https://github.com/Kitware/CMake
Revision d9a6e0ffc82fbc460289c6b0808eff27ac316235 authored by Craig Scott on 10 September 2022, 08:22:18 UTC, committed by Craig Scott on 10 September 2022, 08:23:21 UTC
The unset() command was using __cmake_contentNameLower before that
variable was restored from the __cmake_fcCurrentVarsStack. That means
if there had been a nested call to FetchContent_MakeAvailable(), the wrong
variable name would have been cleared (the nested name instead of the
one from the current call). That would have left the variable set upon return,
blocking the dependency provider from seeing any further calls to
FetchContent_MakeAvailable() in the current variable scope or below for the
current dependency.
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Tip revision: d9a6e0ffc82fbc460289c6b0808eff27ac316235 authored by Craig Scott on 10 September 2022, 08:22:18 UTC
FetchContent: Fix unsetting wrong variable name after provider returns
Tip revision: d9a6e0f
FindGTK2.cmake
# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.

#[=======================================================================[.rst:
FindGTK2
--------

Find the GTK2 widget libraries and several of its other optional components
like ``gtkmm``, ``glade``, and ``glademm``.

Specify one or more of the following components as you call this find
module.  See example below.

* ``gtk``
* ``gtkmm``
* ``glade``
* ``glademm``

Imported Targets
^^^^^^^^^^^^^^^^

This module defines the following :prop_tgt:`IMPORTED` targets (subject to
component selection):

``GTK2::atk``, ``GTK2::atkmm``, ``GTK2::cairo``, ``GTK2::cairomm``,
``GTK2::gdk_pixbuf``, ``GTK2::gdk``, ``GTK2::gdkmm``, ``GTK2::gio``,
``GTK2::giomm``, ``GTK2::glade``, ``GTK2::glademm``, ``GTK2::glib``,
``GTK2::glibmm``, ``GTK2::gmodule``, ``GTK2::gobject``, ``GTK2::gthread``,
``GTK2::gtk``, ``GTK2::gtkmm``, ``GTK2::harfbuzz``, ``GTK2::pango``,
``GTK2::pangocairo``, ``GTK2::pangoft2``, ``GTK2::pangomm``,
``GTK2::pangoxft``, ``GTK2::sigc``.

.. versionadded:: 3.16.7
  Added the ``GTK2::harfbuzz`` target.

Result Variables
^^^^^^^^^^^^^^^^

The following variables will be defined for your use

``GTK2_FOUND``
  Were all of your specified components found?
``GTK2_INCLUDE_DIRS``
  All include directories
``GTK2_LIBRARIES``
  All libraries
``GTK2_TARGETS``
  .. versionadded:: 3.5
    All imported targets
``GTK2_DEFINITIONS``
  Additional compiler flags
``GTK2_VERSION``
  The version of GTK2 found (x.y.z)
``GTK2_MAJOR_VERSION``
  The major version of GTK2
``GTK2_MINOR_VERSION``
  The minor version of GTK2
``GTK2_PATCH_VERSION``
  The patch version of GTK2

.. versionadded:: 3.5
  When ``GTK2_USE_IMPORTED_TARGETS`` is set to ``TRUE``, ``GTK2_LIBRARIES``
  will list imported targets instead of library paths.

Input Variables
^^^^^^^^^^^^^^^

Optional variables you can define prior to calling this module:

``GTK2_DEBUG``
  Enables verbose debugging of the module
``GTK2_ADDITIONAL_SUFFIXES``
  Allows defining additional directories to search for include files

Example Usage
^^^^^^^^^^^^^

Call :command:`find_package` once.  Here are some examples to pick from:

Require GTK 2.6 or later:

.. code-block:: cmake

  find_package(GTK2 2.6 REQUIRED gtk)

Require GTK 2.10 or later and Glade:

.. code-block:: cmake

  find_package(GTK2 2.10 REQUIRED gtk glade)

Search for GTK/GTKMM 2.8 or later:

.. code-block:: cmake

  find_package(GTK2 2.8 COMPONENTS gtk gtkmm)

Use the results:

.. code-block:: cmake

  if(GTK2_FOUND)
    include_directories(${GTK2_INCLUDE_DIRS})
    add_executable(mygui mygui.cc)
    target_link_libraries(mygui ${GTK2_LIBRARIES})
  endif()
#]=======================================================================]

# Version 1.6 (CMake 3.0)
#   * Create targets for each library
#   * Do not link libfreetype
# Version 1.5 (CMake 2.8.12)
#   * 14236: Detect gthread library
#            Detect pangocairo on windows
#            Detect pangocairo with gtk module instead of with gtkmm
#   * 14259: Use vc100 libraries with VS 11
#   * 14260: Export a GTK2_DEFINITIONS variable to set /vd2 when appropriate
#            (i.e. MSVC)
#   * Use the optimized/debug syntax for _LIBRARY and _LIBRARIES variables when
#     appropriate. A new set of _RELEASE variables was also added.
#   * Remove GTK2_SKIP_MARK_AS_ADVANCED option, as now the variables are
#     marked as advanced by SelectLibraryConfigurations
#   * Detect gmodule, pangoft2 and pangoxft libraries
# Version 1.4 (10/4/2012) (CMake 2.8.10)
#   * 12596: Missing paths for FindGTK2 on NetBSD
#   * 12049: Fixed detection of GTK include files in the lib folder on
#            multiarch systems.
# Version 1.3 (11/9/2010) (CMake 2.8.4)
#   * 11429: Add support for detecting GTK2 built with Visual Studio 10.
#            Thanks to Vincent Levesque for the patch.
# Version 1.2 (8/30/2010) (CMake 2.8.3)
#   * Merge patch for detecting gdk-pixbuf library (split off
#     from core GTK in 2.21).  Thanks to Vincent Untz for the patch
#     and Ricardo Cruz for the heads up.
# Version 1.1 (8/19/2010) (CMake 2.8.3)
#   * Add support for detecting GTK2 under macports (thanks to Gary Kramlich)
# Version 1.0 (8/12/2010) (CMake 2.8.3)
#   * Add support for detecting new pangommconfig.h header file
#     (Thanks to Sune Vuorela & the Debian Project for the patch)
#   * Add support for detecting fontconfig.h header
#   * Call find_package(Freetype) since it's required
#   * Add support for allowing users to add additional library directories
#     via the GTK2_ADDITIONAL_SUFFIXES variable (kind of a future-kludge in
#     case the GTK developers change versions on any of the directories in the
#     future).
# Version 0.8 (1/4/2010)
#   * Get module working under MacOSX fink by adding /sw/include, /sw/lib
#     to PATHS and the gobject library
# Version 0.7 (3/22/09)
#   * Checked into CMake CVS
#   * Added versioning support
#   * Module now defaults to searching for GTK if COMPONENTS not specified.
#   * Added HKCU prior to HKLM registry key and GTKMM specific environment
#      variable as per mailing list discussion.
#   * Added lib64 to include search path and a few other search paths where GTK
#      may be installed on Unix systems.
#   * Switched to lowercase CMake commands
#   * Prefaced internal variables with _GTK2 to prevent collision
#   * Changed internal macros to functions
#   * Enhanced documentation
# Version 0.6 (1/8/08)
#   Added GTK2_SKIP_MARK_AS_ADVANCED option
# Version 0.5 (12/19/08)
#   Second release to cmake mailing list

#=============================================================
# _GTK2_GET_VERSION
# Internal function to parse the version number in gtkversion.h
#   _OUT_major = Major version number
#   _OUT_minor = Minor version number
#   _OUT_micro = Micro version number
#   _gtkversion_hdr = Header file to parse
#=============================================================

include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)

function(_GTK2_GET_VERSION _OUT_major _OUT_minor _OUT_micro _gtkversion_hdr)
    file(STRINGS ${_gtkversion_hdr} _contents REGEX "#define GTK_M[A-Z]+_VERSION[ \t]+")
    if(_contents)
        string(REGEX REPLACE ".*#define GTK_MAJOR_VERSION[ \t]+\\(([0-9]+)\\).*" "\\1" ${_OUT_major} "${_contents}")
        string(REGEX REPLACE ".*#define GTK_MINOR_VERSION[ \t]+\\(([0-9]+)\\).*" "\\1" ${_OUT_minor} "${_contents}")
        string(REGEX REPLACE ".*#define GTK_MICRO_VERSION[ \t]+\\(([0-9]+)\\).*" "\\1" ${_OUT_micro} "${_contents}")

        if(NOT ${_OUT_major} MATCHES "[0-9]+")
            message(FATAL_ERROR "Version parsing failed for GTK2_MAJOR_VERSION!")
        endif()
        if(NOT ${_OUT_minor} MATCHES "[0-9]+")
            message(FATAL_ERROR "Version parsing failed for GTK2_MINOR_VERSION!")
        endif()
        if(NOT ${_OUT_micro} MATCHES "[0-9]+")
            message(FATAL_ERROR "Version parsing failed for GTK2_MICRO_VERSION!")
        endif()

        set(${_OUT_major} ${${_OUT_major}} PARENT_SCOPE)
        set(${_OUT_minor} ${${_OUT_minor}} PARENT_SCOPE)
        set(${_OUT_micro} ${${_OUT_micro}} PARENT_SCOPE)
    else()
        message(FATAL_ERROR "Include file ${_gtkversion_hdr} does not exist")
    endif()
endfunction()


#=============================================================
# _GTK2_SIGCXX_GET_VERSION
# Internal function to parse the version number in
# sigc++config.h
#   _OUT_major = Major version number
#   _OUT_minor = Minor version number
#   _OUT_micro = Micro version number
#   _sigcxxversion_hdr = Header file to parse
#=============================================================

function(_GTK2_SIGCXX_GET_VERSION _OUT_major _OUT_minor _OUT_micro _sigcxxversion_hdr)
    file(STRINGS ${_sigcxxversion_hdr} _contents REGEX "#define SIGCXX_M[A-Z]+_VERSION[ \t]+")
    if(_contents)
        string(REGEX REPLACE ".*#define SIGCXX_MAJOR_VERSION[ \t]+([0-9]+).*" "\\1" ${_OUT_major} "${_contents}")
        string(REGEX REPLACE ".*#define SIGCXX_MINOR_VERSION[ \t]+([0-9]+).*" "\\1" ${_OUT_minor} "${_contents}")
        string(REGEX REPLACE ".*#define SIGCXX_MICRO_VERSION[ \t]+([0-9]+).*" "\\1" ${_OUT_micro} "${_contents}")

        if(NOT ${_OUT_major} MATCHES "[0-9]+")
            message(FATAL_ERROR "Version parsing failed for SIGCXX_MAJOR_VERSION!")
        endif()
        if(NOT ${_OUT_minor} MATCHES "[0-9]+")
            message(FATAL_ERROR "Version parsing failed for SIGCXX_MINOR_VERSION!")
        endif()
        if(NOT ${_OUT_micro} MATCHES "[0-9]+")
            message(FATAL_ERROR "Version parsing failed for SIGCXX_MICRO_VERSION!")
        endif()

        set(${_OUT_major} ${${_OUT_major}} PARENT_SCOPE)
        set(${_OUT_minor} ${${_OUT_minor}} PARENT_SCOPE)
        set(${_OUT_micro} ${${_OUT_micro}} PARENT_SCOPE)
    else()
        # The header does not have the version macros; assume it is ``0.0.0``.
        set(${_OUT_major} 0)
        set(${_OUT_minor} 0)
        set(${_OUT_micro} 0)
    endif()
endfunction()


