#! /bin/sh # Copyright (C) 2011 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 . # Check that remake rules works from subdirectories, even with non-GNU # make implementations. . ./defs || Exit 1 set -e if using_gmake; then remake=$MAKE else remake="$MAKE Makefile" fi magic1='::MagicString::One::' magic2='__MagicString__Two__' debug_info () { grep -i magic configure Makefile.in Makefile sub/Makefile.in sub/Makefile } cat >> configure.in <<'END' AC_CONFIG_FILES([sub/Makefile]) AC_SUBST([MAGIC], [magic]) AC_OUTPUT END cat > Makefile.am <<'END' SUBDIRS = sub END mkdir sub : > sub/Makefile.am $ACLOCAL $AUTOCONF $AUTOMAKE ./configure $MAKE debug_info $sleep sed "s|magic|$magic1|" configure.in > t mv -f t configure.in cd sub $remake cd .. debug_info $FGREP $magic1 configure $FGREP $magic1 Makefile $FGREP $magic1 sub/Makefile $sleep cd sub echo MAGIC = $magic2 >> Makefile.am $remake cd .. debug_info $FGREP $magic2 sub/Makefile $FGREP $magic2 sub/Makefile.in $FGREP $magic1 sub/Makefile sub/Makefile.in && Exit 1 $FGREP $magic2 Makefile Makefile.in && Exit 1 :