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28 lines
1.0 KiB
CMake
28 lines
1.0 KiB
CMake
# SPDX-License-Identifier: MIT
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try_run(RUN_RESULT COMPILE_RESULT
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"${CMAKE_BINARY_DIR}" "${PROJECT_SOURCE_DIR}/.CMake/detect_gcc_clang_intrinsics.c"
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COMPILE_DEFINITIONS ${OQS_OPT_FLAG}
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COMPILE_OUTPUT_VARIABLE COMPILE_OUTPUT
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RUN_OUTPUT_VARIABLE RUN_OUTPUT)
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if(NOT COMPILE_RESULT)
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message(FATAL_ERROR "Could not compile .CMake/detect_gcc_clang_intrinsics.c" ${COMPILE_OUTPUT})
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endif()
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if(NOT RUN_RESULT EQUAL 0)
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if(CMAKE_CROSSCOMPILING)
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message(STATUS "Detecting language features in cross-compiling mode impossible. Setting all CPU features OFF.")
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else()
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message(FATAL_ERROR ".CMake/detect_gcc_clang_intrinsics.c returned exit code: " ${RUN_RESULT})
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endif()
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endif()
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foreach(CPU_EXTENSION ${RUN_OUTPUT})
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if (NOT DEFINED OQS_USE_${CPU_EXTENSION}_INSTRUCTIONS)
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set(OQS_USE_${CPU_EXTENSION}_INSTRUCTIONS ON)
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endif()
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endforeach()
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if(OQS_USE_AVX512BW_INSTRUCTIONS AND
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OQS_USE_AVX512DQ_INSTRUCTIONS AND
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OQS_USE_AVX512F_INSTRUCTIONS)
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set(OQS_USE_AVX512_INSTRUCTIONS ON)
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endif()
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