Build fixes (was Anything more for xproto 7.0.22?)

[Julien Cristau]

On Sat, Jun  4, 2011 at 09:25:07 -0400, Gaetan Nadon wrote:

> The DocBook/XML olink databases (this is what those files are) are
> installed in the location provided by the specs/Makefile variable
> sgmldbsdir which is set to $(XORG_SGML_PATH)/X11/dbs. The value of
> XORG_SGML_PATH is obtained from the macro XORG_CHECK_SGML_DOCTOOLS (see
> config.log). The macro obtains the value from pkg-config
> --variable=sgmlrootdir xorg-sgml-doctools. Perhaps the
> xorg-sgml-doctools was installed in /usr/share.
> 
That needs to be overridden for distcheck.  One of the requirements of
distcheck is that everything is installed under $prefix (which is
different from xorg-sgml-doctools' prefix).  So there needs to be a
--with-sgml-path=foo override for the detected path.

Cheers,
Julien