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-rw-r--r--src/net/sdltcpnet.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/net/sdltcpnet.h b/src/net/sdltcpnet.h
index f6dbd906f..194438782 100644
--- a/src/net/sdltcpnet.h
+++ b/src/net/sdltcpnet.h
@@ -26,7 +26,9 @@
#pragma GCC diagnostic ignored "-Wswitch-default"
#endif // USE_SDL2
#include <SDL_stdinc.h>
-_SDL_stdinc_h
+#if !defined(_SDL_stdinc_h) && !defined(SDL_stdinc_h_) && !defined(SDL_stdinc_h)
+#error need include SDL_stdinc.h
+#endif // !defined(_SDL_stdinc_h) && !defined(SDL_stdinc_h_)
#ifdef USE_SDL2
#pragma GCC diagnostic pop
#endif // USE_SDL2