ocamlfind ocamlopt -linkpkg -package pcre -package sdl.sdlimage -package sdl -package batteries -package oUnit -package lablgl.glut -package lablgl mu.cmx graphGL.cmx imageSet.cmx muMap.cmx muSet.cmx point.cmx pointGraph.cmx graphdisplay.cmx -o graphdisplay.native
Undefined symbols for architecture x86_64:
  "_CFBundleCopyBundleURL", referenced from:
      -[SDLMain setupWorkingDirectory:] in libSDLmain.a(SDLMain.o)
  "_CFBundleGetInfoDictionary", referenced from:
      _main in libSDLmain.a(SDLMain.o)
  "_CFBundleGetMainBundle", referenced from:
      -[SDLMain setupWorkingDirectory:] in libSDLmain.a(SDLMain.o)
      _main in libSDLmain.a(SDLMain.o)
  "_CFRelease", referenced from:
      -[SDLMain setupWorkingDirectory:] in libSDLmain.a(SDLMain.o)
  "_CFURLCreateCopyDeletingLastPathComponent", referenced from:
      -[SDLMain setupWorkingDirectory:] in libSDLmain.a(SDLMain.o)
  "_CFURLGetFileSystemRepresentation", referenced from:
      -[SDLMain setupWorkingDirectory:] in libSDLmain.a(SDLMain.o)
  "_CPSEnableForegroundOperation", referenced from:
      _main in libSDLmain.a(SDLMain.o)
  "_CPSGetCurrentProcess", referenced from:
      _main in libSDLmain.a(SDLMain.o)
  "_CPSSetFrontProcess", referenced from:
      _main in libSDLmain.a(SDLMain.o)
  "_NSAllocateMemoryPages", referenced from:
      -[NSString(ReplaceSubString) stringByReplacingRange:with:] in libSDLmain.a(SDLMain.o)
  "_NSApp", referenced from:
      _main in libSDLmain.a(SDLMain.o)
  "_NSDeallocateMemoryPages", referenced from:
      -[NSString(ReplaceSubString) stringByReplacingRange:with:] in libSDLmain.a(SDLMain.o)
  "_OBJC_CLASS_$_NSApplication", referenced from:
      l_OBJC_$_CATEGORY_NSApplication_$_SDLApplication in libSDLmain.a(SDLMain.o)
      objc-class-ref in libSDLmain.a(SDLMain.o)
  "_OBJC_CLASS_$_NSAutoreleasePool", referenced from:
      objc-class-ref in libSDLmain.a(SDLMain.o)
  "_OBJC_CLASS_$_NSMenu", referenced from:
      objc-class-ref in libSDLmain.a(SDLMain.o)
  "_OBJC_CLASS_$_NSMenuItem", referenced from:
      objc-class-ref in libSDLmain.a(SDLMain.o)
  "_OBJC_CLASS_$_NSObject", referenced from:
      _OBJC_CLASS_$_SDLMain in libSDLmain.a(SDLMain.o)
  "_OBJC_CLASS_$_NSProcessInfo", referenced from:
      objc-class-ref in libSDLmain.a(SDLMain.o)
  "_OBJC_CLASS_$_NSString", referenced from:
      l_OBJC_$_CATEGORY_NSString_$_ReplaceSubString in libSDLmain.a(SDLMain.o)
      objc-class-ref in libSDLmain.a(SDLMain.o)
  "_OBJC_METACLASS_$_NSObject", referenced from:
      _OBJC_METACLASS_$_SDLMain in libSDLmain.a(SDLMain.o)
  "___CFConstantStringClassReference", referenced from:
      CFString in libSDLmain.a(SDLMain.o)
      CFString in libSDLmain.a(SDLMain.o)
      CFString in libSDLmain.a(SDLMain.o)
      CFString in libSDLmain.a(SDLMain.o)
      CFString in libSDLmain.a(SDLMain.o)
      CFString in libSDLmain.a(SDLMain.o)
      CFString in libSDLmain.a(SDLMain.o)
      ...
  "__objc_empty_cache", referenced from:
      _OBJC_METACLASS_$_SDLMain in libSDLmain.a(SDLMain.o)
      _OBJC_CLASS_$_SDLMain in libSDLmain.a(SDLMain.o)
  "_objc_msgSend", referenced from:
      -[SDLMain application:openFile:] in libSDLmain.a(SDLMain.o)
      -[SDLMain applicationDidFinishLaunching:] in libSDLmain.a(SDLMain.o)
      -[NSString(ReplaceSubString) stringByReplacingRange:with:] in libSDLmain.a(SDLMain.o)
      _main in libSDLmain.a(SDLMain.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
File "caml_startup", line 1:
Error: Error during linking
Command exited with code 2.