build: Remove obsolete m4 files.

* m4/glibc2.m4, m4/glibc21.m4, m4/intdiv0.m4, m4/intmax.m4: Remove.
* m4/inttypes-h.m4, m4/inttypes-pri.m4, m4/inttypes.m4: Remove.
* m4/inttypes_h.m4, m4/isc-posix.m4, m4/lcmessage.m4: Remove.
* m4/lib-ld.m4, m4/lib-link.m4, m4/lib-prefix.m4: Remove.
* m4/longdouble.m4, m4/longlong.m4, m4/nls.m4, m4/po.m4: Remove.
* m4/printf-posix.m4, m4/progtest.m4, m4/signed.m4: Remove.
* m4/size_max.m4, m4/stdint_h.m4, m4/uintmax_t.m4: Remove.
* m4/ulonglong.m4, m4/visibility.m4, m4/wchar_t.m4: Remove.
* m4/wint_t.m4, m4/xsize.m4: Remove.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>

28 files changed, 0 insertions, 2375 deletions

diff --git a/m4/glibc2.m4 b/m4/glibc2.m4
deleted file mode 100644
index e8f5bfe..0000000
--- a/m4/glibc2.m4
+++ /dev/null
@@ -1,30 +0,0 @@
-# glibc2.m4 serial 1
-dnl Copyright (C) 2000-2002, 2004 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-# Test for the GNU C Library, version 2.0 or newer.
-# From Bruno Haible.
-
-AC_DEFUN([gt_GLIBC2],
-  [
-    AC_CACHE_CHECK(whether we are using the GNU C Library 2 or newer,
-      ac_cv_gnu_library_2,
-      [AC_EGREP_CPP([Lucky GNU user],
-	[
-#include <features.h>
-#ifdef __GNU_LIBRARY__
- #if (__GLIBC__ >= 2)
-  Lucky GNU user
- #endif
-#endif
-	],
-	ac_cv_gnu_library_2=yes,
-	ac_cv_gnu_library_2=no)
-      ]
-    )
-    AC_SUBST(GLIBC2)
-    GLIBC2="$ac_cv_gnu_library_2"
-  ]
-)
diff --git a/m4/glibc21.m4 b/m4/glibc21.m4
deleted file mode 100644
index d95fd98..0000000
--- a/m4/glibc21.m4
+++ /dev/null
@@ -1,30 +0,0 @@
-# glibc21.m4 serial 3
-dnl Copyright (C) 2000-2002, 2004 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-# Test for the GNU C Library, version 2.1 or newer.
-# From Bruno Haible.
-
-AC_DEFUN([gl_GLIBC21],
-  [
-    AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
-      ac_cv_gnu_library_2_1,
-      [AC_EGREP_CPP([Lucky GNU user],
-	[
-#include <features.h>
-#ifdef __GNU_LIBRARY__
- #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
-  Lucky GNU user
- #endif
-#endif
-	],
-	ac_cv_gnu_library_2_1=yes,
-	ac_cv_gnu_library_2_1=no)
-      ]
-    )
-    AC_SUBST(GLIBC21)
-    GLIBC21="$ac_cv_gnu_library_2_1"
-  ]
-)
diff --git a/m4/intdiv0.m4 b/m4/intdiv0.m4
deleted file mode 100644
index b8d7817..0000000
--- a/m4/intdiv0.m4
+++ /dev/null
@@ -1,70 +0,0 @@
-# intdiv0.m4 serial 1 (gettext-0.11.3)
-dnl Copyright (C) 2002 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-
-AC_DEFUN([gt_INTDIV0],
-[
-  AC_REQUIRE([AC_PROG_CC])dnl
-  AC_REQUIRE([AC_CANONICAL_HOST])dnl
-
-  AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
-    gt_cv_int_divbyzero_sigfpe,
-    [
-      AC_TRY_RUN([
-#include <stdlib.h>
-#include <signal.h>
-
-static void
-#ifdef __cplusplus
-sigfpe_handler (int sig)
-#else
-sigfpe_handler (sig) int sig;
-#endif
-{
-  /* Exit with code 0 if SIGFPE, with code 1 if any other signal.  */
-  exit (sig != SIGFPE);
-}
-
-int x = 1;
-int y = 0;
-int z;
-int nan;
-
-int main ()
-{
-  signal (SIGFPE, sigfpe_handler);
-/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP.  */
-#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
-  signal (SIGTRAP, sigfpe_handler);
-#endif
-/* Linux/SPARC yields signal SIGILL.  */
-#if defined (__sparc__) && defined (__linux__)
-  signal (SIGILL, sigfpe_handler);
-#endif
-
-  z = x / y;
-  nan = y / y;
-  exit (1);
-}
-], gt_cv_int_divbyzero_sigfpe=yes, gt_cv_int_divbyzero_sigfpe=no,
-        [
-          # Guess based on the CPU.
-          case "$host_cpu" in
-            alpha* | i[34567]86 | m68k | s390*)
-              gt_cv_int_divbyzero_sigfpe="guessing yes";;
-            *)
-              gt_cv_int_divbyzero_sigfpe="guessing no";;
-          esac
-        ])
-    ])
-  case "$gt_cv_int_divbyzero_sigfpe" in
-    *yes) value=1;;
-    *) value=0;;
-  esac
-  AC_DEFINE_UNQUOTED(INTDIV0_RAISES_SIGFPE, $value,
-    [Define if integer division by zero raises signal SIGFPE.])
-])
diff --git a/m4/intmax.m4 b/m4/intmax.m4
deleted file mode 100644
index d99c999..0000000
--- a/m4/intmax.m4
+++ /dev/null
@@ -1,30 +0,0 @@
-# intmax.m4 serial 2 (gettext-0.14.2)
-dnl Copyright (C) 2002-2005 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-dnl Test whether the system has the 'intmax_t' type, but don't attempt to
-dnl find a replacement if it is lacking.
-
-AC_DEFUN([gt_TYPE_INTMAX_T],
-[
-  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
-  AC_REQUIRE([gl_AC_HEADER_STDINT_H])
-  AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t,
-    [AC_TRY_COMPILE([
-#include <stddef.h>
-#include <stdlib.h>
-#if HAVE_STDINT_H_WITH_UINTMAX
-#include <stdint.h>
-#endif
-#if HAVE_INTTYPES_H_WITH_UINTMAX
-#include <inttypes.h>
-#endif
-], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)])
-  if test $gt_cv_c_intmax_t = yes; then
-    AC_DEFINE(HAVE_INTMAX_T, 1,
-      [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
-  fi
-])
diff --git a/m4/inttypes-h.m4 b/m4/inttypes-h.m4
deleted file mode 100644
index d7ec94c..0000000
--- a/m4/inttypes-h.m4
+++ /dev/null
@@ -1,25 +0,0 @@
-# inttypes-h.m4 serial 1 (gettext-0.15)
-dnl Copyright (C) 1997-2002, 2006 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Paul Eggert.
-
-# Define HAVE_INTTYPES_H if <inttypes.h> exists and doesn't clash with
-# <sys/types.h>.
-
-AC_DEFUN([gl_HEADER_INTTYPES_H],
-[
-  AC_CACHE_CHECK([for inttypes.h], gl_cv_header_inttypes_h,
-  [
-    AC_TRY_COMPILE(
-      [#include <sys/types.h>
-#include <inttypes.h>],
-      [], gl_cv_header_inttypes_h=yes, gl_cv_header_inttypes_h=no)
-  ])
-  if test $gl_cv_header_inttypes_h = yes; then
-    AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H, 1,
-      [Define if <inttypes.h> exists and doesn't clash with <sys/types.h>.])
-  fi
-])
diff --git a/m4/inttypes-pri.m4 b/m4/inttypes-pri.m4
deleted file mode 100644
index ef00da7..0000000
--- a/m4/inttypes-pri.m4
+++ /dev/null
@@ -1,30 +0,0 @@
-# inttypes-pri.m4 serial 2 (gettext-0.15)
-dnl Copyright (C) 1997-2002, 2006 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-
-# Define PRI_MACROS_BROKEN if <inttypes.h> exists and defines the PRI*
-# macros to non-string values.  This is the case on AIX 4.3.3.
-
-AC_DEFUN([gt_INTTYPES_PRI],
-[
-  AC_REQUIRE([gl_HEADER_INTTYPES_H])
-  if test $gl_cv_header_inttypes_h = yes; then
-    AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken],
-      gt_cv_inttypes_pri_broken,
-      [
-        AC_TRY_COMPILE([#include <inttypes.h>
-#ifdef PRId32
-char *p = PRId32;
-#endif
-], [], gt_cv_inttypes_pri_broken=no, gt_cv_inttypes_pri_broken=yes)
-      ])
-  fi
-  if test "$gt_cv_inttypes_pri_broken" = yes; then
-    AC_DEFINE_UNQUOTED(PRI_MACROS_BROKEN, 1,
-      [Define if <inttypes.h> exists and defines unusable PRI* macros.])
-  fi
-])
diff --git a/m4/inttypes.m4 b/m4/inttypes.m4
deleted file mode 100644
index 779bcea..0000000
--- a/m4/inttypes.m4
+++ /dev/null
@@ -1,25 +0,0 @@
-# inttypes.m4 serial 1 (gettext-0.11.4)
-dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Paul Eggert.
-
-# Define HAVE_INTTYPES_H if <inttypes.h> exists and doesn't clash with
-# <sys/types.h>.
-
-AC_DEFUN([gt_HEADER_INTTYPES_H],
-[
-  AC_CACHE_CHECK([for inttypes.h], gt_cv_header_inttypes_h,
-  [
-    AC_TRY_COMPILE(
-      [#include <sys/types.h>
-#include <inttypes.h>],
-      [], gt_cv_header_inttypes_h=yes, gt_cv_header_inttypes_h=no)
-  ])
-  if test $gt_cv_header_inttypes_h = yes; then
-    AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H, 1,
-      [Define if <inttypes.h> exists and doesn't clash with <sys/types.h>.])
-  fi
-])
diff --git a/m4/inttypes_h.m4 b/m4/inttypes_h.m4
deleted file mode 100644
index a5d075d..0000000
--- a/m4/inttypes_h.m4
+++ /dev/null
@@ -1,26 +0,0 @@
-# inttypes_h.m4 serial 6
-dnl Copyright (C) 1997-2004 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Paul Eggert.
-
-# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
-# doesn't clash with <sys/types.h>, and declares uintmax_t.
-
-AC_DEFUN([gl_AC_HEADER_INTTYPES_H],
-[
-  AC_CACHE_CHECK([for inttypes.h], gl_cv_header_inttypes_h,
-  [AC_TRY_COMPILE(
-    [#include <sys/types.h>
-#include <inttypes.h>],
-    [uintmax_t i = (uintmax_t) -1;],
-    gl_cv_header_inttypes_h=yes,
-    gl_cv_header_inttypes_h=no)])
-  if test $gl_cv_header_inttypes_h = yes; then
-    AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1,
-      [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
-       and declares uintmax_t. ])
-  fi
-])
diff --git a/m4/isc-posix.m4 b/m4/isc-posix.m4
deleted file mode 100644
index 74dc8f2..0000000
--- a/m4/isc-posix.m4
+++ /dev/null
@@ -1,24 +0,0 @@
-# isc-posix.m4 serial 2 (gettext-0.11.2)
-dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-# This file is not needed with autoconf-2.53 and newer.  Remove it in 2005.
-
-# This test replaces the one in autoconf.
