architecture/x86-64: inject -march=i686 to fix multilib builds of glibc

architecture/x86-64/pkg_glibc_post.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: architecture/x86-64/pkg_glibc_post.conf
-# Copyright (C) 2007 - 2008 The OpenSDE Project
+# Copyright (C) 2007 - 2010 The OpenSDE Project
 #
 # More information can be found in the files COPYING and README.
 #
@@ -22,7 +22,7 @@ pkg_glibc32_preconf(){
 	if [ $buildloop -eq 2 ]; then
 		echo_status "Building 32 Bit Libraries (Multilib support enabled)"
 		# we need -m32 ... - still needed?
-		var_insert GCC_WRAPPER_INSERT " " "-m32"
+		var_insert GCC_WRAPPER_INSERT " " "-m32 -march=i686"
 
 		arch_target="`echo $arch_target | arch2arch32`"
 		echo_status "Setting arch_target to $arch_target"