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-rw-r--r--rts/PosixSource.h13
1 files changed, 0 insertions, 13 deletions
diff --git a/rts/PosixSource.h b/rts/PosixSource.h
index edee5fa94e..13fd7b0ff5 100644
--- a/rts/PosixSource.h
+++ b/rts/PosixSource.h
@@ -36,16 +36,3 @@
#define _POSIX_C_SOURCE 200809L
#define _XOPEN_SOURCE 700
#endif
-
-#if defined(mingw32_HOST_OS)
-/* Without this gcc will warn about %ull and the like since some msvcrt versions
- do not support them. See
- https://sourceforge.net/p/mingw-w64/mailman/message/28557333/
-
- Note that this is implied by _POSIX_C_SOURCE in the msys2 toolchain that we
- now use. However, we retain this explicit #define to preserve the ability to
- bootstrap GHC with compilers still using msys (e.g. GHC 7.10.1 and 7.10.2).
- This can be removed in for GHC 8.4. See #12951.
- */
-#define __USE_MINGW_ANSI_STDIO 1
-#endif