enable --no-undefined only for linux

Author: Rashad Kanavath

CMakeLists.txt

@@ -616,11 +616,11 @@ IF (WITH_CORE)
     ENDIF(MSVC)
   ENDIF(COMMAND cmake_policy)
 
-  IF (PEDANTIC AND NOT WIN32 AND NOT APPLE)
+  if("${CMAKE_SYSTEM_NAME}"  MATCHES "Linux")
     SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")
     SET(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--no-undefined")
     SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--no-undefined")
-  ENDIF(PEDANTIC AND NOT WIN32 AND NOT APPLE)
+  endif() #"${CMAKE_SYSTEM_NAME}"  MATCHES "Linux")
 
   SET(CMAKE_CXX_VISIBILITY_PRESET hidden)
   INCLUDE(GenerateExportHeader)