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-rw-r--r--src/stdafx.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/stdafx.h b/src/stdafx.h
index 8bff614b4..4d618c903 100644
--- a/src/stdafx.h
+++ b/src/stdafx.h
@@ -316,4 +316,14 @@ assert_compile(sizeof(uint8) == 1);
# define Point OTTD_AMIGA_POINT
#endif
+// We need INT64_MAX, which for most systems comes from stdint.h. However, MSVC
+// does not have stdint.h and apparently neither does MorphOS, so define
+// INT64_MAX for them ourselves.
+#if !defined(_MSC_VER) && !defined( __MORPHOS__)
+# define __STDC_LIMIT_MACROS
+# include <stdint.h>
+#else
+# define INT64_MAX 9223372036854775807LL
+#endif
+
#endif /* STDAFX_H */