# $NetBSD: transform-xlc-cc,v 1.8 2006/09/17 18:46:00 rillig Exp $
#
# Copyright (c) 2004 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Johnny C. Lam.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#        This product includes software developed by the NetBSD
#        Foundation, Inc. and its contributors.
# 4. Neither the name of The NetBSD Foundation nor the names of its
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

case $arg in
######################################################################
# Leave -Wl, unchanged.
######################################################################
-Wl,*)
	;;
######################################################################
# XL C doesn't understand many -W* arguments, so just silently ignore
# them all.
######################################################################
-W*)
	arg=
	$debug_log $wrapperlog "   (transform-xlc-cc) to: $arg"
	addtocache=yes
	;;
# xlc uses -qmkshrobj to create shared objects, and we also need to
# tell the linker to use a flat namespace and allow undefined symbols.
-dynamiclib)
	arg="-qmkshrobj -Wl,-flat_namespace -Wl,-undefined -Wl,suppress"
	$debug_log $wrapperlog "   (transform-xlc-cc) to: $arg"
	addtocache=yes
	split_arg=yes
        ;;
# -qnocommon is the xlc argument to allocate uninitialized globals in
# the data section for PIC.
-fno-common|-fPIC)
	arg=-qnocommon
	$debug_log $wrapperlog "   (transform-xlc-cc) to: $arg"
	addtocache=yes
	;;
######################################################################
# Ignore some flags that are unnecessary for XL C.
######################################################################
-pipe|-ansi|-fno-gnu-keywords|-fstrict-prototypes|-no-cpp-precomp|-pedantic)
	arg=
	$debug_log $wrapperlog "   (transform-xlc-cc) to: $arg"
	addtocache=yes
	;;
esac