-# Currently this macro should have the same name as the autoconf macro
-# because gettext's gettext.m4 (distributed in the automake package)
-# still uses it.  Otherwise, the use in gettext.m4 makes autoheader
-# give these diagnostics:
-#   configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX
-#   configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX
-
-undefine([AC_ISC_POSIX])
-
-AC_DEFUN([AC_ISC_POSIX],
-  [
-    dnl This test replaces the obsolescent AC_ISC_POSIX kludge.
-    AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"])
-  ]
-)
diff --git a/m4/lcmessage.m4 b/m4/lcmessage.m4
deleted file mode 100644
index 19aa77e..0000000
--- a/m4/lcmessage.m4
+++ /dev/null
@@ -1,30 +0,0 @@
-# lcmessage.m4 serial 4 (gettext-0.14.2)
-dnl Copyright (C) 1995-2002, 2004-2005 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-dnl
-dnl This file can can be used in projects which are not available under
-dnl the GNU General Public License or the GNU Library General Public
-dnl License but which still want to provide support for the GNU gettext
-dnl functionality.
-dnl Please note that the actual code of the GNU gettext library is covered
-dnl by the GNU Library General Public License, and the rest of the GNU
-dnl gettext package package is covered by the GNU General Public License.
-dnl They are *not* in the public domain.
-
-dnl Authors:
-dnl   Ulrich Drepper <drepper@cygnus.com>, 1995.
-
-# Check whether LC_MESSAGES is available in <locale.h>.
-
-AC_DEFUN([gt_LC_MESSAGES],
-[
-  AC_CACHE_CHECK([for LC_MESSAGES], gt_cv_val_LC_MESSAGES,
-    [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
-       gt_cv_val_LC_MESSAGES=yes, gt_cv_val_LC_MESSAGES=no)])
-  if test $gt_cv_val_LC_MESSAGES = yes; then
-    AC_DEFINE(HAVE_LC_MESSAGES, 1,
-      [Define if your <locale.h> file defines LC_MESSAGES.])
-  fi
-])
diff --git a/m4/lib-ld.m4 b/m4/lib-ld.m4
deleted file mode 100644
index ddc569f..0000000
--- a/m4/lib-ld.m4
+++ /dev/null
@@ -1,119 +0,0 @@
-# lib-ld.m4 serial 6
-dnl Copyright (C) 1996-2003, 2009-2014 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl Subroutines of libtool.m4,
-dnl with replacements s/_*LT_PATH/AC_LIB_PROG/ and s/lt_/acl_/ to avoid
-dnl collision with libtool.m4.
-
-dnl From libtool-2.4. Sets the variable with_gnu_ld to yes or no.
-AC_DEFUN([AC_LIB_PROG_LD_GNU],
-[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld],
-[# I'd rather use --version here, but apparently some GNU lds only accept -v.
-case `$LD -v 2>&1 </dev/null` in
-*GNU* | *'with BFD'*)
-  acl_cv_prog_gnu_ld=yes
-  ;;
-*)
-  acl_cv_prog_gnu_ld=no
-  ;;
-esac])
-with_gnu_ld=$acl_cv_prog_gnu_ld
-])
-
-dnl From libtool-2.4. Sets the variable LD.
-AC_DEFUN([AC_LIB_PROG_LD],
-[AC_REQUIRE([AC_PROG_CC])dnl
-AC_REQUIRE([AC_CANONICAL_HOST])dnl
-
-AC_ARG_WITH([gnu-ld],
-    [AS_HELP_STRING([--with-gnu-ld],
-        [assume the C compiler uses GNU ld [default=no]])],
-    [test "$withval" = no || with_gnu_ld=yes],
-    [with_gnu_ld=no])dnl
-
-# Prepare PATH_SEPARATOR.
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
-  # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
-  # contains only /bin. Note that ksh looks also at the FPATH variable,
-  # so we have to set that as well for the test.
-  PATH_SEPARATOR=:
-  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
-    && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
-           || PATH_SEPARATOR=';'
-       }
-fi
-
-ac_prog=ld
-if test "$GCC" = yes; then
-  # Check if gcc -print-prog-name=ld gives a path.
-  AC_MSG_CHECKING([for ld used by $CC])
-  case $host in
-  *-*-mingw*)
-    # gcc leaves a trailing carriage return which upsets mingw
-    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
-  *)
-    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
-  esac
-  case $ac_prog in
-    # Accept absolute paths.
-    [[\\/]]* | ?:[[\\/]]*)
-      re_direlt='/[[^/]][[^/]]*/\.\./'
-      # Canonicalize the pathname of ld
-      ac_prog=`echo "$ac_prog"| sed 's%\\\\%/%g'`
-      while echo "$ac_prog" | grep "$re_direlt" > /dev/null 2>&1; do
-        ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
-      done
-      test -z "$LD" && LD="$ac_prog"
-      ;;
-  "")
-    # If it fails, then pretend we aren't using GCC.
-    ac_prog=ld
-    ;;
-  *)
-    # If it is relative, then search for the first ld in PATH.
-    with_gnu_ld=unknown
-    ;;
-  esac
-elif test "$with_gnu_ld" = yes; then
-  AC_MSG_CHECKING([for GNU ld])
-else
-  AC_MSG_CHECKING([for non-GNU ld])
-fi
-AC_CACHE_VAL([acl_cv_path_LD],
-[if test -z "$LD"; then
-  acl_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
-  for ac_dir in $PATH; do
-    IFS="$acl_save_ifs"
-    test -z "$ac_dir" && ac_dir=.
-    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
-      acl_cv_path_LD="$ac_dir/$ac_prog"
-      # Check to see if the program is GNU ld.  I'd rather use --version,
-      # but apparently some variants of GNU ld only accept -v.
-      # Break only if it was the GNU/non-GNU ld that we prefer.
-      case `"$acl_cv_path_LD" -v 2>&1 </dev/null` in
-      *GNU* | *'with BFD'*)
-        test "$with_gnu_ld" != no && break
-        ;;
-      *)
-        test "$with_gnu_ld" != yes && break
-        ;;
-      esac
-    fi
-  done
-  IFS="$acl_save_ifs"
-else
-  acl_cv_path_LD="$LD" # Let the user override the test with a path.
-fi])
-LD="$acl_cv_path_LD"
-if test -n "$LD"; then
-  AC_MSG_RESULT([$LD])
-else
-  AC_MSG_RESULT([no])
-fi
-test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
-AC_LIB_PROG_LD_GNU
-])
diff --git a/m4/lib-link.m4 b/m4/lib-link.m4
deleted file mode 100644
index 3522d99..0000000
--- a/m4/lib-link.m4
+++ /dev/null
@@ -1,777 +0,0 @@
-# lib-link.m4 serial 26 (gettext-0.18.2)
-dnl Copyright (C) 2001-2014 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-
-AC_PREREQ([2.54])
-
-dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and
-dnl the libraries corresponding to explicit and implicit dependencies.
-dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and
-dnl augments the CPPFLAGS variable.
-dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname
-dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
-AC_DEFUN([AC_LIB_LINKFLAGS],
-[
-  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
-  AC_REQUIRE([AC_LIB_RPATH])
-  pushdef([Name],[m4_translit([$1],[./+-], [____])])
-  pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
-                                   [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
-  AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [
-    AC_LIB_LINKFLAGS_BODY([$1], [$2])
-    ac_cv_lib[]Name[]_libs="$LIB[]NAME"
-    ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME"
-    ac_cv_lib[]Name[]_cppflags="$INC[]NAME"
-    ac_cv_lib[]Name[]_prefix="$LIB[]NAME[]_PREFIX"
-  ])
-  LIB[]NAME="$ac_cv_lib[]Name[]_libs"
-  LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs"
-  INC[]NAME="$ac_cv_lib[]Name[]_cppflags"
-  LIB[]NAME[]_PREFIX="$ac_cv_lib[]Name[]_prefix"
-  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
-  AC_SUBST([LIB]NAME)
-  AC_SUBST([LTLIB]NAME)
-  AC_SUBST([LIB]NAME[_PREFIX])
-  dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the
-  dnl results of this search when this library appears as a dependency.
-  HAVE_LIB[]NAME=yes
-  popdef([NAME])
-  popdef([Name])
-])
-
-dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode, [missing-message])
-dnl searches for libname and the libraries corresponding to explicit and
-dnl implicit dependencies, together with the specified include files and
-dnl the ability to compile and link the specified testcode. The missing-message
-dnl defaults to 'no' and may contain additional hints for the user.
-dnl If found, it sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME}
-dnl and LTLIB${NAME} variables and augments the CPPFLAGS variable, and
-dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs
-dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty.
-dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname
-dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
-AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
-[
-  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
-  AC_REQUIRE([AC_LIB_RPATH])
-  pushdef([Name],[m4_translit([$1],[./+-], [____])])
-  pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
-                                   [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
-
-  dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME
-  dnl accordingly.
-  AC_LIB_LINKFLAGS_BODY([$1], [$2])
-
-  dnl Add $INC[]NAME to CPPFLAGS before performing the following checks,
-  dnl because if the user has installed lib[]Name and not disabled its use
-  dnl via --without-lib[]Name-prefix, he wants to use it.
-  ac_save_CPPFLAGS="$CPPFLAGS"
-  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
-
-  AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
-    ac_save_LIBS="$LIBS"
-    dnl If $LIB[]NAME contains some -l options, add it to the end of LIBS,
-    dnl because these -l options might require -L options that are present in
-    dnl LIBS. -l options benefit only from the -L options listed before it.
-    dnl Otherwise, add it to the front of LIBS, because it may be a static
-    dnl library that depends on another static library that is present in LIBS.
-    dnl Static libraries benefit only from the static libraries listed after
-    dnl it.
-    case " $LIB[]NAME" in
-      *" -l"*) LIBS="$LIBS $LIB[]NAME" ;;
-      *)       LIBS="$LIB[]NAME $LIBS" ;;
-    esac
-    AC_LINK_IFELSE(
-      [AC_LANG_PROGRAM([[$3]], [[$4]])],
-      [ac_cv_lib[]Name=yes],
-      [ac_cv_lib[]Name='m4_if([$5], [], [no], [[$5]])'])
-    LIBS="$ac_save_LIBS"
-  ])
-  if test "$ac_cv_lib[]Name" = yes; then
-    HAVE_LIB[]NAME=yes
-    AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the lib][$1 library.])
-    AC_MSG_CHECKING([how to link with lib[]$1])
-    AC_MSG_RESULT([$LIB[]NAME])
-  else
-    HAVE_LIB[]NAME=no
-    dnl If $LIB[]NAME didn't lead to a usable library, we don't need
-    dnl $INC[]NAME either.
-    CPPFLAGS="$ac_save_CPPFLAGS"
-    LIB[]NAME=
-    LTLIB[]NAME=
-    LIB[]NAME[]_PREFIX=
-  fi
-  AC_SUBST([HAVE_LIB]NAME)
-  AC_SUBST([LIB]NAME)
-  AC_SUBST([LTLIB]NAME)
-  AC_SUBST([LIB]NAME[_PREFIX])
-  popdef([NAME])
-  popdef([Name])
-])
-
-dnl Determine the platform dependent parameters needed to use rpath:
-dnl   acl_libext,
-dnl   acl_shlibext,
-dnl   acl_libname_spec,
-dnl   acl_library_names_spec,
-dnl   acl_hardcode_libdir_flag_spec,
-dnl   acl_hardcode_libdir_separator,
-dnl   acl_hardcode_direct,
-dnl   acl_hardcode_minus_L.
-AC_DEFUN([AC_LIB_RPATH],
-[
-  dnl Tell automake >= 1.10 to complain if config.rpath is missing.