#=============================================================
# _GTK2_FIND_INCLUDE_DIR
# Internal function to find the GTK include directories
#   _var = variable to set (_INCLUDE_DIR is appended)
#   _hdr = header file to look for
#=============================================================
function(_GTK2_FIND_INCLUDE_DIR _var _hdr)

    if(GTK2_DEBUG)
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}] "
                       "_GTK2_FIND_INCLUDE_DIR( ${_var} ${_hdr} )")
    endif()

    set(_gtk_packages
        # If these ever change, things will break.
        ${GTK2_ADDITIONAL_SUFFIXES}
        glibmm-2.4
        glib-2.0
        atk-1.0
        atkmm-1.6
        cairo
        cairomm-1.0
        gdk-pixbuf-2.0
        gdkmm-2.4
        giomm-2.4
        gtk-2.0
        gtkmm-2.4
        libglade-2.0
        libglademm-2.4
        harfbuzz
        pango-1.0
        pangomm-1.4
        sigc++-2.0
    )

    #
    # NOTE: The following suffixes cause searching for header files in both of
    # these directories:
    #         /usr/include/<pkg>
    #         /usr/lib/<pkg>/include
    #

    set(_suffixes)
    foreach(_d ${_gtk_packages})
        list(APPEND _suffixes ${_d})
        list(APPEND _suffixes ${_d}/include) # for /usr/lib/gtk-2.0/include
    endforeach()

    if(GTK2_DEBUG)
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}]     "
                       "include suffixes = ${_suffixes}")
    endif()

    if(CMAKE_LIBRARY_ARCHITECTURE)
      set(_gtk2_arch_dir /usr/lib/${CMAKE_LIBRARY_ARCHITECTURE})
      if(GTK2_DEBUG)
        message(STATUS "Adding ${_gtk2_arch_dir} to search path for multiarch support")
      endif()
    endif()
    find_path(GTK2_${_var}_INCLUDE_DIR ${_hdr}
        PATHS
            ${_gtk2_arch_dir}
            /usr/local/libx32
            /usr/local/lib64
            /usr/local/lib
            /usr/libx32
            /usr/lib64
            /usr/lib
            /opt/gnome/include
            /opt/gnome/lib
            /opt/openwin/include
            /usr/openwin/lib
            /sw/lib
            /opt/local/lib
            /usr/pkg/lib
            /usr/pkg/include/glib
            $ENV{GTKMM_BASEPATH}/include
            $ENV{GTKMM_BASEPATH}/lib
            [HKEY_CURRENT_USER\\SOFTWARE\\gtkmm\\2.4;Path]/include
            [HKEY_CURRENT_USER\\SOFTWARE\\gtkmm\\2.4;Path]/lib
            [HKEY_LOCAL_MACHINE\\SOFTWARE\\gtkmm\\2.4;Path]/include
            [HKEY_LOCAL_MACHINE\\SOFTWARE\\gtkmm\\2.4;Path]/lib
        PATH_SUFFIXES
            ${_suffixes}
    )
    mark_as_advanced(GTK2_${_var}_INCLUDE_DIR)

    if(GTK2_${_var}_INCLUDE_DIR)
        set(GTK2_INCLUDE_DIRS ${GTK2_INCLUDE_DIRS} ${GTK2_${_var}_INCLUDE_DIR} PARENT_SCOPE)
    endif()

endfunction()

#=============================================================
# _GTK2_FIND_LIBRARY
# Internal function to find libraries packaged with GTK2
#   _var = library variable to create (_LIBRARY is appended)
#=============================================================
function(_GTK2_FIND_LIBRARY _var _lib _expand_vc _append_version)

    if(GTK2_DEBUG)
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}] "
                       "_GTK2_FIND_LIBRARY( ${_var} ${_lib} ${_expand_vc} ${_append_version} )")
    endif()

    # Not GTK versions per se but the versions encoded into Windows
    # import libraries (GtkMM 2.14.1 has a gtkmm-vc80-2_4.lib for example)
    # Also the MSVC libraries use _ for . (this is handled below)
    set(_versions 2.20 2.18 2.16 2.14 2.12
                  2.10  2.8  2.6  2.4  2.2 2.0
                  1.20 1.18 1.16 1.14 1.12
                  1.10  1.8  1.6  1.4  1.2 1.0)

    set(_library)
    set(_library_d)

    set(_library ${_lib})

    if(_expand_vc AND MSVC)
        # Add vc80/vc90/vc100 midfixes
        if(MSVC_TOOLSET_VERSION LESS 110)
            set(_library   ${_library}-vc${MSVC_TOOLSET_VERSION})
        else()
            # Up to gtkmm-win 2.22.0-2 there are no vc110 libraries but vc100 can be used
            set(_library ${_library}-vc100)
        endif()
        set(_library_d ${_library}-d)
    endif()

    if(GTK2_DEBUG)
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}]     "
                       "After midfix addition = ${_library} and ${_library_d}")
    endif()

    set(_lib_list)
    set(_libd_list)
    if(_append_version)
        foreach(_ver ${_versions})
            list(APPEND _lib_list  "${_library}-${_ver}")
            list(APPEND _libd_list "${_library_d}-${_ver}")
        endforeach()
    else()
        set(_lib_list ${_library})
        set(_libd_list ${_library_d})
    endif()

    if(GTK2_DEBUG)
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}]     "
                       "library list = ${_lib_list} and library debug list = ${_libd_list}")
    endif()

    # For some silly reason the MSVC libraries use _ instead of .
    # in the version fields
    if(_expand_vc AND MSVC)
        set(_no_dots_lib_list)
        set(_no_dots_libd_list)
        foreach(_l ${_lib_list})
            string(REPLACE "." "_" _no_dots_library ${_l})
            list(APPEND _no_dots_lib_list ${_no_dots_library})
        endforeach()
        # And for debug
        set(_no_dots_libsd_list)
        foreach(_l ${_libd_list})
            string(REPLACE "." "_" _no_dots_libraryd ${_l})
            list(APPEND _no_dots_libd_list ${_no_dots_libraryd})
        endforeach()

