cmake: Add SDL include path when building tests The tests can't find any of the SDL includes otherwise
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3f5b6c0..edb926f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2738,6 +2738,8 @@ endif()
##### Tests #####
if(SDL_TEST)
+ include_directories(BEFORE "${SDL2_BINARY_DIR}/include")
+ include_directories(AFTER "${SDL2_SOURCE_DIR}/include")
file(GLOB TEST_SOURCES ${SDL2_SOURCE_DIR}/src/test/*.c)
add_library(SDL2_test STATIC ${TEST_SOURCES})
add_subdirectory(test)