-  m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([config.rpath])])
-  AC_REQUIRE([AC_PROG_CC])                dnl we use $CC, $GCC, $LDFLAGS
-  AC_REQUIRE([AC_LIB_PROG_LD])            dnl we use $LD, $with_gnu_ld
-  AC_REQUIRE([AC_CANONICAL_HOST])         dnl we use $host
-  AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
-  AC_CACHE_CHECK([for shared library run path origin], [acl_cv_rpath], [
-    CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
-    ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
-    . ./conftest.sh
-    rm -f ./conftest.sh
-    acl_cv_rpath=done
-  ])
-  wl="$acl_cv_wl"
-  acl_libext="$acl_cv_libext"
-  acl_shlibext="$acl_cv_shlibext"
-  acl_libname_spec="$acl_cv_libname_spec"
-  acl_library_names_spec="$acl_cv_library_names_spec"
-  acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
-  acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
-  acl_hardcode_direct="$acl_cv_hardcode_direct"
-  acl_hardcode_minus_L="$acl_cv_hardcode_minus_L"
-  dnl Determine whether the user wants rpath handling at all.
-  AC_ARG_ENABLE([rpath],
-    [  --disable-rpath         do not hardcode runtime library paths],
-    :, enable_rpath=yes)
-])
-
-dnl AC_LIB_FROMPACKAGE(name, package)
-dnl declares that libname comes from the given package. The configure file
-dnl will then not have a --with-libname-prefix option but a
-dnl --with-package-prefix option. Several libraries can come from the same
-dnl package. This declaration must occur before an AC_LIB_LINKFLAGS or similar
-dnl macro call that searches for libname.
-AC_DEFUN([AC_LIB_FROMPACKAGE],
-[
-  pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
-                                   [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
-  define([acl_frompackage_]NAME, [$2])
-  popdef([NAME])
-  pushdef([PACK],[$2])
-  pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-],
-                                     [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
-  define([acl_libsinpackage_]PACKUP,
-    m4_ifdef([acl_libsinpackage_]PACKUP, [m4_defn([acl_libsinpackage_]PACKUP)[, ]],)[lib$1])
-  popdef([PACKUP])
-  popdef([PACK])
-])
-
-dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
-dnl the libraries corresponding to explicit and implicit dependencies.
-dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables.
-dnl Also, sets the LIB${NAME}_PREFIX variable to nonempty if libname was found
-dnl in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
-AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
-[
-  AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
-  pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
-                                   [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
-  pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])])
-  pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-],
-                                     [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
-  pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$1])])
-  dnl Autoconf >= 2.61 supports dots in --with options.
-  pushdef([P_A_C_K],[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.61]),[-1],[m4_translit(PACK,[.],[_])],PACK)])
-  dnl By default, look in $includedir and $libdir.
-  use_additional=yes
-  AC_LIB_WITH_FINAL_PREFIX([
-    eval additional_includedir=\"$includedir\"
-    eval additional_libdir=\"$libdir\"
-  ])
-  AC_ARG_WITH(P_A_C_K[-prefix],
-[[  --with-]]P_A_C_K[[-prefix[=DIR]  search for ]PACKLIBS[ in DIR/include and DIR/lib
-  --without-]]P_A_C_K[[-prefix     don't search for ]PACKLIBS[ in includedir and libdir]],
-[
-    if test "X$withval" = "Xno"; then
-      use_additional=no
-    else
-      if test "X$withval" = "X"; then
-        AC_LIB_WITH_FINAL_PREFIX([
-          eval additional_includedir=\"$includedir\"
-          eval additional_libdir=\"$libdir\"
-        ])
-      else
-        additional_includedir="$withval/include"
-        additional_libdir="$withval/$acl_libdirstem"
-        if test "$acl_libdirstem2" != "$acl_libdirstem" \
-           && ! test -d "$withval/$acl_libdirstem"; then
-          additional_libdir="$withval/$acl_libdirstem2"
-        fi
-      fi
-    fi
-])
-  dnl Search the library and its dependencies in $additional_libdir and
-  dnl $LDFLAGS. Using breadth-first-seach.
-  LIB[]NAME=
-  LTLIB[]NAME=
-  INC[]NAME=
-  LIB[]NAME[]_PREFIX=
-  dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been
-  dnl computed. So it has to be reset here.
-  HAVE_LIB[]NAME=
-  rpathdirs=
-  ltrpathdirs=
-  names_already_handled=
-  names_next_round='$1 $2'
-  while test -n "$names_next_round"; do
-    names_this_round="$names_next_round"
-    names_next_round=
-    for name in $names_this_round; do
-      already_handled=
-      for n in $names_already_handled; do
-        if test "$n" = "$name"; then
-          already_handled=yes
-          break
-        fi
-      done
-      if test -z "$already_handled"; then
-        names_already_handled="$names_already_handled $name"
-        dnl See if it was already located by an earlier AC_LIB_LINKFLAGS
-        dnl or AC_LIB_HAVE_LINKFLAGS call.
-        uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'`
-        eval value=\"\$HAVE_LIB$uppername\"
-        if test -n "$value"; then
-          if test "$value" = yes; then
-            eval value=\"\$LIB$uppername\"
-            test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value"
-            eval value=\"\$LTLIB$uppername\"
-            test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value"
-          else
-            dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined
-            dnl that this library doesn't exist. So just drop it.
-            :
-          fi
-        else
-          dnl Search the library lib$name in $additional_libdir and $LDFLAGS
-          dnl and the already constructed $LIBNAME/$LTLIBNAME.
-          found_dir=
-          found_la=
-          found_so=
-          found_a=
-          eval libname=\"$acl_libname_spec\"    # typically: libname=lib$name
-          if test -n "$acl_shlibext"; then
-            shrext=".$acl_shlibext"             # typically: shrext=.so
-          else
-            shrext=
-          fi
-          if test $use_additional = yes; then
-            dir="$additional_libdir"
-            dnl The same code as in the loop below:
-            dnl First look for a shared library.
-            if test -n "$acl_shlibext"; then
-              if test -f "$dir/$libname$shrext"; then
-                found_dir="$dir"
-                found_so="$dir/$libname$shrext"
-              else
-                if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
-                  ver=`(cd "$dir" && \
-                        for f in "$libname$shrext".*; do echo "$f"; done \
-                        | sed -e "s,^$libname$shrext\\\\.,," \
-                        | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
-                        | sed 1q ) 2>/dev/null`
-                  if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then
-                    found_dir="$dir"
-                    found_so="$dir/$libname$shrext.$ver"
-                  fi
-                else
-                  eval library_names=\"$acl_library_names_spec\"
-                  for f in $library_names; do
-                    if test -f "$dir/$f"; then
-                      found_dir="$dir"
-                      found_so="$dir/$f"
-                      break
-                    fi
-                  done
-                fi
-              fi
-            fi
-            dnl Then look for a static library.
-            if test "X$found_dir" = "X"; then
-              if test -f "$dir/$libname.$acl_libext"; then
-                found_dir="$dir"
-                found_a="$dir/$libname.$acl_libext"
-              fi
-            fi
-            if test "X$found_dir" != "X"; then
-              if test -f "$dir/$libname.la"; then
-                found_la="$dir/$libname.la"
-              fi
-            fi
-          fi
-          if test "X$found_dir" = "X"; then
-            for x in $LDFLAGS $LTLIB[]NAME; do
-              AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
-              case "$x" in
-                -L*)
-                  dir=`echo "X$x" | sed -e 's/^X-L//'`
-                  dnl First look for a shared library.
-                  if test -n "$acl_shlibext"; then
-                    if test -f "$dir/$libname$shrext"; then
-                      found_dir="$dir"
-                      found_so="$dir/$libname$shrext"
-                    else
-                      if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
-                        ver=`(cd "$dir" && \
-                              for f in "$libname$shrext".*; do echo "$f"; done \
-                              | sed -e "s,^$libname$shrext\\\\.,," \
-                              | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
-                              | sed 1q ) 2>/dev/null`
-                        if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then
-                          found_dir="$dir"
-                          found_so="$dir/$libname$shrext.$ver"
-                        fi
-                      else
-                        eval library_names=\"$acl_library_names_spec\"
-                        for f in $library_names; do
-                          if test -f "$dir/$f"; then
-                            found_dir="$dir"
-                            found_so="$dir/$f"
-                            break
-                          fi
-                        done
-                      fi
-                    fi
-                  fi
-                  dnl Then look for a static library.
-                  if test "X$found_dir" = "X"; then
-                    if test -f "$dir/$libname.$acl_libext"; then
-                      found_dir="$dir"
-                      found_a="$dir/$libname.$acl_libext"
-                    fi
-                  fi
-                  if test "X$found_dir" != "X"; then
-                    if test -f "$dir/$libname.la"; then
-                      found_la="$dir/$libname.la"
-                    fi
-                  fi
-                  ;;
-              esac
-              if test "X$found_dir" != "X"; then
-                break
-              fi
-            done
-          fi
-          if test "X$found_dir" != "X"; then
-            dnl Found the library.
-            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name"
-            if test "X$found_so" != "X"; then
-              dnl Linking with a shared library. We attempt to hardcode its
-              dnl directory into the executable's runpath, unless it's the
-              dnl standard /usr/lib.
-              if test "$enable_rpath" = no \
-                 || test "X$found_dir" = "X/usr/$acl_libdirstem" \
-                 || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then
-                dnl No hardcoding is needed.
-                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
-              else
-                dnl Use an explicit option to hardcode DIR into the resulting
-                dnl binary.
-                dnl Potentially add DIR to ltrpathdirs.
-                dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
-                haveit=
-                for x in $ltrpathdirs; do
-                  if test "X$x" = "X$found_dir"; then
-                    haveit=yes
-                    break
-                  fi
-                done
-                if test -z "$haveit"; then
-                  ltrpathdirs="$ltrpathdirs $found_dir"
-                fi
-                dnl The hardcoding into $LIBNAME is system dependent.
-                if test "$acl_hardcode_direct" = yes; then
-                  dnl Using DIR/libNAME.so during linking hardcodes DIR into the
-                  dnl resulting binary.
-                  LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
-                else
-                  if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
-                    dnl Use an explicit option to hardcode DIR into the resulting
-                    dnl binary.
-                    LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
-                    dnl Potentially add DIR to rpathdirs.
-                    dnl The rpathdirs will be appended to $LIBNAME at the end.
-                    haveit=
-                    for x in $rpathdirs; do
-                      if test "X$x" = "X$found_dir"; then
-                        haveit=yes
-                        break
-                      fi
-                    done
-                    if test -z "$haveit"; then
-                      rpathdirs="$rpathdirs $found_dir"
-                    fi
-                  else
-                    dnl Rely on "-L$found_dir".
-                    dnl But don't add it if it's already contained in the LDFLAGS
-                    dnl or the already constructed $LIBNAME
-                    haveit=
-                    for x in $LDFLAGS $LIB[]NAME; do
-                      AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
-                      if test "X$x" = "X-L$found_dir"; then
-                        haveit=yes
-                        break
-                      fi
-                    done
-                    if test -z "$haveit"; then
-                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
-                    fi
-                    if test "$acl_hardcode_minus_L" != no; then
-                      dnl FIXME: Not sure whether we should use
-                      dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
-                      dnl here.
-                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
-                    else
-                      dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH
-                      dnl here, because this doesn't fit in flags passed to the
-                      dnl compiler. So give up. No hardcoding. This affects only
-                      dnl very old systems.
-                      dnl FIXME: Not sure whether we should use
-                      dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
-                      dnl here.
-                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
-                    fi
-                  fi
-                fi
-              fi
-            else
-              if test "X$found_a" != "X"; then
-                dnl Linking with a static library.
-                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a"
-              else
-                dnl We shouldn't come here, but anyway it's good to have a
-                dnl fallback.
