2019-07-16 00:52:14 +08:00
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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2019-08-16 02:46:52 +08:00
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#[[=======================================================================.rst:
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2020-06-24 00:51:58 +08:00
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# FindFontconfig
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# --------------
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#
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# Find Fontconfig headers and library.
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#
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# Imported Targets
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# ^^^^^^^^^^^^^^^^
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#
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# ``Fontconfig::Fontconfig``
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# The Fontconfig library, if found.
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#
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# Result Variables
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# ^^^^^^^^^^^^^^^^
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#
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# This will define the following variables in your project:
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#
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# ``FONTCONFIG_FOUND``
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# true if (the requested version of) Fontconfig is available.
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# ``FONTCONFIG_VERSION``
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# the version of Fontconfig.
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# ``FONTCONFIG_LIBRARIES``
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# the libraries to link against to use Fontconfig.
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# ``FONTCONFIG_INCLUDE_DIRS``
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# where to find the Fontconfig headers.
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# ``FONTCONFIG_COMPILE_OPTIONS``
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# this should be passed to target_compile_options(), if the
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# target is not used for linking
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#=======================================================================]]
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2019-07-16 00:52:14 +08:00
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# use pkg-config to get the directories and then use these values
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# in the FIND_PATH() and FIND_LIBRARY() calls
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find_package(PkgConfig QUIET)
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pkg_check_modules(PKG_FONTCONFIG QUIET fontconfig)
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set(FONTCONFIG_COMPILE_OPTIONS ${PKG_FONTCONFIG_CFLAGS_OTHER})
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set(FONTCONFIG_VERSION ${PKG_FONTCONFIG_VERSION})
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find_path( FONTCONFIG_INCLUDE_DIR
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NAMES
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fontconfig/fontconfig.h
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HINTS
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${PKG_FONTCONFIG_INCLUDE_DIRS}
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/usr/X11/include
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)
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find_library( FONTCONFIG_LIBRARY
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NAMES
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fontconfig
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PATHS
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${PKG_FONTCONFIG_LIBRARY_DIRS}
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)
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if (FONTCONFIG_INCLUDE_DIR AND NOT FONTCONFIG_VERSION)
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file(STRINGS ${FONTCONFIG_INCLUDE_DIR}/fontconfig/fontconfig.h _contents REGEX "^#define[ \t]+FC_[A-Z]+[ \t]+[0-9]+$")
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unset(FONTCONFIG_VERSION)
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foreach(VPART MAJOR MINOR REVISION)
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foreach(VLINE ${_contents})
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if(VLINE MATCHES "^#define[\t ]+FC_${VPART}[\t ]+([0-9]+)$")
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set(FONTCONFIG_VERSION_PART "${CMAKE_MATCH_1}")
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if(FONTCONFIG_VERSION)
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string(APPEND FONTCONFIG_VERSION ".${FONTCONFIG_VERSION_PART}")
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else()
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set(FONTCONFIG_VERSION "${FONTCONFIG_VERSION_PART}")
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endif()
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endif()
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endforeach()
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endforeach()
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endif ()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(Fontconfig
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FOUND_VAR
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FONTCONFIG_FOUND
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REQUIRED_VARS
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FONTCONFIG_LIBRARY
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FONTCONFIG_INCLUDE_DIR
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VERSION_VAR
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FONTCONFIG_VERSION
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)
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if(FONTCONFIG_FOUND AND NOT TARGET Fontconfig::Fontconfig)
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add_library(Fontconfig::Fontconfig UNKNOWN IMPORTED)
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set_target_properties(Fontconfig::Fontconfig PROPERTIES
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IMPORTED_LOCATION "${FONTCONFIG_LIBRARY}"
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INTERFACE_COMPILE_OPTIONS "${FONTCONFIG_COMPILE_OPTIONS}"
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INTERFACE_INCLUDE_DIRECTORIES "${FONTCONFIG_INCLUDE_DIR}"
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)
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endif()
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mark_as_advanced(FONTCONFIG_LIBRARY FONTCONFIG_INCLUDE_DIR)
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if(FONTCONFIG_FOUND)
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set(FONTCONFIG_LIBRARIES ${FONTCONFIG_LIBRARY})
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set(FONTCONFIG_INCLUDE_DIRS ${FONTCONFIG_INCLUDE_DIR})
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endif()
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