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# FindGTK3.cmake
# <https://github.com/nemequ/gnome-cmake>
#
# CMake support for GTK+ 3.
#
# License:
#
# Copyright (c) 2016 Evan Nemerson <evan@nemerson.com>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use, copy,
# modify, merge, publish, distribute, sublicense, and/or sell copies
# of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
find_package(PkgConfig)
set(GTK3_DEPS
GIO
ATK
GDK3
Pango
Cairo
GDKPixbuf)
if(PKG_CONFIG_FOUND)
pkg_search_module(GTK3_PKG QUIET gtk+-3.0)
endif()
find_library(GTK3_LIBRARY gtk-3 HINTS ${GTK3_PKG_LIBRARY_DIRS})
set(GTK3 gtk-3)
if(GTK3_LIBRARY)
add_library(${GTK3} SHARED IMPORTED)
set_property(TARGET ${GTK3} PROPERTY IMPORTED_LOCATION "${GTK3_LIBRARY}")
set_property(TARGET ${GTK3} PROPERTY INTERFACE_COMPILE_OPTIONS "${GTK3_PKG_CFLAGS_OTHER}")
set(GTK3_INCLUDE_DIRS)
find_path(GTK3_INCLUDE_DIR "gtk/gtk.h"
HINTS ${GTK3_PKG_INCLUDE_DIRS})
if(GTK3_INCLUDE_DIR)
file(STRINGS "${GTK3_INCLUDE_DIR}/gtk/gtkversion.h" GTK3_MAJOR_VERSION REGEX "^#define GTK_MAJOR_VERSION +\\(?([0-9]+)\\)?$")
string(REGEX REPLACE "^#define GTK_MAJOR_VERSION \\(?([0-9]+)\\)?$" "\\1" GTK3_MAJOR_VERSION "${GTK3_MAJOR_VERSION}")
file(STRINGS "${GTK3_INCLUDE_DIR}/gtk/gtkversion.h" GTK3_MINOR_VERSION REGEX "^#define GTK_MINOR_VERSION +\\(?([0-9]+)\\)?$")
string(REGEX REPLACE "^#define GTK_MINOR_VERSION \\(?([0-9]+)\\)?$" "\\1" GTK3_MINOR_VERSION "${GTK3_MINOR_VERSION}")
file(STRINGS "${GTK3_INCLUDE_DIR}/gtk/gtkversion.h" GTK3_MICRO_VERSION REGEX "^#define GTK_MICRO_VERSION +\\(?([0-9]+)\\)?$")
string(REGEX REPLACE "^#define GTK_MICRO_VERSION \\(?([0-9]+)\\)?$" "\\1" GTK3_MICRO_VERSION "${GTK3_MICRO_VERSION}")
set(GTK3_VERSION "${GTK3_MAJOR_VERSION}.${GTK3_MINOR_VERSION}.${GTK3_MICRO_VERSION}")
unset(GTK3_MAJOR_VERSION)
unset(GTK3_MINOR_VERSION)
unset(GTK3_MICRO_VERSION)
list(APPEND GTK3_INCLUDE_DIRS ${GTK3_INCLUDE_DIR})
set_property(TARGET ${GTK3} PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${GTK3_INCLUDE_DIR}")
endif()
endif()
set(GTK3_DEPS_FOUND_VARS)
foreach(gtk3_dep ${GTK3_DEPS})
find_package(${gtk3_dep})
list(APPEND GTK3_DEPS_FOUND_VARS "${gtk3_dep}_FOUND")
list(APPEND GTK3_INCLUDE_DIRS ${${gtk3_dep}_INCLUDE_DIRS})
set_property (TARGET "${GTK3}" APPEND PROPERTY INTERFACE_LINK_LIBRARIES "${${gtk3_dep}}")
endforeach(gtk3_dep)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GTK3
REQUIRED_VARS
GTK3_LIBRARY
GTK3_INCLUDE_DIRS
${GTK3_DEPS_FOUND_VARS}
VERSION_VAR
GTK3_VERSION)
unset(GTK3_DEPS_FOUND_VARS)
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