forked from premiere/premiere-libtorrent
119 lines
3.9 KiB
CMake
119 lines
3.9 KiB
CMake
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# taken from https://github.com/onqtam/ucm/blob/master/cmake/ucm.cmake
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#
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# ucm.cmake - useful cmake macros
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#
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# Copyright (c) 2016 Viktor Kirilov
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#
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# Distributed under the MIT Software License
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# See accompanying file LICENSE.txt or copy at
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# https://opensource.org/licenses/MIT
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#
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# The documentation can be found at the library's page:
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# https://github.com/onqtam/ucm
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include(CMakeParseArguments)
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# ucm_gather_flags
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# Gathers all lists of flags for printing or manipulation
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macro(ucm_gather_flags with_linker result)
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set(${result} "")
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# add the main flags without a config
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list(APPEND ${result} CMAKE_C_FLAGS)
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list(APPEND ${result} CMAKE_CXX_FLAGS)
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if(${with_linker})
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list(APPEND ${result} CMAKE_EXE_LINKER_FLAGS)
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list(APPEND ${result} CMAKE_MODULE_LINKER_FLAGS)
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list(APPEND ${result} CMAKE_SHARED_LINKER_FLAGS)
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list(APPEND ${result} CMAKE_STATIC_LINKER_FLAGS)
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endif()
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if("${CMAKE_CONFIGURATION_TYPES}" STREQUAL "" AND NOT "${CMAKE_BUILD_TYPE}" STREQUAL "")
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# handle single config generators - like makefiles/ninja - when CMAKE_BUILD_TYPE is set
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string(TOUPPER ${CMAKE_BUILD_TYPE} config)
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list(APPEND ${result} CMAKE_C_FLAGS_${config})
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list(APPEND ${result} CMAKE_CXX_FLAGS_${config})
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if(${with_linker})
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list(APPEND ${result} CMAKE_EXE_LINKER_FLAGS_${config})
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list(APPEND ${result} CMAKE_MODULE_LINKER_FLAGS_${config})
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list(APPEND ${result} CMAKE_SHARED_LINKER_FLAGS_${config})
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list(APPEND ${result} CMAKE_STATIC_LINKER_FLAGS_${config})
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endif()
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else()
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# handle multi config generators (like msvc, xcode)
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foreach(config ${CMAKE_CONFIGURATION_TYPES})
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string(TOUPPER ${config} config)
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list(APPEND ${result} CMAKE_C_FLAGS_${config})
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list(APPEND ${result} CMAKE_CXX_FLAGS_${config})
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if(${with_linker})
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list(APPEND ${result} CMAKE_EXE_LINKER_FLAGS_${config})
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list(APPEND ${result} CMAKE_MODULE_LINKER_FLAGS_${config})
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list(APPEND ${result} CMAKE_SHARED_LINKER_FLAGS_${config})
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list(APPEND ${result} CMAKE_STATIC_LINKER_FLAGS_${config})
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endif()
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endforeach()
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endif()
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endmacro()
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# ucm_set_runtime
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# Sets the runtime (static/dynamic) for msvc/gcc
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macro(ucm_set_runtime)
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cmake_parse_arguments(ARG "STATIC;DYNAMIC" "" "" ${ARGN})
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if(ARG_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "unrecognized arguments: ${ARG_UNPARSED_ARGUMENTS}")
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endif()
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" STREQUAL "")
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message(AUTHOR_WARNING "ucm_set_runtime() does not support clang yet!")
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endif()
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ucm_gather_flags(0 flags_configs)
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# add/replace the flags
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# note that if the user has messed with the flags directly this function might fail
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# - for example if with MSVC and the user has removed the flags - here we just switch/replace them
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if("${ARG_STATIC}")
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foreach(flags ${flags_configs})
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if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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if(NOT ${flags} MATCHES "-static-libstdc\\+\\+")
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set(${flags} "${${flags}} -static-libstdc++")
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endif()
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if(NOT ${flags} MATCHES "-static-libgcc")
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set(${flags} "${${flags}} -static-libgcc")
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endif()
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elseif(MSVC)
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if(${flags} MATCHES "/MD")
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string(REGEX REPLACE "/MD" "/MT" ${flags} "${${flags}}")
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endif()
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endif()
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endforeach()
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elseif("${ARG_DYNAMIC}")
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foreach(flags ${flags_configs})
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if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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if(${flags} MATCHES "-static-libstdc\\+\\+")
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string(REGEX REPLACE "-static-libstdc\\+\\+" "" ${flags} "${${flags}}")
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endif()
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if(${flags} MATCHES "-static-libgcc")
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string(REGEX REPLACE "-static-libgcc" "" ${flags} "${${flags}}")
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endif()
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elseif(MSVC)
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if(${flags} MATCHES "/MT")
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string(REGEX REPLACE "/MT" "/MD" ${flags} "${${flags}}")
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endif()
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endif()
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endforeach()
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endif()
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endmacro()
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# ucm_print_flags
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# Prints all compiler flags for all configurations
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macro(ucm_print_flags)
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ucm_gather_flags(1 flags_configs)
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message("")
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foreach(flags ${flags_configs})
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message("${flags}: ${${flags}}")
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endforeach()
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message("")
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endmacro()
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