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if(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
set(MARCH "-msse4.2")
elseif(NOT BINARY_PACKAGE_BUILD AND (NOT APPLE OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang"))
MESSAGE("-- Checking for -march=native support")
CHECK_C_COMPILER_FLAG("-march=native" MARCHNATIVE)
if(MARCHNATIVE)
set(MARCH "-march=native")
add_definitions("-DNATIVE_ARCH")
else()
MESSAGE("-- Checking for -mtune=native support")
CHECK_C_COMPILER_FLAG("-mtune=native" MTUNENATIVE)
if(MTUNENATIVE)
set(MARCH "-mtune=native")
else()
MESSAGE("-- Checking for -mtune=generic support")
CHECK_C_COMPILER_FLAG("-mtune=generic" MTUNEGENERIC)
if(MTUNEGENERIC)
set(MARCH "-mtune=generic")
else()
message(WARNING "Do not know which -march/-mtune to pass! Resulting binaries may be broken!")
endif()
endif()
endif()
else()
MESSAGE("-- Checking for -mtune=generic support")
CHECK_C_COMPILER_FLAG("-mtune=generic" MTUNEGENERIC)
if(MTUNEGENERIC)
set(MARCH "-mtune=generic")
else()
message(WARNING "Do not know which -march/-mtune to pass! Resulting binaries may be broken!")
endif()
endif()
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