Define extpointer for SDL + OGLES2

source/Irrlicht/CMakeLists.txt

@@ -184,6 +184,7 @@ endif()
 
 if(ENABLE_OPENGL)
 	add_definitions(-D_IRR_COMPILE_WITH_OPENGL_)
+	set(OPENGL_DIRECT_LINK TRUE) # not yet possible to remove this
 	if(DEVICE STREQUAL "WINDOWS")
 		add_definitions(-D_IRR_COMPILE_WITH_WGL_MANAGER_ -D_IRR_OPENGL_USE_EXTPOINTER_)
 	elseif(DEVICE STREQUAL "X11")
@@ -199,6 +200,7 @@ if(ENABLE_OPENGL3)
 	if (NOT USE_SDL2)
 		message(FATAL_ERROR "OpenGL 3 driver requires SDL2")
 	endif()
+	set(OPENGL_DIRECT_LINK TRUE) # TODO
 	set(USE_SDLGL ON)
 	set(USE_SDLGL3 ON)
 endif()
@@ -208,16 +210,19 @@ if(ENABLE_GLES1)
 		message(FATAL_ERROR "OpenGL ES 1 is not supported with SDL2")
 	endif()
 	add_definitions(-D_IRR_COMPILE_WITH_OGLES1_)
+	set(OPENGLES_DIRECT_LINK TRUE)
 	if(DEVICE MATCHES "^(WINDOWS|X11|ANDROID)$")
 		add_definitions(-D_IRR_COMPILE_WITH_EGL_MANAGER_ -D_IRR_OGLES1_USE_EXTPOINTER_)
 	endif()
 endif()
 
 if(ENABLE_GLES2)
 	add_definitions(-D_IRR_COMPILE_WITH_OGLES2_)
+	set(OPENGLES2_DIRECT_LINK TRUE) # not yet possible to remove this
 	if(DEVICE MATCHES "^(WINDOWS|X11|ANDROID)$" OR EMSCRIPTEN)
 		add_definitions(-D_IRR_COMPILE_WITH_EGL_MANAGER_ -D_IRR_OGLES2_USE_EXTPOINTER_)
 	elseif(DEVICE STREQUAL "SDL")
+		add_definitions(-D_IRR_OGLES2_USE_EXTPOINTER_)
 		set(USE_SDLGL ON)
 		set(USE_SDLGLES2 ON)
 	endif()
@@ -315,9 +320,9 @@ set(link_libs
 	"${PNG_LIBRARY}"
 	"$<$<BOOL:${USE_SDL2}>:${SDL2_LIBRARIES}>"
 
-	${OPENGL_LIBRARIES}
-	${OPENGLES_LIBRARY}
-	${OPENGLES2_LIBRARIES}
+	"$<$<BOOL:${OPENGL_DIRECT_LINK}>:${OPENGL_LIBRARIES}>"
+	"$<$<BOOL:${OPENGLES_DIRECT_LINK}>:${OPENGLES_LIBRARIES}>"
+	"$<$<BOOL:${OPENGLES2_DIRECT_LINK}>:${OPENGLES2_LIBRARIES}>"
 	${EGL_LIBRARY}
 
 	"$<$<PLATFORM_ID:Android>:-landroid -llog>"