diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c233dc..14c1b79 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,7 @@ OPTION( glew-cmake_BUILD_MULTI_CONTEXT "Build the multi context glew library" ON
 SET( LIBGLEW_SRCS ${SRC_DIR}/glew.c )
 
 IF( WIN32 )
-	ADD_DEFINITIONS( -DWIN32_MEAN_AND_LEAN -DVC_EXTRALEAN -DGLEW_BUILD -D_CRT_SECURE_NO_WARNINGS )
+	ADD_DEFINITIONS( -DWIN32_MEAN_AND_LEAN -DVC_EXTRALEAN -D_CRT_SECURE_NO_WARNINGS )
 ENDIF(  )
 
 IF( MSVC )
@@ -48,6 +48,7 @@ IF ( glew-cmake_BUILD_STATIC )
 		                       ARCHIVE_OUTPUT_NAME "glew"
 		                       DEBUG_POSTFIX d )
 		TARGET_INCLUDE_DIRECTORIES( libglew_static PUBLIC ${INCLUDE_DIR} )
+		TARGET_COMPILE_DEFINITIONS( libglew_static PUBLIC GLEW_STATIC )
 		TARGET_LINK_LIBRARIES( libglew_static ${GL_LIBRARY} ${PLATFORM_SPECIFIC_LIBRARIES} )
 		INSTALL( TARGETS libglew_static ARCHIVE DESTINATION lib )
 	ENDIF (  )
@@ -60,6 +61,7 @@ IF ( glew-cmake_BUILD_STATIC )
 		                       DEBUG_POSTFIX d )
 		TARGET_COMPILE_DEFINITIONS( libglewmx_static INTERFACE GLEW_MX)
 		TARGET_INCLUDE_DIRECTORIES( libglewmx_static PUBLIC ${INCLUDE_DIR} )
+		TARGET_COMPILE_DEFINITIONS( libglewmx_static PUBLIC GLEW_STATIC )
 		TARGET_LINK_LIBRARIES( libglewmx_static ${GL_LIBRARY} ${PLATFORM_SPECIFIC_LIBRARIES} )
 		INSTALL( TARGETS libglewmx_static ARCHIVE DESTINATION lib )
 	ENDIF (  )
@@ -75,6 +77,7 @@ IF ( glew-cmake_BUILD_SHARED )
 		                       DEBUG_POSTFIX d )
 
 		TARGET_INCLUDE_DIRECTORIES( libglew_shared PUBLIC ${INCLUDE_DIR} )
+		TARGET_COMPILE_DEFINITIONS( libglew_shared PUBLIC GLEW_BUILD )
 		TARGET_LINK_LIBRARIES( libglew_shared ${GL_LIBRARY} ${PLATFORM_SPECIFIC_LIBRARIES} )
 		INSTALL( TARGETS libglew_shared ARCHIVE DESTINATION lib
 		                                LIBRARY DESTINATION lib
@@ -91,6 +94,7 @@ IF ( glew-cmake_BUILD_SHARED )
 
 		TARGET_COMPILE_DEFINITIONS( libglewmx_shared INTERFACE GLEW_MX)
 		TARGET_INCLUDE_DIRECTORIES( libglewmx_shared PUBLIC ${INCLUDE_DIR} )
+		TARGET_COMPILE_DEFINITIONS( libglewmx_shared PUBLIC GLEW_BUILD )
 		TARGET_LINK_LIBRARIES( libglewmx_shared ${GL_LIBRARY} ${PLATFORM_SPECIFIC_LIBRARIES} )
 		INSTALL( TARGETS libglewmx_shared ARCHIVE DESTINATION lib
 		                                  LIBRARY DESTINATION lib