(fix) Support for apple.

Modified dartflo CMakeLists to set the rpath correctly.

CMakeLists.txt

@@ -107,8 +107,13 @@ ELSE()
         SET(CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}/dartflo" CACHE STRING "Install location" FORCE)
     ENDIF()
 ENDIF()
-IF(UNIX AND NOT APPLE)
-    SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}")
+
+IF(UNIX)
+    IF(APPLE)
+        SET(CMAKE_INSTALL_RPATH "@loader_path")
+    ELSE()
+        SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}")
+    ENDIF()
 ENDIF()
 
 # -- Sub directories