[glib] Implement lazy loading of fam plugin

[Alexander Larsson <alexl src gnome org>]

commit 74ad124cfba3278c385d177a527f19574fda9670
Author: Alexander Larsson <alexl redhat com>
Date:   Tue Jan 12 13:09:10 2010 +0100

    Implement lazy loading of fam plugin

 gio/fam/Makefile.am  |   15 ++++++++++++++-
 gio/fam/fam-module.c |   11 +++++++++++
 2 files changed, 25 insertions(+), 1 deletions(-)
---
diff --git a/gio/fam/Makefile.am b/gio/fam/Makefile.am
index 29ae072..e4183bd 100644
--- a/gio/fam/Makefile.am
+++ b/gio/fam/Makefile.am
@@ -2,7 +2,7 @@ include $(top_srcdir)/Makefile.decl
 
 NULL =
 
-module_flags = -export_dynamic -avoid-version -module -no-undefined -export-symbols-regex '^g_io_module_(load|unload)'
+module_flags = -export_dynamic -avoid-version -module -no-undefined -export-symbols-regex '^g_io_module_(load|unload|query)'
 
 giomodule_LTLIBRARIES = libgiofam.la
 giomoduledir = $(GIO_MODULE_DIR)
@@ -37,3 +37,16 @@ libgiofam_la_LIBADD = \
 		$(FAM_LIBS) \
 		$(NULL)
 
+if CROSS_COMPILING
+RUN_QUERY_MODULES=false
+else
+RUN_QUERY_MODULES=true
+endif
+
+install-data-hook:
+	if $(RUN_QUERY_MODULES) && test -z "$(DESTDIR)" ; then					\
+		$(top_builddir)/gio/gio-querymodules$(EXEEXT) $(DESTDIR)$(GIO_MODULE_DIR) ;	\
+	fi
+
+uninstall-local:
+	$(RM) $(DESTDIR)$(GIO_MODULE_DIR)/giomodules.cache
diff --git a/gio/fam/fam-module.c b/gio/fam/fam-module.c
index 70e8dea..91d6d62 100644
--- a/gio/fam/fam-module.c
+++ b/gio/fam/fam-module.c
@@ -41,3 +41,14 @@ g_io_module_unload (GIOModule   *module)
   _fam_sub_shutdown ();
 }
 
+char **
+g_io_module_query (void)
+{
+  char *eps[] = {
+    G_LOCAL_DIRECTORY_MONITOR_EXTENSION_POINT_NAME,
+    G_LOCAL_FILE_MONITOR_EXTENSION_POINT_NAME,
+    NULL
+  };
+  return g_strdupv (eps);
+}
+