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https://github.com/cookiengineer/audacity
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d54bcb0822
Remove linking option containing erroneous reference to `z.lib`. Add `set` commands to provide documented `id3tag::id3tag` vars. Signed-off-by: Emily Mabrey <emabrey@tenacityaudio.org> Signed-off-by: Be <be@mixxx.org> Co-authored-by: Emily Mabrey <emabrey@tenacityaudio.org> Co-authored-by: Be <be@mixxx.org>
92 lines
2.2 KiB
CMake
92 lines
2.2 KiB
CMake
# Copyright (C) 2001-2020 Mixxx Development Team
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# Distributed under the GNU General Public Licence (GPL) version 2 or any later
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# later version. See the LICENSE.txt file for details.
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#[=======================================================================[.rst:
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Findid3tag
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----------
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Finds the id3tag library.
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Imported Targets
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^^^^^^^^^^^^^^^^
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This module provides the following imported targets, if found:
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``id3tag::id3tag``
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The id3tag library
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Result Variables
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^^^^^^^^^^^^^^^^
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This will define the following variables:
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``id3tag_FOUND``
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True if the system has the id3tag library.
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``id3tag_INCLUDE_DIRS``
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Include directories needed to use id3tag.
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``id3tag_LIBRARIES``
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Libraries needed to link to id3tag.
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``id3tag_DEFINITIONS``
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Compile definitions needed to use id3tag.
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Cache Variables
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^^^^^^^^^^^^^^^
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The following cache variables may also be set:
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``id3tag_INCLUDE_DIR``
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The directory containing ``id3tag.h``.
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``id3tag_LIBRARY``
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The path to the id3tag library.
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#]=======================================================================]
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find_package(PkgConfig QUIET)
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if(PkgConfig_FOUND)
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pkg_check_modules(id3tag id3tag)
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else()
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find_path(id3tag_INCLUDEDIR
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NAMES id3tag.h
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DOC "id3tag include directory")
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find_library(id3tag_LINK_LIBRARIES
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NAMES id3tag
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DOC "id3tag library"
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)
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if(NOT ZLIB_FOUND)
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if(VCPKG)
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set (ZLIB_ROOT ${env}/bin)
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endif()
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find_library(ZLIB REQUIRED)
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endif()
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(
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id3tag
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DEFAULT_MSG
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id3tag_LINK_LIBRARIES
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id3tag_INCLUDEDIR
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)
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# Remove default reference to link "z" since we already found it
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if(ZLIB_FOUND AND NOT UNIX)
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list(FILTER id3tag_LINK_LIBRARIES EXCLUDE REGEX "[z]")
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list(APPEND id3tag_LINK_LIBRARIES ZLIB::ZLIB)
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endif()
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if(id3tag_FOUND)
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set(id3tag_LIBRARIES "${id3tag_LIBRARY}")
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set(id3tag_INCLUDE_DIRS "${id3tag_INCLUDE_DIR}")
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set(id3tag_DEFINITIONS "${PC_id3tag_CFLAGS_OTHER}")
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if(NOT TARGET id3tag::id3tag)
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add_library(id3tag::id3tag INTERFACE IMPORTED)
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target_link_libraries(id3tag::id3tag INTERFACE ${id3tag_LINK_LIBRARIES})
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target_include_directories(id3tag::id3tag INTERFACE "${id3tag_INCLUDEDIR}")
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endif()
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endif()
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