grep-2.25HEADgrep-2.25master

1 files changed, 198 insertions, 0 deletions

diff --git a/dist-check.mk b/dist-check.mk
new file mode 100644
index 0000000..f23339e
--- /dev/null
+++ b/dist-check.mk
@@ -0,0 +1,198 @@
+# Most of this is probably too coreutils-centric to be useful to other packages.
+
+bin=bin-$$$$
+
+write_loser = printf '\#!%s\necho $$0: bad path 1>&2; exit 1\n' '$(SHELL)'
+
+tmpdir = $(abs_top_builddir)/tests/torture
+
+t=$(tmpdir)/$(PACKAGE)/test
+pfx=$(t)/i
+
+built_programs =						\
+  $$(echo 'spy:;@echo $$(bin_PROGRAMS)'				\
+    | MAKEFLAGS= $(MAKE) -s -f Makefile -f - spy		\
+    | fmt -1 | sed 's,$(EXEEXT)$$,,' | sort -u)
+
+# More than once, tainted build and source directory names would
+# have caused at least one "make check" test to apply "chmod 700"
+# to all directories under $HOME.  Make sure it doesn't happen again.
+tp = $(tmpdir)/taint
+t_prefix = $(tp)/a
+t_taint = '$(t_prefix) b'
+fake_home = $(tp)/home
+
+# When extracting from a distribution tarball, extract using the fastest
+# method possible.  With dist-xz, that means using the *.xz file.
+ifneq ('', $(filter *.xz, $(DIST_ARCHIVES)))
+  tar_decompress_opt_ = J
+  suffix_ = xz
+else
+  ifneq ('', $(filter *.gz, $(DIST_ARCHIVES)))
+    tar_decompress_opt_ = z
+    suffix_ = gz
+  else
+    tar_decompress_opt_ = j
+    suffix_ = bz2
+  endif
+endif
+amtar_extract_ = $(AMTAR) -$(tar_decompress_opt_)xf
+preferred_tarball_ = $(distdir).tar.$(suffix_)
+
+# Ensure that tests run from tainted build and src dir names work,
+# and don't affect anything in $HOME.  Create witness files in $HOME,
+# record their attributes, and build/test.  Then ensure that the
+# witnesses were not affected.
+# Skip this test when using libtool, since libtool-generated scripts
+# cannot deal with a space-tainted srcdir.
+ALL_RECURSIVE_TARGETS += taint-distcheck
+taint-distcheck: $(DIST_ARCHIVES)
+	grep '^[	 ]*LT_INIT' configure.ac >/dev/null && exit 0 || :
+	test -d $(t_taint) && chmod -R 700 $(t_taint) || :
+	-rm -rf $(t_taint) $(fake_home)
+	mkdir -p $(t_prefix) $(t_taint) $(fake_home)
+	$(amtar_extract_) $(preferred_tarball_) -C $(t_taint)
+	mkfifo $(fake_home)/fifo
+	touch $(fake_home)/f
+	mkdir -p $(fake_home)/d/e
+	ls -lR $(fake_home) $(t_prefix) > $(tp)/.ls-before
+	HOME=$(fake_home); export HOME;			\
+	cd $(t_taint)/$(distdir)			\
+	  && ./configure				\
+	  && $(MAKE)					\
+	  && $(MAKE) check				\
+	  && ls -lR $(fake_home) $(t_prefix) > $(tp)/.ls-after \
+	  && diff $(tp)/.ls-before $(tp)/.ls-after	\
+	  && test -d $(t_prefix)
+	rm -rf $(tp)
+
+# Verify that a twisted use of --program-transform-name=PROGRAM works.
+define install-transform-check
+  echo running install-transform-check			\
+    && rm -rf $(pfx)					\
+    && $(MAKE) program_transform_name='s/.*/zyx/'	\
+      prefix=$(pfx) install				\
+    && test "$$(echo $(pfx)/bin/*)" = "$(pfx)/bin/zyx"	\
+    && test "$$(find $(pfx)/share/man -type f|sed 's,.*/,,;s,\..*,,')" = "zyx"
+endef
+
+# Install, then verify that all binaries and man pages are in place.
+# Note that neither the binary, ginstall, nor the [.1 man page is installed.
