#! /bin/sh # Copyright (C) 2002-2018 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 . # The true/false example from the manual, plus a check for _SHORTNAME. required='cc native' . test-init.sh cat >> configure.ac << 'END' AC_PROG_CC AC_OUTPUT END cat > Makefile.am << 'END' bin_PROGRAMS = false true true_SOURCES = false.c true_CFLAGS = -DAM_TRUE true_SHORTNAME = t # No false_SOURCES definition. Use the default source. false_CFLAGS = -DAM_FALSE false_SHORTNAME = f END cat > false.c << 'END' #include int main (int argc, char *argv[]) { #ifdef AM_TRUE puts ("true"); #else puts ("false"); #endif return 0; } END $ACLOCAL $AUTOCONF $AUTOMAKE -a ./configure $MAKE ./true | grep true ./false | grep false objext=$(sed -n -e 's/^OBJEXT = //p' < Makefile) test -f ./t-false.$objext test -f ./f-false.$objext :