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https://github.com/opencv/opencv.git
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130 lines
4.3 KiB
CMake
130 lines
4.3 KiB
CMake
if(COMMAND toolchain_save_config)
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return() # prevent recursive call
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endif()
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option(AT_PATH "Advance Toolchain directory" "")
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option(AT_RPATH "Add new directories to runtime search path" "")
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option(AT_HOST_LINK "Enable/disable Link against host advance toolchain runtime" OFF)
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option(AT_NO_AUTOVEC "Disable/enable Auto Vectorizer optimization" OFF)
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set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_VERSION 1)
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include("${CMAKE_CURRENT_LIST_DIR}/gnu.toolchain.cmake")
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if(NOT DEFINED CMAKE_C_COMPILER)
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string(REGEX REPLACE "/+$" "" AT_PATH "${AT_PATH}")
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if(NOT AT_PATH)
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message(FATAL_ERROR "'AT_PATH' option is required. Please set it to Advance Toolchain path to get toolchain works")
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endif()
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if(NOT EXISTS ${AT_PATH})
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message(FATAL_ERROR "'${AT_PATH}' Advance Toolchain path isn't exist")
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endif()
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set(CMAKE_C_COMPILER "${AT_PATH}/bin/${GNU_MACHINE}-gcc")
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if(NOT EXISTS ${CMAKE_C_COMPILER})
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message(FATAL_ERROR "GNU C compiler isn't exist on path '${CMAKE_C_COMPILER}'. Please install Advance Toolchain with ${CMAKE_SYSTEM_PROCESSOR} supports")
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endif()
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endif()
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if(NOT DEFINED CMAKE_CXX_COMPILER)
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set(CMAKE_CXX_COMPILER "${AT_PATH}/bin/${GNU_MACHINE}-g++")
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if(NOT EXISTS ${CMAKE_CXX_COMPILER})
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message(FATAL_ERROR "GNU C++ compiler isn't exist. Invalid install of Advance Toolchain")
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endif()
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endif()
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if(NOT DEFINED AT_GCCROOT_PATH)
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set(AT_GCCROOT_PATH "${AT_PATH}/${GNU_MACHINE}")
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if(NOT EXISTS ${AT_GCCROOT_PATH})
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message(FATAL_ERROR "GCC root path '${AT_GCCROOT_PATH}' isn't exist. Invalid install of Advance Toolchain")
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endif()
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endif()
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if(NOT DEFINED AT_SYSROOT_PATH)
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if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "ppc64")
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set(AT_SYSROOT_PATH "${AT_PATH}/ppc")
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else()
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set(AT_SYSROOT_PATH "${AT_PATH}/${CMAKE_SYSTEM_PROCESSOR}")
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endif()
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if(NOT EXISTS ${AT_SYSROOT_PATH})
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message(FATAL_ERROR "System root path '${AT_SYSROOT_PATH}' isn't exist. Invalid install of Advance Toolchain")
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endif()
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endif()
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if(NOT DEFINED CMAKE_EXE_LINKER_FLAGS)
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set(CMAKE_CXX_FLAGS "" CACHE INTERNAL "")
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set(CMAKE_C_FLAGS "" CACHE INTERNAL "")
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set(CMAKE_EXE_LINKER_FLAGS "" CACHE INTERNAL "")
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set(CMAKE_SHARED_LINKER_FLAGS "" CACHE INTERNAL "")
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set(CMAKE_MODULE_LINKER_FLAGS "" CACHE INTERNAL "")
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if(AT_RPATH)
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string(REPLACE "," ";" RPATH_LIST ${AT_RPATH})
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endif()
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if(AT_HOST_LINK)
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#get 64-bit dynamic linker path
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file(STRINGS "${AT_SYSROOT_PATH}/usr/bin/ldd" RTLDLIST LIMIT_COUNT 1 REGEX "^RTLDLIST=[\"*\"]")
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string(REGEX REPLACE "RTLDLIST=|\"" "" RTLDLIST "${RTLDLIST}")
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string(REPLACE " " ";" RTLDLIST "${RTLDLIST}")
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#RTLDLIST must contains 32 and 64 bit paths
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list(LENGTH RTLDLIST RTLDLIST_LEN)
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if(NOT RTLDLIST_LEN GREATER 1)
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message(FATAL_ERROR "Could not fetch dynamic linker path. Invalid install of Advance Toolchain")
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endif()
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list (GET RTLDLIST 1 LINKER_PATH)
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set(CMAKE_EXE_LINKER_FLAGS "-Wl,--dynamic-linker=${AT_SYSROOT_PATH}${LINKER_PATH}")
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list(APPEND RPATH_LIST "${AT_GCCROOT_PATH}/lib64/")
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list(APPEND RPATH_LIST "${AT_SYSROOT_PATH}/lib64/")
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list(APPEND RPATH_LIST "${AT_SYSROOT_PATH}/usr/lib64/")
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list(APPEND RPATH_LIST "${PROJECT_BINARY_DIR}/lib/")
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endif()
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list(LENGTH RPATH_LIST RPATH_LEN)
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if(RPATH_LEN GREATER 0)
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set(AT_LINKER_FLAGS "${AT_LINKER_FLAGS} -Wl")
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foreach(RPATH ${RPATH_LIST})
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set(AT_LINKER_FLAGS "${AT_LINKER_FLAGS},-rpath,${RPATH}")
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endforeach()
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endif()
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set(CMAKE_SHARED_LINKER_FLAGS "${AT_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS "${AT_LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS "${AT_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
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if(AT_NO_AUTOVEC)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-tree-vectorize -fno-tree-slp-vectorize")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-tree-vectorize -fno-tree-slp-vectorize")
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endif()
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endif()
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set(CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_ROOT_PATH} ${AT_SYSROOT_PATH} ${AT_GCCROOT_PATH})
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set(CMAKE_SYSROOT ${AT_SYSROOT_PATH})
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# what about ld.gold?
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if(NOT DEFINED CMAKE_LINKER)
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find_program(CMAKE_LINKER NAMES ld)
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endif()
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if(NOT DEFINED CMAKE_AR)
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find_program(CMAKE_AR NAMES ar)
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endif()
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set(TOOLCHAIN_CONFIG_VARS ${TOOLCHAIN_CONFIG_VARS}
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CMAKE_SYSROOT
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AT_SYSROOT_PATH
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AT_GCCROOT_PATH
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)
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toolchain_save_config()
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