fltk: add cf-private on darwin

    Undefined symbols for architecture x86_64:
      "_NSDefaultRunLoopMode", referenced from:
          fl_open_display() in Fl_cocoa.o
          fl_ready() in Fl_cocoa.o
          fl_wait(double) in Fl_cocoa.o
      "_OBJC_CLASS_$_NSArray", referenced from:
          objc-class-ref in Fl_cocoa.o
      "_OBJC_CLASS_$_NSData", referenced from:
          objc-class-ref in Fl_Sys_Menu_Bar.o
      "_OBJC_CLASS_$_NSDate", referenced from:
          objc-class-ref in Fl_cocoa.o
      "_OBJC_CLASS_$_NSDictionary", referenced from:
          objc-class-ref in Fl_cocoa.o
      "_OBJC_CLASS_$_NSURL", referenced from:
          objc-class-ref in Fl_Native_File_Chooser_MAC.o
    ld: symbol(s) not found for architecture x86_64

1 files changed, 2 insertions, 2 deletions

diff --git a/pkgs/development/libraries/fltk/default.nix b/pkgs/development/libraries/fltk/default.nix
index 405d80031e3..b1c798476ea 100644
--- a/pkgs/development/libraries/fltk/default.nix
+++ b/pkgs/development/libraries/fltk/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, pkgconfig, xlibsWrapper, inputproto, libXi
 , freeglut, libGLU_combined, libjpeg, zlib, libXft, libpng
-, darwin, libtiff, freetype
+, libtiff, freetype, cf-private, Cocoa, AGL, GLUT
 }:
 
 let
@@ -35,7 +35,7 @@ in stdenv.mkDerivation {
 
   propagatedBuildInputs = [ inputproto ]
     ++ (if stdenv.isDarwin
-        then (with darwin.apple_sdk.frameworks; [Cocoa AGL GLUT freetype libtiff])
+        then [ Cocoa AGL GLUT freetype libtiff cf-private  /* Needed for NSDefaultRunLoopMode */ ]
         else [ xlibsWrapper libXi freeglut ]);
 
   enableParallelBuilding = true;