#! /bin/sh
# Copyright (C) 2010, 2011 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
# Test remake rules when aclocal.m4 or its prerequisites change.
# Keep in sync with the other sister tests `remake9*.test'.
required=GNUmake
. ./defs || Exit 1
magic1=::MagicStringOne::
magic2=__MagicStringTwo__
cat >> configure.in < Makefile.am <<'END'
nil:
.PHONY: nil
# A non-autogenerated aclocal.m4 can be extended by hand.
$(srcdir)/aclocal.m4: $(srcdir)/tweak-aclocal-m4
$(SHELL) $(srcdir)/tweak-aclocal-m4 <$@ >$@-t
mv -f $@-t $@
touch $@
EXTRA_DIST = $(srcdir)/tweak-aclocal-m4
# Used by "make distcheck" later.
check-local:
test x'$(FINGERPRINT)' = x'DummyValue'
test x"`./foo.sh`" = x"DummyValue"
END
cat > foo.in < tweak-aclocal-m4 # no-op by default
$sleep # so that generated autotools files will be newer than prerequisites
$ACLOCAL
# Cheatingly mark aclocal.m4 as non auto-generated.
sed '/^ *#.*generated automatically/d' aclocal.m4 > t
mv -f t aclocal.m4
$AUTOCONF
$AUTOMAKE
for vpath in : false; do
if $vpath; then
mkdir build
cd build
srcdir=..
else
srcdir=.
fi
$srcdir/configure
$MAKE # should be no-op
$sleep
echo "AC_DEFUN([my_fingerprint], [$magic1])dnl %%%" >> $srcdir/aclocal.m4
$MAKE nil
$FGREP FINGERPRINT Makefile # for debugging
$FGREP $magic1 Makefile
test x"`./foo.sh`" = x"$magic1"
$sleep
echo "sed 's/.*dnl *%%%.*/AC_DEFUN([my_fingerprint], [$magic2])/'" \
> $srcdir/tweak-aclocal-m4
$MAKE nil
$FGREP FINGERPRINT Makefile # for debugging
$FGREP $magic1 Makefile && Exit 1
$FGREP $magic2 Makefile
test x"`./foo.sh`" = x"$magic2"
$sleep
echo cat > $srcdir/tweak-aclocal-m4 # no-op again
echo 'AC_DEFUN([my_fingerprint], [DummyValue])' >> $srcdir/aclocal.m4
$MAKE distcheck
$FGREP $magic1 Makefile && Exit 1 # sanity check
$FGREP $magic2 Makefile && Exit 1 # likewise
$MAKE distclean
cd $srcdir
done
: