disabled fast-math by default.

This commit is contained in:
Vadim Pisarevsky 2011-08-17 09:05:05 +00:00
parent b3ae2c181a
commit d752c2b674

View File

@ -371,11 +371,11 @@ if(CMAKE_COMPILER_IS_GNUCXX)
if(X86 OR X86_64)
# enable everything, since the available set of instructions is checked at runtime
IF ("${CMAKE_GCC_REGEX_VERSION}" VERSION_GREATER 4.5)
#IF ("${CMAKE_GCC_REGEX_VERSION}" VERSION_GREATER 4.5)
SET(_USE_FAST_MATH OFF)
ELSE()
SET(_USE_FAST_MATH ON)
ENDIF()
#ELSE()
# SET(_USE_FAST_MATH ON)
#ENDIF()
set(USE_FAST_MATH ${_USE_FAST_MATH} CACHE BOOL "Enable -ffast-math (not recommended for GCC 4.6.x)")
set(ENABLE_SSE ON CACHE BOOL "Enable SSE instructions")
set(ENABLE_SSE2 ON CACHE BOOL "Enable SSE2 instructions")