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#! /bin/sh
# Copyright (C) 2004, 2008 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 <http://www.gnu.org/licenses/>.
# Make sure m4_included files are also scanned for definitions.
# Report from Phil Edwards.
required=GNUmake
. ./defs || Exit 1
set -e
cat >> configure.in << 'END'
AM_PROG_LIBTOOL
AC_OUTPUT
END
echo 'm4_include([a.m4])' > acinclude.m4
echo 'm4_include([b.m4])' > a.m4
cat >b.m4 <<EOF
m4_include([c.m4])
AC_DEFUN([AM_PROG_LIBTOOL],
[AC_REQUIRE([SOMETHING])dnl
AC_REQUIRE([SOMETHING_ELSE])dnl
])
AC_DEFUN([SOMETHING])
EOF
echo 'm4_include([d.m4])' > c.m4
echo 'AC_DEFUN([SOMETHING_ELSE])' >d.m4
mkdir defs
echo 'AC_DEFUN([SOMETHING_ELSE])' >defs/e.m4
echo 'AC_DEFUN([ANOTHER_MACRO])' >defs/f.m4
cat >>Makefile.am<<\EOF
ACLOCAL_AMFLAGS = -I defs
testdist1: distdir
test -f $(distdir)/acinclude.m4
test -f $(distdir)/a.m4
test -f $(distdir)/b.m4
test -f $(distdir)/c.m4
test -f $(distdir)/d.m4
test ! -d $(distdir)/defs
testdist2: distdir
test -f $(distdir)/acinclude.m4
test -f $(distdir)/a.m4
test -f $(distdir)/b.m4
test -f $(distdir)/c.m4
test -f $(distdir)/d.m4
test ! -f $(distdir)/defs/e.m4
test -f $(distdir)/defs/f.m4
EOF
$ACLOCAL -I defs
$FGREP acinclude.m4 aclocal.m4
# None of the following macro should be included. acinclude.m4
# includes the first four, and the last two are not needed at all.
$FGREP a.m4 aclocal.m4 && Exit 1
$FGREP b.m4 aclocal.m4 && Exit 1
$FGREP c.m4 aclocal.m4 && Exit 1
$FGREP d.m4 aclocal.m4 && Exit 1
$FGREP defs/e.m4 aclocal.m4 && Exit 1
$FGREP defs/f.m4 aclocal.m4 && Exit 1
$AUTOCONF
$AUTOMAKE
./configure
$MAKE testdist1
cp aclocal.m4 stamp
$sleep
cat >>c.m4 <<\EOF
AC_DEFUN([FOO], [ANOTHER_MACRO])
EOF
$MAKE
# Because c.m4 has changed, aclocal.m4 must have been rebuilt.
test `ls -1t aclocal.m4 stamp | sed 1q` = aclocal.m4
# However, since FOO is not used, f.m4 should not be included
# and the contents of aclocal.m4 should remain the same
cmp aclocal.m4 stamp
# If FOO where to be used, that would be another story, of course.
cat >>configure.in <<EOF
FOO
EOF
cp aclocal.m4 stamp
$sleep
$MAKE
grep 'defs/f.m4' aclocal.m4
$MAKE testdist2
# Make sure aclocal diagnose missing included files with correct `file:line:'.
rm -f b.m4
$ACLOCAL 2>stderr && { cat stderr >&2; Exit 1; }
grep 'a.m4:1:.*b.m4.*does not exist' stderr
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