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-rw-r--r--cmake/FindFontconfig.cmake101
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diff --git a/cmake/FindFontconfig.cmake b/cmake/FindFontconfig.cmake
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+# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#[=======================================================================[.rst:
+FindFontconfig
+--------------
+
+Find Fontconfig headers and library.
+
+Imported Targets
+^^^^^^^^^^^^^^^^
+
+``Fontconfig::Fontconfig``
+ The Fontconfig library, if found.
+
+Result Variables
+^^^^^^^^^^^^^^^^
+
+This will define the following variables in your project:
+
+``Fontconfig_FOUND``
+ true if (the requested version of) Fontconfig is available.
+``Fontconfig_VERSION``
+ the version of Fontconfig.
+``Fontconfig_LIBRARIES``
+ the libraries to link against to use Fontconfig.
+``Fontconfig_INCLUDE_DIRS``
+ where to find the Fontconfig headers.
+``Fontconfig_COMPILE_OPTIONS``
+ this should be passed to target_compile_options(), if the
+ target is not used for linking
+
+#]=======================================================================]
+
+
+# use pkg-config to get the directories and then use these values
+# in the FIND_PATH() and FIND_LIBRARY() calls
+find_package(PkgConfig QUIET)
+pkg_check_modules(PKG_FONTCONFIG QUIET fontconfig)
+set(Fontconfig_COMPILE_OPTIONS ${PKG_FONTCONFIG_CFLAGS_OTHER})
+set(Fontconfig_VERSION ${PKG_FONTCONFIG_VERSION})
+
+find_path( Fontconfig_INCLUDE_DIR
+ NAMES
+ fontconfig/fontconfig.h
+ HINTS
+ ${PKG_FONTCONFIG_INCLUDE_DIRS}
+ /usr/X11/include
+)
+
+find_library( Fontconfig_LIBRARY
+ NAMES
+ fontconfig
+ PATHS
+ ${PKG_FONTCONFIG_LIBRARY_DIRS}
+)
+
+if (Fontconfig_INCLUDE_DIR AND NOT Fontconfig_VERSION)
+ file(STRINGS ${Fontconfig_INCLUDE_DIR}/fontconfig/fontconfig.h _contents REGEX "^#define[ \t]+FC_[A-Z]+[ \t]+[0-9]+$")
+ unset(Fontconfig_VERSION)
+ foreach(VPART MAJOR MINOR REVISION)
+ foreach(VLINE ${_contents})
+ if(VLINE MATCHES "^#define[\t ]+FC_${VPART}[\t ]+([0-9]+)$")
+ set(Fontconfig_VERSION_PART "${CMAKE_MATCH_1}")
+ if(Fontconfig_VERSION)
+ string(APPEND Fontconfig_VERSION ".${Fontconfig_VERSION_PART}")
+ else()
+ set(Fontconfig_VERSION "${Fontconfig_VERSION_PART}")
+ endif()
+ endif()
+ endforeach()
+ endforeach()
+endif ()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Fontconfig
+ FOUND_VAR
+ Fontconfig_FOUND
+ REQUIRED_VARS
+ Fontconfig_LIBRARY
+ Fontconfig_INCLUDE_DIR
+ VERSION_VAR
+ Fontconfig_VERSION
+)
+
+
+if(Fontconfig_FOUND AND NOT TARGET Fontconfig::Fontconfig)
+ add_library(Fontconfig::Fontconfig UNKNOWN IMPORTED)
+ set_target_properties(Fontconfig::Fontconfig PROPERTIES
+ IMPORTED_LOCATION "${Fontconfig_LIBRARY}"
+ INTERFACE_COMPILE_OPTIONS "${Fontconfig_COMPILE_OPTIONS}"
+ INTERFACE_INCLUDE_DIRECTORIES "${Fontconfig_INCLUDE_DIR}"
+ )
+endif()
+
+mark_as_advanced(Fontconfig_LIBRARY Fontconfig_INCLUDE_DIR)
+
+if(Fontconfig_FOUND)
+ set(Fontconfig_LIBRARIES ${Fontconfig_LIBRARY})
+ set(Fontconfig_INCLUDE_DIRS ${Fontconfig_INCLUDE_DIR})
+endif()