# $NetBSD: cmd-sink-ld,v 1.5 2018/08/22 20:48:37 maya 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.
#
# 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.

# Empty out the command buffer and build up the command line in $cmd.
while ! queue_is_empty cmdbuf; do
	pop_queue cmdbuf arg
	$debug_log $wrapperlog "    (cmd-sink-ld) pop:  $arg"
	case $arg in
	############################################################
	# Strip the "-Wl," from arguments that start with that prefix
	# and add the result to the "ld" cache.  This makes "ld"
	# silently accept "-Wl,*" arguments, which are often a part
	# of the LDFLAGS setting in pkgsrc, and allows such LDFLAGS
	# to be shared between the compiler and the linker.
	############################################################
	-Wl,*)
		list="${arg#-Wl,}"
		save_IFS="${IFS}"; IFS=","
		revlist=
		for opt in $list; do
			IFS="${save_IFS}"
			shquote "$opt"; opt="$shquoted"
			revlist="$opt $revlist"
		done
		IFS="${save_IFS}"
		for opt in $revlist; do
			$debug_log $wrapperlog "    (cmd-sink-ld) pre:  $opt"
			prepend_queue cmdbuf "$opt"
		done
		;;
	############################################################
	# Silently accept "-pthread" by dropping them.  This allows
	# "-pthread" to be added to LDFLAGS for use by both the
	# compiler and the linker.
	############################################################
	-pthread)
                $debug_log $wrapperlog "    (cmd-sink-ld) drop: $arg"
		arg=
		;;
	*)
		. $buildcmd
		;;
	esac
done