+define my-instcheck
+  echo running my-instcheck;				\
+  $(MAKE) prefix=$(pfx) install				\
+    && test ! -f $(pfx)/bin/ginstall			\
+    && { fail=0;					\
+      for i in $(built_programs); do			\
+        test "$$i" = ginstall && i=install;		\
+        for j in "$(pfx)/bin/$$i"			\
+                 "$(pfx)/share/man/man1/$$i.1"; do	\
+          case $$j in *'[.1') continue;; esac;		\
+          test -f "$$j" && :				\
+            || { echo "$$j not installed"; fail=1; };	\
+        done;						\
+      done;						\
+      test $$fail = 1 && exit 1 || :;			\
+    }
+endef
+
+# The hard-linking for-loop below ensures that there is a bin/ directory
+# full of all of the programs under test (except the ones that are required
+# for basic Makefile rules), all symlinked to the just-built "false" program.
+# This is to ensure that if ever a test neglects to make PATH include
+# the build srcdir, these always-failing programs will run.
+# Otherwise, it is too easy to test the wrong programs.
+# Note that "false" itself is a symlink to true, so it too will malfunction.
+define coreutils-path-check
+  {							\
+    echo running coreutils-path-check;			\
+    if test -f $(srcdir)/src/true.c; then		\
+      fail=1;						\
+      mkdir $(bin)					\
+	&& ($(write_loser)) > $(bin)/loser		\
+	&& chmod a+x $(bin)/loser			\
+	&& for i in $(built_programs); do		\
+	       case $$i in				\
+		 rm|expr|basename|echo|sort|ls|tr);;	\
+		 cat|dirname|mv|wc);;			\
+		 *) ln $(bin)/loser $(bin)/$$i;;	\
+	       esac;					\
+	     done					\
+	  && ln -sf ../src/true $(bin)/false		\
+	  && PATH=`pwd`/$(bin)$(PATH_SEPARATOR)$$PATH	\
+		$(MAKE) -C tests check			\
+	  && { test -d gnulib-tests			\
+		 && $(MAKE) -C gnulib-tests check	\
+		 || :; }				\
+	  && rm -rf $(bin)				\
+	  && fail=0;					\
+    else						\
+      fail=0;						\
+    fi;							\
+    test $$fail = 1 && exit 1 || :;			\
+  }
+endef
+
+# More generic version of the rule above.
+define generic-path-check
+  {							\
+    echo running generic-path-check;			\
+    if test -f /bin/false; then				\
+      fail=1;						\
+      mkdir $(bin)					\
+	&& ($(write_loser)) > $(bin)/loser		\
+	&& chmod a+x $(bin)/loser			\
+	&& for i in $(built_programs); do		\
+	     ln $(bin)/loser $(bin)/$$i;		\
+	   done						\
+	&& PATH=`pwd`/$(bin)$(PATH_SEPARATOR)$$PATH	\
+	     $(MAKE) check				\
+	&& { test -d gnulib-tests			\
+	       && $(MAKE) -C gnulib-tests check		\
+	       || :; }					\
+	&& rm -rf $(bin)				\
+	&& fail=0;					\
+    else						\
+      fail=0;						\
+    fi;							\
+    test $$fail = 1 && exit 1 || :;			\
+  }
+endef
+
+# Use this to make sure we don't run these programs when building
+# from a virgin compressed tarball file, below.
+null_AM_MAKEFLAGS ?= \
+  ACLOCAL=false \
+  AUTOCONF=false \
+  AUTOMAKE=false \
+  AUTOHEADER=false \
+  GPERF=false \
+  MAKEINFO=false
+
+ALL_RECURSIVE_TARGETS += my-distcheck
+my-distcheck: $(DIST_ARCHIVES) $(local-check)
+	$(MAKE) syntax-check
+	$(MAKE) check
+	-rm -rf $(t)
+	mkdir -p $(t)
+	$(amtar_extract_) $(preferred_tarball_) -C $(t)
+	(set -e; cd $(t)/$(distdir);			\
+	  ./configure --quiet --enable-gcc-warnings --disable-nls; \
+	  $(MAKE) AM_MAKEFLAGS='$(null_AM_MAKEFLAGS)';	\
+	  $(MAKE) dvi;					\
+	  $(install-transform-check);			\
+	  $(my-instcheck);				\
+	  $(coreutils-path-check);			\
+	  $(generic-path-check);			\
+	  $(MAKE) distclean				\
+	)
+	(cd $(t) && mv $(distdir) $(distdir).old	\
+	  && $(amtar_extract_) - ) < $(preferred_tarball_)
+	find $(t)/$(distdir).old $(t)/$(distdir) -name .deps | xargs rmdir
+	diff -ur $(t)/$(distdir).old $(t)/$(distdir)
+	-rm -rf $(t)
+	rmdir $(tmpdir)/$(PACKAGE) $(tmpdir)
+	@echo "========================"; \
+	echo "ready for distribution:"; \
+	for i in $(DIST_ARCHIVES); do echo "  $$i"; done; \
+	echo "========================"