#! /bin/sh
# Copyright (C) 2001, 2002, 2008  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 <http://www.gnu.org/licenses/>.

# Test to make sure we can compile when the compiler doesn't
# understand `-c -o'.

required=gcc
. ./defs || Exit 1

cat > configure.1 << 'END'
AC_INIT(a.c)
AM_INIT_AUTOMAKE(nonesuch, 0.23)
AC_PROG_CC
AM_PROG_CC_C_O
AC_OUTPUT(Makefile)
END

# This one makes sure that $CC can be used after AM_PROG_CC_C_O.
cat > configure.3 << 'END'
AC_INIT(a.c)
AM_INIT_AUTOMAKE(nonesuch, 0.23)
AC_PROG_CC
AM_PROG_CC_C_O
$CC -v > Hi 2>&1 || exit 1
AC_OUTPUT(Makefile)
END

cat > Makefile.am << 'END'
bin_PROGRAMS = wish
wish_SOURCES = a.c
# Make sure we need something strange.
wish_CFLAGS = -g
END

cat > a.c << 'END'
#include <stdio.h>

int main ()
{
   printf ("hi\n");
}
END

cat > Mycomp << 'END'
#!/bin/sh

case " "$* in
 *\ -c*\ -o* | *\ -o*\ -c*)
    exit 1
    ;;
esac

exec gcc "$@"
END

chmod +x Mycomp

set -e


# Ignore user CFLAGS.
CFLAGS=
export CFLAGS

for conf in configure.1 configure.3; do
   cp $conf configure.in

   $ACLOCAL
   $AUTOCONF
   $AUTOMAKE --copy --add-missing

   rm -rf build
   mkdir build
   cd build

   # Make sure the compiler doesn't understand `-c -o'
   CC=`pwd`/../Mycomp
   export CC

   ../configure
   $MAKE

   cd ..
done