OpenBLAS/cmake/c_check.cmake

112 lines
2.6 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.
# CMake vars set by this file:
# OSNAME (use CMAKE_SYSTEM_NAME)
# ARCH
# C_COMPILER (use CMAKE_C_COMPILER)
# BINARY32
# BINARY64
# FU
# CROSS_SUFFIX
# CROSS
# CEXTRALIB
# Defines set by this file:
# OS_
# ARCH_
# C_
# __32BIT__
# __64BIT__
# FUNDERSCORE
# PTHREAD_CREATE_FUNC
# N.B. c_check (and ctest.c) is not cross-platform, so instead try to use CMake variables.
set(FU "")
if (APPLE OR (MSVC AND NOT ${CMAKE_C_COMPILER_ID} MATCHES "Clang"))
set(FU "_")
endif()
# 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(CMAKE_COMPILER_IS_GNUCC AND WIN32)
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpmachine
OUTPUT_VARIABLE OPENBLAS_GCC_TARGET_MACHINE
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(OPENBLAS_GCC_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)
set(X86_64 1)
elseif(MINGW OR (MSVC AND NOT CMAKE_CROSSCOMPILING))
set(X86 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc")
set(PPC 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
set(X86_64 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*|amd64.*|AMD64.*")
set(X86 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm.*|ARM.*)")
set(ARM 1)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
set(ARM64 1)
endif()
if (X86_64)
set(ARCH "x86_64")
elseif(X86)
set(ARCH "x86")
elseif(PPC)
set(ARCH "power")
elseif(ARM)
set(ARCH "arm")
elseif(ARM64)
set(ARCH "arm64")
else()
set(ARCH ${CMAKE_SYSTEM_PROCESSOR} CACHE STRING "Target Architecture")
endif ()
if (NOT BINARY)
if (X86_64 OR ARM64 OR PPC OR ARCH STREQUAL "mips64")
set(BINARY 64)
else ()
set(BINARY 32)
endif ()
endif()
if(BINARY EQUAL 64)
set(BINARY64 1)
else()
set(BINARY32 1)
endif()
set(COMPILER_ID ${CMAKE_C_COMPILER_ID})
if (${COMPILER_ID} STREQUAL "GNU")
set(COMPILER_ID "GCC")
endif ()
string(TOUPPER ${ARCH} UC_ARCH)
file(WRITE ${TARGET_CONF_TEMP}
"#define OS_${HOST_OS}\t1\n"
"#define ARCH_${UC_ARCH}\t1\n"
"#define C_${COMPILER_ID}\t1\n"
"#define __${BINARY}BIT__\t1\n"
"#define FUNDERSCORE\t${FU}\n")
if (${HOST_OS} STREQUAL "WINDOWSSTORE")
file(APPEND ${TARGET_CONF_TEMP}
"#define OS_WINNT\t1\n")
endif ()