-                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name"
-              fi
-            fi
-            dnl Assume the include files are nearby.
-            additional_includedir=
-            case "$found_dir" in
-              */$acl_libdirstem | */$acl_libdirstem/)
-                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'`
-                if test "$name" = '$1'; then
-                  LIB[]NAME[]_PREFIX="$basedir"
-                fi
-                additional_includedir="$basedir/include"
-                ;;
-              */$acl_libdirstem2 | */$acl_libdirstem2/)
-                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'`
-                if test "$name" = '$1'; then
-                  LIB[]NAME[]_PREFIX="$basedir"
-                fi
-                additional_includedir="$basedir/include"
-                ;;
-            esac
-            if test "X$additional_includedir" != "X"; then
-              dnl Potentially add $additional_includedir to $INCNAME.
-              dnl But don't add it
-              dnl   1. if it's the standard /usr/include,
-              dnl   2. if it's /usr/local/include and we are using GCC on Linux,
-              dnl   3. if it's already present in $CPPFLAGS or the already
-              dnl      constructed $INCNAME,
-              dnl   4. if it doesn't exist as a directory.
-              if test "X$additional_includedir" != "X/usr/include"; then
-                haveit=
-                if test "X$additional_includedir" = "X/usr/local/include"; then
-                  if test -n "$GCC"; then
-                    case $host_os in
-                      linux* | gnu* | k*bsd*-gnu) haveit=yes;;
-                    esac
-                  fi
-                fi
-                if test -z "$haveit"; then
-                  for x in $CPPFLAGS $INC[]NAME; do
-                    AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
-                    if test "X$x" = "X-I$additional_includedir"; then
-                      haveit=yes
-                      break
-                    fi
-                  done
-                  if test -z "$haveit"; then
-                    if test -d "$additional_includedir"; then
-                      dnl Really add $additional_includedir to $INCNAME.
-                      INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir"
-                    fi
-                  fi
-                fi
-              fi
-            fi
-            dnl Look for dependencies.
-            if test -n "$found_la"; then
-              dnl Read the .la file. It defines the variables
-              dnl dlname, library_names, old_library, dependency_libs, current,
-              dnl age, revision, installed, dlopen, dlpreopen, libdir.
-              save_libdir="$libdir"
-              case "$found_la" in
-                */* | *\\*) . "$found_la" ;;
-                *) . "./$found_la" ;;
-              esac
-              libdir="$save_libdir"
-              dnl We use only dependency_libs.
-              for dep in $dependency_libs; do
-                case "$dep" in
-                  -L*)
-                    additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
-                    dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME.
-                    dnl But don't add it
-                    dnl   1. if it's the standard /usr/lib,
-                    dnl   2. if it's /usr/local/lib and we are using GCC on Linux,
-                    dnl   3. if it's already present in $LDFLAGS or the already
-                    dnl      constructed $LIBNAME,
-                    dnl   4. if it doesn't exist as a directory.
-                    if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \
-                       && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then
-                      haveit=
-                      if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \
-                         || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then
-                        if test -n "$GCC"; then
-                          case $host_os in
-                            linux* | gnu* | k*bsd*-gnu) haveit=yes;;
-                          esac
-                        fi
-                      fi
-                      if test -z "$haveit"; then
-                        haveit=
-                        for x in $LDFLAGS $LIB[]NAME; do
-                          AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
-                          if test "X$x" = "X-L$additional_libdir"; then
-                            haveit=yes
-                            break
-                          fi
-                        done
-                        if test -z "$haveit"; then
-                          if test -d "$additional_libdir"; then
-                            dnl Really add $additional_libdir to $LIBNAME.
-                            LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir"
-                          fi
-                        fi
-                        haveit=
-                        for x in $LDFLAGS $LTLIB[]NAME; do
-                          AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
-                          if test "X$x" = "X-L$additional_libdir"; then
-                            haveit=yes
-                            break
-                          fi
-                        done
-                        if test -z "$haveit"; then
-                          if test -d "$additional_libdir"; then
-                            dnl Really add $additional_libdir to $LTLIBNAME.
-                            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir"
-                          fi
-                        fi
-                      fi
-                    fi
-                    ;;
-                  -R*)
-                    dir=`echo "X$dep" | sed -e 's/^X-R//'`
-                    if test "$enable_rpath" != no; then
-                      dnl Potentially add DIR to rpathdirs.
-                      dnl The rpathdirs will be appended to $LIBNAME at the end.
-                      haveit=
-                      for x in $rpathdirs; do
-                        if test "X$x" = "X$dir"; then
-                          haveit=yes
-                          break
-                        fi
-                      done
-                      if test -z "$haveit"; then
-                        rpathdirs="$rpathdirs $dir"
-                      fi
-                      dnl Potentially add DIR to ltrpathdirs.
-                      dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
-                      haveit=
-                      for x in $ltrpathdirs; do
-                        if test "X$x" = "X$dir"; then
-                          haveit=yes
-                          break
-                        fi
-                      done
-                      if test -z "$haveit"; then
-                        ltrpathdirs="$ltrpathdirs $dir"
-                      fi
-                    fi
-                    ;;
-                  -l*)
-                    dnl Handle this in the next round.
-                    names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'`
-                    ;;
-                  *.la)
-                    dnl Handle this in the next round. Throw away the .la's
-                    dnl directory; it is already contained in a preceding -L
-                    dnl option.
-                    names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
-                    ;;
-                  *)
-                    dnl Most likely an immediate library name.
-                    LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep"
-                    LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep"
-                    ;;
-                esac
-              done
-            fi
-          else
-            dnl Didn't find the library; assume it is in the system directories
-            dnl known to the linker and runtime loader. (All the system
-            dnl directories known to the linker should also be known to the
-            dnl runtime loader, otherwise the system is severely misconfigured.)
-            LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
-            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name"
-          fi
-        fi
-      fi
-    done
-  done
-  if test "X$rpathdirs" != "X"; then
-    if test -n "$acl_hardcode_libdir_separator"; then
-      dnl Weird platform: only the last -rpath option counts, the user must
-      dnl pass all path elements in one option. We can arrange that for a
-      dnl single library, but not when more than one $LIBNAMEs are used.
-      alldirs=
-      for found_dir in $rpathdirs; do
-        alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir"
-      done
-      dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl.
-      acl_save_libdir="$libdir"
-      libdir="$alldirs"
-      eval flag=\"$acl_hardcode_libdir_flag_spec\"
-      libdir="$acl_save_libdir"
-      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
-    else
-      dnl The -rpath options are cumulative.
-      for found_dir in $rpathdirs; do
-        acl_save_libdir="$libdir"
-        libdir="$found_dir"
-        eval flag=\"$acl_hardcode_libdir_flag_spec\"
-        libdir="$acl_save_libdir"
-        LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
-      done
-    fi
-  fi
-  if test "X$ltrpathdirs" != "X"; then
-    dnl When using libtool, the option that works for both libraries and
-    dnl executables is -R. The -R options are cumulative.
-    for found_dir in $ltrpathdirs; do
-      LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir"
-    done
-  fi
-  popdef([P_A_C_K])
-  popdef([PACKLIBS])
-  popdef([PACKUP])
-  popdef([PACK])
-  popdef([NAME])
-])
-
-dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR,
-dnl unless already present in VAR.
-dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes
-dnl contains two or three consecutive elements that belong together.
-AC_DEFUN([AC_LIB_APPENDTOVAR],
-[
-  for element in [$2]; do
-    haveit=
-    for x in $[$1]; do
-      AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
-      if test "X$x" = "X$element"; then
-        haveit=yes
-        break
-      fi
-    done
-    if test -z "$haveit"; then
-      [$1]="${[$1]}${[$1]:+ }$element"
-    fi
-  done
-])
-
-dnl For those cases where a variable contains several -L and -l options
-dnl referring to unknown libraries and directories, this macro determines the
-dnl necessary additional linker options for the runtime path.
-dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL])
-dnl sets LDADDVAR to linker options needed together with LIBSVALUE.
-dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed,
-dnl otherwise linking without libtool is assumed.
-AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS],
-[
-  AC_REQUIRE([AC_LIB_RPATH])
-  AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
-  $1=
-  if test "$enable_rpath" != no; then
-    if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
-      dnl Use an explicit option to hardcode directories into the resulting
-      dnl binary.
-      rpathdirs=
-      next=
-      for opt in $2; do
-        if test -n "$next"; then
-          dir="$next"
-          dnl No need to hardcode the standard /usr/lib.
-          if test "X$dir" != "X/usr/$acl_libdirstem" \
-             && test "X$dir" != "X/usr/$acl_libdirstem2"; then
-            rpathdirs="$rpathdirs $dir"
-          fi
-          next=
-        else
-          case $opt in
-            -L) next=yes ;;
-            -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'`
-                 dnl No need to hardcode the standard /usr/lib.
-                 if test "X$dir" != "X/usr/$acl_libdirstem" \
-                    && test "X$dir" != "X/usr/$acl_libdirstem2"; then
-                   rpathdirs="$rpathdirs $dir"
-                 fi
-                 next= ;;
-            *) next= ;;
-          esac
-        fi
-      done
-      if test "X$rpathdirs" != "X"; then
-        if test -n ""$3""; then
-          dnl libtool is used for linking. Use -R options.
-          for dir in $rpathdirs; do
-            $1="${$1}${$1:+ }-R$dir"
-          done
-        else
-          dnl The linker is used for linking directly.
-          if test -n "$acl_hardcode_libdir_separator"; then
-            dnl Weird platform: only the last -rpath option counts, the user
-            dnl must pass all path elements in one option.
-            alldirs=
-            for dir in $rpathdirs; do
-              alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir"
-            done
-            acl_save_libdir="$libdir"
-            libdir="$alldirs"
-            eval flag=\"$acl_hardcode_libdir_flag_spec\"
-            libdir="$acl_save_libdir"
-            $1="$flag"
-          else
-            dnl The -rpath options are cumulative.
-            for dir in $rpathdirs; do
-              acl_save_libdir="$libdir"
-              libdir="$dir"
-              eval flag=\"$acl_hardcode_libdir_flag_spec\"
-              libdir="$acl_save_libdir"
-              $1="${$1}${$1:+ }$flag"
-            done
-          fi
-        fi
-      fi
-    fi
-  fi
-  AC_SUBST([$1])
-])
diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4
deleted file mode 100644
index 31f49e4..0000000
--- a/m4/lib-prefix.m4
+++ /dev/null
@@ -1,224 +0,0 @@
-# lib-prefix.m4 serial 7 (gettext-0.18)
-dnl Copyright (C) 2001-2005, 2008-2014 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-
-dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and
-dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't
-dnl require excessive bracketing.
-ifdef([AC_HELP_STRING],
-[AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])],
-[AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])])
-
-dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed
-dnl to access previously installed libraries. The basic assumption is that
-dnl a user will want packages to use other packages he previously installed
-dnl with the same --prefix option.
-dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate
-dnl libraries, but is otherwise very convenient.
-AC_DEFUN([AC_LIB_PREFIX],
-[
-  AC_BEFORE([$0], [AC_LIB_LINKFLAGS])
-  AC_REQUIRE([AC_PROG_CC])
-  AC_REQUIRE([AC_CANONICAL_HOST])
-  AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
-  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
-  dnl By default, look in $includedir and $libdir.
