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Add processor detection and automated optimal compiler option selection.

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This commit is contained in:
castano
2007-08-21 06:32:52 +00:00
parent d6541bbbfa
commit 5f327cebd2
3 changed files with 58 additions and 23 deletions
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26
cmake/OptimalOptions.cmake Normal file
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INCLUDE(${NV_CMAKE_DIR}/DetermineProcessor.cmake)
# Set optimal options for gcc:
IF(CMAKE_COMPILER_IS_GNUCXX)
IF(NV_SYSTEM_PROCESSOR STREQUAL "i586")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=i586")
ENDIF(NV_SYSTEM_PROCESSOR STREQUAL "i586")
IF(NV_SYSTEM_PROCESSOR STREQUAL "i686")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=i686")
#SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=sse -mtune=i686 -msse3")
#SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=pentium4")
ENDIF(NV_SYSTEM_PROCESSOR STREQUAL "i686")
IF(NV_SYSTEM_PROCESSOR STREQUAL "powerpc")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=powerpc -maltivec -mabi=altivec -mpowerpc-gfxopt")
# ibook G4:
#SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=7450 -mtune=7450 -maltivec -mabi=altivec -mpowerpc-gfxopt")
ENDIF(NV_SYSTEM_PROCESSOR STREQUAL "powerpc")
ENDIF(CMAKE_COMPILER_IS_GNUCXX)