do not enable gtk-doc
--- libqmi-1.12.4.orig/Makefile.am	2015-02-10 17:31:06.000000000 +0100
+++ libqmi-1.12.4/Makefile.am	2015-02-20 18:20:29.213191733 +0100
@@ -4,8 +4,7 @@ SUBDIRS = . data build-aux src utils doc
 ACLOCAL_AMFLAGS = -I m4
 
 DISTCHECK_CONFIGURE_FLAGS = \
-	--with-udev-base-dir="$$dc_install_base" \
-	--enable-gtk-doc
+	--with-udev-base-dir="$$dc_install_base"
 
 EXTRA_DIST = \
 	gtester.make \