1 files changed, 66 insertions, 0 deletions
diff --git a/cmake/modules/FindGIO.cmake b/cmake/modules/FindGIO.cmake
new file mode 100644
index 000000000..14d38045b
--- /dev/null
+++ b/cmake/modules/FindGIO.cmake
@@ -0,0 +1,66 @@
+# - Try to find the GIO libraries
+# Once done this will define
+#
+#  GIO_FOUND - system has GIO
+#  GIO_INCLUDE_DIR - the GIO include directory
+#  GIO_LIBRARIES - GIO library
+
+if(GIO_INCLUDE_DIR AND GIO_LIBRARIES)
+    # Already in cache, be silent
+    set(GIO_FIND_QUIETLY TRUE)
+endif(GIO_INCLUDE_DIR AND GIO_LIBRARIES)
+
+if (NOT WIN32)
+   include(UsePkgConfig)
+   pkgconfig(gio-2.0 _LibGIOIncDir _LibGIOLinkDir _LibGIOLinkFlags _LibGIOCflags)
+endif(NOT WIN32)
+
+MESSAGE(STATUS "gio include dir: ${_LibGIOIncDir}")
+
+# first try without default paths to respect PKG_CONFIG_PATH
+
+find_path(GIO_MAIN_INCLUDE_DIR glib.h
+          PATH_SUFFIXES glib-2.0
+          PATHS ${_LibGIOIncDir} 
+          NO_DEFAULT_PATH)
+
+find_path(GIO_MAIN_INCLUDE_DIR glib.h
+          PATH_SUFFIXES glib-2.0
+          PATHS ${_LibGIOIncDir} )
+          
+MESSAGE(STATUS "found gio main include dir: ${GIO_MAIN_INCLUDE_DIR}")
+
+# search the glibconfig.h include dir under the same root where the library is found
+find_library(GIO_LIBRARIES 
+             NAMES gio-2.0 
+             PATHS ${_LibGIOLinkDir} 
+             NO_DEFAULT_PATH)
+
+find_library(GIO_LIBRARIES 
+             NAMES gio-2.0 
+             PATHS ${_LibGIOLinkDir})
+
+
+get_filename_component(GIOLibDir "${GIO_LIBRARIES}" PATH)
+
+find_path(GIO_INTERNAL_INCLUDE_DIR glibconfig.h
+          PATH_SUFFIXES glib-2.0/include
+          PATHS ${_LibGIOIncDir} "${GIOLibDir}" ${CMAKE_SYSTEM_LIBRARY_PATH}
+          NO_DEFAULT_PATH)
+
+find_path(GIO_INTERNAL_INCLUDE_DIR glibconfig.h
+          PATH_SUFFIXES glib-2.0/include
+          PATHS ${_LibGIOIncDir} "${GIOLibDir}" ${CMAKE_SYSTEM_LIBRARY_PATH})
+
+set(GIO_INCLUDE_DIR "${GIO_MAIN_INCLUDE_DIR}")
+
+# not sure if this include dir is optional or required
+# for now it is optional
+if(GIO_INTERNAL_INCLUDE_DIR)
+  set(GIO_INCLUDE_DIR ${GIO_INCLUDE_DIR} "${GIO_INTERNAL_INCLUDE_DIR}")
+endif(GIO_INTERNAL_INCLUDE_DIR)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GIO  DEFAULT_MSG  GIO_LIBRARIES GIO_MAIN_INCLUDE_DIR)
+
+mark_as_advanced(GIO_INCLUDE_DIR GIO_LIBRARIES)