Re: [PATCH 0/3] Fix installation paths with "make install-doc"

> Junio C Hamano <gitster@pobox.com> writes:
> 
> > I _think_ exporting mandir/html/infodir from the top-level Makefile
> > is wrong to begin with.  We should drop the "export mandir" from
> > there.
> 
> Ah, it is this thing, isn't it?
> 
> commit d8cf908cb6012cd4dc3d1089a849daf646150c2e
> Author: Junio C Hamano <gitster@pobox.com>
> Date:   Sat Feb 2 17:58:49 2013 -0800
> 
>     config.mak.in: remove unused definitions
>     
>     When 5566771 (autoconf: Use autoconf to write installation
>     directories to config.mak.autogen, 2006-07-03) introduced support
>     for autoconf generated config.mak file, it added an "export" for a
>     few common makefile variables, in addition to definitions of srcdir
>     and VPATH.
>     
>     The "export" logically does not belong there.  The make variables
>     like mandir, prefix, etc, should be exported to submakes for people
>     who use config.mak and people who use config.mak.autogen the same
>     way; if we want to get these exported, that should be in the main
>     Makefile.
>     
>     We do use mandir and htmldir in Documentation/Makefile, so let's
>     add export for them in the main Makefile instead.
>     
>     We may eventually want to support VPATH, and srcdir may turn out to
>     be useful for that purpose, but right now nobody uses it, so it is
>     useless to define them in this file.
>     
>     Signed-off-by: Junio C Hamano <gitster@pobox.com>