--- a/po/Makefile.in.in
+++ b/po/Makefile.in.in
@@ -95,6 +95,13 @@
 $(srcdir)/$(GETTEXT_PACKAGE).pot: $(POTFILES)
 	$(XGETTEXT) --default-domain=$(GETTEXT_PACKAGE) --directory=$(top_srcdir) \
 	  --add-comments --keyword=_ --keyword=N_ \
+	  --keyword=C_:1c,2 \
+	  --keyword=NC_:1c,2 \
+	  --keyword=g_dngettext:2,3 \
+	  --flag=N_:1:pass-c-format \
+	  --flag=C_:2:pass-c-format \
+	  --flag=NC_:2:pass-c-format \
+	  --flag=g_dngettext:2:pass-c-format \
           --flag=g_strdup_printf:1:c-format \
           --flag=g_string_printf:2:c-format \
           --flag=g_string_append_printf:2:c-format \
--- a/src/ttsubset/Makefile.in
+++ b/src/ttsubset/Makefile.in
@@ -113,6 +113,7 @@
 PACKAGE_NAME = @PACKAGE_NAME@
 PACKAGE_STRING = @PACKAGE_STRING@
 PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
 PKG_CONFIG = @PKG_CONFIG@