diff options
Diffstat (limited to 'SConstruct')
| -rw-r--r-- | SConstruct | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/SConstruct b/SConstruct index ceda985c349..eddc24db0f5 100644 --- a/SConstruct +++ b/SConstruct @@ -1636,6 +1636,15 @@ 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'): |