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LookingGlass/cmake/OptimizeForNative.cmake

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CMake
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[all] make OPTIMIZE_FOR_NATIVE a tristate option
2021-07-24 01:21:26 +00:00
set(OPTIMIZE_FOR_NATIVE AUTO CACHE STRING "Build with -march=native")
[all] cmake: fix OptimizeForNative 1. Correctly detect ON state so that host is not built as -march=native by default. 2. Merge OFF and GENERIC options as we need at least -march=nehalem to build properly.
2021-07-25 03:42:30 +00:00
set_property(CACHE OPTIMIZE_FOR_NATIVE PROPERTY STRINGS AUTO ON OFF)
[all] make OPTIMIZE_FOR_NATIVE a tristate option
2021-07-24 01:21:26 +00:00
[all] include OPTIMIZE_FOR_NATIVE in feature summary
2021-07-24 01:28:10 +00:00
set(OPTIMIZE_FOR_NATIVE_ARCH "none")
[all] cmake: fix OptimizeForNative 1. Correctly detect ON state so that host is not built as -march=native by default. 2. Merge OFF and GENERIC options as we need at least -march=nehalem to build properly.
2021-07-25 03:42:30 +00:00
if(OPTIMIZE_FOR_NATIVE STREQUAL "ON" OR (OPTIMIZE_FOR_NATIVE STREQUAL "AUTO" AND OPTIMIZE_FOR_NATIVE_DEFAULT))
[all] cmake: use -march=x86-64-v2 when it becomes available Moves the logic in 0525515 to a common cmake include, and applies it to the other binaries.
2021-07-24 00:25:42 +00:00
CHECK_C_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)
if(COMPILER_SUPPORTS_MARCH_NATIVE)
[all] include OPTIMIZE_FOR_NATIVE in feature summary
2021-07-24 01:28:10 +00:00
set(OPTIMIZE_FOR_NATIVE_ARCH "native")
set(OPTIMIZE_FOR_NATIVE_ON ON)
[all] cmake: use -march=x86-64-v2 when it becomes available Moves the logic in 0525515 to a common cmake include, and applies it to the other binaries.
2021-07-24 00:25:42 +00:00
endif()
[all] cmake: fix OptimizeForNative 1. Correctly detect ON state so that host is not built as -march=native by default. 2. Merge OFF and GENERIC options as we need at least -march=nehalem to build properly.
2021-07-25 03:42:30 +00:00
elseif(OPTIMIZE_FOR_NATIVE STREQUAL "AUTO" OR OPTIMIZE_FOR_NATIVE STREQUAL "OFF")
[all] cmake: use -march=x86-64-v2 when it becomes available Moves the logic in 0525515 to a common cmake include, and applies it to the other binaries.
2021-07-24 00:25:42 +00:00
CHECK_C_COMPILER_FLAG("-march=x86-64-v2" COMPILER_SUPPORTS_MARCH_X86_64_V2)
if(COMPILER_SUPPORTS_MARCH_X86_64_V2)
[all] include OPTIMIZE_FOR_NATIVE in feature summary
2021-07-24 01:28:10 +00:00
set(OPTIMIZE_FOR_NATIVE_ARCH "x86-64-v2")
[all] cmake: use -march=x86-64-v2 when it becomes available Moves the logic in 0525515 to a common cmake include, and applies it to the other binaries.
2021-07-24 00:25:42 +00:00
else()
CHECK_C_COMPILER_FLAG("-march=nehalem" COMPILER_SUPPORTS_MARCH_NEHALEM)
if(COMPILER_SUPPORTS_MARCH_NEHALEM)
[all] include OPTIMIZE_FOR_NATIVE in feature summary
2021-07-24 01:28:10 +00:00
set(OPTIMIZE_FOR_NATIVE_ARCH "nehalem")
[all] cmake: use -march=x86-64-v2 when it becomes available Moves the logic in 0525515 to a common cmake include, and applies it to the other binaries.
2021-07-24 00:25:42 +00:00
endif()
endif()
[all] include OPTIMIZE_FOR_NATIVE in feature summary
2021-07-24 01:28:10 +00:00
else()
set(OPTIMIZE_FOR_NATIVE_ARCH "${OPTIMIZE_FOR_NATIVE}")
set(OPTIMIZE_FOR_NATIVE_ON ON)
[all] cmake: use -march=x86-64-v2 when it becomes available Moves the logic in 0525515 to a common cmake include, and applies it to the other binaries.
2021-07-24 00:25:42 +00:00
endif()
[all] include OPTIMIZE_FOR_NATIVE in feature summary
2021-07-24 01:28:10 +00:00
if(NOT OPTIMIZE_FOR_NATIVE_ARCH STREQUAL "none")
add_compile_options("-march=${OPTIMIZE_FOR_NATIVE_ARCH}")
endif()
add_feature_info(OPTIMIZE_FOR_NATIVE OPTIMIZE_FOR_NATIVE_ON "Optimized for ${OPTIMIZE_FOR_NATIVE_ARCH}")
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