-  use_additional=yes
-  AC_LIB_WITH_FINAL_PREFIX([
-    eval additional_includedir=\"$includedir\"
-    eval additional_libdir=\"$libdir\"
-  ])
-  AC_LIB_ARG_WITH([lib-prefix],
-[  --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib
-  --without-lib-prefix    don't search for libraries in includedir and libdir],
-[
-    if test "X$withval" = "Xno"; then
-      use_additional=no
-    else
-      if test "X$withval" = "X"; then
-        AC_LIB_WITH_FINAL_PREFIX([
-          eval additional_includedir=\"$includedir\"
-          eval additional_libdir=\"$libdir\"
-        ])
-      else
-        additional_includedir="$withval/include"
-        additional_libdir="$withval/$acl_libdirstem"
-      fi
-    fi
-])
-  if test $use_additional = yes; then
-    dnl Potentially add $additional_includedir to $CPPFLAGS.
-    dnl But don't add it
-    dnl   1. if it's the standard /usr/include,
-    dnl   2. if it's already present in $CPPFLAGS,
-    dnl   3. if it's /usr/local/include and we are using GCC on Linux,
-    dnl   4. if it doesn't exist as a directory.
-    if test "X$additional_includedir" != "X/usr/include"; then
-      haveit=
-      for x in $CPPFLAGS; do
-        AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
-        if test "X$x" = "X-I$additional_includedir"; then
-          haveit=yes
-          break
-        fi
-      done
-      if test -z "$haveit"; then
-        if test "X$additional_includedir" = "X/usr/local/include"; then
-          if test -n "$GCC"; then
-            case $host_os in
-              linux* | gnu* | k*bsd*-gnu) haveit=yes;;
-            esac
-          fi
-        fi
-        if test -z "$haveit"; then
-          if test -d "$additional_includedir"; then
-            dnl Really add $additional_includedir to $CPPFLAGS.
-            CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir"
-          fi
-        fi
-      fi
-    fi
-    dnl Potentially add $additional_libdir to $LDFLAGS.
-    dnl But don't add it
-    dnl   1. if it's the standard /usr/lib,
-    dnl   2. if it's already present in $LDFLAGS,
-    dnl   3. if it's /usr/local/lib and we are using GCC on Linux,
-    dnl   4. if it doesn't exist as a directory.
-    if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then
-      haveit=
-      for x in $LDFLAGS; do
-        AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
-        if test "X$x" = "X-L$additional_libdir"; then
-          haveit=yes
-          break
-        fi
-      done
-      if test -z "$haveit"; then
-        if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then
-          if test -n "$GCC"; then
-            case $host_os in
-              linux*) haveit=yes;;
-            esac
-          fi
-        fi
-        if test -z "$haveit"; then
-          if test -d "$additional_libdir"; then
-            dnl Really add $additional_libdir to $LDFLAGS.
-            LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir"
-          fi
-        fi
-      fi
-    fi
-  fi
-])
-
-dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix,
-dnl acl_final_exec_prefix, containing the values to which $prefix and
-dnl $exec_prefix will expand at the end of the configure script.
-AC_DEFUN([AC_LIB_PREPARE_PREFIX],
-[
-  dnl Unfortunately, prefix and exec_prefix get only finally determined
-  dnl at the end of configure.
-  if test "X$prefix" = "XNONE"; then
-    acl_final_prefix="$ac_default_prefix"
-  else
-    acl_final_prefix="$prefix"
-  fi
-  if test "X$exec_prefix" = "XNONE"; then
-    acl_final_exec_prefix='${prefix}'
-  else
-    acl_final_exec_prefix="$exec_prefix"
-  fi
-  acl_save_prefix="$prefix"
-  prefix="$acl_final_prefix"
-  eval acl_final_exec_prefix=\"$acl_final_exec_prefix\"
-  prefix="$acl_save_prefix"
-])
-
-dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the
-dnl variables prefix and exec_prefix bound to the values they will have
-dnl at the end of the configure script.
-AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
-[
-  acl_save_prefix="$prefix"
-  prefix="$acl_final_prefix"
-  acl_save_exec_prefix="$exec_prefix"
-  exec_prefix="$acl_final_exec_prefix"
-  $1
-  exec_prefix="$acl_save_exec_prefix"
-  prefix="$acl_save_prefix"
-])
-
-dnl AC_LIB_PREPARE_MULTILIB creates
-dnl - a variable acl_libdirstem, containing the basename of the libdir, either
-dnl   "lib" or "lib64" or "lib/64",
-dnl - a variable acl_libdirstem2, as a secondary possible value for
-dnl   acl_libdirstem, either the same as acl_libdirstem or "lib/sparcv9" or
-dnl   "lib/amd64".
-AC_DEFUN([AC_LIB_PREPARE_MULTILIB],
-[
-  dnl There is no formal standard regarding lib and lib64.
-  dnl On glibc systems, the current practice is that on a system supporting
-  dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
-  dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine
-  dnl the compiler's default mode by looking at the compiler's library search
-  dnl path. If at least one of its elements ends in /lib64 or points to a
-  dnl directory whose absolute pathname ends in /lib64, we assume a 64-bit ABI.
-  dnl Otherwise we use the default, namely "lib".
-  dnl On Solaris systems, the current practice is that on a system supporting
-  dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
-  dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or
-  dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib.
-  AC_REQUIRE([AC_CANONICAL_HOST])
-  acl_libdirstem=lib
-  acl_libdirstem2=
-  case "$host_os" in
-    solaris*)
-      dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment
-      dnl <http://docs.sun.com/app/docs/doc/816-5138/dev-env?l=en&a=view>.
-      dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link."
-      dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the
-      dnl symlink is missing, so we set acl_libdirstem2 too.
-      AC_CACHE_CHECK([for 64-bit host], [gl_cv_solaris_64bit],
-        [AC_EGREP_CPP([sixtyfour bits], [
-#ifdef _LP64
-sixtyfour bits
-#endif
-           ], [gl_cv_solaris_64bit=yes], [gl_cv_solaris_64bit=no])
-        ])
-      if test $gl_cv_solaris_64bit = yes; then
-        acl_libdirstem=lib/64
-        case "$host_cpu" in
-          sparc*)        acl_libdirstem2=lib/sparcv9 ;;
-          i*86 | x86_64) acl_libdirstem2=lib/amd64 ;;
-        esac
-      fi
-      ;;
-    *)
-      searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'`
-      if test -n "$searchpath"; then
-        acl_save_IFS="${IFS= 	}"; IFS=":"
-        for searchdir in $searchpath; do
-          if test -d "$searchdir"; then
-            case "$searchdir" in
-              */lib64/ | */lib64 ) acl_libdirstem=lib64 ;;
-              */../ | */.. )
-                # Better ignore directories of this form. They are misleading.
-                ;;
-              *) searchdir=`cd "$searchdir" && pwd`
-                 case "$searchdir" in
-                   */lib64 ) acl_libdirstem=lib64 ;;
-                 esac ;;
-            esac
-          fi
-        done
-        IFS="$acl_save_IFS"
-      fi
-      ;;
-  esac
-  test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem"
-])
diff --git a/m4/longdouble.m4 b/m4/longdouble.m4
deleted file mode 100644
index 25590f4..0000000
--- a/m4/longdouble.m4
+++ /dev/null
@@ -1,31 +0,0 @@
-# longdouble.m4 serial 2 (gettext-0.15)
-dnl Copyright (C) 2002-2003, 2006 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-dnl Test whether the compiler supports the 'long double' type.
-dnl Prerequisite: AC_PROG_CC
-
-dnl This file is only needed in autoconf <= 2.59.  Newer versions of autoconf
-dnl have a macro AC_TYPE_LONG_DOUBLE with identical semantics.
-
-AC_DEFUN([gt_TYPE_LONGDOUBLE],
-[
-  AC_CACHE_CHECK([for long double], gt_cv_c_long_double,
-    [if test "$GCC" = yes; then
-       gt_cv_c_long_double=yes
-     else
-       AC_TRY_COMPILE([
-         /* The Stardent Vistra knows sizeof(long double), but does not support it.  */
-         long double foo = 0.0;
-         /* On Ultrix 4.3 cc, long double is 4 and double is 8.  */
-         int array [2*(sizeof(long double) >= sizeof(double)) - 1];
-         ], ,
-         gt_cv_c_long_double=yes, gt_cv_c_long_double=no)
-     fi])
-  if test $gt_cv_c_long_double = yes; then
-    AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the 'long double' type.])
-  fi
-])
diff --git a/m4/longlong.m4 b/m4/longlong.m4
deleted file mode 100644
index 7b399e0..0000000
--- a/m4/longlong.m4
+++ /dev/null
@@ -1,23 +0,0 @@
-# longlong.m4 serial 5
-dnl Copyright (C) 1999-2004 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Paul Eggert.
-
-# Define HAVE_LONG_LONG if 'long long' works.
-
-AC_DEFUN([gl_AC_TYPE_LONG_LONG],
-[
-  AC_CACHE_CHECK([for long long], ac_cv_type_long_long,
-  [AC_TRY_LINK([long long ll = 1LL; int i = 63;],
-    [long long llmax = (long long) -1;
-     return ll << i | ll >> i | llmax / ll | llmax % ll;],
-    ac_cv_type_long_long=yes,
-    ac_cv_type_long_long=no)])
-  if test $ac_cv_type_long_long = yes; then
-    AC_DEFINE(HAVE_LONG_LONG, 1,
-      [Define if you have the 'long long' type.])
-  fi
-])
diff --git a/m4/nls.m4 b/m4/nls.m4
deleted file mode 100644
index 53cdc8b..0000000
--- a/m4/nls.m4
+++ /dev/null
@@ -1,32 +0,0 @@
-# nls.m4 serial 5 (gettext-0.18)
-dnl Copyright (C) 1995-2003, 2005-2006, 2008-2014 Free Software Foundation,
-dnl Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-dnl
-dnl This file can can be used in projects which are not available under
-dnl the GNU General Public License or the GNU Library General Public
-dnl License but which still want to provide support for the GNU gettext
-dnl functionality.
-dnl Please note that the actual code of the GNU gettext library is covered
-dnl by the GNU Library General Public License, and the rest of the GNU
-dnl gettext package package is covered by the GNU General Public License.
-dnl They are *not* in the public domain.
-
-dnl Authors:
-dnl   Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
-dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2003.
-
-AC_PREREQ([2.50])
-
-AC_DEFUN([AM_NLS],
-[
-  AC_MSG_CHECKING([whether NLS is requested])
-  dnl Default is enabled NLS
-  AC_ARG_ENABLE([nls],
-    [  --disable-nls           do not use Native Language Support],
-    USE_NLS=$enableval, USE_NLS=yes)
-  AC_MSG_RESULT([$USE_NLS])
-  AC_SUBST([USE_NLS])
-])
diff --git a/m4/po.m4 b/m4/po.m4
deleted file mode 100644
index 84659ea..0000000
--- a/m4/po.m4
+++ /dev/null
@@ -1,453 +0,0 @@
-# po.m4 serial 22 (gettext-0.19)
-dnl Copyright (C) 1995-2014 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-dnl
-dnl This file can can be used in projects which are not available under
-dnl the GNU General Public License or the GNU Library General Public
-dnl License but which still want to provide support for the GNU gettext
-dnl functionality.
-dnl Please note that the actual code of the GNU gettext library is covered
-dnl by the GNU Library General Public License, and the rest of the GNU
-dnl gettext package package is covered by the GNU General Public License.
-dnl They are *not* in the public domain.
-
-dnl Authors:
-dnl   Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
-dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2003.
-
-AC_PREREQ([2.60])
-
-dnl Checks for all prerequisites of the po subdirectory.
