fixed compiling with SDL versions before 2.0.14 without SDL_OpenURL()

diff --git a/src/tools.c b/src/tools.c
index 1f1a925de4809b878aa380d0ae5a6d0eda9c7e84..6660e1206556b6cc19b2112eb2dfba0eec0a9604 100644 (file)
--- a/src/tools.c
+++ b/src/tools.c
@@ -9964,7 +9964,13 @@ void ChangeViewportPropertiesIfNeeded(void)
 
 void OpenURL(char *url)
 {
+#if SDL_VERSION_ATLEAST(2,0,14)
   SDL_OpenURL(url);
+#else
+  Warn("SDL_OpenURL(\"%s\") not supported by SDL %d.%d.%d!",
+       url, SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL);
+  Warn("Please upgrade to at least SDL 2.0.14 for URL support!");
+#endif
 }
 
 void OpenURLFromHash(SetupFileHash *hash, int hash_key)