Borrow some autofoo goo from nautilus to make the mimedb stuff distcheck

Makefile.am

@@ -14,3 +14,5 @@ EXTRA_DIST =                    \
 	intltool-merge.in       \
 	intltool-update.in      \
 	intltool-extract.in
+
+DISTCHECK_CONFIGURE_FLAGS = --disable-update-mimedb

configure.ac

@@ -38,6 +38,12 @@ AC_SUBST(GETTEXT_PACKAGE)
 AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE", [Gettext package])
 AM_GLIB_GNU_GETTEXT
 
+AC_ARG_ENABLE(update-mimedb,
+   AC_HELP_STRING([--disable-update-mimedb],
+                   [disable the update-mime-database after install [default=no]]),,
+    enable_update_mimedb=yes)
+AM_CONDITIONAL(ENABLE_UPDATE_MIMEDB, test x$enable_update_mimedb = xyes)
+
 AC_CONFIG_FILES([bin/sugar], [chmod +x sugar])
 
 AC_OUTPUT([

data/Makefile.am

@@ -23,14 +23,18 @@ mimedir = $(datadir)/mime/packages
 mime_DATA = $(mime_xml_files)
 
 install-data-hook:
+if ENABLE_UPDATE_MIMEDB
 	if [ -z "$$DESTDIR" ]; then \
 		update-mime-database "$(datadir)/mime"; \
 	fi
+endif
 
 uninstall-hook:
+if ENABLE_UPDATE_MIMEDB
 	if [ -z "$$DESTDIR" ]; then \
 		update-mime-database "$(datadir)/mime"; \
 	fi
+endif
 
 EXTRA_DIST = $(sugar_DATA) $(mime_xml_in_files) em.py gtkrc.em
-CLEANFILES = $(GTKRC_FILES)
+CLEANFILES = $(GTKRC_FILES) $(mime_xml_files)