Fixed: #1321 Adopt WITH_STATIC_EXTERNAL for Mac OS X

code/CMakeModules/nel.cmake

@@ -640,13 +640,19 @@ MACRO(SETUP_EXTERNAL)
       ENDIF(${CMAKE_MAKE_PROGRAM} MATCHES "Common7")
     ENDIF(MSVC10)
   ELSE(WIN32)
-    IF(CMAKE_FIND_LIBRARY_SUFFIXES AND NOT APPLE)
+    IF(APPLE)
       IF(WITH_STATIC_EXTERNAL)
-        SET(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
+        SET(CMAKE_FIND_LIBRARY_SUFFIXES .a .dylib .so)
       ELSE(WITH_STATIC_EXTERNAL)
-        SET(CMAKE_FIND_LIBRARY_SUFFIXES ".so")
+        SET(CMAKE_FIND_LIBRARY_SUFFIXES .dylib .so .a)
       ENDIF(WITH_STATIC_EXTERNAL)
-    ENDIF(CMAKE_FIND_LIBRARY_SUFFIXES AND NOT APPLE)
+    ELSE(APPLE)
+      IF(WITH_STATIC_EXTERNAL)
+        SET(CMAKE_FIND_LIBRARY_SUFFIXES .a .so)
+      ELSE(WITH_STATIC_EXTERNAL)
+        SET(CMAKE_FIND_LIBRARY_SUFFIXES .so .a)
+      ENDIF(WITH_STATIC_EXTERNAL)
+    ENDIF(APPLE)
   ENDIF(WIN32)
 
   IF(WITH_STLPORT)