mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-12-15 12:40:35 +00:00
84 lines
3.9 KiB
CMake
84 lines
3.9 KiB
CMake
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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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COMMAND ${CMAKE_CXX_COMPILER} -dM -E -
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OUTPUT_VARIABLE TEST_FOR_ARM_RESULTS)
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string(REGEX MATCH "__arm" ARM_FOUND "${TEST_FOR_ARM_RESULTS}")
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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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# 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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