-AC_DEFUN([AM_PO_SUBDIRS],
-[
-  AC_REQUIRE([AC_PROG_MAKE_SET])dnl
-  AC_REQUIRE([AC_PROG_INSTALL])dnl
-  AC_REQUIRE([AC_PROG_MKDIR_P])dnl
-  AC_REQUIRE([AC_PROG_SED])dnl
-  AC_REQUIRE([AM_NLS])dnl
-
-  dnl Release version of the gettext macros. This is used to ensure that
-  dnl the gettext macros and po/Makefile.in.in are in sync.
-  AC_SUBST([GETTEXT_MACRO_VERSION], [0.19])
-
-  dnl Perform the following tests also if --disable-nls has been given,
-  dnl because they are needed for "make dist" to work.
-
-  dnl Search for GNU msgfmt in the PATH.
-  dnl The first test excludes Solaris msgfmt and early GNU msgfmt versions.
-  dnl The second test excludes FreeBSD msgfmt.
-  AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
-    [$ac_dir/$ac_word --statistics /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 &&
-     (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
-    :)
-  AC_PATH_PROG([GMSGFMT], [gmsgfmt], [$MSGFMT])
-
-  dnl Test whether it is GNU msgfmt >= 0.15.
-changequote(,)dnl
-  case `$MSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
-    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) MSGFMT_015=: ;;
-    *) MSGFMT_015=$MSGFMT ;;
-  esac
-changequote([,])dnl
-  AC_SUBST([MSGFMT_015])
-changequote(,)dnl
-  case `$GMSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
-    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) GMSGFMT_015=: ;;
-    *) GMSGFMT_015=$GMSGFMT ;;
-  esac
-changequote([,])dnl
-  AC_SUBST([GMSGFMT_015])
-
-  dnl Search for GNU xgettext 0.12 or newer in the PATH.
-  dnl The first test excludes Solaris xgettext and early GNU xgettext versions.
-  dnl The second test excludes FreeBSD xgettext.
-  AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
-    [$ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 &&
-     (if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
-    :)
-  dnl Remove leftover from FreeBSD xgettext call.
-  rm -f messages.po
-
-  dnl Test whether it is GNU xgettext >= 0.15.
-changequote(,)dnl
-  case `$XGETTEXT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
-    '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) XGETTEXT_015=: ;;
-    *) XGETTEXT_015=$XGETTEXT ;;
-  esac
-changequote([,])dnl
-  AC_SUBST([XGETTEXT_015])
-
-  dnl Search for GNU msgmerge 0.11 or newer in the PATH.
-  AM_PATH_PROG_WITH_TEST(MSGMERGE, msgmerge,
-    [$ac_dir/$ac_word --update -q /dev/null /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1], :)
-
-  dnl Installation directories.
-  dnl Autoconf >= 2.60 defines localedir. For older versions of autoconf, we
-  dnl have to define it here, so that it can be used in po/Makefile.
-  test -n "$localedir" || localedir='${datadir}/locale'
-  AC_SUBST([localedir])
-
-  dnl Support for AM_XGETTEXT_OPTION.
-  test -n "${XGETTEXT_EXTRA_OPTIONS+set}" || XGETTEXT_EXTRA_OPTIONS=
-  AC_SUBST([XGETTEXT_EXTRA_OPTIONS])
-
-  AC_CONFIG_COMMANDS([po-directories], [[
-    for ac_file in $CONFIG_FILES; do
-      # Support "outfile[:infile[:infile...]]"
-      case "$ac_file" in
-        *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
-      esac
-      # PO directories have a Makefile.in generated from Makefile.in.in.
-      case "$ac_file" in */Makefile.in)
-        # Adjust a relative srcdir.
-        ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
-        ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'`
-        ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
-        # In autoconf-2.13 it is called $ac_given_srcdir.
-        # In autoconf-2.50 it is called $srcdir.
-        test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
-        case "$ac_given_srcdir" in
-          .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
-          /*) top_srcdir="$ac_given_srcdir" ;;
-          *)  top_srcdir="$ac_dots$ac_given_srcdir" ;;
-        esac
-        # Treat a directory as a PO directory if and only if it has a
-        # POTFILES.in file. This allows packages to have multiple PO
-        # directories under different names or in different locations.
-        if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
-          rm -f "$ac_dir/POTFILES"
-          test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
-          gt_tab=`printf '\t'`
-          cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ ${gt_tab}]*\$/d" -e "s,.*,     $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES"
-          POMAKEFILEDEPS="POTFILES.in"
-          # ALL_LINGUAS, POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES depend
-          # on $ac_dir but don't depend on user-specified configuration
-          # parameters.
-          if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
-            # The LINGUAS file contains the set of available languages.
-            if test -n "$OBSOLETE_ALL_LINGUAS"; then
-              test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
-            fi
-            ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"`
-            # Hide the ALL_LINGUAS assignment from automake < 1.5.
-            eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
-            POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
-          else
-            # The set of available languages was given in configure.in.
-            # Hide the ALL_LINGUAS assignment from automake < 1.5.
-            eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS'
-          fi
-          # Compute POFILES
-          # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po)
-          # Compute UPDATEPOFILES
-          # as      $(foreach lang, $(ALL_LINGUAS), $(lang).po-update)
-          # Compute DUMMYPOFILES
-          # as      $(foreach lang, $(ALL_LINGUAS), $(lang).nop)
-          # Compute GMOFILES
-          # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo)
-          case "$ac_given_srcdir" in
-            .) srcdirpre= ;;
-            *) srcdirpre='$(srcdir)/' ;;
-          esac
-          POFILES=
-          UPDATEPOFILES=
-          DUMMYPOFILES=
-          GMOFILES=
-          for lang in $ALL_LINGUAS; do
-            POFILES="$POFILES $srcdirpre$lang.po"
-            UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
-            DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
-            GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
-          done
-          # CATALOGS depends on both $ac_dir and the user's LINGUAS
-          # environment variable.
-          INST_LINGUAS=
-          if test -n "$ALL_LINGUAS"; then
-            for presentlang in $ALL_LINGUAS; do
-              useit=no
-              if test "%UNSET%" != "$LINGUAS"; then
-                desiredlanguages="$LINGUAS"
-              else
-                desiredlanguages="$ALL_LINGUAS"
-              fi
-              for desiredlang in $desiredlanguages; do
-                # Use the presentlang catalog if desiredlang is
-                #   a. equal to presentlang, or
-                #   b. a variant of presentlang (because in this case,
-                #      presentlang can be used as a fallback for messages
-                #      which are not translated in the desiredlang catalog).
-                case "$desiredlang" in
-                  "$presentlang"*) useit=yes;;
-                esac
-              done
-              if test $useit = yes; then
-                INST_LINGUAS="$INST_LINGUAS $presentlang"
-              fi
-            done
-          fi
-          CATALOGS=
-          if test -n "$INST_LINGUAS"; then
-            for lang in $INST_LINGUAS; do
-              CATALOGS="$CATALOGS $lang.gmo"
-            done
-          fi
-          test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile"
-          sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile"
-          for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do
-            if test -f "$f"; then
-              case "$f" in
-                *.orig | *.bak | *~) ;;
-                *) cat "$f" >> "$ac_dir/Makefile" ;;
-              esac
-            fi
-          done
-        fi
-        ;;
-      esac
-    done]],
-   [# Capture the value of obsolete ALL_LINGUAS because we need it to compute
-    # POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES, CATALOGS. But hide it
-    # from automake < 1.5.
-    eval 'OBSOLETE_ALL_LINGUAS''="$ALL_LINGUAS"'
-    # Capture the value of LINGUAS because we need it to compute CATALOGS.
-    LINGUAS="${LINGUAS-%UNSET%}"
-   ])
-])
-
-dnl Postprocesses a Makefile in a directory containing PO files.
-AC_DEFUN([AM_POSTPROCESS_PO_MAKEFILE],
-[
-  # When this code is run, in config.status, two variables have already been
-  # set:
-  # - OBSOLETE_ALL_LINGUAS is the value of LINGUAS set in configure.in,
-  # - LINGUAS is the value of the environment variable LINGUAS at configure
-  #   time.
-
-changequote(,)dnl
-  # Adjust a relative srcdir.
-  ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
-  ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'`
-  ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
-  # In autoconf-2.13 it is called $ac_given_srcdir.
-  # In autoconf-2.50 it is called $srcdir.
-  test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
-  case "$ac_given_srcdir" in
-    .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
-    /*) top_srcdir="$ac_given_srcdir" ;;
-    *)  top_srcdir="$ac_dots$ac_given_srcdir" ;;
-  esac
-
-  # Find a way to echo strings without interpreting backslash.
-  if test "X`(echo '\t') 2>/dev/null`" = 'X\t'; then
-    gt_echo='echo'
-  else
-    if test "X`(printf '%s\n' '\t') 2>/dev/null`" = 'X\t'; then
-      gt_echo='printf %s\n'
-    else
-      echo_func () {
-        cat <<EOT
-$*
-EOT
-      }
-      gt_echo='echo_func'
-    fi
-  fi
-
-  # A sed script that extracts the value of VARIABLE from a Makefile.
-  tab=`printf '\t'`
-  sed_x_variable='
-# Test if the hold space is empty.
-x
-s/P/P/
-x
-ta
-# Yes it was empty. Look if we have the expected variable definition.
-/^['"${tab}"' ]*VARIABLE['"${tab}"' ]*=/{
-  # Seen the first line of the variable definition.
-  s/^['"${tab}"' ]*VARIABLE['"${tab}"' ]*=//
-  ba
-}
-bd
-:a
-# Here we are processing a line from the variable definition.
-# Remove comment, more precisely replace it with a space.
-s/#.*$/ /
-# See if the line ends in a backslash.
-tb
-:b
-s/\\$//
-# Print the line, without the trailing backslash.
-p
-tc
-# There was no trailing backslash. The end of the variable definition is
-# reached. Clear the hold space.
-s/^.*$//
-x
-bd
-:c
-# A trailing backslash means that the variable definition continues in the
-# next line. Put a nonempty string into the hold space to indicate this.
-s/^.*$/P/
-x
-:d
-'
-changequote([,])dnl
-
-  # Set POTFILES to the value of the Makefile variable POTFILES.
-  sed_x_POTFILES=`$gt_echo "$sed_x_variable" | sed -e '/^ *#/d' -e 's/VARIABLE/POTFILES/g'`
-  POTFILES=`sed -n -e "$sed_x_POTFILES" < "$ac_file"`
-  # Compute POTFILES_DEPS as
-  #   $(foreach file, $(POTFILES), $(top_srcdir)/$(file))
-  POTFILES_DEPS=
-  for file in $POTFILES; do
-    POTFILES_DEPS="$POTFILES_DEPS "'$(top_srcdir)/'"$file"
-  done
-  POMAKEFILEDEPS=""
-
-  if test -n "$OBSOLETE_ALL_LINGUAS"; then
-    test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
-  fi
-  if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
-    # The LINGUAS file contains the set of available languages.
-    ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"`
-    POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
-  else
-    # Set ALL_LINGUAS to the value of the Makefile variable LINGUAS.
-    sed_x_LINGUAS=`$gt_echo "$sed_x_variable" | sed -e '/^ *#/d' -e 's/VARIABLE/LINGUAS/g'`
-    ALL_LINGUAS_=`sed -n -e "$sed_x_LINGUAS" < "$ac_file"`
-  fi
-  # Hide the ALL_LINGUAS assignment from automake < 1.5.
