#! /bin/sh

#  Copyright (C) 1999 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, write to the Free Software
#  Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

# cpp: wrapper script for `gcc -E'

# Check whether an input file was specified.
# This has some limited awareness of which switches take arguments.

stdin="-"
next_is_arg=
for arg
do
    if [ -n "$next_is_arg" ]
    then next_is_arg=
    else
	case "$arg" in
	    -i* | -o | -x) next_is_arg=t;;
	    -) stdin= ;;
	    -*) ;;
	    *) stdin= ;;
	esac
    fi
done

# Hand off to the gcc driver, with -E (preprocess only)
# and -xc (treat unknown files as source, not linker scripts)
exec @GCC@ -E -xc ${1+"$@"} $stdin