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# This file is part of Mixxx, Digital DJ'ing software.
# Copyright (C) 2001-2023 Mixxx Development Team
# Distributed under the GNU General Public Licence (GPL) version 2 or any later
# later version. See the LICENSE file for details.
#[=======================================================================[.rst:
FindTagLib
-----------
Finds the TagLib library.
Imported Targets
^^^^^^^^^^^^^^^^
This module provides the following imported targets, if found:
``TagLib::TagLib``
The TagLib library
Result Variables
^^^^^^^^^^^^^^^^
This will define the following variables:
``TagLib_FOUND``
True if the system has the TagLib library.
``TagLib_INCLUDE_DIRS``
Include directories needed to use TagLib.
``TagLib_LIBRARIES``
Libraries needed to link to TagLib.
``TagLib_DEFINITIONS``
Compile definitions needed to use TagLib.
Cache Variables
^^^^^^^^^^^^^^^
The following cache variables may also be set:
``TagLib_INCLUDE_DIR``
The directory containing ``ebur128.h``.
``TagLib_LIBRARY``
The path to the TagLib library.
#]=======================================================================]
include(IsStaticLibrary)
find_package(PkgConfig QUIET)
if(PkgConfig_FOUND)
pkg_check_modules(PC_TagLib QUIET taglib)
endif()
find_path(TagLib_INCLUDE_DIR
NAMES tag.h
PATHS ${PC_TagLib_INCLUDE_DIRS}
PATH_SUFFIXES taglib
DOC "TagLib include directory")
mark_as_advanced(TagLib_INCLUDE_DIR)
find_library(TagLib_LIBRARY
NAMES tag
PATHS ${PC_TagLib_LIBRARY_DIRS}
DOC "TagLib library"
)
mark_as_advanced(TagLib_LIBRARY)
# Version detection
if(PC_TagLib_VERSION)
set(TagLib_VERSION "${PC_TagLib_VERSION}")
else()
if (EXISTS "${TagLib_INCLUDE_DIR}/taglib.h")
file(READ "${TagLib_INCLUDE_DIR}/taglib.h" TagLib_H_CONTENTS)
string(REGEX MATCH "#define TAGLIB_MAJOR_VERSION ([0-9]+)" _dummy "${TagLib_H_CONTENTS}")
set(TagLib_VERSION_MAJOR "${CMAKE_MATCH_1}")
string(REGEX MATCH "#define TAGLIB_MINOR_VERSION ([0-9]+)" _dummy "${TagLib_H_CONTENTS}")
set(TagLib_VERSION_MINOR "${CMAKE_MATCH_1}")
string(REGEX MATCH "#define TAGLIB_PATCH_VERSION ([0-9]+)" _dummy "${TagLib_H_CONTENTS}")
set(TagLib_VERSION_PATCH "${CMAKE_MATCH_1}")
# Simply using if(NOT) does not work because 0 is a valid value, so compare to empty string.
if (NOT TagLib_VERSION_MAJOR STREQUAL "" AND
NOT TagLib_VERSION_MINOR STREQUAL "" AND
NOT TagLib_VERSION_PATCH STREQUAL "")
set(TagLib_VERSION "${TagLib_VERSION_MAJOR}.${TagLib_VERSION_MINOR}.${TagLib_VERSION_PATCH}")
endif()
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(
TagLib
REQUIRED_VARS TagLib_LIBRARY TagLib_INCLUDE_DIR
VERSION_VAR TagLib_VERSION
)
if(TagLib_FOUND)
set(TagLib_LIBRARIES "${TagLib_LIBRARY}")
set(TagLib_INCLUDE_DIRS "${TagLib_INCLUDE_DIR}")
set(TagLib_DEFINITIONS ${PC_TagLib_CFLAGS_OTHER})
if(NOT TARGET TagLib::TagLib)
add_library(TagLib::TagLib UNKNOWN IMPORTED)
set_target_properties(TagLib::TagLib
PROPERTIES
IMPORTED_LOCATION "${TagLib_LIBRARY}"
INTERFACE_COMPILE_OPTIONS "${PC_TagLib_CFLAGS_OTHER}"
INTERFACE_INCLUDE_DIRECTORIES "${TagLib_INCLUDE_DIR}"
)
is_static_library(Taglib_IS_STATIC TagLib::TagLib)
if(Taglib_IS_STATIC)
if(WIN32)
set_property(TARGET TagLib::TagLib APPEND PROPERTY INTERFACE_COMPILE_DEFINITIONS
TAGLIB_STATIC
)
endif()
endif()
endif()
endif()
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