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https://github.com/asdlokj1qpi233/subconverter.git
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98 lines
3.3 KiB
CMake
98 lines
3.3 KiB
CMake
# Copyright (c) 2011 Milo Yip (miloyip@gmail.com)
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# Copyright (c) 2013 Rafal Jeczalik (rjeczalik@gmail.com)
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# Distributed under the MIT License (see license.txt file)
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# -----------------------------------------------------------------------------------
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#
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# Finds the rapidjson library
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#
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# -----------------------------------------------------------------------------------
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#
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# Variables used by this module, they can change the default behaviour.
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# Those variables need to be either set before calling find_package
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# or exported as environment variables before running CMake:
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#
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# RAPIDJSON_INCLUDEDIR - Set custom include path, useful when rapidjson headers are
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# outside system paths
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# RAPIDJSON_USE_SSE2 - Configure rapidjson to take advantage of SSE2 capabilities
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# RAPIDJSON_USE_SSE42 - Configure rapidjson to take advantage of SSE4.2 capabilities
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#
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# -----------------------------------------------------------------------------------
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#
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# Variables defined by this module:
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#
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# RAPIDJSON_FOUND - True if rapidjson was found
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# RAPIDJSON_INCLUDE_DIRS - Path to rapidjson include directory
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# RAPIDJSON_CXX_FLAGS - Extra C++ flags required for compilation with rapidjson
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#
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# -----------------------------------------------------------------------------------
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#
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# Example usage:
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#
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# set(RAPIDJSON_USE_SSE2 ON)
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# set(RAPIDJSON_INCLUDEDIR "/opt/github.com/rjeczalik/rapidjson/include")
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#
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# find_package(rapidjson REQUIRED)
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#
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# include_directories("${RAPIDJSON_INCLUDE_DIRS}")
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# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${RAPIDJSON_CXX_FLAGS}")
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# add_executable(foo foo.cc)
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#
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# -----------------------------------------------------------------------------------
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foreach(opt RAPIDJSON_INCLUDEDIR RAPIDJSON_USE_SSE2 RAPIDJSON_USE_SSE42)
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if(${opt} AND DEFINED ENV{${opt}} AND NOT ${opt} STREQUAL "$ENV{${opt}}")
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message(WARNING "Conflicting ${opt} values: ignoring environment variable and using CMake cache entry.")
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elseif(DEFINED ENV{${opt}} AND NOT ${opt})
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set(${opt} "$ENV{${opt}}")
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endif()
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endforeach()
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find_path(
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RAPIDJSON_INCLUDE_DIRS
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NAMES rapidjson/rapidjson.h
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PATHS ${RAPIDJSON_INCLUDEDIR}
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DOC "Include directory for the rapidjson library."
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)
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mark_as_advanced(RAPIDJSON_INCLUDE_DIRS)
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if(RAPIDJSON_INCLUDE_DIRS)
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set(RAPIDJSON_FOUND TRUE)
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endif()
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mark_as_advanced(RAPIDJSON_FOUND)
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if(RAPIDJSON_USE_SSE42)
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set(RAPIDJSON_CXX_FLAGS "-DRAPIDJSON_SSE42")
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if(MSVC)
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set(RAPIDJSON_CXX_FLAGS "${RAPIDJSON_CXX_FLAGS} /arch:SSE4.2")
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else()
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set(RAPIDJSON_CXX_FLAGS "${RAPIDJSON_CXX_FLAGS} -msse4.2")
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endif()
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else()
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if(RAPIDJSON_USE_SSE2)
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set(RAPIDJSON_CXX_FLAGS "-DRAPIDJSON_SSE2")
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if(MSVC)
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set(RAPIDJSON_CXX_FLAGS "${RAPIDJSON_CXX_FLAGS} /arch:SSE2")
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else()
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set(RAPIDJSON_CXX_FLAGS "${RAPIDJSON_CXX_FLAGS} -msse2")
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endif()
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endif()
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endif()
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mark_as_advanced(RAPIDJSON_CXX_FLAGS)
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if(RAPIDJSON_FOUND)
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if(NOT rapidjson_FIND_QUIETLY)
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message(STATUS "Found rapidjson header files in ${RAPIDJSON_INCLUDE_DIRS}")
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if(DEFINED RAPIDJSON_CXX_FLAGS)
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message(STATUS "Found rapidjson C++ extra compilation flags: ${RAPIDJSON_CXX_FLAGS}")
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endif()
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endif()
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elseif(rapidjson_FIND_REQUIRED)
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message(FATAL_ERROR "Could not find rapidjson")
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else()
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message(STATUS "Optional package rapidjson was not found")
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endif()
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