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-rw-r--r--src/render/sdl2softwaregraphics.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/render/sdl2softwaregraphics.cpp b/src/render/sdl2softwaregraphics.cpp
index 8ba667faa..125ba8847 100644
--- a/src/render/sdl2softwaregraphics.cpp
+++ b/src/render/sdl2softwaregraphics.cpp
@@ -43,6 +43,10 @@
#include "debug.h"
+#ifndef SDL_BYTEORDER
+#error missing SDL_endian.h
+#endif
+
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
static unsigned int *cR = nullptr;
static unsigned int *cG = nullptr;