#! /bin/sh
# Copyright (C) 2003, 2004, 2010, 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 <http://www.gnu.org/licenses/>.

# Check icc's dependency mode.

required='icc'
. ./defs || Exit 1

# Automake supports icc since version 7.0 through a dedicated depcomp mode.
# icc 8.0 and greater understand gcc options, so depmode is set to gcc.
if icc -V -help 2>&1 | grep 'Version 7'; then
  expect='depmode=icc'
else
  expect='depmode=gcc'
fi

cat >> configure.in << 'END'
AC_PROG_CC
AM_PROG_CC_C_O
AC_OUTPUT
END

cat > Makefile.am << 'END'
AUTOMAKE_OPTIONS = subdir-objects
check_PROGRAMS = prg
prg_SOURCES = src/sub.c src/foo.h

.PHONY: grepdeps
grepdeps:
	grep 'src/sub\.$(OBJEXT).*:' src/$(DEPDIR)/sub.Po

END

mkdir src

touch src/foo.h

cat >src/sub.c <<EOF
#include "foo.h"
int
main ()
{
   return 0;
}
EOF

$ACLOCAL
$AUTOCONF
$AUTOMAKE -a

./configure
grep "$expect" Makefile
$MAKE check
$MAKE grepdeps

: