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Re: HOWTO: Test in-src build without requiring much extra disk space
On Mon, Mar 17, 2003 at 05:58:55PM -0600, Loren James Rittle wrote:
> I wrote:
> >>(BTW, I want to be quite clear: no offense to anyone doing that work
> >> and I fully support it but I hereby suggest again that it would be
> >> great if the people making *basic* reorganization and changes to the
> >> build infrastructure would actually test the multiple configuration
> >> styles we purport to support.)
>
> Nathanael Nerode wrote:
> > Adding build-in-src to that is really nasty, especially since it
> > really means I have to put another copy of the source tree on disk
> > (to keep my working copy in any kind of shape for the objdir!=srcdir
> > builds).
>
> Ah, if that is the only thing holding you back... ;-) No, you don't!
> Someone mailed me this cute little script called duptree which allows
> you to create a cloned copy of e.g. a CVS src tree with much less disk
> space that I presumed would be required:
>
> $ rm -rf ~/tmp-ref4/GCC # clear out yesterday's src clone & in-src build dir
> $ duptree ~/tmp-ref4/outside-cvs-src/gcc ~/tmp-ref4/GCC
> $ du -s ~/tmp-ref4/outside-cvs-src/gcc ~/tmp-ref4/GCC
> 146700 /home/ljrittle/tmp-ref4/outside-cvs-src/gcc
> 1144 /home/ljrittle/tmp-ref4/GCC
> $ cd ~/tmp-ref4/GCC; ./configure; make bootstrap check install
>
> One may also use this script to clone a CVS src tree to another area
> to ensure that stuff written back to $src during a build may be easily
> spotted and removed.
FYI, for those on GNU/Linux systems, this is the same as GNU "cp -l"
for "link".
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer