^([/](?!/)|[^/])*~/.*' pcrejit.txt)
+    test $? = 1 || fail=1
+fi
+
+Exit $fail
diff --git a/tests/pcre-o b/tests/pcre-o
new file mode 100755
index 0000000..7c46f27
--- /dev/null
+++ b/tests/pcre-o
@@ -0,0 +1,17 @@
+#! /bin/sh
+# Ensure that grep -oP doesn't cause internal error at match.
+#
+# Copyright (C) 2014-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_pcre_
+
+fail=0
+
+echo ab | grep -oP 'a' || fail=1
+
+Exit $fail
diff --git a/tests/pcre-utf8 b/tests/pcre-utf8
new file mode 100755
index 0000000..a29b412
--- /dev/null
+++ b/tests/pcre-utf8
@@ -0,0 +1,40 @@
+#! /bin/sh
+# Ensure that, with -P, Unicode \p{} symbols are correctly matched.
+#
+# Copyright (C) 2012-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_en_utf8_locale_
+LC_ALL=en_US.UTF-8 require_pcre_
+
+fail=0
+
+echo '$' | LC_ALL=en_US.UTF-8 grep -qP '\p{S}' \
+  || skip_ 'PCRE support is compiled out, or it does not support properties'
+
+euro='\342\202\254 euro'
+printf "$euro\\n" > in || framework_failure_
+
+# The euro sign has the unicode "Symbol" property, so this must match:
+LC_ALL=en_US.UTF-8 grep -P '^\p{S}' in > out || fail=1
+compare in out || fail=1
+
+# This RE must *not* match in the C locale, because the first
+# byte is not a "Symbol".
+LC_ALL=C grep -P '^\p{S}' in > out && fail=1
+compare /dev/null out || fail=1
+
+LC_ALL=en_US.UTF-8 grep -P '^. euro$' in > out2 || fail=1
+compare in out2 || fail=1
+
+LC_ALL=en_US.UTF-8 grep -oP '. euro' in > out3 || fail=1
+compare in out3 || fail=1
+
+LC_ALL=en_US.UTF-8 grep -P '^\P{S}' in > out4
+compare /dev/null out4 || fail=1
+
+Exit $fail
diff --git a/tests/pcre-w b/tests/pcre-w
new file mode 100755
index 0000000..2c91e90
--- /dev/null
+++ b/tests/pcre-w
@@ -0,0 +1,31 @@
+#! /bin/sh
+# Before grep-2.19, grep -Pw %% would match %% enclosed in word boundaries
+#
+# Copyright (C) 2014-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_pcre_
+
+fail=0
+
+echo %aa% > in || framework_failure_
+grep -Pw aa in > out || fail=1
+compare out in || fail=1
+
+echo a%%a > in || framework_failure_
+grep -Pw %% in > out && fail=1
+compare /dev/null out || fail=1
+
+echo %%%% > in || framework_failure_
+grep -Pw %% in > out || fail=1
+compare out in || fail=1
+
+echo %% > in || framework_failure_
+grep -Pw %% in > out || fail=1
+compare out in || fail=1
+
+Exit $fail
diff --git a/tests/pcre-wx-backref b/tests/pcre-wx-backref
new file mode 100755
index 0000000..907c858
--- /dev/null
+++ b/tests/pcre-wx-backref
@@ -0,0 +1,28 @@
+#! /bin/sh
+# Before grep-2.19, grep -P and -w/-x would not with a backreference.
+#
+# Copyright (C) 2014-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_pcre_
+
+echo aa > in || framework_failure_
+echo 'grep: reference to non-existent subpattern' > exp-err \
+  || framework_failure_
+
+fail=0
+
+for xw in x w; do
+  grep -P$xw '(.)\1' in > out 2>&1 || fail=1
+  compare out in || fail=1
+
+  grep -P$xw '(.)\2' in > out 2> err && fail=1
+  compare /dev/null out || fail=1
+  compare exp-err err || fail=1
+done
+
+Exit $fail
diff --git a/tests/pcre-z b/tests/pcre-z
new file mode 100755
index 0000000..4ce9a93
--- /dev/null
+++ b/tests/pcre-z
@@ -0,0 +1,28 @@
+#!/bin/sh
+# Test Perl regex with NUL-separated input
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_pcre_
+require_en_utf8_locale_
+
+REGEX=a
+
+printf '%s\n\0' abc def ghi aaa gah > in || framework_failure_
+
+grep -z "$REGEX" in > exp 2>err || fail_ 'Cannot do BRE (grep -z) match.'
+compare /dev/null err || fail_ 'stderr not empty on grep -z.'
+
+# Sanity check the output
+test "$(grep -cz $REGEX in 2>err)" = 3 \
+    || fail_ 'Incorrect BRE (grep -cz) match.'
+compare /dev/null err || fail_ 'stderr not empty on grep -cz.'
+
+fail=0
+grep -Pz "$REGEX" in > out 2>err || fail=1
+compare exp out || fail=1
+compare /dev/null err || fail=1
+
+printf '\303\200\0' >in0 # "À" followed by a NUL.
+LC_ALL=en_US.UTF-8 grep -z . in0 >out || fail=1
+cmp in0 out || fail=1
+
+Exit $fail
diff --git a/tests/posix-bracket b/tests/posix-bracket
new file mode 100755
index 0000000..bca4303
--- /dev/null
+++ b/tests/posix-bracket
@@ -0,0 +1,34 @@
+#!/bin/sh
+# Check various bracket expressions in the POSIX locale.
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+LC_ALL=C
+export LC_ALL
+
+fail=0
+
+echo a >in || framework_failure_
+for bracketed in '[.a.]' '[.a.]-a' 'a-[.a.]' '[.a.]-[.a.]' \
+    '[=a=]' '[:alpha:]' 'a-a[.-.]--'; do
+  grep "[$bracketed]" in >out || fail=1
+  compare in out || fail=1
+  grep "[^$bracketed]" in >out
+  test $? -eq 1 || fail=1
+  compare /dev/null out || fail=1
+done
+Exit $fail
diff --git a/tests/prefix-of-multibyte b/tests/prefix-of-multibyte
new file mode 100755
index 0000000..2228a22
--- /dev/null
+++ b/tests/prefix-of-multibyte
@@ -0,0 +1,44 @@
+#!/bin/sh
+# This would mistakenly print a line prior to grep-2.18.
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_compiled_in_MB_support
+
+encode() { echo "$1" | tr ABC '\357\274\241'; }
+
+encode ABC >exp1
+encode aABC >exp2
+encode ABCABC >exp3
+encode _____________________ABCABC___ >exp4
+
+fail=0
+
+for LOC in en_US.UTF-8 $LOCALE_FR_UTF8; do
+  for pat in A aA BCA; do
+    for file in exp1 exp2 exp3 exp4; do
+      for type in regex dfa fgrep; do
+        case $type in
+          dfa) opt= prefix= ;;
+          fgrep) opt=-F prefix= ;;
+          regex) opt= prefix='\(\)\1' ;;
+        esac
+        pattern=$prefix$(encode $pat)
+        out=out-$type-$LOC
+        LC_ALL=$LOC grep $opt "$pattern" $file >$out
+        status=$?
+        echo $status >$out.status
+        if test $status -eq 0; then
+          compare $file $out
+        elif test $status -eq 1; then
+          compare_dev_null_ /dev/null $out
+        else
+          test $status -eq 2
+        fi || fail=1
+        compare out-regex-$LOC.status $out.status || fail=1
+      done
+    done
+  done
+done
+
+Exit $fail
diff --git a/tests/r-dot b/tests/r-dot
new file mode 100755
index 0000000..29aedad
--- /dev/null
+++ b/tests/r-dot
@@ -0,0 +1,20 @@
+#!/bin/sh
+# Check that "grep -r PAT" reads ".".
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+mkdir dir || framework_failure_
+echo aaa > dir/a || framework_failure_
+echo bbb > dir/b || framework_failure_
+
+echo a:aaa > exp || framework_failure_
+
+(cd dir && grep -r aaa) > out || fail=1
+compare exp out || fail=1
+
+(cd dir && grep -r aaa < a) > out || fail=1
+compare exp out || fail=1
+
+(cd dir && grep -r aaa *) > out || fail=1
+compare exp out || fail=1
+
+Exit $fail
diff --git a/tests/repetition-overflow b/tests/repetition-overflow
new file mode 100755
index 0000000..35d928b
--- /dev/null
+++ b/tests/repetition-overflow
@@ -0,0 +1,19 @@
+#!/bin/sh
+# These would fail (i.e., match erroneously) prior to grep-2.11.
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+xp1=4294967297 # 2^32+1
+xp2=4294967298 # 2^32+2
+
+fail=0
+
+# Before grep-2.11, when DFA-matching, a repetition count exceeding the
+# range of "unsigned int" would silently wrap around.   Hence, 2^32+1
+# would be treated just like "1", and both of these would mistakenly match.
+
+echo abc  | grep -E "b{$xp1}"   > out 2> /dev/null; test $? = 2 || fail=1
+compare /dev/null out || fail=1
+echo abbc | grep -E "b{1,$xp2}" > out 2> /dev/null; test $? = 2 || fail=1
+compare /dev/null out || fail=1
+
+Exit $fail
diff --git a/tests/reversed-range-endpoints b/tests/reversed-range-endpoints
new file mode 100755
index 0000000..faa33f4
--- /dev/null
+++ b/tests/reversed-range-endpoints
@@ -0,0 +1,19 @@
+#!/bin/sh
+# Ensure that an invalid range like [b-a] evokes exit status of 2.
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+printf 'Invalid range end\n' > exp
+for prog in grep 'grep -E'; do
+  $prog '[b-a]' < /dev/null > out 2>&1
+  # exit status must be 2, not 1
+  test $? = 2 || fail=1
+
+  # Remove "$prog: " prefix from actual output.
+  sed 's/^[grep]*: //' out > k && mv k out
+
+  compare exp out || fail=1
+done
+
+Exit $fail
diff --git a/tests/sjis-mb b/tests/sjis-mb
new file mode 100755
index 0000000..39459fe
--- /dev/null
+++ b/tests/sjis-mb
@@ -0,0 +1,60 @@
+#!/bin/sh
+# similar to euc-mb and fgrep-infloop, but tests SJIS encoding.
+# in this encoding, an ASCII character is both a valid single-byte
+# character, and a suffix of a valid double-byte character
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+# Add "." to PATH for the use of get-mb-cur-max.
+path_prepend_ .
+
+require_compiled_in_MB_support
+require_timeout_
+
+# Sequences used in this test ("%" and "@" become 8-bit characters, while "A"
+# is the real ASCII character for "A"):
+# - "%" becomes an half-width katakana in SJIS, but it is an invalid sequence
+#   in UTF-8.
+# - "@@" and "@A" are both valid sequences in SJIS.  We try to fool grep into
+#   matching "A" against "@A", or mistaking a valid "A" match for the second
+#   byte of a multi-byte character.
+
+encode() { echo "$1" | tr @% '\203\301'; }
+
+for locale in ja_JP.SHIFT_JIS ja_JP.SJIS ja_JP.PCK ''; do
+  test "$(get-mb-cur-max $locale)" = 2 && break
+done
+test -n "$locale" || skip_ 'SJIS locale not found'
+
+k=0
+test_grep_reject() {
+  k=$(expr $k + 1)
+  encode "$2" | \
+    LC_ALL=$locale \
+      timeout 10s grep $1 $(encode "$3") > out$k 2>&1
+  test $? = 1 && compare /dev/null out$k
+}
+
+test_grep() {
+  k=$(expr $k + 1)
+  encode "$2" > exp$k
+  LC_ALL=$locale \
+    timeout 10s grep $1 $(encode "$3") exp$k > out$k 2>&1
+  test $? = 0 && compare exp$k out$k
+}
+
+failure_tests=@A
+successful_tests='%%AA @AA @A@@A'
+
+fail=0
+for i in $successful_tests; do
+  test_grep -F $i A || fail=1
+  test_grep -E $i A || fail=1
+done
+
+for i in $failure_tests; do
+  test_grep_reject -F $i A || fail=1
+  test_grep_reject -E $i A || fail=1
+done
+
+Exit $fail
diff --git a/tests/skip-device b/tests/skip-device
new file mode 100755
index 0000000..e73bad3
--- /dev/null
+++ b/tests/skip-device
@@ -0,0 +1,16 @@
+#!/bin/sh
+# grep must ignore --devices=ACTION (-D) when reading stdin
+# For grep-2.11, this test would fail.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+# Test both with no file argument, and with "-".
+echo foo | grep -D skip foo - || fail=1
+echo foo | grep --devices=skip foo || fail=1
+
+require_timeout_
+mkfifo myfifo || framework_failure_
+timeout 2s grep -D skip foo myfifo
+test $? -eq 1 || fail=1
+
+Exit $fail
diff --git a/tests/spencer1 b/tests/spencer1
new file mode 100755
index 0000000..65503d3
--- /dev/null
+++ b/tests/spencer1
@@ -0,0 +1,21 @@
+#! /bin/sh
+# Regression test for GNU grep.
+# Copyright (C) 1988 Henry Spencer.
+# Copyright (C) 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+# . . . and the following by Henry Spencer.
+
+${AWK-awk} -f $abs_top_srcdir/tests/spencer1.awk \
+    $abs_top_srcdir/tests/spencer1.tests > spencer1.script || fail=1
+
+. ./spencer1.script || fail=1
+
+Exit 1
diff --git a/tests/spencer1-locale b/tests/spencer1-locale
new file mode 100755
index 0000000..3f202d8
--- /dev/null
+++ b/tests/spencer1-locale
@@ -0,0 +1,23 @@
+#! /bin/sh
+# Regression test for GNU grep.
+#
+# Copyright (C) 1988 Henry Spencer.
+# Copyright (C) 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+# . . . and the following by Henry Spencer.
+
+${AWK-awk} -v extra_locale=$LOCALE_FR_UTF8 \
+    -f "$abs_srcdir/spencer1-locale.awk" "$abs_srcdir/spencer1.tests" \
+  > spencer1-locale.script || fail=1
+
+${re_shell-${SHELL-sh}} spencer1-locale.script || fail=1
+
+Exit $fail
diff --git a/tests/spencer1-locale.awk b/tests/spencer1-locale.awk
new file mode 100644
index 0000000..bc92ecf
--- /dev/null
+++ b/tests/spencer1-locale.awk
@@ -0,0 +1,32 @@
+# Copyright (C) 1988 Henry Spencer.
+# Copyright (C) 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+BEGIN {
+        FS = "@";
+        printf ("failures=0\n");
+}
+
+$0 !~ /^#/  && NF == 3 {
+        test("en_US.UTF-8")
+        test("ru_RU.KOI8-R")
+        test("fr_FR.ISO-8859-1")
+        test("zh_CN")
+        if (extra_locale != "") {
+                test(extra_locale)
+        }
+}
+
+function test(locale)
+{
+        printf ("status=$(echo '%s'| { LC_ALL=%s grep -E -e '%s' >/dev/null 2>&1 ; echo $?; })\n",$3, locale, $2);
+        printf ("if test $status -ne %s ; then\n", $1);
+        printf ("\techo Spencer test \\#%d failed \\(%s\\)\n", ++n, locale);
+        printf ("\tfailures=1\n");
+        printf ("fi\n");
+}
+
+END { printf ("exit $failures\n"); }
diff --git a/tests/spencer1.awk b/tests/spencer1.awk
new file mode 100644
index 0000000..aff38f9
--- /dev/null
+++ b/tests/spencer1.awk
@@ -0,0 +1,22 @@
+# Copyright (C) 1988 Henry Spencer.
+# Copyright (C) 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+BEGIN {
+        FS = "@";
+        printf ("failures=0\n");
+}
+
+$0 !~ /^#/  && NF == 3 {
+#	printf ("status=$(echo '%s'| { grep -E -e '%s' > /dev/null 2>&1; echo $?; cat >/dev/null; })\n",$3, $2);
+        printf ("status=$(echo '%s'| { grep -E -e '%s' >/dev/null 2>&1 ; echo $?; })\n",$3, $2);
+        printf ("if test $status -ne %s ; then\n", $1);
+        printf ("\techo Spencer test \\#%d failed\n", ++n);
+        printf ("\tfailures=1\n");
+        printf ("fi\n");
+}
+
+END { printf ("exit $failures\n"); }
diff --git a/tests/spencer1.tests b/tests/spencer1.tests
new file mode 100644
index 0000000..50581e8
--- /dev/null
+++ b/tests/spencer1.tests
@@ -0,0 +1,144 @@
+0@abc@abc
+1@abc@xbc
+1@abc@axc
+1@abc@abx
+0@abc@xabcy
+0@abc@ababc
+0@ab*c@abc
+0@ab*bc@abc
+0@ab*bc@abbc
+0@ab*bc@abbbbc
+0@ab+bc@abbc
+1@ab+bc@abc
+1@ab+bc@abq
+0@ab+bc@abbbbc
+0@ab?bc@abbc
+0@ab?bc@abc
+1@ab?bc@abbbbc
+0@ab?c@abc
+0@^abc$@abc
+1@^abc$@abcc
+0@^abc@abcc
+1@^abc$@aabc
+0@abc$@aabc
+0@^@abc
+0@$@abc
+0@a.c@abc
+0@a.c@axc
+0@a.*c@axyzc
+1@a.*c@axyzd
+1@a[bc]d@abc
+0@a[bc]d@abd
+1@a[b-d]e@abd
+0@a[b-d]e@ace
+0@a[b-d]@aac
+0@a[-b]@a-
+0@a[b-]@a-
+2@a[b-a]@-
+2@a[]b@-
+2@a[@-
+0@a]@a]
+0@a[]]b@a]b
+0@a[^bc]d@aed
+1@a[^bc]d@abd
+0@a[^-b]c@adc
+1@a[^-b]c@a-c
+1@a[^]b]c@a]c
+0@a[^]b]c@adc
+0@ab|cd@abc
+0@ab|cd@abcd
+0@()ef@def
+0@()*@-
+1@*a@-
+0@^*@-
+0@$*@-
+2@(*)b@-@TO CORRECT
+1@$b@b
+2@a\@-
+0@a\(b@a(b
+0@a\(*b@ab
+0@a\(*b@a((b
+1@a\x@a\x
+1@abc)@-
+2@(abc@-
+0@((a))@abc
+0@(a)b(c)@abc
+0@a+b+c@aabbabc
+0@a**@-
+0@a*?@-
+0@(a*)*@-
+0@(a*)+@-
+0@(a|)*@-
+0@(a*|b)*@-
+0@(a+|b)*@ab
+0@(a+|b)+@ab
+0@(a+|b)?@ab
+0@[^ab]*@cde
+0@(^)*@-
+0@(ab|)*@-
+2@)(@-
+1@abc@
+1@abc@
+0@a*@
+0@([abc])*d@abbbcd
+0@([abc])*bcd@abcd
+0@a|b|c|d|e@e
+0@(a|b|c|d|e)f@ef
+0@((a*|b))*@-
+0@abcd*efg@abcdefg
+0@ab*@xabyabbbz
+0@ab*@xayabbbz
+0@(ab|cd)e@abcde
+0@[abhgefdc]ij@hij
+1@^(ab|cd)e@abcde
+0@(abc|)ef@abcdef
+0@(a|b)c*d@abcd
+0@(ab|ab*)bc@abc
+0@a([bc]*)c*@abc
+0@a([bc]*)(c*d)@abcd
+0@a([bc]+)(c*d)@abcd
+0@a([bc]*)(c+d)@abcd
+0@a[bcd]*dcdcde@adcdcde
+1@a[bcd]+dcdcde@adcdcde
+0@(ab|a)b*c@abc
+0@((a)(b)c)(d)@abcd
+0@[A-Za-z_][A-Za-z0-9_]*@alpha
+0@^a(bc+|b[eh])g|.h$@abh
+0@(bc+d$|ef*g.|h?i(j|k))@effgz
+0@(bc+d$|ef*g.|h?i(j|k))@ij
+1@(bc+d$|ef*g.|h?i(j|k))@effg
+1@(bc+d$|ef*g.|h?i(j|k))@bcdd
+0@(bc+d$|ef*g.|h?i(j|k))@reffgz
+1@((((((((((a))))))))))@-
+0@(((((((((a)))))))))@a
+0@ca{0,0}b@cb
+1@ca{0,0}b@cab
+0@ca{0,1}b@cb
+0@ca{0,1}b@cab
+1@ca{0,1}b@caab
+1@ca{1,2}b@cb
+0@ca{1,2}b@cab
+0@ca{1,2}b@caab
+1@ca{1,2}b@caaab
+1@multiple words of text@uh-uh
+0@multiple words@multiple words, yeah
+0@(.*)c(.*)@abcde
+1@\((.*),@(.*)\)
+1@[k]@ab
+0@abcd@abcd
+0@a(bc)d@abcd
+0@a[
-]?c@ac
+0@a[
]?c@ac
+0@(....).*\1@beriberi
+0@(^|\B)a@abc
+0@(^|\B)a@xyzabc
+1@(^|\B)a@xyz abc
+0@^a|\Ba@abc
+0@^a|\Ba@xyzabc
+1@^a|\Ba@xyz abc
+0@(^|\>)a@abc
+1@(^|\>)a@xyzabc
+1@(^|\>)a@xyz abc
+0@^a|\>a@abc
+1@^a|\>a@xyzabc
+1@^a|\>a@xyz abc
diff --git a/tests/status b/tests/status
new file mode 100755
index 0000000..9de98df
--- /dev/null
+++ b/tests/status
@@ -0,0 +1,72 @@
+#! /bin/sh
+# Test for status code for GNU grep.
+# status code
+#  0 match found
+#  1 no match
+#  2 file not found
+#
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+# should return 0 found a match
+echo "abcd" | grep -E -e 'abc' > /dev/null 2>&1
+if test $? -ne 0 ; then
+        echo "Status: Wrong status code, test \#1 failed"
+        fail=1
+fi
+
+# should return 1 found no match
+echo "abcd" | grep -E -e 'zbc' > /dev/null 2>&1
+if test $? -ne 1 ; then
+        echo "Status: Wrong status code, test \#2 failed"
+        fail=1
+fi
+
+# the filename MMMMMMMM.MMM should not exist hopefully
+if test -r MMMMMMMM.MMM; then
+        echo "Please remove MMMMMMMM.MMM to run check"
+else
+        # should return 2 file not found
+        grep -E -e 'abc' MMMMMMMM.MMM > /dev/null 2>&1
+        if test $? -ne 2 ; then
+                echo "Status: Wrong status code, test \#3 failed"
+                fail=1
+        fi
+
+        # should return 2 file not found
+        grep -E -s -e 'abc' MMMMMMMM.MMM > /dev/null 2>&1
+        if test $? -ne 2 ; then
+                echo "Status: Wrong status code, test \#4 failed"
+                fail=1
+        fi
+
+        # should return 2 file not found
+        echo "abcd" | grep -E -s 'abc' - MMMMMMMM.MMM > /dev/null 2>&1
+        if test $? -ne 2 ; then
+                echo "Status: Wrong status code, test \#5 failed"
+                fail=1
+        fi
+
+        # should return 0 found a match
+        echo "abcd" | grep -E -q -s 'abc' MMMMMMMM.MMM - > /dev/null 2>&1
+        if test $? -ne 0 ; then
+                echo "Status: Wrong status code, test \#6 failed"
+                fail=1
+        fi
+
+        # should still return 0 found a match
+        echo "abcd" | grep -E -q 'abc' MMMMMMMM.MMM - > /dev/null 2>&1
+        if test $? -ne 0 ; then
+                echo "Status: Wrong status code, test \#7 failed"
+                fail=1
+        fi
+fi
+
+Exit $fail
diff --git a/tests/surrogate-pair b/tests/surrogate-pair
new file mode 100755
index 0000000..93eeb5a
--- /dev/null
+++ b/tests/surrogate-pair
@@ -0,0 +1,44 @@
+#!/bin/sh
+# Trigger a segfault-inducing bug with -i in grep-2.14 on Cygwin.
+
+# Copyright (C) 2013-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_compiled_in_MB_support
+
+fail=0
+
+printf '\360\220\220\205\n' > in || framework_failure_
+
+LC_ALL=en_US.UTF-8
+export LC_ALL
+
+# On Cygwin, before grep-2.15, this would segfault.
+grep -i anything-else in > out 2>&1
+# Require not just non-zero exit status, but exactly 1.
+test $? = 1 || fail=1
+# Expect no output.
+compare /dev/null out || fail=1
+
+# Also test whether a surrogate-pair in the search string works.
+for opt in '' -i -E -F -iE -iF; do
+  grep --file=in $opt in > out 2>&1 || fail=1
+  compare out in || fail=1
+done
+
+Exit $fail
diff --git a/tests/symlink b/tests/symlink
new file mode 100755
index 0000000..a915bbe
--- /dev/null
+++ b/tests/symlink
@@ -0,0 +1,71 @@
+#!/bin/sh
+# Check that "grep -r" does the right thing with symbolic links.
