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[all] cmake: use -march=x86-64-v2 when it becomes available

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Moves the logic in 0525515 to a common cmake include, and applies it to
the other binaries.
This commit is contained in:
arcnmx
2021-07-23 17:25:42 -07:00
committed by Geoffrey McRae
parent f09738678e
commit be664c49c8
5 changed files with 29 additions and 49 deletions
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17
cmake/OptimizeForNative.cmake Normal file
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@@ -0,0 +1,17 @@
option(OPTIMIZE_FOR_NATIVE "Build with -march=native" OFF)
if(OPTIMIZE_FOR_NATIVE)
CHECK_C_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)
if(COMPILER_SUPPORTS_MARCH_NATIVE)
add_compile_options("-march=native")
endif()
else()
CHECK_C_COMPILER_FLAG("-march=x86-64-v2" COMPILER_SUPPORTS_MARCH_X86_64_V2)
if(COMPILER_SUPPORTS_MARCH_X86_64_V2)
add_compile_options("-march=x86-64-v2")
else()
CHECK_C_COMPILER_FLAG("-march=nehalem" COMPILER_SUPPORTS_MARCH_NEHALEM)
if(COMPILER_SUPPORTS_MARCH_NEHALEM)
add_compile_options("-march=nehalem")
endif()
endif()
endif()