.dev.YYYY.mmdd hardcoded docdir?

A few days ago I wrote here about problems with bsqldb and fisql;
now I tried build last git2a830b1 version (because my Fedora 19 has
older version 0.91-gitf3ae29d (0a42888 ?) sometimes from November
2013, and I was hoping that new version will be working better).
But I have problem with making FreeTDS RPM package - it seems that
new git version ignore "--docdir" configure option and always install
doc into albeit right "/usr/share/doc/" directory, however here into
"freetds-0.92.dev.YYYYmmdd" (where YYYYmmdd is actual date) - though
I was specifying "--docdir=/usr/share/doc/freetds-0.92".

It is intended, or I'm doing some mistake? IMO docdir (or other
package directories) should not depend on current date, but rather
on version ev. git subversion only }and should be configurable).

Thanks, Franta Hanzlik