+
+# Copyright (C) 2012-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# written by Paul Eggert
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+mkdir dir || framework_failure_
+echo a > dir/a || framework_failure_
+echo b > dir/b || framework_failure_
+ln -s a dir/c || framework_failure_
+ln -s . dir/d || framework_failure_
+ln -s dangling dir/e || framework_failure_
+
+touch out || framework_failure_
+
+for recursion in '' -r -R
+do
+  for files in '' '*'
+  do
+    case $recursion,$files in
+      -R,* | *,'*') expected_status=2 ;;
+      *) expected_status=0 ;;
+    esac
+
+    (cd dir && grep $recursion '^' $files <a ) >grepout
+    test $? -eq $expected_status || fail=1
+
+    case $recursion,$files in
+      ,)
+         exp='a\n' ;;
+      ,'*' | -R,)
+         exp='a:a\nb:b\nc:a\n' ;;
+      -r,)
+         exp='a:a\nb:b\n' ;;
+      -r,'*')
+         exp='a:a\nb:b\nc:a\nd/a:a\nd/b:b\n' ;;
+      -R,'*')
+         exp='a:a\nb:b\nc:a\nd/a:a\nd/b:b\nd/c:a\n' ;;
+      *)
+         framework_failure_ ;;
+    esac
+
+    printf "$exp" >exp || framework_failure_
+
+    LC_ALL=C sort grepout >out-t || fail=1
+
+    # Ignore "Binary file d matches" on systems for which
+    # reading from a directory actually succeeds.
+    grep -v Binary out-t > out; case $? in 0|1) ;; *) fail=1;; esac
+
+    compare exp out || fail=1
+  done
+done
+
+Exit $fail
diff --git a/tests/triple-backref b/tests/triple-backref
new file mode 100755
index 0000000..3d36c05
--- /dev/null
+++ b/tests/triple-backref
@@ -0,0 +1,18 @@
+#! /bin/sh
+# Test for a bug in glibc's regex code as of September 7, 2014.
+#
+# Copyright (C) 2014-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+echo a > in || framework_failure_
+
+fail=0
+grep -E '(.?)(.?)(.?)\3\2\1' in > out || fail=1
+compare out in || fail=1
+
+Exit $fail
diff --git a/tests/turkish-I b/tests/turkish-I
new file mode 100755
index 0000000..43becea
--- /dev/null
+++ b/tests/turkish-I
@@ -0,0 +1,33 @@
+#!/bin/sh
+# grep -i in UTF-8: missing NL in output on line containing I WITH DOT (U+0130)
+
+# Copyright (C) 2011-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_compiled_in_MB_support
+
+fail=0
+
+i='\304\260'
+printf "$i$i$i$i$i$i$i\n" > in || framework_failure_
+
+LC_ALL=en_US.UTF-8 grep -i .... in > out || fail=1
+
+compare out in || fail=1
+
+Exit $fail
diff --git a/tests/turkish-I-without-dot b/tests/turkish-I-without-dot
new file mode 100755
index 0000000..69215de
--- /dev/null
+++ b/tests/turkish-I-without-dot
@@ -0,0 +1,55 @@
+#!/bin/sh
+# grep -i would misbehave for any matched line containing a character
+# (like "I" in the tr_TR.utf8 locale) whose lower-case representation
+# occupies more bytes (two in this case, for 0xc4b1, aka U+0131).
+
+# Copyright (C) 2011-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_tr_utf8_locale_
+require_compiled_in_MB_support
+
+# Before this change, grep could print a lot of uninitialized memory:
+# $ printf "IIIIIII\n" > in
+# $ for i in $(seq 10); do LC_ALL=tr_TR.utf8 src/grep -i . in|wc -c; done
+# 760
+# 754
+# 585
+# 298
+# 273
+# 458
+# 660
+# 552
+# 936
+# 678
+
+fail=0
+
+printf "IIIIIII\n" > in || framework_failure_
+LC_ALL=tr_TR.utf8 grep -i .... in > out || fail=1
+compare out in || fail=1
+
+# Also exercise the case in which the original string and the lower-case
+# buffer have precisely the same length (22 bytes here), yet internal
+# offsets do differ.  Lengths are the same because while some bytes shrink
+# when converted to lower case, others grow, and here they balance out.
+i='I\304\260'
+printf "$i$i$i$i$i$i$i\n" > in || framework_failure_
+LC_ALL=tr_TR.utf8 grep -i .... in > out || fail=1
+compare out in || fail=1
+
+Exit $fail
diff --git a/tests/turkish-eyes b/tests/turkish-eyes
new file mode 100755
index 0000000..b57df8e
--- /dev/null
+++ b/tests/turkish-eyes
@@ -0,0 +1,46 @@
+#!/bin/sh
+# Ensure that case-insensitive matching works with all Turkish i's
+
+# Copyright (C) 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_compiled_in_MB_support
+
+fail=0
+
+L=tr_TR.UTF-8
+
+# Check for a broken tr_TR.UTF-8 locale definition.
+# In this locale, 'i' is not a lower-case 'I'.
+echo I | LC_ALL=$L grep -i i > /dev/null \
+    && skip_ "your $L locale appears to be broken"
+
+# Ensure that this matches:
+# printf 'I:İ ı:i\n'|LC_ALL=tr_TR.utf8 grep -i 'ı:i I:İ'
+I=$(printf '\304\260') # capital I with dot
+i=$(printf '\304\261') # lowercase dotless i
+
+      data="I:$I $i:i"
+search_str="$i:i I:$I"
+printf "$data\n" > in || framework_failure_
+
+for opt in -E -F -G; do
+  LC_ALL=$L grep $opt -i "$search_str" in > out || fail=1
+  compare out in || fail=1
+done
+
+Exit $fail
diff --git a/tests/two-files b/tests/two-files
new file mode 100755
index 0000000..1b52e3f
--- /dev/null
+++ b/tests/two-files
@@ -0,0 +1,22 @@
+#! /bin/sh
+# Read two files, of increasing size.
+# With ASAN, this would have triggered a false-positive read of poisoned memory.
+#
+# Copyright 2015-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+printf a > 1 || framework_failure_
+printf ab > 2 || framework_failure_
+
+grep x 1 2 > out 2>&1
+test $? -eq 1 || fail=1
+compare /dev/null out || fail=1
+
+Exit $fail
diff --git a/tests/unibyte-binary b/tests/unibyte-binary
new file mode 100755
index 0000000..11325ee
--- /dev/null
+++ b/tests/unibyte-binary
@@ -0,0 +1,32 @@
+#!/bin/sh
+# Test binary files in unibyte locales with encoding errors
+
+# Copyright 2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_unibyte_locale
+
+fail=0
+
+printf 'a\n\200\nb\n' >in || framework_failure_
+printf 'a\nBinary file in matches\n' >exp || framework_failure_
+grep . in >out || fail=1
+
+# In some unibyte locales, \200 is an encoding error;
+# in others, it is a valid character.  Allow either possibility.