        # Copy list back to original names
        set(_lib_list ${_no_dots_lib_list})
        set(_libd_list ${_no_dots_libd_list})
    endif()

    if(GTK2_DEBUG)
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}]     "
                       "While searching for GTK2_${_var}_LIBRARY, our proposed library list is ${_lib_list}")
    endif()

    find_library(GTK2_${_var}_LIBRARY_RELEASE
        NAMES ${_lib_list}
        PATHS
            /opt/gnome/lib
            /usr/openwin/lib
            $ENV{GTKMM_BASEPATH}/lib
            [HKEY_CURRENT_USER\\SOFTWARE\\gtkmm\\2.4;Path]/lib
            [HKEY_LOCAL_MACHINE\\SOFTWARE\\gtkmm\\2.4;Path]/lib
        )

    if(_expand_vc AND MSVC)
        if(GTK2_DEBUG)
            message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}]     "
                           "While searching for GTK2_${_var}_LIBRARY_DEBUG our proposed library list is ${_libd_list}")
        endif()

        find_library(GTK2_${_var}_LIBRARY_DEBUG
            NAMES ${_libd_list}
            PATHS
            $ENV{GTKMM_BASEPATH}/lib
            [HKEY_CURRENT_USER\\SOFTWARE\\gtkmm\\2.4;Path]/lib
            [HKEY_LOCAL_MACHINE\\SOFTWARE\\gtkmm\\2.4;Path]/lib
        )
    endif()

    select_library_configurations(GTK2_${_var})

    set(GTK2_${_var}_LIBRARY ${GTK2_${_var}_LIBRARY} PARENT_SCOPE)
    set(GTK2_${_var}_FOUND ${GTK2_${_var}_FOUND} PARENT_SCOPE)

    if(GTK2_${_var}_FOUND)
        set(GTK2_LIBRARIES ${GTK2_LIBRARIES} ${GTK2_${_var}_LIBRARY})
        set(GTK2_LIBRARIES ${GTK2_LIBRARIES} PARENT_SCOPE)
    endif()

    if(GTK2_DEBUG)
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}]     "
                       "GTK2_${_var}_LIBRARY_RELEASE = \"${GTK2_${_var}_LIBRARY_RELEASE}\"")
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}]     "
                       "GTK2_${_var}_LIBRARY_DEBUG   = \"${GTK2_${_var}_LIBRARY_DEBUG}\"")
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}]     "
                       "GTK2_${_var}_LIBRARY         = \"${GTK2_${_var}_LIBRARY}\"")
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}]     "
                       "GTK2_${_var}_FOUND           = \"${GTK2_${_var}_FOUND}\"")
    endif()

endfunction()


function(_GTK2_ADD_TARGET_DEPENDS_INTERNAL _var _property)
    if(GTK2_DEBUG)
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}] "
                       "_GTK2_ADD_TARGET_DEPENDS_INTERNAL( ${_var} ${_property} )")
    endif()

    string(TOLOWER "${_var}" _basename)

    if (TARGET GTK2::${_basename})
        foreach(_depend ${ARGN})
            set(_valid_depends)
            if (TARGET GTK2::${_depend})
                list(APPEND _valid_depends GTK2::${_depend})
            endif()
            if (_valid_depends)
                set_property(TARGET GTK2::${_basename} APPEND PROPERTY ${_property} "${_valid_depends}")
            endif()
            set(_valid_depends)
        endforeach()
    endif()
endfunction()

function(_GTK2_ADD_TARGET_DEPENDS _var)
    if(GTK2_DEBUG)
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}] "
                       "_GTK2_ADD_TARGET_DEPENDS( ${_var} )")
    endif()

    string(TOLOWER "${_var}" _basename)

    if(TARGET GTK2::${_basename})
        get_target_property(_configs GTK2::${_basename} IMPORTED_CONFIGURATIONS)
        _GTK2_ADD_TARGET_DEPENDS_INTERNAL(${_var} INTERFACE_LINK_LIBRARIES ${ARGN})
        foreach(_config ${_configs})
            _GTK2_ADD_TARGET_DEPENDS_INTERNAL(${_var} IMPORTED_LINK_INTERFACE_LIBRARIES_${_config} ${ARGN})
        endforeach()
    endif()
endfunction()

function(_GTK2_ADD_TARGET_INCLUDE_DIRS _var)
    if(GTK2_DEBUG)
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}] "
                       "_GTK2_ADD_TARGET_INCLUDE_DIRS( ${_var} )")
    endif()

    string(TOLOWER "${_var}" _basename)

    if(TARGET GTK2::${_basename})
        foreach(_include ${ARGN})
            set_property(TARGET GTK2::${_basename} APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${_include}")
        endforeach()
    endif()
endfunction()

#=============================================================
# _GTK2_ADD_TARGET
# Internal function to create targets for GTK2
#   _var = target to create
#=============================================================
function(_GTK2_ADD_TARGET _var)
    if(GTK2_DEBUG)
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}] "
                       "_GTK2_ADD_TARGET( ${_var} )")
    endif()

    string(TOLOWER "${_var}" _basename)

    cmake_parse_arguments(_${_var} "" "" "GTK2_DEPENDS;GTK2_OPTIONAL_DEPENDS;OPTIONAL_INCLUDES" ${ARGN})

    if(GTK2_${_var}_FOUND)
        if(NOT TARGET GTK2::${_basename})
            # Do not create the target if dependencies are missing
            foreach(_dep ${_${_var}_GTK2_DEPENDS})
                if(NOT TARGET GTK2::${_dep})
                    return()
                endif()
            endforeach()

            add_library(GTK2::${_basename} UNKNOWN IMPORTED)

            if(GTK2_${_var}_LIBRARY_RELEASE)
                set_property(TARGET GTK2::${_basename} APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
                set_property(TARGET GTK2::${_basename}        PROPERTY IMPORTED_LOCATION_RELEASE "${GTK2_${_var}_LIBRARY_RELEASE}" )
            endif()