-  eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
-  # Compute POFILES
-  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po)
-  # Compute UPDATEPOFILES
-  # as      $(foreach lang, $(ALL_LINGUAS), $(lang).po-update)
-  # Compute DUMMYPOFILES
-  # as      $(foreach lang, $(ALL_LINGUAS), $(lang).nop)
-  # Compute GMOFILES
-  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo)
-  # Compute PROPERTIESFILES
-  # as      $(foreach lang, $(ALL_LINGUAS), $(top_srcdir)/$(DOMAIN)_$(lang).properties)
-  # Compute CLASSFILES
-  # as      $(foreach lang, $(ALL_LINGUAS), $(top_srcdir)/$(DOMAIN)_$(lang).class)
-  # Compute QMFILES
-  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).qm)
-  # Compute MSGFILES
-  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang)).msg)
-  # Compute RESOURCESDLLFILES
-  # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang))/$(DOMAIN).resources.dll)
-  case "$ac_given_srcdir" in
-    .) srcdirpre= ;;
-    *) srcdirpre='$(srcdir)/' ;;
-  esac
-  POFILES=
-  UPDATEPOFILES=
-  DUMMYPOFILES=
-  GMOFILES=
-  PROPERTIESFILES=
-  CLASSFILES=
-  QMFILES=
-  MSGFILES=
-  RESOURCESDLLFILES=
-  for lang in $ALL_LINGUAS; do
-    POFILES="$POFILES $srcdirpre$lang.po"
-    UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
-    DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
-    GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
-    PROPERTIESFILES="$PROPERTIESFILES \$(top_srcdir)/\$(DOMAIN)_$lang.properties"
-    CLASSFILES="$CLASSFILES \$(top_srcdir)/\$(DOMAIN)_$lang.class"
-    QMFILES="$QMFILES $srcdirpre$lang.qm"
-    frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
-    MSGFILES="$MSGFILES $srcdirpre$frobbedlang.msg"
-    frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
-    RESOURCESDLLFILES="$RESOURCESDLLFILES $srcdirpre$frobbedlang/\$(DOMAIN).resources.dll"
-  done
-  # CATALOGS depends on both $ac_dir and the user's LINGUAS
-  # environment variable.
-  INST_LINGUAS=
-  if test -n "$ALL_LINGUAS"; then
-    for presentlang in $ALL_LINGUAS; do
-      useit=no
-      if test "%UNSET%" != "$LINGUAS"; then
-        desiredlanguages="$LINGUAS"
-      else
-        desiredlanguages="$ALL_LINGUAS"
-      fi
-      for desiredlang in $desiredlanguages; do
-        # Use the presentlang catalog if desiredlang is
-        #   a. equal to presentlang, or
-        #   b. a variant of presentlang (because in this case,
-        #      presentlang can be used as a fallback for messages
-        #      which are not translated in the desiredlang catalog).
-        case "$desiredlang" in
-          "$presentlang"*) useit=yes;;
-        esac
-      done
-      if test $useit = yes; then
-        INST_LINGUAS="$INST_LINGUAS $presentlang"
-      fi
-    done
-  fi
-  CATALOGS=
-  JAVACATALOGS=
-  QTCATALOGS=
-  TCLCATALOGS=
-  CSHARPCATALOGS=
-  if test -n "$INST_LINGUAS"; then
-    for lang in $INST_LINGUAS; do
-      CATALOGS="$CATALOGS $lang.gmo"
-      JAVACATALOGS="$JAVACATALOGS \$(DOMAIN)_$lang.properties"
-      QTCATALOGS="$QTCATALOGS $lang.qm"
-      frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
-      TCLCATALOGS="$TCLCATALOGS $frobbedlang.msg"
-      frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
-      CSHARPCATALOGS="$CSHARPCATALOGS $frobbedlang/\$(DOMAIN).resources.dll"
-    done
-  fi
-
-  sed -e "s|@POTFILES_DEPS@|$POTFILES_DEPS|g" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@PROPERTIESFILES@|$PROPERTIESFILES|g" -e "s|@CLASSFILES@|$CLASSFILES|g" -e "s|@QMFILES@|$QMFILES|g" -e "s|@MSGFILES@|$MSGFILES|g" -e "s|@RESOURCESDLLFILES@|$RESOURCESDLLFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@JAVACATALOGS@|$JAVACATALOGS|g" -e "s|@QTCATALOGS@|$QTCATALOGS|g" -e "s|@TCLCATALOGS@|$TCLCATALOGS|g" -e "s|@CSHARPCATALOGS@|$CSHARPCATALOGS|g" -e 's,^#distdir:,distdir:,' < "$ac_file" > "$ac_file.tmp"
-  tab=`printf '\t'`
-  if grep -l '@TCLCATALOGS@' "$ac_file" > /dev/null; then
-    # Add dependencies that cannot be formulated as a simple suffix rule.
-    for lang in $ALL_LINGUAS; do
-      frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
-      cat >> "$ac_file.tmp" <<EOF
-$frobbedlang.msg: $lang.po
-${tab}@echo "\$(MSGFMT) -c --tcl -d \$(srcdir) -l $lang $srcdirpre$lang.po"; \
-${tab}\$(MSGFMT) -c --tcl -d "\$(srcdir)" -l $lang $srcdirpre$lang.po || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; }
-EOF
-    done
-  fi
-  if grep -l '@CSHARPCATALOGS@' "$ac_file" > /dev/null; then
-    # Add dependencies that cannot be formulated as a simple suffix rule.
-    for lang in $ALL_LINGUAS; do
-      frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
-      cat >> "$ac_file.tmp" <<EOF
-$frobbedlang/\$(DOMAIN).resources.dll: $lang.po
-${tab}@echo "\$(MSGFMT) -c --csharp -d \$(srcdir) -l $lang $srcdirpre$lang.po -r \$(DOMAIN)"; \
-${tab}\$(MSGFMT) -c --csharp -d "\$(srcdir)" -l $lang $srcdirpre$lang.po -r "\$(DOMAIN)" || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; }
-EOF
-    done
-  fi
-  if test -n "$POMAKEFILEDEPS"; then
-    cat >> "$ac_file.tmp" <<EOF
-Makefile: $POMAKEFILEDEPS
-EOF
-  fi
-  mv "$ac_file.tmp" "$ac_file"
-])
-
-dnl Initializes the accumulator used by AM_XGETTEXT_OPTION.
-AC_DEFUN([AM_XGETTEXT_OPTION_INIT],
-[
-  XGETTEXT_EXTRA_OPTIONS=
-])
-
-dnl Registers an option to be passed to xgettext in the po subdirectory.
-AC_DEFUN([AM_XGETTEXT_OPTION],
-[
-  AC_REQUIRE([AM_XGETTEXT_OPTION_INIT])
-  XGETTEXT_EXTRA_OPTIONS="$XGETTEXT_EXTRA_OPTIONS $1"
-])
diff --git a/m4/printf-posix.m4 b/m4/printf-posix.m4
deleted file mode 100644
index af10170..0000000
--- a/m4/printf-posix.m4
+++ /dev/null
@@ -1,44 +0,0 @@
-# printf-posix.m4 serial 2 (gettext-0.13.1)
-dnl Copyright (C) 2003 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-dnl Test whether the printf() function supports POSIX/XSI format strings with
-dnl positions.
-
-AC_DEFUN([gt_PRINTF_POSIX],
-[
-  AC_REQUIRE([AC_PROG_CC])
-  AC_CACHE_CHECK([whether printf() supports POSIX/XSI format strings],
-    gt_cv_func_printf_posix,
-    [
-      AC_TRY_RUN([
-#include <stdio.h>
-#include <string.h>
-/* The string "%2$d %1$d", with dollar characters protected from the shell's
-   dollar expansion (possibly an autoconf bug).  */
-static char format[] = { '%', '2', '$', 'd', ' ', '%', '1', '$', 'd', '\0' };
-static char buf[100];
-int main ()
-{
-  sprintf (buf, format, 33, 55);
-  return (strcmp (buf, "55 33") != 0);
-}], gt_cv_func_printf_posix=yes, gt_cv_func_printf_posix=no,
-      [
-        AC_EGREP_CPP(notposix, [
-#if defined __NetBSD__ || defined _MSC_VER || defined __MINGW32__ || defined __CYGWIN__
-  notposix
-#endif
-        ], gt_cv_func_printf_posix="guessing no",
-           gt_cv_func_printf_posix="guessing yes")
-      ])
-    ])
-  case $gt_cv_func_printf_posix in
-    *yes)
-      AC_DEFINE(HAVE_POSIX_PRINTF, 1,
-        [Define if your printf() function supports format strings with positions.])
-      ;;
-  esac
-])
diff --git a/m4/progtest.m4 b/m4/progtest.m4
deleted file mode 100644
index b499f79..0000000
--- a/m4/progtest.m4
+++ /dev/null
@@ -1,91 +0,0 @@
-# progtest.m4 serial 7 (gettext-0.18.2)
-dnl Copyright (C) 1996-2003, 2005, 2008-2014 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-dnl
-dnl This file can can be used in projects which are not available under
-dnl the GNU General Public License or the GNU Library General Public
-dnl License but which still want to provide support for the GNU gettext
-dnl functionality.
-dnl Please note that the actual code of the GNU gettext library is covered
-dnl by the GNU Library General Public License, and the rest of the GNU
-dnl gettext package package is covered by the GNU General Public License.
-dnl They are *not* in the public domain.
-
-dnl Authors:
-dnl   Ulrich Drepper <drepper@cygnus.com>, 1996.
-
-AC_PREREQ([2.50])
-
-# Search path for a program which passes the given test.
-
-dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
-dnl   TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
-AC_DEFUN([AM_PATH_PROG_WITH_TEST],
-[
-# Prepare PATH_SEPARATOR.
-# The user is always right.
-if test "${PATH_SEPARATOR+set}" != set; then
-  # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
-  # contains only /bin. Note that ksh looks also at the FPATH variable,
-  # so we have to set that as well for the test.
-  PATH_SEPARATOR=:
-  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
-    && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
-           || PATH_SEPARATOR=';'
-       }
-fi
-
-# Find out how to test for executable files. Don't use a zero-byte file,
-# as systems may use methods other than mode bits to determine executability.
-cat >conf$$.file <<_ASEOF
-#! /bin/sh
-exit 0
-_ASEOF
-chmod +x conf$$.file
-if test -x conf$$.file >/dev/null 2>&1; then
-  ac_executable_p="test -x"
-else
-  ac_executable_p="test -f"
-fi
-rm -f conf$$.file
-
-# Extract the first word of "$2", so it can be a program name with args.
-set dummy $2; ac_word=[$]2
-AC_MSG_CHECKING([for $ac_word])
-AC_CACHE_VAL([ac_cv_path_$1],
-[case "[$]$1" in
-  [[\\/]]* | ?:[[\\/]]*)
-    ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
-    ;;
-  *)
-    ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR
-    for ac_dir in ifelse([$5], , $PATH, [$5]); do
-      IFS="$ac_save_IFS"
-      test -z "$ac_dir" && ac_dir=.
-      for ac_exec_ext in '' $ac_executable_extensions; do
-        if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then
-          echo "$as_me: trying $ac_dir/$ac_word..." >&AS_MESSAGE_LOG_FD
-          if [$3]; then
-            ac_cv_path_$1="$ac_dir/$ac_word$ac_exec_ext"
-            break 2
-          fi
-        fi
-      done
-    done
-    IFS="$ac_save_IFS"
-dnl If no 4th arg is given, leave the cache variable unset,
-dnl so AC_PATH_PROGS will keep looking.
