mirror of
https://github.com/qbittorrent/qBittorrent.git
synced 2024-12-03 19:44:41 +03:00
fa770871e9
1. Use FeatureSummary module to show configuration results. 2. Invert option()/find_package() relationship: instead of calling find_package(... REQUIRED) when option is set, rely on optional find package call and PackageName_FOUND variable. 3. Refactor handling options that result in simple preprocessor defines (actually copy the snippet from libtorrent) so that everything is done in a single function call. 4. Populate target properties in order to get rid of include_directories() calls.
128 lines
5.6 KiB
CMake
128 lines
5.6 KiB
CMake
# - Try to find libtorrent-rasterbar
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#
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# If not using pkg-config, you can pre-set LibtorrentRasterbar_CUSTOM_DEFINITIONS
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# for definitions unrelated to Boost's separate compilation (which are already
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# decided by the LibtorrentRasterbar_USE_STATIC_LIBS variable).
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#
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# Once done this will define
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# LibtorrentRasterbar_FOUND - System has libtorrent-rasterbar
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# LibtorrentRasterbar_INCLUDE_DIRS - The libtorrent-rasterbar include directories
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# LibtorrentRasterbar_LIBRARIES - The libraries needed to use libtorrent-rasterbar
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# LibtorrentRasterbar_DEFINITIONS - Compiler switches required for using libtorrent-rasterbar
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# LibtorrentRasterbar_OPENSSL_ENABLED - libtorrent-rasterbar uses and links against OpenSSL
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find_package(Threads REQUIRED)
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find_package(PkgConfig QUIET)
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macro(_detect_boost_components _outComponets librariesList)
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string(REGEX MATCHALL "boost_[a-z_]+[-a-z]*" _boost_libraries "${librariesList}")
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string(REGEX REPLACE "boost_([a-z_]+)[-a-z]*" "\\1" ${_outComponets} "${_boost_libraries}")
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endmacro()
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(PC_LIBTORRENT_RASTERBAR QUIET libtorrent-rasterbar)
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endif()
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if(LibtorrentRasterbar_USE_STATIC_LIBS)
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set(LibtorrentRasterbar_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX})
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endif()
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if(PC_LIBTORRENT_RASTERBAR_FOUND)
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set(LibtorrentRasterbar_DEFINITIONS ${PC_LIBTORRENT_RASTERBAR_CFLAGS})
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else()
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if(LibtorrentRasterbar_CUSTOM_DEFINITIONS)
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set(LibtorrentRasterbar_DEFINITIONS ${LibtorrentRasterbar_CUSTOM_DEFINITIONS})
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else()
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# Without pkg-config, we can't possibly figure out the correct build flags.
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# libtorrent is very picky about those. Let's take a set of defaults and
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# hope that they apply. If not, you the user are on your own.
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set(LibtorrentRasterbar_DEFINITIONS
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-DTORRENT_USE_OPENSSL
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-DTORRENT_DISABLE_GEO_IP
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-DBOOST_ASIO_ENABLE_CANCELIO
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-DUNICODE -D_UNICODE -D_FILE_OFFSET_BITS=64)
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endif()
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if(NOT LibtorrentRasterbar_USE_STATIC_LIBS)
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list(APPEND LibtorrentRasterbar_DEFINITIONS
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-DTORRENT_LINKING_SHARED
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-DBOOST_SYSTEM_DYN_LINK -DBOOST_CHRONO_DYN_LINK)
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endif()
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endif()
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message(STATUS "libtorrent definitions: ${LibtorrentRasterbar_DEFINITIONS}")
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find_path(LibtorrentRasterbar_INCLUDE_DIR libtorrent
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HINTS ${PC_LIBTORRENT_RASTERBAR_INCLUDEDIR} ${PC_LIBTORRENT_RASTERBAR_INCLUDE_DIRS}
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PATH_SUFFIXES libtorrent-rasterbar)
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find_library(LibtorrentRasterbar_LIBRARY NAMES torrent-rasterbar libtorrent
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HINTS ${PC_LIBTORRENT_RASTERBAR_LIBDIR} ${PC_LIBTORRENT_RASTERBAR_LIBRARY_DIRS})
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if(LibtorrentRasterbar_USE_STATIC_LIBS)