+compare exp out || compare in out || fail=1
+
+Exit $fail
diff --git a/tests/unibyte-bracket-expr b/tests/unibyte-bracket-expr
new file mode 100755
index 0000000..68c475c
--- /dev/null
+++ b/tests/unibyte-bracket-expr
@@ -0,0 +1,43 @@
+#!/bin/sh
+# Exercise a DFA range bug that arises only with a unibyte encoding
+# for which the wide-char-to-single-byte mapping is nontrivial.
+# E.g., the regexp, [C] would fail to match C in a unibyte locale like
+# ru_RU.KOI8-R for any C whose wide-char representation differed from
+# its single-byte equivalent.
+
+# Copyright (C) 2011-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_ru_RU_koi8_r
+LC_ALL=ru_RU.KOI8-R
+export LC_ALL
+
+fail=0
+
+i=128
+while :; do
+  in=in-$i
+  octal=$(printf '%03o' $i)
+  b=$(printf "\\$octal")
+  echo "$b" > $in || framework_failure_
+  grep "[$b]" $in > out || fail=1
+  compare out $in || fail=1
+
+  test $i = 255 && break
+  i=$(expr $i + 1)
+done
+
+Exit $fail
diff --git a/tests/unibyte-negated-circumflex b/tests/unibyte-negated-circumflex
new file mode 100755
index 0000000..03e448a
--- /dev/null
+++ b/tests/unibyte-negated-circumflex
@@ -0,0 +1,27 @@
+#!/bin/sh
+# Exercise a bug where [^^-^] was treated as if it were [^-^].
+
+# Copyright 2014-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_unibyte_locale
+
+fail=0
+
+echo a >in || framework_failure_
+grep '[^^-^]' in >out || fail=1
+compare out in || fail=1
+Exit $fail
diff --git a/tests/utf8-bracket b/tests/utf8-bracket
new file mode 100755
index 0000000..e85877c
--- /dev/null
+++ b/tests/utf8-bracket
@@ -0,0 +1,40 @@
+#!/bin/sh
+# Check bracket expressions in a UTF-8 locale.
+
+# Copyright 2015-2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_en_utf8_locale_
+
+printf '1\n2\n' >in || framework_failure_
+
+fail=0
+
+for locale in C en_US.UTF-8; do
+  for options in -qz -qzE; do
+    case $options in
+      *E*) parens='()';;
+      *) parens='\(\)';;
+    esac
+    for pattern in '1.2' '[12].2' '[1-2].2' '[1-2][^a][1-2]'; do
+      for suffix in '' "$parens\\1"; do
+        LC_ALL=$locale grep $options "$pattern$suffix" in || fail=1
+      done
+    done
+  done
+done
+
+Exit $fail
diff --git a/tests/warn-char-classes b/tests/warn-char-classes
new file mode 100755
index 0000000..1069059
--- /dev/null
+++ b/tests/warn-char-classes
@@ -0,0 +1,47 @@
+#!/bin/sh
+# Use of any --include or --exclude* option would segfault in 2.6 and 2.6.1
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+echo f > x || framework_failure_
+echo b >> x || framework_failure_
+echo h >> x || framework_failure_
+printf 'grep: character class syntax is [[:space:]], not [:space:]\n' \
+  > exp-err || framework_failure_
+
+# basic cases
+
+grep '[:space:]' x 2> err
+test $? = 2 || fail=1
+sed 's/^\([A-Za-z]:\)\{0,1\}[^: ]*: /grep: /' err > err1 && mv err1 err
+compare exp-err err || fail=1
+
+grep '[[:space:]]' x 2> err
+test $? = 1 || fail=1
+test -s err && fail=1
+
+# disabled by POSIXLY_CORRECT
+POSIXLY_CORRECT=yes grep '[:space:]' x 2> err
+test $? = 1 || fail=1
+test -s err && fail=1
+
+# patterns that are considered valid
+grep '[::]' x 2> err
+test $? = 1 || fail=1
+test -s err && fail=1
+
+grep '[:space]' x 2> err
+test $? = 1 || fail=1
+test -s err && fail=1
+
+grep '[:space:wxyz]' x 2> err
+test $? = 1 || fail=1
+test -s err && fail=1
+
+grep '[:space[:space:]:]' x 2> err
+test $? = 1 || fail=1
+test -s err && fail=1
+
+grep '[:spac-e:]' x 2> err
+test $? = 1 || fail=1
+test -s err && fail=1
+Exit $fail
diff --git a/tests/word-delim-multibyte b/tests/word-delim-multibyte
new file mode 100755
index 0000000..f65298f
--- /dev/null
+++ b/tests/word-delim-multibyte
@@ -0,0 +1,27 @@
+#!/bin/sh
+# exercise \< and \> with multibyte data.
+# Derived from http://savannah.gnu.org/bugs/?29537
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+
+e_acute=$(printf '\303\251')
+echo "$e_acute" > in || framework_failure_
+LC_ALL=en_US.UTF-8
+export LC_ALL
+
+fail=0
+
+grep "\\<$e_acute" in > out 2>err || fail=1
+compare out in || fail=1
+compare /dev/null err || fail=1
+
+grep "$e_acute\\>" in > out 2>err || fail=1
+compare out in || fail=1
+compare /dev/null err || fail=1
+
+grep -w "$e_acute" in > out 2>err || fail=1
+compare out in || fail=1
+compare /dev/null err || fail=1
+
+Exit $fail
diff --git a/tests/word-multi-file b/tests/word-multi-file
new file mode 100755
index 0000000..1816d60
--- /dev/null
+++ b/tests/word-multi-file
@@ -0,0 +1,29 @@
+#!/bin/sh
+# exercise the -w option on multiple files
+# Derived from http://bugzilla.redhat.com/570500
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+mkdir a || framework_failure_
+( cd a \
+    && echo aa bb cc > 1 \
+    && echo bb dd ff > 2 \
+    && echo ff gg hh > 3 \
+    && echo bb xx zz > 4 \
+) || framework_failure_
+
+cat << \EOF > exp1 || framework_failure_
+a/1:aa bb cc
+a/2:bb dd ff
+a/4:bb xx zz
+EOF
+sed s/..// exp1 > exp2 || framework_failure_
+
+fail=0
+grep -rw bb a > out || fail=1
+sort < out > k; mv k out
+compare exp1 out || fail=1
+
+(cd a && grep -w bb [1-4]) > out || fail=1
+compare exp2 out || fail=1
+
+Exit $fail
diff --git a/tests/word-multibyte b/tests/word-multibyte
new file mode 100755
index 0000000..9cbb71f
--- /dev/null
+++ b/tests/word-multibyte
@@ -0,0 +1,30 @@
+#!/bin/sh
+# This would fail for grep-2.20
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+
+e_acute=$(printf '\303\251')
+printf "$e_acute\n" > in || framework_failure_
+
+# Use this locale only if it is installed.
