diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 7547fea..9c39166 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -39,8 +39,18 @@ TARGET_LINK_LIBRARIES(${PROJ_NAME}
                       ${Boost_LIBRARIES}
                       uibase)
 
-SET_TARGET_PROPERTIES(${PROJ_NAME} PROPERTIES COMPILE_FLAGS /GL)
-SET_TARGET_PROPERTIES(${PROJ_NAME} PROPERTIES LINK_FLAGS_RELWITHDEBINFO "/LARGEADDRESSAWARE ${OPTIMIZE_LINK_FLAGS}")
+IF(MSVC)
+  SET_TARGET_PROPERTIES(${PROJ_NAME} PROPERTIES LINK_FLAGS "/LARGEADDRESSAWARE")
+ELSE(MSVC)
+  SET_TARGET_PROPERTIES(${PROJ_NAME} PROPERTIES LINK_FLAGS "-std=c++11")
+ENDIF(MSVC)
+
+IF (NOT "${OPTIMIZE_COMPILE_FLAGS}" STREQUAL "")
+  SET_TARGET_PROPERTIES(${PROJ_NAME} PROPERTIES COMPILE_FLAGS_RELWITHDEBINFO ${OPTIMIZE_COMPILE_FLAGS})
+ENDIF()
+IF (NOT "${OPTIMIZE_LINK_FLAGS}" STREQUAL "")
+  SET_TARGET_PROPERTIES(${PROJ_NAME} PROPERTIES LINK_FLAGS_RELWITHDEBINFO ${OPTIMIZE_LINK_FLAGS})
+ENDIF()
 
 QT5_USE_MODULES(${PROJ_NAME} Widgets)