gflags/autogen.sh
Craig Silverstein 31c8edc53e Mon Jan 4 18:09:30 2010 Google Inc. <opensource@google.com>
* google-gflags: version 1.3
	* PORTABILITY: can now build and run tests under MSVC (csilvers)
	* Remove the python gflags code, which is now its own package (tansell)
	* Clarify that "last flag wins" in the docs (csilvers)
	* Comment danger of using GetAllFlags in validators (wojtekm)
	* PORTABILITY: Some fixes necessary for c++0x (mboerger)
	* Makefile fix: $(srcdir) -> $(top_srcdir) in one place (csilvres)
	* INSTALL: autotools to autoconf v2.64 + automake v1.11 (csilvers)


git-svn-id: https://gflags.googlecode.com/svn/trunk@35 6586e3c6-dcc4-952a-343f-ff74eb82781d
2010-01-05 02:25:45 +00:00

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#!/bin/sh
# Before using, you should figure out all the .m4 macros that your
# configure.m4 script needs and make sure they exist in the m4/
# directory.
#
# These are the files that this script might edit:
# aclocal.m4 configure Makefile.in src/config.h.in \
# depcomp config.guess config.sub install-sh missing mkinstalldirs \
# ltmain.sh
#
# Here's a command you can run to see what files aclocal will import:
# aclocal -I ../autoconf --output=- | sed -n 's/^m4_include..\([^]]*\).*/\1/p'
set -ex
rm -rf autom4te.cache
trap 'rm -f aclocal.m4.tmp' EXIT
# Returns the first binary in $* that exists, or the last arg, if none exists.
WhichOf() {
for candidate in "$@"; do
if "$candidate" --version >/dev/null 2>&1; then
echo "$candidate"
return
fi
done
echo "$candidate" # the last one in $@
}
# Use version 1.9 of aclocal and automake if available.
ACLOCAL=`WhichOf aclocal-1.9 aclocal`
AUTOMAKE=`WhichOf automake-1.9 automake`
LIBTOOLIZE=`WhichOf glibtoolize libtoolize15 libtoolize14 libtoolize`
# aclocal tries to overwrite aclocal.m4 even if the contents haven't
# changed, which is annoying when the file is not open for edit (in
# p4). We work around this by writing to a temp file and just
# updating the timestamp if the file hasn't change.
"$ACLOCAL" --force -I m4 --output=aclocal.m4.tmp
if cmp aclocal.m4.tmp aclocal.m4; then
touch aclocal.m4 # pretend that we regenerated the file
rm -f aclocal.m4.tmp
else
mv aclocal.m4.tmp aclocal.m4 # we did set -e above, so we die if this fails
fi
grep -q '^[^#]*AC_PROG_LIBTOOL' configure.ac && "$LIBTOOLIZE" -c -f
autoconf -f -W all,no-obsolete
autoheader -f -W all
"$AUTOMAKE" -a -c -f -W all
rm -rf autom4te.cache
exit 0