+zh=zh_CN.UTF-8
+path_prepend_ .
+case $(get-mb-cur-max $zh) in
+  [456]) ;;
+  *) zh=;;
+esac
+
+fail=0
+
+for LOC in en_US.UTF-8 $zh $LOCALE_FR_UTF8; do
+  out=out1-$LOC
+  LC_ALL=$LOC grep '\w' in >$out || fail=1
+  compare in $out || fail=1
+
+  out=out2-$LOC
+  LC_ALL=$LOC grep '\W' in >$out && fail=1
+  compare /dev/null $out || fail=1
+done
+
+Exit $fail
diff --git a/tests/write-error-msg b/tests/write-error-msg
new file mode 100755
index 0000000..130648b
--- /dev/null
+++ b/tests/write-error-msg
@@ -0,0 +1,55 @@
+#!/bin/sh
+# Ensure that output errors are reported with errno information.
+
+# Copyright 2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+test -e /dev/full || skip_ your system lacks /dev/full
+
+export LC_ALL=C
+
+# generate large input, filling the libc stdio buffers
+# and triggering a write(2) even without line buffering.
+yes 12345 | head -n 50000 > in || framework_failure_
+
+fail=0
+
+# disk-full error, line buffered
+# (note: GNU grep returns 2 on error)
+returns_ 2 grep --line-buffered -v '^$' <in >/dev/full 2>err1 \
+    || framework_failure_
+
+# disk-full error, unbuffered
+# (note: GNU grep returns 2 on error)
+returns_ 2 grep -v '^$' <in >/dev/full 2>err2 \
+    || framework_failure_
+
+# ensure each error message file contains a 'write error' with additional text
+for f in err1 err2 ;
+do
+    grep -Eiq '^grep: write error: [a-z]+' $f \
+        || {
+             warn_ "incorrect/missing error message in file $f"
+             compare /dev/null $f   # print the content in the logs
+             fail=1
+           }
+done
+
+# These messages should be identical
+compare err1 err2 \
+    || { warn_ "err1,err2 contain different error messages" ; fail=1 ; }
+
+Exit $fail
diff --git a/tests/yesno b/tests/yesno
new file mode 100755
index 0000000..fd8d4ec
--- /dev/null
+++ b/tests/yesno
@@ -0,0 +1,135 @@
+#! /bin/sh
+# Test feature interaction of -C, -v, -o, and -m.
+#
+# Copyright (C) 2001, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.
+#
+# This set of tests was started by Charles Levert.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+: ${VERBOSE=}  # empty or "1"
+failures=0
+
+# Lines, including terminating LF, contain 10 octets.
+# The words "yes" and "no" are at zero-based octet offsets of 5, 15, ...
+yn='yesno.txt'
+cat > "$yn" <<EOF
+[A01 no ]
+[B02 no ]
+[C03 yes]
+[D04 yes]
+[E05 yes]
+[F06 no ]
+[G07 no ]
+[H08 yes]
+[I09 yes]
+[J10 no ]
+[K11 no ]
+[L12 no ]
+[M13 yes]
+[N14 yes]
+EOF
+# Noticed the symmetry?
+
+# All possible output substrings (lines):
+#      selected whole,         rejected whole, never-read whole,   selected part,   rejected part.
+   A='1:0:[A01 no ]/';    rA='1-0-[A01 no ]/'; XA='X[A01 no ]/';
+  B='2:10:[B02 no ]/';   rB='2-10-[B02 no ]/'; XB='X[B02 no ]/';
+  C='3:20:[C03 yes]/';   rC='3-20-[C03 yes]/'; XC='X[C03 yes]/';   c='3:25:yes/';   rc='3-25-yes/'
+  D='4:30:[D04 yes]/';   rD='4-30-[D04 yes]/'; XD='X[D04 yes]/';   d='4:35:yes/';   rd='4-35-yes/'
+  E='5:40:[E05 yes]/';   rE='5-40-[E05 yes]/'; XE='X[E05 yes]/';   e='5:45:yes/';   re='5-45-yes/'
+  F='6:50:[F06 no ]/';   rF='6-50-[F06 no ]/'; XF='X[F06 no ]/';
+  G='7:60:[G07 no ]/';   rG='7-60-[G07 no ]/'; XG='X[G07 no ]/';
+  H='8:70:[H08 yes]/';   rH='8-70-[H08 yes]/'; XH='X[H08 yes]/';   h='8:75:yes/';   rh='8-75-yes/'
+  I='9:80:[I09 yes]/';   rI='9-80-[I09 yes]/'; XI='X[I09 yes]/';   i='9:85:yes/';   ri='9-85-yes/'
+ J='10:90:[J10 no ]/';  rJ='10-90-[J10 no ]/'; XJ='X[J10 no ]/';
+K='11:100:[K11 no ]/'; rK='11-100-[K11 no ]/'; XK='X[K11 no ]/';
+L='12:110:[L12 no ]/'; rL='12-110-[L12 no ]/'; XL='X[L12 no ]/';
+M='13:120:[M13 yes]/'; rM='13-120-[M13 yes]/'; XM='X[M13 yes]/'; m='13:125:yes/'; rm='13-125-yes/'
+N='14:130:[N14 yes]/'; rN='14-130-[N14 yes]/'; XN='X[N14 yes]/'; n='14:135:yes/'; rn='14-135-yes/'
+# Group separators.
+s='--/'
+S='XYZ/'
+# Exit statuses.
+z0='?0/'
+z1='?1/'
+z2='?2/'
+
+# What needs fixing?  Specification, documentation, implementation, or this?
+# The individual tests.
