diff --git a/CMakeLists.txt b/CMakeLists.txt
index a68cbd7..c6e7548 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,10 +12,15 @@ IF(NOT CMAKE_BUILD_TYPE)
     SET(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build (Debug, RelWithDebInfo, Release)" FORCE)
 ENDIF(NOT CMAKE_BUILD_TYPE)
 
+# System fixups
 IF(CMAKE_SYSTEM_NAME STREQUAL "Haiku")
     SET(HAIKU TRUE)
 ENDIF()
 
+IF(APPLE)
+    SET(MACOSX TRUE)
+ENDIF(APPLE)
+
 # Recommended compiler flags that cmake doesn't set automatically
 if(MSVC)
     # /MP: parallel builds