disable fontconfig and freetype on OSX

CMakeLists.txt

@@ -486,19 +486,19 @@ endif(WIN32)
 ## Test for Fontconfig
 ##
 ## Only test if on non-Windows system
-if(NOT WIN32)
+if(NOT WIN32 OR NOT APPLE)
     macro_optional_find_package(Fontconfig)
     macro_log_feature(FONTCONFIG_FOUND "Fontconfig" "Library for configuring and customizing font access" "http://fontconfig.org" FALSE "" "Required to handle exact font size")
-endif(NOT WIN32)
+endif()
 
 ##
 ## Test for Freetype
 ##
 ## Only test if on non-Windows system
-if(NOT WIN32)
+if(NOT WIN32 OR NOT APPLE)
     macro_optional_find_package(Freetype)
     macro_log_feature(FREETYPE_FOUND "Freetype" "A Free, High-Quality, and Portable Font Engine" "http://www.freetype.org/" FALSE "" "Required to handle exact font size")
-endif(NOT WIN32)
+endif()
 
 if(NOT FONTCONFIG_FOUND OR NOT FREETYPE_FOUND)
     set(FONTCONFIG_INCLUDE_DIR "")