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https://github.com/ceph/ceph
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42 lines
1.5 KiB
CMake
42 lines
1.5 KiB
CMake
macro(check_yasm_support _object_format _good_result _better_result)
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execute_process(
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COMMAND yasm -f "${_object_format}" ${CMAKE_SOURCE_DIR}/src/common/crc32c_intel_fast_asm.s -o /dev/null
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RESULT_VARIABLE no_yasm
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OUTPUT_QUIET)
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if(NOT no_yasm)
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if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64")
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set(save_quiet ${CMAKE_REQUIRED_QUIET})
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set(CMAKE_REQUIRED_QUIET true)
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include(CheckCXXSourceCompiles)
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check_cxx_source_compiles("
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#if defined(__x86_64__) && defined(__ILP32__)
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#error x32
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#endif
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int main() {}
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" not_arch_x32)
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set(CMAKE_REQUIRED_QUIET ${save_quiet})
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if(not_arch_x32)
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set(${_good_result} TRUE)
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execute_process(COMMAND yasm -f ${object_format} -i
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${CMAKE_SOURCE_DIR}/src/isa-l/include/
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${CMAKE_SOURCE_DIR}/src/isa-l/erasure_code/gf_vect_dot_prod_avx2.asm
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-o /dev/null
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RESULT_VARIABLE rc
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OUTPUT_QUIET)
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if(NOT rc)
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set(${_better_result} TRUE)
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endif(NOT rc)
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endif(not_arch_x32)
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endif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64")
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endif(NOT no_yasm)
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if(no_yasm)
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message(STATUS "Could NOT find Yasm")
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elseif(NOT not_arch_x32)
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message(STATUS "Found Yasm: but x86_64 with x32 ABI is not supported")
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elseif(${_better_result})
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message(STATUS "Found Yasm: good -- capable of assembling x86_64")
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elseif(${_good_result})
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message(STATUS "Found Yasm: better -- capable of assembling AVX2")
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endif()
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endmacro()
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