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| author | Ben Gamari <bgamari.foss@gmail.com> | 2016-12-08 23:05:21 -0500 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2016-12-08 23:05:43 -0500 |
| commit | 6da62535469149d69ec98674db1c51dbde0efab1 (patch) | |
| tree | 9c737d8aafbff9dfdf96444cab71eb223979f483 /rts/PosixSource.h | |
| parent | 2bb099e5ccd7255f9742cb8bc5d512cd92d035b6 (diff) | |
| download | haskell-6da62535469149d69ec98674db1c51dbde0efab1.tar.gz | |
rts/PosixSource.h: Define __USE_MINGW_ANSI_STDIO on Windows
This was removed in 8dc72f3c33b0e724ddb690c9d494969980c10afd which cleaned up
PosixSource.h. Strangely, this only started breaking for me now.
Test Plan: Validate on Windows
Reviewers: simonmar, erikd, austin, Phyx
Reviewed By: Phyx
Subscribers: thomie
Differential Revision: https://phabricator.haskell.org/D2812
GHC Trac Issues: #12951
Diffstat (limited to 'rts/PosixSource.h')
| -rw-r--r-- | rts/PosixSource.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/rts/PosixSource.h b/rts/PosixSource.h index 0ba74dfa69..edf16b5b1a 100644 --- a/rts/PosixSource.h +++ b/rts/PosixSource.h @@ -38,4 +38,17 @@ #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 + #endif /* POSIXSOURCE_H */ |