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${LibtorrentRasterbar_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
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endif()
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set(LibtorrentRasterbar_LIBRARIES ${LibtorrentRasterbar_LIBRARY} ${CMAKE_THREAD_LIBS_INIT})
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set(LibtorrentRasterbar_INCLUDE_DIRS ${LibtorrentRasterbar_INCLUDE_DIR})
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# Without pkg-config, we can't possibly figure out the correct boost dependencies
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if (LibtorrentRasterbar_CUSTOM_BOOST_DEPENDENCIES)
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set(_boost_components "${LibtorrentRasterbar_CUSTOM_BOOST_DEPENDENCIES}")
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else(LibtorrentRasterbar_CUSTOM_BOOST_DEPENDENCIES)
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if(PC_LIBTORRENT_RASTERBAR_FOUND)
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_detect_boost_components(_boost_components "${PC_LIBTORRENT_RASTERBAR_LIBRARIES}")
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else()
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# all possible boost dependencies
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set(_boost_components
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date_time
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system
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chrono
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random
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thread
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)
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endif()
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endif(LibtorrentRasterbar_CUSTOM_BOOST_DEPENDENCIES)
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list(SORT _boost_components)
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message(STATUS "Libtorrent Boost dependencies: ${_boost_components}")
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find_package(Boost REQUIRED COMPONENTS ${_boost_components})
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set(LibtorrentRasterbar_LIBRARIES ${LibtorrentRasterbar_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
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foreach(_boost_cmpnt IN LISTS _boost_components)
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list(APPEND LibtorrentRasterbar_LIBRARIES "Boost::${_boost_cmpnt}")
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endforeach(_boost_cmpnt)
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set(LibtorrentRasterbar_INCLUDE_DIRS ${LibtorrentRasterbar_INCLUDE_DIRS})
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list(FIND LibtorrentRasterbar_DEFINITIONS -DTORRENT_USE_OPENSSL LibtorrentRasterbar_ENCRYPTION_INDEX)
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if(LibtorrentRasterbar_ENCRYPTION_INDEX GREATER -1)
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find_package(OpenSSL REQUIRED)
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set(LibtorrentRasterbar_LIBRARIES ${LibtorrentRasterbar_LIBRARIES} OpenSSL::SSL OpenSSL::Crypto)
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list(APPEND LibtorrentRasterbar_INCLUDE_DIRS "${OPENSSL_INCLUDE_DIR}")
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set(LibtorrentRasterbar_OPENSSL_ENABLED ON)
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endif()
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include(FindPackageHandleStandardArgs)
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# handle the QUIETLY and REQUIRED arguments and set LibtorrentRasterbar_FOUND to TRUE
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# if all listed variables are TRUE
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find_package_handle_standard_args(LibtorrentRasterbar DEFAULT_MSG
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LibtorrentRasterbar_LIBRARY
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LibtorrentRasterbar_INCLUDE_DIR)
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mark_as_advanced(LibtorrentRasterbar_INCLUDE_DIR LibtorrentRasterbar_LIBRARY
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LibtorrentRasterbar_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES
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LibtorrentRasterbar_ENCRYPTION_INDEX)
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if (LibtorrentRasterbar_FOUND AND NOT TARGET LibtorrentRasterbar::torrent-rasterbar)
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add_library(LibtorrentRasterbar::torrent-rasterbar UNKNOWN IMPORTED)
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set_target_properties(LibtorrentRasterbar::torrent-rasterbar PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
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IMPORTED_LOCATION "${LibtorrentRasterbar_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${LibtorrentRasterbar_INCLUDE_DIRS}"
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INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "${LibtorrentRasterbar_INCLUDE_DIRS}"
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INTERFACE_LINK_LIBRARIES "${LibtorrentRasterbar_LIBRARIES}"
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INTERFACE_COMPILE_OPTIONS "${LibtorrentRasterbar_DEFINITIONS}"
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)
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endif()
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