diff options
| -rw-r--r-- | cmake/Toolset.cmake | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/cmake/Toolset.cmake b/cmake/Toolset.cmake index f96fc39f9..dc4b17bf5 100644 --- a/cmake/Toolset.cmake +++ b/cmake/Toolset.cmake @@ -1,15 +1,21 @@ option (ENABLE_FAST_MATH "Build rspamd with fast math compiler flag [default: ON]" ON) -SET (COMPILER_FAST_MATH "") -if (ENABLE_FAST_MATH MATCHES "ON") - SET (COMPILER_FAST_MATH "-ffast-math") -endif () - if(CMAKE_C_COMPILER_ID STREQUAL "GNU") SET (COMPILER_GCC 1) elseif(CMAKE_C_COMPILER_ID MATCHES "Clang|AppleClang") SET (COMPILER_CLANG 1) endif() + +SET (COMPILER_FAST_MATH "") +if (ENABLE_FAST_MATH MATCHES "ON") + # We need to keep nans and infinities, so cannot keep all fast math there + IF (COMPILER_CLANG) + SET (COMPILER_FAST_MATH "-fassociative-math -freciprocal-math -fno-signed-zeros -ffp-contract=fast") + ELSE() + SET (COMPILER_FAST_MATH "-funsafe-math-optimizations -fno-math-errno") + ENDIF () +endif () + if (CMAKE_GENERATOR STREQUAL "Ninja") # Turn on colored output. https://github.com/ninja-build/ninja/wiki/FAQ set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdiagnostics-color=always") |