141 lines
3.8 KiB
CMake
141 lines
3.8 KiB
CMake
##
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## Author: Hank Anderson <hank@statease.com>
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## Description: Ported from the OpenBLAS/c_check perl script.
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## This is triggered by prebuild.cmake and runs before any of the code is built.
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## Creates config.h and Makefile.conf.
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# Convert CMake vars into the format that OpenBLAS expects
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string(TOUPPER ${CMAKE_SYSTEM_NAME} HOST_OS)
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if (${HOST_OS} STREQUAL "WINDOWS")
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set(HOST_OS WINNT)
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endif ()
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if (${HOST_OS} STREQUAL "LINUX")
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# check if we're building natively on Android (TERMUX)
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EXECUTE_PROCESS( COMMAND uname -o COMMAND tr -d '\n' OUTPUT_VARIABLE OPERATING_SYSTEM)
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if(${OPERATING_SYSTEM} MATCHES "Android")
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set(HOST_OS ANDROID)
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endif()
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endif()
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if(MINGW)
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execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpmachine
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OUTPUT_VARIABLE OPENBLAS_MINGW_TARGET_MACHINE
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(OPENBLAS_MINGW_TARGET_MACHINE MATCHES "amd64|x86_64|AMD64")
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set(MINGW64 1)
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endif()
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endif()
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# Pretty thorough determination of arch. Add more if needed
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if(CMAKE_CL_64 OR MINGW64)
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if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*|arm64.*|ARM64.*)")
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set(ARM64 1)
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else()
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set(X86_64 1)
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endif()
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elseif(MINGW OR (MSVC AND NOT CMAKE_CROSSCOMPILING))
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set(X86 1)
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc.*|power.*|Power.*")
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set(POWER 1)
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "mips64.*")
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set(MIPS64 1)
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "loongarch64.*")
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set(LOONGARCH64 1)
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "riscv64.*")
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set(RISCV64 1)
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
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if (NOT BINARY)
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if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
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set(X86_64 1)
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else()
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set(X86 1)
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endif()
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else()
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if (${BINARY} EQUAL "64")
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set(X86_64 1)
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else ()
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set(X86 1)
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endif()
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endif()
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*|amd64.*|AMD64.*")
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set(X86 1)
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*|arm64.*|ARM64.*|armv8.*)")
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if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
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set(ARM64 1)
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else()
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set(ARM 1)
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endif()
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm.*|ARM.*)")
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set(ARM 1)
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elseif (${CMAKE_CROSSCOMPILING})
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if (${TARGET} STREQUAL "CORE2")
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if (NOT BINARY)
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set(X86 1)
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elseif (${BINARY} EQUAL "64")
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set(X86_64 1)
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else ()
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set(X86 1)
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endif()
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elseif (${TARGET} STREQUAL "P5600" OR ${TARGET} MATCHES "MIPS.*")
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set(MIPS32 1)
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elseif (${TARGET} STREQUAL "ARMV7")
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set(ARM 1)
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else()
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set(ARM64 1)
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endif ()
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else ()
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message(WARNING "Target ARCH could not be determined, got \"${CMAKE_SYSTEM_PROCESSOR}\"")
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endif()
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if (X86_64)
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set(ARCH "x86_64")
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elseif(X86)
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set(ARCH "x86")
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elseif(POWER)
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set(ARCH "power")
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elseif(MIPS32)
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set(ARCH "mips")
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elseif(MIPS64)
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set(ARCH "mips64")
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elseif(ARM)
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set(ARCH "arm")
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elseif(ARM64)
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set(ARCH "arm64")
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else()
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set(ARCH ${CMAKE_SYSTEM_PROCESSOR} CACHE STRING "Target Architecture")
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endif ()
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if (NOT BINARY)
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if (X86_64 OR ARM64 OR POWER OR MIPS64 OR LOONGARCH64 OR RISCV64)
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set(BINARY 64)
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else ()
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set(BINARY 32)
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endif ()
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endif()
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if(BINARY EQUAL 64)
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set(BINARY64 1)
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else()
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set(BINARY32 1)
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endif()
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if (X86_64 OR X86)
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if (NOT NO_AVX512)
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file(WRITE ${PROJECT_BINARY_DIR}/avx512.c "#include <immintrin.h>\n\nint main(void){ __asm__ volatile(\"vbroadcastss -4 * 4(%rsi), %zmm2\"); }")
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execute_process(COMMAND ${CMAKE_C_COMPILER} -march=skylake-avx512 -c -v -o ${PROJECT_BINARY_DIR}/avx512.o ${PROJECT_BINARY_DIR}/avx512.c OUTPUT_QUIET ERROR_QUIET RESULT_VARIABLE NO_AVX512)
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if (NO_AVX512 EQUAL 1)
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set (CCOMMON_OPT "${CCOMMON_OPT} -DNO_AVX512")
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endif()
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file(REMOVE "avx512.c" "avx512.o")
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endif()
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endif()
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include(CheckIncludeFile)
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CHECK_INCLUDE_FILE("stdatomic.h" HAVE_C11)
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if (HAVE_C11 EQUAL 1)
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set (CCOMMON_OPT "${CCOMMON_OPT} -DHAVE_C11")
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endif()
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