# SPDX-License-Identifier: MIT

if(ARCH_X86_64)
  try_run(RUN_RESULT COMPILE_RESULT
          "${CMAKE_BINARY_DIR}" "${PROJECT_SOURCE_DIR}/.CMake/detect_gcc_clang_intrinsics.c"
          COMPILE_DEFINITIONS -march=native
          RUN_OUTPUT_VARIABLE RUN_OUTPUT)
  if(NOT RUN_RESULT EQUAL 0)
       message(FATAL_ERROR ".CMake/detect_gcc_clang_intrinsics.c returned exit code: " ${RUN_RESULT})
  endif()
  foreach(CPU_EXTENSION ${RUN_OUTPUT})
      set(OQS_USE_${CPU_EXTENSION}_INSTRUCTIONS ON)
  endforeach()
  if(OQS_USE_AVX512BW_INSTRUCTIONS AND
     OQS_USE_AVX512DQ_INSTRUCTIONS AND
     OQS_USE_AVX512F_INSTRUCTIONS)
      set(OQS_USE_AVX512_INSTRUCTIONS ON)
  endif()
endif()