mirror of
https://github.com/opencv/opencv.git
synced 2024-12-21 05:28:01 +08:00
88 lines
3.2 KiB
CMake
88 lines
3.2 KiB
CMake
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if(COMMAND toolchain_save_config)
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return() # prevent recursive call
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endif()
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set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_VERSION 1)
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if(NOT DEFINED CMAKE_SYSTEM_PROCESSOR)
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set(CMAKE_SYSTEM_PROCESSOR arm)
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else()
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#message("CMAKE_SYSTEM_PROCESSOR=${CMAKE_SYSTEM_PROCESSOR}")
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endif()
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include("${CMAKE_CURRENT_LIST_DIR}/gnu.toolchain.cmake")
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if(CMAKE_SYSTEM_PROCESSOR STREQUAL arm AND NOT ARM_IGNORE_FP)
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set(FLOAT_ABI_SUFFIX "")
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if(NOT SOFTFP)
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set(FLOAT_ABI_SUFFIX "hf")
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endif()
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endif()
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if(NOT "x${GCC_COMPILER_VERSION}" STREQUAL "x")
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set(__GCC_VER_SUFFIX "-${GCC_COMPILER_VERSION}")
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endif()
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if(NOT DEFINED CMAKE_C_COMPILER)
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find_program(CMAKE_C_COMPILER NAMES ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-gcc${__GCC_VER_SUFFIX})
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else()
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#message(WARNING "CMAKE_C_COMPILER=${CMAKE_C_COMPILER} is defined")
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endif()
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if(NOT DEFINED CMAKE_CXX_COMPILER)
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find_program(CMAKE_CXX_COMPILER NAMES ${GNU_MACHINE}${FLOAT_ABI_SUFFIX}-g++${__GCC_VER_SUFFIX})
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else()
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#message(WARNING "CMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} is defined")
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endif()
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if(NOT DEFINED ARM_LINUX_SYSROOT AND DEFINED GNU_MACHINE)
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set(ARM_LINUX_SYSROOT /usr/${GNU_MACHINE}${FLOAT_ABI_SUFFIX})
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endif()
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if(NOT DEFINED CMAKE_CXX_FLAGS)
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set(CMAKE_CXX_FLAGS "" CACHE INTERAL "")
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set(CMAKE_C_FLAGS "" CACHE INTERAL "")
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set(CMAKE_SHARED_LINKER_FLAGS "" CACHE INTERAL "")
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set(CMAKE_MODULE_LINKER_FLAGS "" CACHE INTERAL "")
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set(CMAKE_EXE_LINKER_FLAGS "" CACHE INTERAL "")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdata-sections -Wa,--noexecstack -fsigned-char -Wno-psabi")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fdata-sections -Wa,--noexecstack -fsigned-char -Wno-psabi")
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if(CMAKE_SYSTEM_PROCESSOR STREQUAL arm)
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set(CMAKE_CXX_FLAGS "-mthumb ${CMAKE_CXX_FLAGS}")
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set(CMAKE_C_FLAGS "-mthumb ${CMAKE_C_FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-z,nocopyreloc")
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endif()
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if(CMAKE_SYSTEM_PROCESSOR STREQUAL arm)
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set(ARM_LINKER_FLAGS "-Wl,--fix-cortex-a8 -Wl,--no-undefined -Wl,--gc-sections -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now")
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elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64)
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set(ARM_LINKER_FLAGS "-Wl,--no-undefined -Wl,--gc-sections -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now")
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endif()
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set(CMAKE_SHARED_LINKER_FLAGS "${ARM_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS "${ARM_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS "${ARM_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
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else()
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#message(WARNING "CMAKE_CXX_FLAGS='${CMAKE_CXX_FLAGS}' is defined")
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endif()
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if(USE_NEON)
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message(WARNING "You use obsolete variable USE_NEON to enable NEON instruction set. Use -DENABLE_NEON=ON instead." )
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set(ENABLE_NEON TRUE)
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elseif(USE_VFPV3)
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message(WARNING "You use obsolete variable USE_VFPV3 to enable VFPV3 instruction set. Use -DENABLE_VFPV3=ON instead." )
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set(ENABLE_VFPV3 TRUE)
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endif()
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set(CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_ROOT_PATH} ${ARM_LINUX_SYSROOT})
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if(EXISTS ${CUDA_TOOLKIT_ROOT_DIR})
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set(CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_ROOT_PATH} ${CUDA_TOOLKIT_ROOT_DIR})
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endif()
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set(TOOLCHAIN_CONFIG_VARS ${TOOLCHAIN_CONFIG_VARS}
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ARM_LINUX_SYSROOT
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ENABLE_NEON
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ENABLE_VFPV3
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CUDA_TOOLKIT_ROOT_DIR
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)
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toolchain_save_config()
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