Index: Portfile
===================================================================
--- Portfile	(revision 56619)
+++ Portfile	(working copy)
@@ -133,6 +133,13 @@
     # ticket #20235
     depends_lib-delete path:lib/pkgconfig/sdl.pc:libsdl
     depends_lib-append path:lib/pkgconfig/sdl.pc:libsdl-devel
+    # ticket #20938
+    if { ![variant_isset no_gpl] } {
+        configure.args-delete --enable-swscale
+    }
+    if { ![variant_isset no_mmx] } {
+        configure.args-append --disable-mmx --disable-mmx2 --disable-sse --disable-ssse3 --disable-amd3dnow --disable-amd3dnowext
+    }
 }
 
 variant no_mmx description {disable all x86 asm optimizations} {