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| author | Ben Gamari <bgamari.foss@gmail.com> | 2018-03-08 13:22:37 -0500 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2018-03-08 16:08:04 -0500 |
| commit | 94f02547083cf6df686ea0b95fed050184c533de (patch) | |
| tree | fba3431c7edae23b377d0b64531ff7814d9370bb | |
| parent | ed6f9fb9d5a684d2159c29633159c3254cf04deb (diff) | |
| download | haskell-94f02547083cf6df686ea0b95fed050184c533de.tar.gz | |
ghc-prim: Silence -Wsync-nand warning in atomic.c
GCC throws this warning to inform us that __sync_fetch_and_nand's
behavior changed in GCC 4.4. However, this causes the build to fail when
-Werror is used.
Test Plan: Validate with -Werror
Subscribers: rwbarton, thomie, carter
Differential Revision: https://phabricator.haskell.org/D4481
| -rw-r--r-- | libraries/ghc-prim/cbits/atomic.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libraries/ghc-prim/cbits/atomic.c b/libraries/ghc-prim/cbits/atomic.c index 722d261de8..80d4f39ed0 100644 --- a/libraries/ghc-prim/cbits/atomic.c +++ b/libraries/ghc-prim/cbits/atomic.c @@ -122,6 +122,10 @@ hs_atomic_and64(StgWord x, StgWord64 val) #define __has_builtin(x) 0 #endif +// Otherwise this fails with -Werror +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wsync-nand" + extern StgWord hs_atomic_nand8(StgWord x, StgWord val); StgWord hs_atomic_nand8(StgWord x, StgWord val) @@ -168,6 +172,8 @@ hs_atomic_nand64(StgWord x, StgWord64 val) } #endif +#pragma GCC diagnostic pop + // FetchOrByteArrayOp_Int extern StgWord hs_atomic_or8(StgWord x, StgWord val); |