Original commit message from CVS:
Allow disable/enable/with options to be passed to configure from the autogen.sh
script. So you don't have to re-run configure to specify that you do not want
a particular plugin to be built, etc.
CONFIGURE_DEF_OPT="$CONFIGURE_DEF_OPT --with-autoconf=$AUTOCONF"
shift
;;
+ --disable*|--enable*|--with*)
+ echo "+ passing option $1 to configure"
+ CONFIGURE_EXT_OPT="$CONFIGURE_EXT_OPT $1"
+ shift
+ ;;
--) shift ; break ;;
*) echo "- ignoring unknown autogen.sh argument $1"; shift ;;
esac