-ifelse([$4], , , [  test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
-])dnl
-    ;;
-esac])dnl
-$1="$ac_cv_path_$1"
-if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
-  AC_MSG_RESULT([$][$1])
-else
-  AC_MSG_RESULT([no])
-fi
-AC_SUBST([$1])dnl
-])
diff --git a/m4/signed.m4 b/m4/signed.m4
deleted file mode 100644
index 048f593..0000000
--- a/m4/signed.m4
+++ /dev/null
@@ -1,17 +0,0 @@
-# signed.m4 serial 1 (gettext-0.10.40)
-dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-
-AC_DEFUN([bh_C_SIGNED],
-[
-  AC_CACHE_CHECK([for signed], bh_cv_c_signed,
-   [AC_TRY_COMPILE(, [signed char x;], bh_cv_c_signed=yes, bh_cv_c_signed=no)])
-  if test $bh_cv_c_signed = no; then
-    AC_DEFINE(signed, ,
-              [Define to empty if the C compiler doesn't support this keyword.])
-  fi
-])
diff --git a/m4/size_max.m4 b/m4/size_max.m4
deleted file mode 100644
index 029e471..0000000
--- a/m4/size_max.m4
+++ /dev/null
@@ -1,60 +0,0 @@
-# size_max.m4 serial 4
-dnl Copyright (C) 2003, 2005-2006 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-
-AC_DEFUN([gl_SIZE_MAX],
-[
-  AC_CHECK_HEADERS(stdint.h)
-  dnl First test whether the system already has SIZE_MAX.
-  AC_MSG_CHECKING([for SIZE_MAX])
-  result=
-  AC_EGREP_CPP([Found it], [
-#include <limits.h>
-#if HAVE_STDINT_H
-#include <stdint.h>
-#endif
-#ifdef SIZE_MAX
-Found it
-#endif
-], result=yes)
-  if test -z "$result"; then
-    dnl Define it ourselves. Here we assume that the type 'size_t' is not wider
-    dnl than the type 'unsigned long'. Try hard to find a definition that can
-    dnl be used in a preprocessor #if, i.e. doesn't contain a cast.
-    _AC_COMPUTE_INT([sizeof (size_t) * CHAR_BIT - 1], size_t_bits_minus_1,
-      [#include <stddef.h>
-#include <limits.h>], size_t_bits_minus_1=)
-    _AC_COMPUTE_INT([sizeof (size_t) <= sizeof (unsigned int)], fits_in_uint,
-      [#include <stddef.h>], fits_in_uint=)
-    if test -n "$size_t_bits_minus_1" && test -n "$fits_in_uint"; then
-      if test $fits_in_uint = 1; then
-        dnl Even though SIZE_MAX fits in an unsigned int, it must be of type
-        dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'.
-        AC_TRY_COMPILE([#include <stddef.h>
-          extern size_t foo;
-          extern unsigned long foo;
-          ], [], fits_in_uint=0)
-      fi
-      dnl We cannot use 'expr' to simplify this expression, because 'expr'
-      dnl works only with 'long' integers in the host environment, while we
-      dnl might be cross-compiling from a 32-bit platform to a 64-bit platform.
-      if test $fits_in_uint = 1; then
-        result="(((1U << $size_t_bits_minus_1) - 1) * 2 + 1)"
-      else
-        result="(((1UL << $size_t_bits_minus_1) - 1) * 2 + 1)"
-      fi
-    else
-      dnl Shouldn't happen, but who knows...
-      result='((size_t)~(size_t)0)'
-    fi
-  fi
-  AC_MSG_RESULT([$result])
-  if test "$result" != yes; then
-    AC_DEFINE_UNQUOTED([SIZE_MAX], [$result],
-      [Define as the maximum value of type 'size_t', if the system doesn't define it.])
-  fi
-])
diff --git a/m4/stdint_h.m4 b/m4/stdint_h.m4
deleted file mode 100644
index 3355f35..0000000
--- a/m4/stdint_h.m4
+++ /dev/null
@@ -1,26 +0,0 @@
-# stdint_h.m4 serial 5
-dnl Copyright (C) 1997-2004 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Paul Eggert.
-
-# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
-# doesn't clash with <sys/types.h>, and declares uintmax_t.
-
-AC_DEFUN([gl_AC_HEADER_STDINT_H],
-[
-  AC_CACHE_CHECK([for stdint.h], gl_cv_header_stdint_h,
-  [AC_TRY_COMPILE(
-    [#include <sys/types.h>
-#include <stdint.h>],
-    [uintmax_t i = (uintmax_t) -1;],
-    gl_cv_header_stdint_h=yes,
-    gl_cv_header_stdint_h=no)])
-  if test $gl_cv_header_stdint_h = yes; then
-    AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
-      [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
-       and declares uintmax_t. ])
-  fi
-])
diff --git a/m4/uintmax_t.m4 b/m4/uintmax_t.m4
deleted file mode 100644
index bf83ed7..0000000
--- a/m4/uintmax_t.m4
+++ /dev/null
@@ -1,30 +0,0 @@
-# uintmax_t.m4 serial 9
-dnl Copyright (C) 1997-2004 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Paul Eggert.
-
-AC_PREREQ(2.13)
-
-# Define uintmax_t to 'unsigned long' or 'unsigned long long'
-# if it is not already defined in <stdint.h> or <inttypes.h>.
-
-AC_DEFUN([gl_AC_TYPE_UINTMAX_T],
-[
-  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
-  AC_REQUIRE([gl_AC_HEADER_STDINT_H])
-  if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
-    AC_REQUIRE([gl_AC_TYPE_UNSIGNED_LONG_LONG])
-    test $ac_cv_type_unsigned_long_long = yes \
-      && ac_type='unsigned long long' \
-      || ac_type='unsigned long'
-    AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
-      [Define to unsigned long or unsigned long long
-       if <stdint.h> and <inttypes.h> don't define.])
-  else
-    AC_DEFINE(HAVE_UINTMAX_T, 1,
-      [Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.])
-  fi
-])
diff --git a/m4/ulonglong.m4 b/m4/ulonglong.m4
deleted file mode 100644
index dee10cc..0000000
--- a/m4/ulonglong.m4
+++ /dev/null
@@ -1,23 +0,0 @@
-# ulonglong.m4 serial 4
-dnl Copyright (C) 1999-2004 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Paul Eggert.
-
-# Define HAVE_UNSIGNED_LONG_LONG if 'unsigned long long' works.
-
-AC_DEFUN([gl_AC_TYPE_UNSIGNED_LONG_LONG],
-[
-  AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
-  [AC_TRY_LINK([unsigned long long ull = 1ULL; int i = 63;],
-    [unsigned long long ullmax = (unsigned long long) -1;
-     return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
-    ac_cv_type_unsigned_long_long=yes,
-    ac_cv_type_unsigned_long_long=no)])
-  if test $ac_cv_type_unsigned_long_long = yes; then
-    AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
-      [Define if you have the 'unsigned long long' type.])
-  fi
-])
diff --git a/m4/visibility.m4 b/m4/visibility.m4
deleted file mode 100644
index 2ff6330..0000000
--- a/m4/visibility.m4
+++ /dev/null
@@ -1,52 +0,0 @@
-# visibility.m4 serial 1 (gettext-0.15)
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-
-dnl Tests whether the compiler supports the command-line option
-dnl -fvisibility=hidden and the function and variable attributes
-dnl __attribute__((__visibility__("hidden"))) and
-dnl __attribute__((__visibility__("default"))).
-dnl Does *not* test for __visibility__("protected") - which has tricky
-dnl semantics (see the 'vismain' test in glibc) and does not exist e.g. on
-dnl MacOS X.
-dnl Does *not* test for __visibility__("internal") - which has processor
-dnl dependent semantics.
-dnl Does *not* test for #pragma GCC visibility push(hidden) - which is
-dnl "really only recommended for legacy code".
-dnl Set the variable CFLAG_VISIBILITY.
-dnl Defines and sets the variable HAVE_VISIBILITY.
-
-AC_DEFUN([gl_VISIBILITY],
-[
-  AC_REQUIRE([AC_PROG_CC])
-  CFLAG_VISIBILITY=
-  HAVE_VISIBILITY=0
-  if test -n "$GCC"; then
-    AC_MSG_CHECKING([for simple visibility declarations])
-    AC_CACHE_VAL(gl_cv_cc_visibility, [
-      gl_save_CFLAGS="$CFLAGS"
-      CFLAGS="$CFLAGS -fvisibility=hidden"
-      AC_TRY_COMPILE(
-        [extern __attribute__((__visibility__("hidden"))) int hiddenvar;
-         extern __attribute__((__visibility__("default"))) int exportedvar;
-         extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
-         extern __attribute__((__visibility__("default"))) int exportedfunc (void);],
-        [],
-        gl_cv_cc_visibility=yes,
-        gl_cv_cc_visibility=no)
-      CFLAGS="$gl_save_CFLAGS"])
-    AC_MSG_RESULT([$gl_cv_cc_visibility])
-    if test $gl_cv_cc_visibility = yes; then
-      CFLAG_VISIBILITY="-fvisibility=hidden"
-      HAVE_VISIBILITY=1
-    fi
-  fi
-  AC_SUBST([CFLAG_VISIBILITY])
-  AC_SUBST([HAVE_VISIBILITY])
-  AC_DEFINE_UNQUOTED([HAVE_VISIBILITY], [$HAVE_VISIBILITY],
-    [Define to 1 or 0, depending whether the compiler supports simple visibility declarations.])
-])
diff --git a/m4/wchar_t.m4 b/m4/wchar_t.m4
deleted file mode 100644
index cde2129..0000000
--- a/m4/wchar_t.m4
+++ /dev/null
@@ -1,20 +0,0 @@
-# wchar_t.m4 serial 1 (gettext-0.12)
-dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-dnl Test whether <stddef.h> has the 'wchar_t' type.
-dnl Prerequisite: AC_PROG_CC
-
-AC_DEFUN([gt_TYPE_WCHAR_T],
-[
-  AC_CACHE_CHECK([for wchar_t], gt_cv_c_wchar_t,
-    [AC_TRY_COMPILE([#include <stddef.h>
-       wchar_t foo = (wchar_t)'\0';], ,
-       gt_cv_c_wchar_t=yes, gt_cv_c_wchar_t=no)])
-  if test $gt_cv_c_wchar_t = yes; then
-    AC_DEFINE(HAVE_WCHAR_T, 1, [Define if you have the 'wchar_t' type.])
-  fi
-])
diff --git a/m4/wint_t.m4 b/m4/wint_t.m4
deleted file mode 100644
index b8fff9c..0000000
--- a/m4/wint_t.m4
+++ /dev/null
@@ -1,20 +0,0 @@
-# wint_t.m4 serial 1 (gettext-0.12)
-dnl Copyright (C) 2003 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible.
-dnl Test whether <wchar.h> has the 'wint_t' type.
-dnl Prerequisite: AC_PROG_CC
-
-AC_DEFUN([gt_TYPE_WINT_T],
-[
-  AC_CACHE_CHECK([for wint_t], gt_cv_c_wint_t,
-    [AC_TRY_COMPILE([#include <wchar.h>
-       wint_t foo = (wchar_t)'\0';], ,
-       gt_cv_c_wint_t=yes, gt_cv_c_wint_t=no)])
-  if test $gt_cv_c_wint_t = yes; then
-    AC_DEFINE(HAVE_WINT_T, 1, [Define if you have the 'wint_t' type.])
-  fi
-])
diff --git a/m4/xsize.m4 b/m4/xsize.m4
deleted file mode 100644
index 85bb721..0000000
--- a/m4/xsize.m4
+++ /dev/null
@@ -1,13 +0,0 @@
-# xsize.m4 serial 3
-dnl Copyright (C) 2003-2004 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-AC_DEFUN([gl_XSIZE],
-[
-  dnl Prerequisites of lib/xsize.h.
-  AC_REQUIRE([gl_SIZE_MAX])
-  AC_REQUIRE([AC_C_INLINE])
-  AC_CHECK_HEADERS(stdint.h)
-])