NetBSD/gnu/dist/grep/autogen.sh
wiz 49af49c40e Import grep-2.5.
Warning: -o is now a valid GNU grep option (--only-matching (-o)), so we
will not be supporting the 4.4BSD -o any longer -- use -H instead.
2003-01-26 23:15:08 +00:00

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#!/bin/sh
# We want to support both legacy and current autoconf - this is a bit ugly...
AC_VERSION=`autoconf --version 2>&1 |head -n1 |sed -e "s/.* //;s/\.//;s/[a-z]//"`
if test -z "$AC_VERSION"; then
echo "Warning: Couldn't determine autoconf version. Assuming a current version."
AC_VERSION=252
fi
if test "$AC_VERSION" -lt 250; then
rm -f acinclude.m4
echo "#undef ssize_t" >acconfig.h
for i in m4/*.m4; do
if cat $i |grep -q "jm_"; then
cat $i >>acinclude.m4
elif test ! -e `aclocal --print-ac-dir`/`basename $i`; then
cat $i >>acinclude.m4
fi
done
aclocal
else
aclocal -I m4
fi
autoheader
automake -a
if test "$AC_VERSION" -lt 250; then
# Workaround for a bug in ancient versions of autoheader
sed -e 's,#undef $,/* your autoheader is buggy */,g' config.hin >config.hin.new
rm config.hin
mv config.hin.new config.hin
# Make sure config.hin doesn't get rebuilt after the workaround
sed -e 's,@AUTOHEADER@,true,' Makefile.in >Makefile.in.new
rm Makefile.in
mv Makefile.in.new Makefile.in
fi
autoconf