Error out early on unsupported SDL2+GLES1 combo

diff --git a/source/Irrlicht/CMakeLists.txt b/source/Irrlicht/CMakeLists.txt
index a57258d20bbea062fcbab5999f802abdb8d6f2c1..fa345cadd46871b6912ac393ede037caf4dc5df5 100644 (file)
--- a/source/Irrlicht/CMakeLists.txt
+++ b/source/Irrlicht/CMakeLists.txt
@@ -204,6 +204,9 @@ if(ENABLE_OPENGL3)
 endif()
 
 if(ENABLE_GLES1)
+       if (USE_SDL2)
+               message(SEND_ERROR "OpenGL ES 1 is not supported with SDL2")
+       endif()
        add_definitions(-D_IRR_COMPILE_WITH_OGLES1_)
        if(DEVICE MATCHES "^(WINDOWS|X11|ANDROID)$")
                add_definitions(-D_IRR_COMPILE_WITH_EGL_MANAGER_ -D_IRR_OGLES1_USE_EXTPOINTER_)