NetBSD/gnu/dist/gcc/cpp.in

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#! /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