2 # Copyright (C) 2003-2012 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 # Check rebuild rules for AC_CONFIG_HEADERS.
18 # (This should also work without GNU Make.)
23 cat >>configure.ac <<'EOF'
25 AC_SUBST([BOT], [bot])
26 AC_CONFIG_HEADERS([defs.h config.h:sub1/config.top:sub2/config.${BOT}],,
28 AC_CONFIG_FILES([sub3/Makefile])
35 echo '#define NAME "grepme1"' >sub2/config.bot
37 cat > Makefile.am <<'END'
39 .PHONY: test-prog-updated
41 stat older sub3/run$(EXEEXT) || : For debugging.
42 test `ls -t older sub3/run$(EXEEXT) | sed 1q` = sub3/run$(EXEEXT)
45 cat > sub3/Makefile.am <<'END'
49 cat >sub3/run.c <<'EOF'
56 puts (NAME); /* from config.h */
57 puts (PACKAGE); /* from defs.h */
67 # Do not reject slow dependency extractors: we need dependency tracking.
68 ./configure --enable-dependency-tracking
71 cross_compiling || { sub3/run | grep grepme1; }
75 echo '#define NAME "grepme2"' > sub2/config.bot
77 cross_compiling || { sub3/run | grep grepme2; }
78 $MAKE test-prog-updated