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| author | Josef Ahmad <josef.ahmad@mongodb.com> | 2022-09-15 06:14:58 +0000 |
|---|---|---|
| committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2022-09-19 22:58:45 +0000 |
| commit | 6ed754b0f4b4eb29c74d5b942e1b7ee005e91ed6 (patch) | |
| tree | be915e11c3db0a6042bc4749924e8980a27e6eef /SConstruct | |
| parent | cfe4fe45d31644ff6bfda613169245c7f9a7e2e9 (diff) | |
| download | mongo-6ed754b0f4b4eb29c74d5b942e1b7ee005e91ed6.tar.gz | |
SERVER-69611 Set the -ffp-contract=off compiler option by default
(cherry picked from commit d8901a2835d3f464d394631d85dc7aa9493fc095)
Diffstat (limited to 'SConstruct')
| -rwxr-xr-x | SConstruct | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/SConstruct b/SConstruct index 6478ce68460..f1479a8890b 100755 --- a/SConstruct +++ b/SConstruct @@ -1837,6 +1837,15 @@ if debugBuild: else: env.AppendUnique( CPPDEFINES=[ 'NDEBUG' ] ) +# Disable floating-point contractions such as forming of fused multiply-add operations. +if env.ToolchainIs('clang', 'gcc'): + env.Append(CCFLAGS=["-ffp-contract=off"]) +else: + # msvc defaults to /fp:precise. Visual Studio 2022 does not emit floating-point contractions + # with /fp:precise, but previous versions can. Disable contractions altogether by using + # /fp:strict. + env.Append(CCFLAGS=["/fp:strict"]) + if env.TargetOSIs('linux'): env.Append( LIBS=["m"] ) if not env.TargetOSIs('android'): |