            if(GTK2_${_var}_LIBRARY_DEBUG)
                set_property(TARGET GTK2::${_basename} APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
                set_property(TARGET GTK2::${_basename}        PROPERTY IMPORTED_LOCATION_DEBUG "${GTK2_${_var}_LIBRARY_DEBUG}" )
            endif()

            if(GTK2_${_var}_INCLUDE_DIR)
                set_property(TARGET GTK2::${_basename} APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${GTK2_${_var}_INCLUDE_DIR}")
            endif()

            if(GTK2_${_var}CONFIG_INCLUDE_DIR AND NOT "x${GTK2_${_var}CONFIG_INCLUDE_DIR}" STREQUAL "x${GTK2_${_var}_INCLUDE_DIR}")
                set_property(TARGET GTK2::${_basename} APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${GTK2_${_var}CONFIG_INCLUDE_DIR}")
            endif()

            if(GTK2_DEFINITIONS)
                set_property(TARGET GTK2::${_basename} PROPERTY INTERFACE_COMPILE_DEFINITIONS "${GTK2_DEFINITIONS}")
            endif()

            if(_${_var}_GTK2_DEPENDS)
                _GTK2_ADD_TARGET_DEPENDS(${_var} ${_${_var}_GTK2_DEPENDS} ${_${_var}_GTK2_OPTIONAL_DEPENDS})
            endif()

            if(_${_var}_OPTIONAL_INCLUDES)
                foreach(_D ${_${_var}_OPTIONAL_INCLUDES})
                    if(_D)
                        _GTK2_ADD_TARGET_INCLUDE_DIRS(${_var} ${_D})
                    endif()
                endforeach()
            endif()
        endif()

        set(GTK2_TARGETS ${GTK2_TARGETS} GTK2::${_basename})
        set(GTK2_TARGETS ${GTK2_TARGETS} PARENT_SCOPE)

        if(GTK2_USE_IMPORTED_TARGETS)
            set(GTK2_${_var}_LIBRARY GTK2::${_basename} PARENT_SCOPE)
        endif()

    endif()
endfunction()



#=============================================================

#
# main()
#

set(GTK2_FOUND)
set(GTK2_INCLUDE_DIRS)
set(GTK2_LIBRARIES)
set(GTK2_TARGETS)
set(GTK2_DEFINITIONS)

if(NOT GTK2_FIND_COMPONENTS)
    # Assume they only want GTK
    set(GTK2_FIND_COMPONENTS gtk)
endif()

#
# If specified, enforce version number
#
if(GTK2_FIND_VERSION)
    set(GTK2_FAILED_VERSION_CHECK true)
    if(GTK2_DEBUG)
        message(STATUS "[FindGTK2.cmake:${CMAKE_CURRENT_LIST_LINE}] "
                       "Searching for version ${GTK2_FIND_VERSION}")
    endif()
    _GTK2_FIND_INCLUDE_DIR(GTK gtk/gtk.h)
    if(GTK2_GTK_INCLUDE_DIR)
        _GTK2_GET_VERSION(GTK2_MAJOR_VERSION
                          GTK2_MINOR_VERSION
                          GTK2_PATCH_VERSION
                          ${GTK2_GTK_INCLUDE_DIR}/gtk/gtkversion.h)
        set(GTK2_VERSION
            ${GTK2_MAJOR_VERSION}.${GTK2_MINOR_VERSION}.${GTK2_PATCH_VERSION})
        if(GTK2_FIND_VERSION_EXACT)
            if(GTK2_VERSION VERSION_EQUAL GTK2_FIND_VERSION)
                set(GTK2_FAILED_VERSION_CHECK false)
            endif()
        else()
            if(GTK2_VERSION VERSION_EQUAL   GTK2_FIND_VERSION OR
               GTK2_VERSION VERSION_GREATER GTK2_FIND_VERSION)
                set(GTK2_FAILED_VERSION_CHECK false)
            endif()
        endif()
    else()
        # If we can't find the GTK include dir, we can't do version checking
        if(GTK2_FIND_REQUIRED AND NOT GTK2_FIND_QUIETLY)
            message(FATAL_ERROR "Could not find GTK2 include directory")
        endif()
        return()
    endif()

    if(GTK2_FAILED_VERSION_CHECK)
        if(GTK2_FIND_REQUIRED AND NOT GTK2_FIND_QUIETLY)
            if(GTK2_FIND_VERSION_EXACT)
                message(FATAL_ERROR "GTK2 version check failed.  Version ${GTK2_VERSION} was found, version ${GTK2_FIND_VERSION} is needed exactly.")
            else()
                message(FATAL_ERROR "GTK2 version check failed.  Version ${GTK2_VERSION} was found, at least version ${GTK2_FIND_VERSION} is required")
            endif()
        endif()

        # If the version check fails, exit out of the module here
        return()
    endif()
endif()

#
# On MSVC, according to https://wiki.gnome.org/gtkmm/MSWindows, the /vd2 flag needs to be
# passed to the compiler in order to use gtkmm
#
if(MSVC)
    foreach(_GTK2_component ${GTK2_FIND_COMPONENTS})
        if(_GTK2_component STREQUAL "gtkmm")
            set(GTK2_DEFINITIONS "/vd2")
        elseif(_GTK2_component STREQUAL "glademm")
            set(GTK2_DEFINITIONS "/vd2")
        endif()
    endforeach()
endif()

#
# Find all components
#

find_package(Freetype QUIET)
if(FREETYPE_INCLUDE_DIR_ft2build AND FREETYPE_INCLUDE_DIR_freetype2)
    list(APPEND GTK2_INCLUDE_DIRS ${FREETYPE_INCLUDE_DIR_ft2build} ${FREETYPE_INCLUDE_DIR_freetype2})
endif()

foreach(_GTK2_component ${GTK2_FIND_COMPONENTS})
    if(_GTK2_component STREQUAL "gtk")
        # Left for compatibility with previous versions.
        _GTK2_FIND_INCLUDE_DIR(FONTCONFIG fontconfig/fontconfig.h)
        _GTK2_FIND_INCLUDE_DIR(X11 X11/Xlib.h)

