2018-04-29 10:02:40 +00:00
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# Copyright (C) 2011-2018 (see AUTHORS file for a list of contributors)
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#
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# This file is part of GNSS-SDR.
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#
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# GNSS-SDR is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# GNSS-SDR is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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2018-05-13 20:49:11 +00:00
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# along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
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2018-04-29 10:02:40 +00:00
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2014-09-17 14:50:44 +00:00
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##############################################################################
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# check if the compiler defines the architecture as ARM and set the
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# version, if found.
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#
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# - Anthony Arnold
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##############################################################################
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if (__TEST_FOR_ARM_INCLUDED)
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return ()
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endif()
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set(__TEST_FOR_ARM_INCLUDED TRUE)
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# Function checks if the input string defines ARM version and sets the
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# output variable if found.
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function(check_arm_version ppdef input_string version output_var)
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string(REGEX MATCH "${ppdef}" _VERSION_MATCH "${input_string}")
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if (NOT _VERSION_MATCH STREQUAL "")
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set(${output_var} "${version}" PARENT_SCOPE)
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endif(NOT _VERSION_MATCH STREQUAL "")
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endfunction()
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message(STATUS "Checking for ARM")
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set (IS_ARM NO)
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set (ARM_VERSION "")
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if (CMAKE_COMPILER_IS_GNUCXX)
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execute_process(COMMAND echo "int main(){}"
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2015-03-20 14:23:16 +00:00
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COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} -dM -E -
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2016-11-09 23:16:41 +00:00
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OUTPUT_VARIABLE TEST_FOR_ARM_RESULTS)
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2014-09-17 14:50:44 +00:00
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string(REGEX MATCH "__arm" ARM_FOUND "${TEST_FOR_ARM_RESULTS}")
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2016-11-09 23:16:41 +00:00
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if(ARM_FOUND STREQUAL "")
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string(REGEX MATCH "__aarch64" ARM_FOUND "${TEST_FOR_ARM_RESULTS}")
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endif(ARM_FOUND STREQUAL "")
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2014-09-17 14:50:44 +00:00
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if (NOT ARM_FOUND STREQUAL "")
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set(IS_ARM YES)
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message(STATUS "ARM system detected")
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# detect the version
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check_arm_version("__ARM_ARCH_2__" ${TEST_FOR_ARM_RESULTS} "armv2" ARM_VERSION)
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check_arm_version("__ARM_ARCH_2A__" ${TEST_FOR_ARM_RESULTS} "armv2a" ARM_VERSION)
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check_arm_version("__ARM_ARCH_3__" ${TEST_FOR_ARM_RESULTS} "armv3" ARM_VERSION)
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check_arm_version("__ARM_ARCH_3M__" ${TEST_FOR_ARM_RESULTS} "armv3m" ARM_VERSION)
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check_arm_version("__ARM_ARCH_4__" ${TEST_FOR_ARM_RESULTS} "armv4" ARM_VERSION)
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check_arm_version("__ARM_ARCH_4T__" ${TEST_FOR_ARM_RESULTS} "armv4t" ARM_VERSION)
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check_arm_version("__ARM_ARCH_5__" ${TEST_FOR_ARM_RESULTS} "armv5" ARM_VERSION)
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check_arm_version("__ARM_ARCH_5T__" ${TEST_FOR_ARM_RESULTS} "armv5t" ARM_VERSION)
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check_arm_version("__ARM_ARCH_5E__" ${TEST_FOR_ARM_RESULTS} "armv5e" ARM_VERSION)
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check_arm_version("__ARM_ARCH_5TE__" ${TEST_FOR_ARM_RESULTS} "armv5te" ARM_VERSION)
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check_arm_version("__ARM_ARCH_6__" ${TEST_FOR_ARM_RESULTS} "armv6" ARM_VERSION)
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check_arm_version("__ARM_ARCH_6J__" ${TEST_FOR_ARM_RESULTS} "armv6j" ARM_VERSION)
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check_arm_version("__ARM_ARCH_6K__" ${TEST_FOR_ARM_RESULTS} "armv6k" ARM_VERSION)
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check_arm_version("__ARM_ARCH_6T2__" ${TEST_FOR_ARM_RESULTS} "armv6t2" ARM_VERSION)
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check_arm_version("__ARM_ARCH_6Z__" ${TEST_FOR_ARM_RESULTS} "armv6z" ARM_VERSION)
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check_arm_version("__ARM_ARCH_6ZK__" ${TEST_FOR_ARM_RESULTS} "armv6zk" ARM_VERSION)
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check_arm_version("__ARM_ARCH_6M__" ${TEST_FOR_ARM_RESULTS} "armv6-m" ARM_VERSION)
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check_arm_version("__ARM_ARCH_7__" ${TEST_FOR_ARM_RESULTS} "armv7" ARM_VERSION)
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check_arm_version("__ARM_ARCH_7A__" ${TEST_FOR_ARM_RESULTS} "armv7-a" ARM_VERSION)
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check_arm_version("__ARM_ARCH_7M__" ${TEST_FOR_ARM_RESULTS} "armv7-m" ARM_VERSION)
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check_arm_version("__ARM_ARCH_7R__" ${TEST_FOR_ARM_RESULTS} "armv7-r" ARM_VERSION)
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check_arm_version("__ARM_ARCH_7EM_" ${TEST_FOR_ARM_RESULTS} "armv7e-m" ARM_VERSION)
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check_arm_version("__ARM_ARCH_7VE__" ${TEST_FOR_ARM_RESULTS} "armv7ve" ARM_VERSION)
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check_arm_version("__ARM_ARCH_8A__" ${TEST_FOR_ARM_RESULTS} "armv8-a" ARM_VERSION)
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2016-11-13 08:40:15 +00:00
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check_arm_version("__ARM_ARCH_8A" ${TEST_FOR_ARM_RESULTS} "armv8-a" ARM_VERSION)
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2014-09-17 14:50:44 +00:00
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# anything else just define as arm
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if (ARM_VERSION STREQUAL "")
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message(STATUS "Couldn't detect ARM version. Setting to 'arm'")
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set(ARM_VERSION "arm")
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else (ARM_VERSION STREQUAL "")
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message(STATUS "ARM version ${ARM_VERSION} detected")
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endif (ARM_VERSION STREQUAL "")
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else (NOT ARM_FOUND STREQUAL "")
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message(STATUS "System is not ARM")
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endif(NOT ARM_FOUND STREQUAL "")
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else (CMAKE_COMPILE_IS_GNUCXX)
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# TODO: Other compilers
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message(STATUS "Not detecting ARM on non-GNUCXX compiler. Defaulting to false")
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message(STATUS "If you are compiling for ARM, set IS_ARM=ON manually")
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endif(CMAKE_COMPILER_IS_GNUCXX)
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set(IS_ARM ${IS_ARM} CACHE BOOL "Compiling for ARM")
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set(ARM_VERSION ${ARM_VERSION} CACHE STRING "ARM version")
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