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 aclocal.m4 or its prerequisites change.
18 # Keep in sync with the other sister tests 'remake9*.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 # A non-autogenerated aclocal.m4 can be extended by hand.
43 $(srcdir)/aclocal.m4: $(srcdir)/tweak-aclocal-m4
44 $(SHELL) $(srcdir)/tweak-aclocal-m4 <$@ >$@-t
47 EXTRA_DIST = $(srcdir)/tweak-aclocal-m4
49 # Used by "make distcheck" later.
51 test x'$(FINGERPRINT)' = x'DummyValue'
52 test x"`./foo.sh`" = x"DummyValue"
60 echo cat > tweak-aclocal-m4 # It is a no-op by default.
63 # Cheatingly mark aclocal.m4 as non auto-generated.
64 sed '/^ *#.*generated automatically/d' aclocal.m4 > t
69 for vpath in : false; do
80 $MAKE # Should be a no-op.
83 echo "AC_DEFUN([my_fingerprint], [$magic1])dnl %%%" >> $srcdir/aclocal.m4
85 $FGREP FINGERPRINT Makefile # For debugging.
86 $FGREP $magic1 Makefile
87 test x"$(./foo.sh)" = x"$magic1"
90 echo "sed 's/.*dnl *%%%.*/AC_DEFUN([my_fingerprint], [$magic2])/'" \
91 > $srcdir/tweak-aclocal-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 cat > $srcdir/tweak-aclocal-m4 # Make it a no-op again.
100 echo 'AC_DEFUN([my_fingerprint], [DummyValue])' >> $srcdir/aclocal.m4
101 using_gmake || remake_
103 $FGREP $magic1 Makefile && exit 1 # Sanity check.
104 $FGREP $magic2 Makefile && exit 1 # Likewise.