        _GTK2_FIND_INCLUDE_DIR(GLIB glib.h)
        _GTK2_FIND_INCLUDE_DIR(GLIBCONFIG glibconfig.h)
        _GTK2_FIND_LIBRARY    (GLIB glib false true)
        _GTK2_ADD_TARGET      (GLIB)

        _GTK2_FIND_INCLUDE_DIR(GOBJECT glib-object.h)
        _GTK2_FIND_LIBRARY    (GOBJECT gobject false true)
        _GTK2_ADD_TARGET      (GOBJECT GTK2_DEPENDS glib)

        _GTK2_FIND_INCLUDE_DIR(ATK atk/atk.h)
        _GTK2_FIND_LIBRARY    (ATK atk false true)
        _GTK2_ADD_TARGET      (ATK GTK2_DEPENDS gobject glib)

        _GTK2_FIND_LIBRARY    (GIO gio false true)
        _GTK2_ADD_TARGET      (GIO GTK2_DEPENDS gobject glib)

        _GTK2_FIND_LIBRARY    (GTHREAD gthread false true)
        _GTK2_ADD_TARGET      (GTHREAD GTK2_DEPENDS glib)

        _GTK2_FIND_LIBRARY    (GMODULE gmodule false true)
        _GTK2_ADD_TARGET      (GMODULE GTK2_DEPENDS glib)

        _GTK2_FIND_INCLUDE_DIR(GDK_PIXBUF gdk-pixbuf/gdk-pixbuf.h)
        _GTK2_FIND_LIBRARY    (GDK_PIXBUF gdk_pixbuf false true)
        _GTK2_ADD_TARGET      (GDK_PIXBUF GTK2_DEPENDS gobject glib)

        _GTK2_FIND_INCLUDE_DIR(CAIRO cairo.h)
        _GTK2_FIND_LIBRARY    (CAIRO cairo false false)
        _GTK2_ADD_TARGET      (CAIRO)

        _GTK2_FIND_INCLUDE_DIR(HARFBUZZ hb.h)
        _GTK2_FIND_LIBRARY    (HARFBUZZ harfbuzz false false)
        _GTK2_ADD_TARGET      (HARFBUZZ)

        _GTK2_FIND_INCLUDE_DIR(PANGO pango/pango.h)
        _GTK2_FIND_LIBRARY    (PANGO pango false true)
        _GTK2_ADD_TARGET      (PANGO GTK2_DEPENDS gobject glib
                                     GTK2_OPTIONAL_DEPENDS harfbuzz)

        _GTK2_FIND_LIBRARY    (PANGOCAIRO pangocairo false true)
        _GTK2_ADD_TARGET      (PANGOCAIRO GTK2_DEPENDS pango cairo gobject glib)

        _GTK2_FIND_LIBRARY    (PANGOFT2 pangoft2 false true)
        _GTK2_ADD_TARGET      (PANGOFT2 GTK2_DEPENDS pango gobject glib
                                        OPTIONAL_INCLUDES ${FREETYPE_INCLUDE_DIR_ft2build} ${FREETYPE_INCLUDE_DIR_freetype2}
                                                          ${GTK2_FONTCONFIG_INCLUDE_DIR}
                                                          ${GTK2_X11_INCLUDE_DIR})

        _GTK2_FIND_LIBRARY    (PANGOXFT pangoxft false true)
        _GTK2_ADD_TARGET      (PANGOXFT GTK2_DEPENDS pangoft2 pango gobject glib
                                        OPTIONAL_INCLUDES ${FREETYPE_INCLUDE_DIR_ft2build} ${FREETYPE_INCLUDE_DIR_freetype2}
                                                          ${GTK2_FONTCONFIG_INCLUDE_DIR}
                                                          ${GTK2_X11_INCLUDE_DIR})

        _GTK2_FIND_INCLUDE_DIR(GDK gdk/gdk.h)
        _GTK2_FIND_INCLUDE_DIR(GDKCONFIG gdkconfig.h)
        if(UNIX)
            if(APPLE)
                _GTK2_FIND_LIBRARY    (GDK gdk-quartz false true)
            endif()
            _GTK2_FIND_LIBRARY    (GDK gdk-x11 false true)
        else()
            _GTK2_FIND_LIBRARY    (GDK gdk-win32 false true)
        endif()
        _GTK2_ADD_TARGET (GDK GTK2_DEPENDS pango gdk_pixbuf gobject glib
                              GTK2_OPTIONAL_DEPENDS pangocairo cairo)

        _GTK2_FIND_INCLUDE_DIR(GTK gtk/gtk.h)
        if(UNIX)
            if(APPLE)
                _GTK2_FIND_LIBRARY    (GTK gtk-quartz false true)
            endif()
            _GTK2_FIND_LIBRARY    (GTK gtk-x11 false true)
        else()
            _GTK2_FIND_LIBRARY    (GTK gtk-win32 false true)
        endif()
        _GTK2_ADD_TARGET (GTK GTK2_DEPENDS gdk atk pangoft2 pango gdk_pixbuf gthread gobject glib
                              GTK2_OPTIONAL_DEPENDS gio pangocairo cairo)

    elseif(_GTK2_component STREQUAL "gtkmm")

