testdata/MIT/FindGLib.cmake

0001 # FindGLib.cmake
0002 # <https://github.com/nemequ/gnome-cmake>
0003 #
0004 # CMake support for GLib/GObject/GIO.
0005 #
0006 # License:
0007 #
0008 #   Copyright (c) 2016 Evan Nemerson <evan@nemerson.com>
0009 #
0010 #   Permission is hereby granted, free of charge, to any person
0011 #   obtaining a copy of this software and associated documentation
0012 #   files (the "Software"), to deal in the Software without
0013 #   restriction, including without limitation the rights to use, copy,
0014 #   modify, merge, publish, distribute, sublicense, and/or sell copies
0015 #   of the Software, and to permit persons to whom the Software is
0016 #   furnished to do so, subject to the following conditions:
0017 #
0018 #   The above copyright notice and this permission notice shall be
0019 #   included in all copies or substantial portions of the Software.
0020 #
0021 #   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0022 #   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
0023 #   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0024 #   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0025 #   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0026 #   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
0027 #   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
0028 #   DEALINGS IN THE SOFTWARE.
0029
0030 find_package(PkgConfig)
0031
0032 if(PKG_CONFIG_FOUND)
0033   pkg_search_module(GLib_PKG glib-2.0)
0034 endif()
0035
0036 find_library(GLib_LIBRARY glib-2.0 HINTS ${GLib_PKG_LIBRARY_DIRS})
0037 set(GLib glib-2.0)
0038
0039 if(GLib_LIBRARY AND NOT GLib_FOUND)
0040   add_library(${GLib} SHARED IMPORTED)
0041   set_property(TARGET ${GLib} PROPERTY IMPORTED_LOCATION "${GLib_LIBRARY}")
0042   set_property(TARGET ${GLib} PROPERTY INTERFACE_COMPILE_OPTIONS "${GLib_PKG_CFLAGS_OTHER}")
0043
0044   find_path(GLib_INCLUDE_DIRS "glib.h"
0045     HINTS ${GLib_PKG_INCLUDE_DIRS}
0046     PATH_SUFFIXES "glib-2.0")
0047
0048   get_filename_component(GLib_LIBDIR "${GLib}" DIRECTORY)
0049   find_path(GLib_CONFIG_INCLUDE_DIR "glibconfig.h"
0050     HINTS
0051       ${GLib_LIBDIR}
0052       ${GLib_PKG_INCLUDE_DIRS}
0053     PATHS
0054       "${CMAKE_LIBRARY_PATH}"
0055     PATH_SUFFIXES
0056       "glib-2.0/include"
0057       "glib-2.0")
0058   unset(GLib_LIBDIR)
0059
0060   if(GLib_CONFIG_INCLUDE_DIR)
0061     file(STRINGS "${GLib_CONFIG_INCLUDE_DIR}/glibconfig.h" GLib_MAJOR_VERSION REGEX "^#define GLIB_MAJOR_VERSION +([0-9]+)")
0062     string(REGEX REPLACE "^#define GLIB_MAJOR_VERSION ([0-9]+)$" "\\1" GLib_MAJOR_VERSION "${GLib_MAJOR_VERSION}")
0063     file(STRINGS "${GLib_CONFIG_INCLUDE_DIR}/glibconfig.h" GLib_MINOR_VERSION REGEX "^#define GLIB_MINOR_VERSION +([0-9]+)")
0064     string(REGEX REPLACE "^#define GLIB_MINOR_VERSION ([0-9]+)$" "\\1" GLib_MINOR_VERSION "${GLib_MINOR_VERSION}")
0065     file(STRINGS "${GLib_CONFIG_INCLUDE_DIR}/glibconfig.h" GLib_MICRO_VERSION REGEX "^#define GLIB_MICRO_VERSION +([0-9]+)")
0066     string(REGEX REPLACE "^#define GLIB_MICRO_VERSION ([0-9]+)$" "\\1" GLib_MICRO_VERSION "${GLib_MICRO_VERSION}")
0067     set(GLib_VERSION "${GLib_MAJOR_VERSION}.${GLib_MINOR_VERSION}.${GLib_MICRO_VERSION}")
0068     unset(GLib_MAJOR_VERSION)
0069     unset(GLib_MINOR_VERSION)
0070     unset(GLib_MICRO_VERSION)
0071
0072     list(APPEND GLib_INCLUDE_DIRS ${GLib_CONFIG_INCLUDE_DIR})
0073     set_property(TARGET ${GLib} PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${GLib_INCLUDE_DIRS}")
0074   endif()
0075 endif()
0076
0077 include(FindPackageHandleStandardArgs)
0078 find_package_handle_standard_args(GLib
0079     REQUIRED_VARS
0080       GLib_LIBRARY
0081       GLib_INCLUDE_DIRS
0082     VERSION_VAR
0083       GLib_VERSION)