2 # Copyright (C) 2010-2012 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2, or (at your option)
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # Test remake rules when acinclude.m4 or its prerequisites change.
18 # Keep in sync with the other sister tests 'remake-after-*.sh'.
22 magic1
=::MagicStringOne
::
23 magic2
=__MagicStringTwo__
26 remake_
() { $MAKE nil
; }
28 remake_
() { $MAKE Makefile
&& $MAKE foo.sh
; }
31 cat >> configure.ac
<<END
32 FINGERPRINT='my_fingerprint'
33 AC_SUBST([FINGERPRINT])
34 AC_CONFIG_FILES([foo.sh:foo.in], [chmod a+x foo.sh])
38 cat > Makefile.am
<<'END'
42 # The right way to extend an autogenerated aclocal.m4 is to provide
43 # an acinclude.m4 file.
44 $(srcdir)/acinclude.m4: $(srcdir)/tweak-acinclude-m4
45 $(SHELL) $(srcdir)/tweak-acinclude-m4 <$@ >$@-t
48 EXTRA_DIST = $(srcdir)/tweak-acinclude-m4
50 # Used by "make distcheck" later.
52 test x'$(FINGERPRINT)' = x'DummyValue'
53 test x"`./foo.sh`" = x"DummyValue"
61 echo "AC_DEFUN([my_fingerprint], [BadBadBad])" > acinclude.
m4
63 echo : > tweak-acinclude-m4
# It is a no-op by default.
69 for vpath
in : false
; do
80 $MAKE # Should be a no-op.
83 echo "AC_DEFUN([my_fingerprint], [$magic1])" > $srcdir/acinclude.
m4
85 $FGREP FINGERPRINT Makefile
# For debugging.
86 $FGREP $magic1 Makefile
87 test x
"$(./foo.sh)" = x
"$magic1"
90 echo "echo 'AC_DEFUN([my_fingerprint], [$magic2])'" \
91 > $srcdir/tweak-acinclude-m4
93 $FGREP FINGERPRINT Makefile
# For debugging.
94 $FGREP $magic1 Makefile
&& exit 1
95 $FGREP $magic2 Makefile
96 test x
"$(./foo.sh)" = x
"$magic2"
99 echo : > $srcdir/tweak-acinclude-m4
# Make it a no-op again.
100 echo "AC_DEFUN([my_fingerprint], [DummyValue])" > $srcdir/acinclude.
m4
101 using_gmake || remake_
103 $FGREP $magic1 Makefile
&& exit 1 # Sanity check.
104 $FGREP $magic2 Makefile
&& exit 1 # Likewise.