| #! /bin/sh |
| # Copyright (C) 2002 Free Software Foundation, Inc. |
| # |
| # This file is part of GNU Automake. |
| # |
| # GNU Automake 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. |
| # |
| # GNU Automake 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 autoconf; see the file COPYING. If not, write to |
| # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| # Boston, MA 02111-1307, USA. |
| |
| # Like the true/false example from the manual, |
| # with one extra indirection in the sources (PR/315), and |
| # use of _CPPFLAGS (PR/337). |
| |
| required=gcc |
| . ./defs || exit 1 |
| |
| set -e |
| |
| cat >> configure.in << 'END' |
| AC_PROG_CC |
| AC_OUTPUT |
| END |
| |
| # Using a separate variable to hold all the sources for a program is |
| # common when building many flavors of this program, each with |
| # different flags. |
| |
| cat > Makefile.am << 'END' |
| FALSESOURCE = false.c |
| bin_PROGRAMS = false true |
| true_SOURCES = $(FALSESOURCE) |
| true_CPPFLAGS = -DAM_TRUE |
| false_SOURCES = $(FALSESOURCE) |
| false_CPPFLAGS = -DAM_FALSE |
| END |
| |
| cat > false.c << 'END' |
| #include <stdio.h> |
| 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 |
