2 # Copyright (C) 2003-2024 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 <https://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.${BOT}],,
28 AC_CONFIG_FILES([sub3/Makefile])
35 echo '#define NAME "grepme1"' >sub
2/config.bot
37 cat > Makefile.am
<<'END'
39 .PHONY: test-prog-updated
41 is_newest sub3/run$(EXEEXT) sub2/config.bot
44 cat > sub
3/Makefile.am
<<'END'
48 cat >sub
3/run.c
<<'EOF'
55 puts (NAME); /* from config.h */
56 puts (PACKAGE); /* from defs.h */
66 # Do not reject slow dependency extractors: we need dependency tracking.
67 .
/configure
--enable-dependency-tracking
70 cross_compiling || sub
3/run |
grep grepme1 ||
exit 1
73 echo '#define NAME "grepme2"' > sub
2/config.bot
75 cross_compiling || sub
3/run |
grep grepme2 ||
exit 1
76 $MAKE test-prog-updated