Improved multilib parse-config first to cleanup and then injecting architecture specific compiler flags

Note: Currently only x86-64 is implemented but others will be added as soon
      as they are tested properly!

lib/multilib/parse-config

@@ -1,11 +1,11 @@
 # --- SDE-COPYRIGHT-NOTE-BEGIN ---
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
-# 
+#
 # Filename: lib/multilib/parse-config
 # Copyright (C) 2008 The OpenSDE Project
-# 
+#
 # More information can be found in the files COPYING and README.
-# 
+#
 # 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; version 2 of the License. A copy of the
@@ -21,6 +21,19 @@
 multilib_abi_loop() {
 	abi=$( echo "$arch_abis" | cut -d ' ' "-f$1" )
 	echo_status "Building multilib $pkg for $abi ABI"
+
+	# cleanup architecture specific compiler flags
+	var_remove_regex CC_WRAPPER_INSERT ' ' '\-m.*'
+	var_remove_regex CXX_WRAPPER_INSERT ' ' '\-m.*'
+
+	# inject architecture specific compiler flags
+	case "$arch" in
+		x86-64)
+			var_insert CC_WRAPPER_INSERT ' ' "-m$abi"
+			var_insert CXX_WRAPPER_INSERT ' ' "-m$abi"
+			;;
+	esac
+
 	# alter arch_target if we build 32bit
 	if expr $abi : "32" > /dev/null ; then
 		arch_target="`echo $arch_target | arch2arch32`"