+set x \
+  ''                "$C$D$E$H$I$M$N$z0" \
+  '-o'              "$c$d$e$h$i$m$n$z0" \
+  '-C,1'            "$rB$C$D$E$rF$rG$H$I$rJ$s$rL$M$N$z0" \
+  '-C,1,-o'         "$c$d$e$h$i$s$m$n$z0" \
+  '-C,1,-o,--group=XYZ' "$c$d$e$h$i$S$m$n$z0" \
+  '-C,1,-o,--no-gr' "$c$d$e$h$i$m$n$z0" \
+  '-C,4,-1'         "$rB$C$D$E$rF$rG$H$I$rJ$s$rL$M$N$z0" \
+  '-C,1,--group=XYZ' "$rB$C$D$E$rF$rG$H$I$rJ$S$rL$M$N$z0" \
+  '-C,1,--no-gr'    "$rB$C$D$E$rF$rG$H$I$rJ$rL$M$N$z0" \
+  '-m,4'            "$C$D$E$H$z0$XI$XJ$XK$XL$XM$XN" \
+  '-m,4,-o'         "$c$d$e$h$z0$XI$XJ$XK$XL$XM$XN" \
+  '-m,4,-C,1'       "$rB$C$D$E$rF$rG$H$z0$XI$XJ$XK$XL$XM$XN" \
+  '-m,4,-C,1,-o'    "$c$d$e$h$z0$XI$XJ$XK$XL$XM$XN" \
+  '-m,5'            "$C$D$E$H$I$z0$XJ$XK$XL$XM$XN" \
+  '-m,5,-o'         "$c$d$e$h$i$z0$XJ$XK$XL$XM$XN" \
+  '-m,5,-C,1,-o'    "$c$d$e$h$i$z0$XJ$XK$XL$XM$XN" \
+  '-m,6'            "$C$D$E$H$I$M$z0$XN" \
+  '-m,6,-o'         "$c$d$e$h$i$m$z0$XN" \
+  '-m,6,-C,1'       "$rB$C$D$E$rF$rG$H$I$rJ$s$rL$M$z0$XN" \
+  '-m,6,-C,1,-o'    "$c$d$e$h$i$s$m$z0$XN" \
+  '-v'              "$A$B$F$G$J$K$L$z0" \
+  '-v,-o'           "$z0" \
+  '-v,-C,1'         "$A$B$rC$s$rE$F$G$rH$rI$J$K$L$rM$z0" \
+  '-v,-C,1,-o'      "$rc$s$re$rh$ri$rm$z0" \
+  '-v,-C,1,--group=XYZ' "$A$B$rC$S$rE$F$G$rH$rI$J$K$L$rM$z0" \
+  '-v,-C,1,--no-gr' "$A$B$rC$rE$F$G$rH$rI$J$K$L$rM$z0" \
+  '-4,-1'           "$rB$C$D$E$rF$rG$H$I$rJ$s$rL$M$N$z0" \
+  '-4,-v,-1'        "$A$B$rC$s$rE$F$G$rH$rI$J$K$L$rM$z0" \
+  '-m,1,-v'         "$A$z0$XB$XC$XD$XE$XF$XG$XH$XI$XJ$XK$XL$XM$XN" \
+  '-m,1,-v,-o'      "$z0$XB$XC$XD$XE$XF$XG$XH$XI$XJ$XK$XL$XM$XN" \
+  '-m,1,-v,-C,1'    "$A$z0$XB$XC$XD$XE$XF$XG$XH$XI$XJ$XK$XL$XM$XN" \
+  '-m,1,-v,-C,1,-o' "$z0$XB$XC$XD$XE$XF$XG$XH$XI$XJ$XK$XL$XM$XN" \
+  '-m,2,-v'         "$A$B$z0$XC$XD$XE$XF$XG$XH$XI$XJ$XK$XL$XM$XN" \
+  '-m,2,-v,-o'      "$z0$XC$XD$XE$XF$XG$XH$XI$XJ$XK$XL$XM$XN" \
+  '-m,3,-v'         "$A$B$F$z0$XG$XH$XI$XJ$XK$XL$XM$XN" \
+  '-m,3,-v,-o'      "$z0$XG$XH$XI$XJ$XK$XL$XM$XN" \
+  '-m,3,-v,-C,1'    "$A$B$rC$s$rE$F$z0$XG$XH$XI$XJ$XK$XL$XM$XN" \
+  '-m,3,-v,-C,1,-o' "$rc$s$re$z0$XG$XH$XI$XJ$XK$XL$XM$XN" \
+  x
+shift
+# Comment out cases that are known to fail. These should be uncommented after the 2.5.4 release. TAA.
+# These should be added back in above and fixed in the code. TAA.
+#  '-m,5,-C,1'       "$rB$C$D$E$rF$rG$H$I$z0$XJ$XK$XL$XM$XN" \
+#  '-m,2,-v,-C,1'    "$A$B$z0$XC$XD$XE$XF$XG$XH$XI$XJ$XK$XL$XM$XN" \
+#  '-m,2,-v,-C,1,-o' "$z0$XC$XD$XE$XF$XG$XH$XI$XJ$XK$XL$XM$XN" \
+
+# Test execution and reporting.
+t=1
+while test xx != "x$1"; do
+  opts=$(echo "$1" | sed 's/,/ /g')
+  expect="$2"
+  shift 2
+
+  output=$({ grep -F -n -b $opts yes 2>/dev/null; echo "?$?"; sed 's!^!X!'; } < "$yn" | tr '\n' '/')
+
+  if test "$output" != "$expect" || test "$VERBOSE" = "1"; then
+    echo " Test #$t:  { grep -F -n -b $opts yes; echo \"?\$?\"; sed 's!^!X!'; }"
+    echo "  output:  \"$output\""
+  fi
+  if test "$output" != "$expect"; then
+    echo "  expect:  \"$expect\""
+    echo '    FAIL'
+    failures=1
+  elif test "$VERBOSE" = "1"; then
+    echo '    PASS'
+  fi
+
+  t=$(expr $t + 1)
+done
+
+Exit $failures
diff --git a/tests/z-anchor-newline b/tests/z-anchor-newline
new file mode 100755
index 0000000..c12dd1e
--- /dev/null
+++ b/tests/z-anchor-newline
@@ -0,0 +1,42 @@
+#!/bin/sh
+# grep -z with an anchor in the regex could mistakenly match text
+# including a newline.
+
+# Copyright 2016 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+require_compiled_in_MB_support
+LC_ALL=en_US.UTF-8
+
+printf 'a\nb\0' > in || framework_failure_
+
+fail=0
+
+# These three would all mistakenly match, because the [a-b] range
+# forced the non-DFA (regexp-using) code path.
+returns_ 1 grep -z '^[a-b]*$' in || fail=1
+returns_ 1 grep -z 'a[a-b]*$' in || fail=1
+returns_ 1 grep -z '^[a-b]*b' in || fail=1
+
+# Test these for good measure; they exercise the DFA code path
+# and always worked
+returns_ 1 grep -z '^[ab]*$' in || fail=1
+returns_ 1 grep -z 'a[ab]*$' in || fail=1
+returns_ 1 grep -z '^[ab]*b' in || fail=1
+
+Exit $fail