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-rw-r--r--src/localconsts.h13
-rw-r--r--src/main.cpp10
2 files changed, 13 insertions, 10 deletions
diff --git a/src/localconsts.h b/src/localconsts.h
index 9eb34c328..ead9eb459 100644
--- a/src/localconsts.h
+++ b/src/localconsts.h
@@ -18,6 +18,19 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#if SDL_VERSION_ATLEAST(2, 0, 0)
+#ifndef USE_SDL2
+#warning using SDL2 headers but configure set to use SDL1.2
+#warning please add configure flag --with-sdl2
+#define USE_SDL2
+#endif
+#else
+#ifdef USE_SDL2
+#error using SDL1.2 headers but configure set to use SDL2
+#error please remove configure flag --with-sdl2
+#endif
+#endif
+
#if !defined(__GXX_EXPERIMENTAL_CXX0X__)
#undef nullptr
#define nullptr 0
diff --git a/src/main.cpp b/src/main.cpp
index 89738fa93..79b435faa 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -49,16 +49,6 @@
#include <SDL_version.h>
-#if SDL_VERSION_ATLEAST(2, 0, 0)
-#ifndef USE_SDL2
-#error using SDL2 headers but configure set to use SDL1.2
-#endif
-#else
-#ifdef USE_SDL2
-#error using SDL1.2 headers but configure set to use SDL2
-#endif
-#endif
-
#include "debug.h"
char *selfName = nullptr;