        _GTK2_FIND_INCLUDE_DIR(SIGC++ sigc++/sigc++.h)
        _GTK2_FIND_INCLUDE_DIR(SIGC++CONFIG sigc++config.h)
        _GTK2_FIND_LIBRARY    (SIGC++ sigc true true)
        _GTK2_ADD_TARGET      (SIGC++)
        # Since sigc++ 2.5.1 c++11 support is required
        if(GTK2_SIGC++CONFIG_INCLUDE_DIR)
            _GTK2_SIGCXX_GET_VERSION(GTK2_SIGC++_VERSION_MAJOR
                                     GTK2_SIGC++_VERSION_MINOR
                                     GTK2_SIGC++_VERSION_MICRO
                                     ${GTK2_SIGC++CONFIG_INCLUDE_DIR}/sigc++config.h)
            if(NOT ${GTK2_SIGC++_VERSION_MAJOR}.${GTK2_SIGC++_VERSION_MINOR}.${GTK2_SIGC++_VERSION_MICRO} VERSION_LESS 2.5.1)
                # These are the features needed by clients in order to include the
                # project headers:
                set_property(TARGET GTK2::sigc++
                             PROPERTY INTERFACE_COMPILE_FEATURES cxx_alias_templates
                                                                 cxx_auto_type
                                                                 cxx_decltype
                                                                 cxx_deleted_functions
                                                                 cxx_noexcept
                                                                 cxx_nullptr
                                                                 cxx_right_angle_brackets
                                                                 cxx_rvalue_references
                                                                 cxx_variadic_templates)
            endif()
        endif()

        _GTK2_FIND_INCLUDE_DIR(GLIBMM glibmm.h)
        _GTK2_FIND_INCLUDE_DIR(GLIBMMCONFIG glibmmconfig.h)
        _GTK2_FIND_LIBRARY    (GLIBMM glibmm true true)
        _GTK2_ADD_TARGET      (GLIBMM GTK2_DEPENDS gobject sigc++ glib)

        _GTK2_FIND_INCLUDE_DIR(GIOMM giomm.h)
        _GTK2_FIND_INCLUDE_DIR(GIOMMCONFIG giommconfig.h)
        _GTK2_FIND_LIBRARY    (GIOMM giomm true true)
        _GTK2_ADD_TARGET      (GIOMM GTK2_DEPENDS gio glibmm gobject sigc++ glib)

        _GTK2_FIND_INCLUDE_DIR(ATKMM atkmm.h)
        _GTK2_FIND_INCLUDE_DIR(ATKMMCONFIG atkmmconfig.h)
        _GTK2_FIND_LIBRARY    (ATKMM atkmm true true)
        _GTK2_ADD_TARGET      (ATKMM GTK2_DEPENDS atk glibmm gobject sigc++ glib)

        _GTK2_FIND_INCLUDE_DIR(CAIROMM cairomm/cairomm.h)
        _GTK2_FIND_INCLUDE_DIR(CAIROMMCONFIG cairommconfig.h)
        _GTK2_FIND_LIBRARY    (CAIROMM cairomm true true)
        _GTK2_ADD_TARGET      (CAIROMM GTK2_DEPENDS cairo sigc++
                                       OPTIONAL_INCLUDES ${FREETYPE_INCLUDE_DIR_ft2build} ${FREETYPE_INCLUDE_DIR_freetype2}
                                                         ${GTK2_FONTCONFIG_INCLUDE_DIR}
                                                         ${GTK2_X11_INCLUDE_DIR})

        _GTK2_FIND_INCLUDE_DIR(PANGOMM pangomm.h)
        _GTK2_FIND_INCLUDE_DIR(PANGOMMCONFIG pangommconfig.h)
        _GTK2_FIND_LIBRARY    (PANGOMM pangomm true true)
        _GTK2_ADD_TARGET      (PANGOMM GTK2_DEPENDS glibmm sigc++ pango gobject glib
                                       GTK2_OPTIONAL_DEPENDS cairomm pangocairo cairo
                                       OPTIONAL_INCLUDES ${FREETYPE_INCLUDE_DIR_ft2build} ${FREETYPE_INCLUDE_DIR_freetype2}
                                                         ${GTK2_FONTCONFIG_INCLUDE_DIR}
                                                         ${GTK2_X11_INCLUDE_DIR})

        _GTK2_FIND_INCLUDE_DIR(GDKMM gdkmm.h)
        _GTK2_FIND_INCLUDE_DIR(GDKMMCONFIG gdkmmconfig.h)
        _GTK2_FIND_LIBRARY    (GDKMM gdkmm true true)
        _GTK2_ADD_TARGET      (GDKMM GTK2_DEPENDS pangomm gtk glibmm sigc++ gdk atk pangoft2 gdk_pixbuf pango gobject glib
                                     GTK2_OPTIONAL_DEPENDS giomm cairomm gio pangocairo cairo
                                     OPTIONAL_INCLUDES ${FREETYPE_INCLUDE_DIR_ft2build} ${FREETYPE_INCLUDE_DIR_freetype2}
                                                       ${GTK2_FONTCONFIG_INCLUDE_DIR}
                                                       ${GTK2_X11_INCLUDE_DIR})

        _GTK2_FIND_INCLUDE_DIR(GTKMM gtkmm.h)
        _GTK2_FIND_INCLUDE_DIR(GTKMMCONFIG gtkmmconfig.h)
        _GTK2_FIND_LIBRARY    (GTKMM gtkmm true true)
        _GTK2_ADD_TARGET      (GTKMM GTK2_DEPENDS atkmm gdkmm pangomm gtk glibmm sigc++ gdk atk pangoft2 gdk_pixbuf pango gthread gobject glib
                                     GTK2_OPTIONAL_DEPENDS giomm cairomm gio pangocairo cairo
                                     OPTIONAL_INCLUDES ${FREETYPE_INCLUDE_DIR_ft2build} ${FREETYPE_INCLUDE_DIR_freetype2}
                                                       ${GTK2_FONTCONFIG_INCLUDE_DIR}
                                                       ${GTK2_X11_INCLUDE_DIR})

    elseif(_GTK2_component STREQUAL "glade")

