mirror of https://github.com/gnss-sdr/gnss-sdr
116 lines
5.1 KiB
CMake
116 lines
5.1 KiB
CMake
# Copyright (C) 2011-2018 (see AUTHORS file for a list of contributors)
|
|
#
|
|
# This file is part of GNSS-SDR.
|
|
#
|
|
# SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
##############################################################################
|
|
# check if the compiler defines the architecture as ARM and set the
|
|
# version, if found.
|
|
#
|
|
# - Anthony Arnold
|
|
##############################################################################
|
|
|
|
if(__TEST_FOR_ARM_INCLUDED)
|
|
return()
|
|
endif()
|
|
set(__TEST_FOR_ARM_INCLUDED TRUE)
|
|
|
|
# Function checks if the input string defines ARM version and sets the
|
|
# output variable if found.
|
|
function(check_arm_version ppdef input_string version output_var)
|
|
string(REGEX MATCH "${ppdef}" _VERSION_MATCH "${input_string}")
|
|
if(NOT _VERSION_MATCH STREQUAL "")
|
|
set(${output_var} "${version}" PARENT_SCOPE)
|
|
endif()
|
|
endfunction()
|
|
|
|
message(STATUS "Checking for ARM")
|
|
|
|
set(IS_ARM FALSE)
|
|
set(ARM_VERSION "")
|
|
|
|
if(ENABLE_PACKAGING)
|
|
set(VERBOSE_BUILDING "-v")
|
|
else()
|
|
set(VERBOSE_BUILDING "")
|
|
endif()
|
|
|
|
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
|
|
execute_process(COMMAND echo "int main(){}"
|
|
COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} -dM ${VERBOSE_BUILDING} -E -
|
|
OUTPUT_VARIABLE TEST_FOR_ARM_RESULTS
|
|
)
|
|
|
|
string(REGEX MATCH "__arm" ARM_FOUND "${TEST_FOR_ARM_RESULTS}")
|
|
if(ARM_FOUND STREQUAL "")
|
|
string(REGEX MATCH "__aarch64" ARM_FOUND "${TEST_FOR_ARM_RESULTS}")
|
|
endif()
|
|
if(ARM_FOUND STREQUAL "")
|
|
if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "arm")
|
|
set(ARM_FOUND ${CMAKE_HOST_SYSTEM_PROCESSOR})
|
|
endif()
|
|
endif()
|
|
|
|
if(NOT ARM_FOUND STREQUAL "")
|
|
set(IS_ARM TRUE)
|
|
message(STATUS "ARM system detected.")
|
|
|
|
# detect the version
|
|
check_arm_version("__ARM_ARCH_2__" ${TEST_FOR_ARM_RESULTS} "armv2" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_2A__" ${TEST_FOR_ARM_RESULTS} "armv2a" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_3__" ${TEST_FOR_ARM_RESULTS} "armv3" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_3M__" ${TEST_FOR_ARM_RESULTS} "armv3m" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_4__" ${TEST_FOR_ARM_RESULTS} "armv4" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_4T__" ${TEST_FOR_ARM_RESULTS} "armv4t" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_5__" ${TEST_FOR_ARM_RESULTS} "armv5" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_5T__" ${TEST_FOR_ARM_RESULTS} "armv5t" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_5E__" ${TEST_FOR_ARM_RESULTS} "armv5e" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_5TE__" ${TEST_FOR_ARM_RESULTS} "armv5te" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_6__" ${TEST_FOR_ARM_RESULTS} "armv6" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_6J__" ${TEST_FOR_ARM_RESULTS} "armv6j" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_6K__" ${TEST_FOR_ARM_RESULTS} "armv6k" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_6T2__" ${TEST_FOR_ARM_RESULTS} "armv6t2" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_6Z__" ${TEST_FOR_ARM_RESULTS} "armv6z" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_6ZK__" ${TEST_FOR_ARM_RESULTS} "armv6zk" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_6M__" ${TEST_FOR_ARM_RESULTS} "armv6-m" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_7__" ${TEST_FOR_ARM_RESULTS} "armv7" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_7A__" ${TEST_FOR_ARM_RESULTS} "armv7-a" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_7M__" ${TEST_FOR_ARM_RESULTS} "armv7-m" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_7R__" ${TEST_FOR_ARM_RESULTS} "armv7-r" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_7EM_" ${TEST_FOR_ARM_RESULTS} "armv7e-m" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_7VE__" ${TEST_FOR_ARM_RESULTS} "armv7ve" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_8A__" ${TEST_FOR_ARM_RESULTS} "armv8-a" ARM_VERSION)
|
|
check_arm_version("__ARM_ARCH_8A" ${TEST_FOR_ARM_RESULTS} "armv8-a" ARM_VERSION)
|
|
|
|
# anything else just define as unknown
|
|
if(ARM_VERSION STREQUAL "")
|
|
message(STATUS "Couldn't detect ARM version.")
|
|
set(ARM_VERSION "unknown")
|
|
else()
|
|
message(STATUS "ARM version ${ARM_VERSION} detected.")
|
|
endif()
|
|
else()
|
|
message(STATUS "System is not ARM.")
|
|
endif()
|
|
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
|
|
if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "arm")
|
|
set(IS_ARM TRUE)
|
|
set(ARM_VERSION ${CMAKE_HOST_SYSTEM_PROCESSOR})
|
|
message(STATUS "ARM version ${ARM_VERSION} detected.")
|
|
endif()
|
|
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "ARMClang")
|
|
set(IS_ARM TRUE)
|
|
set(ARM_VERSION "arm")
|
|
if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "arm")
|
|
set(ARM_VERSION ${CMAKE_HOST_SYSTEM_PROCESSOR})
|
|
message(STATUS "ARM version ${ARM_VERSION} detected.")
|
|
endif()
|
|
else()
|
|
message(STATUS "Not detecting ARM on non-GNUCXX or non-Clang compiler. Defaulting to false.")
|
|
message(STATUS "If you are compiling for ARM, set -DIS_ARM=ON manually.")
|
|
endif()
|
|
|
|
set(IS_ARM ${IS_ARM} CACHE BOOL "Compiling for ARM")
|
|
set(ARM_VERSION ${ARM_VERSION} CACHE STRING "ARM version")
|