Gentoo не собирается dev-libs/libusb-0.1.12-r1

Не могу найти подобного баг репорта на http://bugs.gentoo.org/
...
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-lat2.ent:124:19:E: "X017D" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-lat2.ent:125:17:E: "X017C" is not a function name
jade:/usr/share/sgml/docbook/xml-dtd-4.1.2/ent/iso-lat2.ent:126:17:E: "X017B" is not a function name
make[2]: *** [html/index.html] Ошибка 1
make[2]: Leaving directory `/var/tmp/portage/dev-libs/libusb-0.1.12-r1/work/libusb-0.1.12/doc'
make[1]: *** [all-recursive] Ошибка 1
make[1]: Leaving directory `/var/tmp/portage/dev-libs/libusb-0.1.12-r1/work/libusb-0.1.12'
make: *** [all] Ошибка 2
*
* ERROR: dev-libs/libusb-0.1.12-r1 failed.
* Call stack:
* ebuild.sh, line 1654: Called dyn_compile
* ebuild.sh, line 990: Called qa_call 'src_compile'
* ebuild.sh, line 44: Called src_compile
* libusb-0.1.12-r1.ebuild, line 47: Called die
*
* emake failed
* If you need support, post the topmost build error, and the call stack if relevant.
* A complete build log is located at '/var/tmp/portage/dev-libs/libusb-0.1.12-r1/temp/build.log'.