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#! /bin/sh
# Copyright (C) 2010-2021 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 <https://www.gnu.org/licenses/>.
# Test basic remake rules for Makefiles, for a *VPATH build*.
# This testcase checks dependency of generated Makefile from Makefile.am,
# configure.ac, acinclude.m4, aclocal.m4, and extra m4 files considered
# by aclocal.
# Keep this in sync with sister test 'remake-makefile-instree.sh', which
# performs the same checks for a in-tree build.
. test-init.sh
mv -f configure.ac configure.stub
cat > Makefile.am <<'END'
all-local: foo
foo:
echo '!Foo!' >$@
check-local:
cat foo
grep '!Foo!' foo
CLEANFILES = foo
END
cat configure.stub - > configure.ac <<'END'
AC_OUTPUT
END
$ACLOCAL
$AUTOCONF
$AUTOMAKE
mkdir build
cd build
srcdir='..' # To make syncing with remake-makefile-intree.sh easier.
$srcdir/configure
$MAKE
cat foo
grep '!Foo!' foo
$MAKE distcheck
rm -f foo
# Modify just Makefile.am.
$sleep
cat > $srcdir/Makefile.am <<'END'
all-local: bar
bar:
echo '!Baz!' >$@
check-local:
cat bar
grep '!Baz!' bar
test ! -r $(srcdir)/foo
test ! -r foo
CLEANFILES = bar
END
using_gmake || $MAKE Makefile
$MAKE
cat bar
grep '!Baz!' bar
test ! -e foo
$MAKE distcheck
rm -f bar
# Modify Makefile.am and configure.ac.
$sleep
cat > $srcdir/Makefile.am <<'END'
check-local:
cat quux
grep '!Zardoz!' quux
test ! -r $(srcdir)/bar
test ! -r bar
END
cat $srcdir/configure.stub - > $srcdir/configure.ac <<'END'
AC_CONFIG_FILES([quux])
AC_SUBST([QUUX], [Zardoz])
AC_OUTPUT
END
cat > $srcdir/quux.in <<'END'
!@QUUX@!
END
using_gmake || $MAKE Makefile
$MAKE
cat quux
grep '!Zardoz!' quux
test ! -e bar
$MAKE distcheck
rm -f quux
# Modify configure.ac and aclocal.m4 to add a directory of extra m4
# files considered by aclocal. Also update checks in Makefile.am.
# Note that we won't use this new directory of extra m4 files in the
# first rebuild below (but we will in the second).
$sleep
mkdir $srcdir/m4
cat > $srcdir/Makefile.am <<'END'
all-local: quux
check-local:
cat quux
grep '%Foo%' quux
test x'$(QUUX)' = x'%Foo%'
END
# Modify configure.ac and aclocal.m4.
$sleep
cat $srcdir/configure.stub - > $srcdir/configure.ac <<'END'
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_FILES([quux])
MY_CUSTOM_MACRO
AC_OUTPUT
END
cat >> $srcdir/aclocal.m4 <<'END'
AC_DEFUN([MY_CUSTOM_MACRO], [AC_SUBST([QUUX], [%Foo%])])
END
$MAKE
cat quux
grep '%Foo%' quux
$MAKE distcheck
# Modify Makefile.am, remove aclocal.m4, and add a new m4 file to
# the directory of extra m4 files considered by aclocal. This new
# file should now provide a macro required by configure.ac and that
# was previously provided by aclocal.m4.
$sleep
sed 's/%Foo%/%Bar%/g' $srcdir/Makefile.am > t
mv -f t $srcdir/Makefile.am
cat $srcdir/Makefile.am
rm -f $srcdir/aclocal.m4
cat > $srcdir/m4/blah.m4 <<'END'
AC_DEFUN([MY_CUSTOM_MACRO], [AC_SUBST([QUUX], [%Bar%])])
END
$MAKE
cat quux
grep '%Bar%' quux
$MAKE distcheck
# Modify Makefile.am, remove all the extra m4 files to considered
# by aclocal, and add an acinclude.m4 file. This last file should
# now provide a macro required by configure.ac, and that was
# previously provided by the extra m4 files considered by aclocal.
$sleep
rm -f $srcdir/m4/*.m4
sed 's/%Bar%/%Quux%/g' $srcdir/Makefile.am > t
mv -f t $srcdir/Makefile.am
cat $srcdir/Makefile.am
cat > $srcdir/acinclude.m4 <<'END'
AC_DEFUN([MY_CUSTOM_MACRO], [AC_SUBST([QUUX], [%Quux%])])
END
$MAKE
cat quux
grep '%Quux%' quux
$MAKE distcheck
:
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