OpenBLAS/cmake/system_check.cmake

143 lines
4.1 KiB
CMake

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