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8d59cb32d2
* Fix liblzma wrapper for older CMake * Add feature for tools * Update versions * Test find_package(... REQUIRED)
65 lines
3.1 KiB
CMake
65 lines
3.1 KiB
CMake
cmake_policy(PUSH)
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cmake_policy(SET CMP0012 NEW)
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cmake_policy(SET CMP0057 NEW)
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set(z_vcpkg_liblzma_fixup_needed 0)
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if(NOT "CONFIG" IN_LIST ARGS AND NOT "NO_MODULE" IN_LIST ARGS AND NOT CMAKE_DISABLE_FIND_PACKAGE_LibLZMA)
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get_filename_component(z_vcpkg_liblzma_prefix "${CMAKE_CURRENT_LIST_DIR}" DIRECTORY)
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get_filename_component(z_vcpkg_liblzma_prefix "${z_vcpkg_liblzma_prefix}" DIRECTORY)
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find_path(LIBLZMA_INCLUDE_DIR NAMES lzma.h PATHS "${z_vcpkg_liblzma_prefix}/include" NO_DEFAULT_PATH)
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# liblzma doesn't use a debug postfix, but FindLibLZMA.cmake expects it
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find_library(LIBLZMA_LIBRARY_RELEASE NAMES lzma PATHS "${z_vcpkg_liblzma_prefix}/lib" NO_DEFAULT_PATH)
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find_library(LIBLZMA_LIBRARY_DEBUG NAMES lzma PATHS "${z_vcpkg_liblzma_prefix}/debug/lib" NO_DEFAULT_PATH)
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unset(z_vcpkg_liblzma_prefix)
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if(CMAKE_VERSION VERSION_LESS 3.16)
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# Older versions of FindLibLZMA.cmake need a single lib in LIBLZMA_LIBRARY.
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set(z_vcpkg_liblzma_fixup_needed 1)
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set(LIBLZMA_LIBRARY "${LIBLZMA_LIBRARY_RELEASE}" CACHE INTERNAL "")
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elseif(NOT TARGET LibLZMA::LibLZMA)
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set(z_vcpkg_liblzma_fixup_needed 1)
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endif()
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# Known values, and required. Skip expensive tests.
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set(LIBLZMA_HAS_AUTO_DECODER 1 CACHE INTERNAL "")
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set(LIBLZMA_HAS_EASY_ENCODER 1 CACHE INTERNAL "")
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set(LIBLZMA_HAS_LZMA_PRESET 1 CACHE INTERNAL "")
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endif()
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_find_package(${ARGS})
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if(z_vcpkg_liblzma_fixup_needed)
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include(SelectLibraryConfigurations)
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select_library_configurations(LIBLZMA)
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if(NOT TARGET LibLZMA::LibLZMA)
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# Backfill LibLZMA::LibLZMA to versions of cmake before 3.14
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add_library(LibLZMA::LibLZMA UNKNOWN IMPORTED)
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if(DEFINED LIBLZMA_INCLUDE_DIRS)
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set_target_properties(LibLZMA::LibLZMA PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${LIBLZMA_INCLUDE_DIRS}")
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endif()
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set_property(TARGET LibLZMA::LibLZMA APPEND PROPERTY
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IMPORTED_CONFIGURATIONS RELEASE)
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set_target_properties(LibLZMA::LibLZMA PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "C"
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IMPORTED_LOCATION_RELEASE "${LIBLZMA_LIBRARY_RELEASE}")
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if(EXISTS "${LIBLZMA_LIBRARY}")
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set_target_properties(LibLZMA::LibLZMA PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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IMPORTED_LOCATION "${LIBLZMA_LIBRARY}")
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endif()
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endif()
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if(LIBLZMA_LIBRARY_DEBUG)
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# Backfill debug variant to versions of cmake before 3.16
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set_property(TARGET LibLZMA::LibLZMA APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
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set_target_properties(LibLZMA::LibLZMA PROPERTIES IMPORTED_LOCATION_DEBUG "${LIBLZMA_LIBRARY_DEBUG}")
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endif()
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endif()
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if(LIBLZMA_LIBRARIES AND NOT "Threads::Threads" IN_LIST LIBLZMA_LIBRARIES)
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set(THREADS_PREFER_PTHREAD_FLAG TRUE)
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find_package(Threads)
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list(APPEND LIBLZMA_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
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if(TARGET LibLZMA::LibLZMA)
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set_property(TARGET LibLZMA::LibLZMA APPEND PROPERTY INTERFACE_LINK_LIBRARIES Threads::Threads)
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endif()
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endif()
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unset(z_vcpkg_liblzma_fixup_needed)
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cmake_policy(POP)
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