--- autoconf-2.69.old/lib/autoconf/libs.m4
+++ autoconf-2.69/lib/autoconf/libs.m4
@@ -195,7 +195,7 @@
 	*) test -f "$ac_im_incroot/X11/Xos.h" && ac_x_includes=$ac_im_incroot;;
     esac
     case $ac_im_usrlibdir in
-	/usr/lib | /usr/lib64 | /lib | /lib64) ;;
+	__META_SYSTREE__/lib | __META_SYSTREE__/toolchain/lib) ;;
 	*) test -d "$ac_im_usrlibdir" && ac_x_libraries=$ac_im_usrlibdir ;;
     esac
   fi