        _GTK2_FIND_INCLUDE_DIR(GLADE glade/glade.h)
        _GTK2_FIND_LIBRARY    (GLADE glade false true)
        _GTK2_ADD_TARGET      (GLADE GTK2_DEPENDS gtk gdk atk gio pangoft2 gdk_pixbuf pango gobject glib
                                     GTK2_OPTIONAL_DEPENDS pangocairo cairo
                                     OPTIONAL_INCLUDES ${FREETYPE_INCLUDE_DIR_ft2build} ${FREETYPE_INCLUDE_DIR_freetype2}
                                                       ${GTK2_FONTCONFIG_INCLUDE_DIR}
                                                       ${GTK2_X11_INCLUDE_DIR})

    elseif(_GTK2_component STREQUAL "glademm")

        _GTK2_FIND_INCLUDE_DIR(GLADEMM libglademm.h)
        _GTK2_FIND_INCLUDE_DIR(GLADEMMCONFIG libglademmconfig.h)
        _GTK2_FIND_LIBRARY    (GLADEMM glademm true true)
        _GTK2_ADD_TARGET      (GLADEMM GTK2_DEPENDS gtkmm glade atkmm gdkmm giomm pangomm glibmm sigc++ gtk gdk atk pangoft2 gdk_pixbuf pango gthread gobject glib
                                       GTK2_OPTIONAL_DEPENDS giomm cairomm gio pangocairo cairo
                                       OPTIONAL_INCLUDES ${FREETYPE_INCLUDE_DIR_ft2build} ${FREETYPE_INCLUDE_DIR_freetype2}
                                                         ${GTK2_FONTCONFIG_INCLUDE_DIR}
                                                         ${GTK2_X11_INCLUDE_DIR})

    else()
        message(FATAL_ERROR "Unknown GTK2 component ${_component}")
    endif()
endforeach()

#
# Solve for the GTK2 version if we haven't already
#
if(NOT GTK2_FIND_VERSION AND GTK2_GTK_INCLUDE_DIR)
    _GTK2_GET_VERSION(GTK2_MAJOR_VERSION
                      GTK2_MINOR_VERSION
                      GTK2_PATCH_VERSION
                      ${GTK2_GTK_INCLUDE_DIR}/gtk/gtkversion.h)
    set(GTK2_VERSION ${GTK2_MAJOR_VERSION}.${GTK2_MINOR_VERSION}.${GTK2_PATCH_VERSION})
endif()

#
# Try to enforce components
#

set(_GTK2_did_we_find_everything true)  # This gets set to GTK2_FOUND

include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)

foreach(_GTK2_component ${GTK2_FIND_COMPONENTS})
    string(TOUPPER ${_GTK2_component} _COMPONENT_UPPER)

    set(GTK2_${_COMPONENT_UPPER}_FIND_QUIETLY ${GTK2_FIND_QUIETLY})

    set(FPHSA_NAME_MISMATCHED 1)
    if(_GTK2_component STREQUAL "gtk")
        FIND_PACKAGE_HANDLE_STANDARD_ARGS(GTK2_${_COMPONENT_UPPER} "Some or all of the gtk libraries were not found."
            GTK2_GTK_LIBRARY
            GTK2_GTK_INCLUDE_DIR

            GTK2_GDK_INCLUDE_DIR
            GTK2_GDKCONFIG_INCLUDE_DIR
            GTK2_GDK_LIBRARY

            GTK2_GLIB_INCLUDE_DIR
            GTK2_GLIBCONFIG_INCLUDE_DIR
            GTK2_GLIB_LIBRARY
        )
    elseif(_GTK2_component STREQUAL "gtkmm")
        FIND_PACKAGE_HANDLE_STANDARD_ARGS(GTK2_${_COMPONENT_UPPER} "Some or all of the gtkmm libraries were not found."
            GTK2_GTKMM_LIBRARY
            GTK2_GTKMM_INCLUDE_DIR
            GTK2_GTKMMCONFIG_INCLUDE_DIR

            GTK2_GDKMM_INCLUDE_DIR
            GTK2_GDKMMCONFIG_INCLUDE_DIR
            GTK2_GDKMM_LIBRARY

            GTK2_GLIBMM_INCLUDE_DIR
            GTK2_GLIBMMCONFIG_INCLUDE_DIR
            GTK2_GLIBMM_LIBRARY

            FREETYPE_INCLUDE_DIR_ft2build
            FREETYPE_INCLUDE_DIR_freetype2
        )
    elseif(_GTK2_component STREQUAL "glade")
        FIND_PACKAGE_HANDLE_STANDARD_ARGS(GTK2_${_COMPONENT_UPPER} "The glade library was not found."
            GTK2_GLADE_LIBRARY
            GTK2_GLADE_INCLUDE_DIR
        )
    elseif(_GTK2_component STREQUAL "glademm")
        FIND_PACKAGE_HANDLE_STANDARD_ARGS(GTK2_${_COMPONENT_UPPER} "The glademm library was not found."
            GTK2_GLADEMM_LIBRARY
            GTK2_GLADEMM_INCLUDE_DIR
            GTK2_GLADEMMCONFIG_INCLUDE_DIR
        )
    endif()
    unset(FPHSA_NAME_MISMATCHED)

    if(NOT GTK2_${_COMPONENT_UPPER}_FOUND)
        set(_GTK2_did_we_find_everything false)
    endif()
endforeach()

if(GTK2_USE_IMPORTED_TARGETS)
    set(GTK2_LIBRARIES ${GTK2_TARGETS})
endif()


if(_GTK2_did_we_find_everything AND NOT GTK2_VERSION_CHECK_FAILED)
    set(GTK2_FOUND true)
else()
    # Unset our variables.
    set(GTK2_FOUND false)
    set(GTK2_VERSION)
    set(GTK2_VERSION_MAJOR)
    set(GTK2_VERSION_MINOR)
    set(GTK2_VERSION_PATCH)
    set(GTK2_INCLUDE_DIRS)
    set(GTK2_LIBRARIES)
    set(GTK2_TARGETS)
    set(GTK2_DEFINITIONS)
endif()

if(GTK2_INCLUDE_DIRS)
  list(REMOVE_DUPLICATES GTK2_INCLUDE_DIRS)
endif()
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