VAX/QVSS: Proper linking on OSX

makefile

@@ -318,6 +318,9 @@ ifeq ($(WIN32),)  #*nix Environments (&& cygwin)
       OS_CCDEFS += -DHAVE_LIBSDL -I$(dir $(call find_include,SDL/SDL))
       OS_LDFLAGS += -lSDL
       $(info using libSDL:  $(call find_lib,SDL) $(call find_include,SDL/SDL))
+      ifeq (Darwin,$(OSTYPE))
+        OS_LDFLAGS += -lSDLmain -lobjc -framework cocoa
+      endif
     endif
   endif
   ifneq (,$(VIDEO_USEFUL))

scp.c

@@ -233,7 +233,10 @@
 #endif
 #include <sys/stat.h>
 
-#if defined(HAVE_DLOPEN)                                 /* Dynamic Readline support */
+#if defined(HAVE_LIBSDL) && defined(USE_SIM_VIDEO)      /* SDL*/
+#include <SDL/SDL.h>
+#endif
+#if defined(HAVE_DLOPEN)                                /* Dynamic Readline support */
 #include <dlfcn.h>
 #endif