added handling of -undefined and -flat_namespace options

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15435 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

distrib/mac/shared-ld-sh

@@ -21,13 +21,13 @@ while test $# -gt 0; do
         verbose=1
         ;;
 
-       -o|-compatibility_version|-current_version|-framework)
+       -o|-compatibility_version|-current_version|-framework|-undefined)
         # collect these options and values
         args="$args $1 $2"
         shift
         ;;
 
-       -l*|-L*)
+       -l*|-L*|-flat_namespace)
         # collect these options
         args="$args $1"
         ;;
@@ -84,4 +84,4 @@ fi
 #
 rm -f master.$$.o
 
-exit 0
+exit 0