135 lines
3.5 KiB
CMake
135 lines
3.5 KiB
CMake
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cmake_minimum_required(VERSION 3.5)
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# load settings in case of "try compile"
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set(TOOLCHAIN_CONFIG_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/toolchain.config.cmake")
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get_property(__IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
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if(__IN_TRY_COMPILE)
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include("${CMAKE_CURRENT_SOURCE_DIR}/../toolchain.config.cmake" OPTIONAL) # CMAKE_BINARY_DIR is different
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macro(toolchain_save_config)
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# nothing
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endmacro()
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else()
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macro(toolchain_save_config)
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set(__config "#message(\"Load TOOLCHAIN config...\")\n")
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get_cmake_property(__variableNames VARIABLES)
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set(__vars_list ${ARGN})
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list(APPEND __vars_list
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${TOOLCHAIN_CONFIG_VARS}
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CMAKE_SYSTEM_NAME
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CMAKE_SYSTEM_VERSION
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CMAKE_SYSTEM_PROCESSOR
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CMAKE_C_COMPILER
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CMAKE_CXX_COMPILER
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CMAKE_C_FLAGS
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CMAKE_CXX_FLAGS
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CMAKE_SHARED_LINKER_FLAGS
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CMAKE_MODULE_LINKER_FLAGS
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CMAKE_EXE_LINKER_FLAGS
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CMAKE_SKIP_RPATH
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CMAKE_FIND_ROOT_PATH
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GCC_COMPILER_VERSION
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)
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foreach(__var ${__variableNames})
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foreach(_v ${__vars_list})
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if("x${__var}" STREQUAL "x${_v}")
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if(${__var} MATCHES " ")
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set(__config "${__config}set(${__var} \"${${__var}}\")\n")
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else()
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set(__config "${__config}set(${__var} ${${__var}})\n")
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endif()
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endif()
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endforeach()
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endforeach()
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if(EXISTS "${TOOLCHAIN_CONFIG_FILE}")
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file(READ "${TOOLCHAIN_CONFIG_FILE}" __config_old)
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endif()
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if("${__config_old}" STREQUAL "${__config}")
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# nothing
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else()
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#message("Update TOOLCHAIN config: ${__config}")
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file(WRITE "${TOOLCHAIN_CONFIG_FILE}" "${__config}")
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endif()
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unset(__config)
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unset(__config_old)
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unset(__vars_list)
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unset(__variableNames)
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endmacro()
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endif() # IN_TRY_COMPILE
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if(NOT CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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endif()
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if(NOT CMAKE_FIND_ROOT_PATH_MODE_INCLUDE)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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endif()
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if(NOT CMAKE_FIND_ROOT_PATH_MODE_PACKAGE)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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endif()
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if(NOT CMAKE_FIND_ROOT_PATH_MODE_PROGRAM)
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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endif()
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macro(__cmake_find_root_save_and_reset)
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foreach(v
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CMAKE_FIND_ROOT_PATH_MODE_LIBRARY
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CMAKE_FIND_ROOT_PATH_MODE_INCLUDE
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CMAKE_FIND_ROOT_PATH_MODE_PACKAGE
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CMAKE_FIND_ROOT_PATH_MODE_PROGRAM
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)
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set(__save_${v} ${${v}})
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set(${v} NEVER)
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endforeach()
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endmacro()
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macro(__cmake_find_root_restore)
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foreach(v
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CMAKE_FIND_ROOT_PATH_MODE_LIBRARY
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CMAKE_FIND_ROOT_PATH_MODE_INCLUDE
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CMAKE_FIND_ROOT_PATH_MODE_PACKAGE
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CMAKE_FIND_ROOT_PATH_MODE_PROGRAM
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)
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set(${v} ${__save_${v}})
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unset(__save_${v})
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endforeach()
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endmacro()
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# macro to find programs on the host OS
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macro(find_host_program)
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__cmake_find_root_save_and_reset()
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if(CMAKE_HOST_WIN32)
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SET(WIN32 1)
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SET(UNIX)
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elseif(CMAKE_HOST_APPLE)
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SET(APPLE 1)
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SET(UNIX)
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endif()
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find_program(${ARGN})
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SET(WIN32)
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SET(APPLE)
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SET(UNIX 1)
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__cmake_find_root_restore()
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endmacro()
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# macro to find packages on the host OS
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macro(find_host_package)
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__cmake_find_root_save_and_reset()
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if(CMAKE_HOST_WIN32)
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SET(WIN32 1)
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SET(UNIX)
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elseif(CMAKE_HOST_APPLE)
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SET(APPLE 1)
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SET(UNIX)
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endif()
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find_package(${ARGN})
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SET(WIN32)
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SET(APPLE)
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SET(UNIX 1)
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__cmake_find_root_restore()
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endmacro()
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set(CMAKE_SKIP_RPATH TRUE CACHE BOOL "If set, runtime paths are not added when using shared libraries.")
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