Accepted patch https://github.com/microsoft/vcpkg/blob/master/ports/sdl2/fix-space-in-path.patch
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6d360c0..546509f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -278,7 +278,7 @@ add_definitions(-DUSING_GENERATED_CONFIG_H)
# General includes
include_directories(${SDL2_BINARY_DIR}/include ${SDL2_SOURCE_DIR}/include)
if(USE_GCC OR USE_CLANG)
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -idirafter ${SDL2_SOURCE_DIR}/src/video/khronos")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -idirafter \"${SDL2_SOURCE_DIR}/src/video/khronos\"")
else()
include_directories(${SDL2_SOURCE_DIR}/src/video/khronos)
endif()