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Use -dumpversion with gcc only

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Martin Kroeker 2018-12-23 19:08:19 +01:00 committed by GitHub
parent 49e0f485da
commit 76b4b8980f
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1 changed files with 13 additions and 9 deletions
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4
cmake/system.cmake
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@ -46,10 +46,14 @@ if (${TARGET} STREQUAL "SKYLAKEX" AND NOT NO_AVX512)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512")
endif()
if (${TARGET} STREQUAL "HASWELL" AND NOT NO_AVX2)
if (${CMAKE_C_COMPILER_ID} STREQUAL "GNU")
execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
if (${GCC_VERSION} VERSION_GREATER 4.7 OR ${GCC_VERSION} VERSION_EQUAL 4.7)
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -mavx2")
endif()
elseif (${CMAKE_C_COMPILER_ID} STREQUAL "CLANG")
set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -mavx2")
endif()
endif()
endif()