Is it safe to compile multiple ports at the same time ?

[Edwin Groothuis]

On Wed, May 17, 2006 at 09:21:47AM +0300, Vasil Dimov wrote:
> On Wed, May 17, 2006 at 04:13:02PM +1000, Edwin Groothuis wrote:
> > On Wed, May 17, 2006 at 09:00:26AM +0300, Vasil Dimov wrote:
> > > Not really, locking will just prevent breakages. Let me illustrate my
> > > thought with an example:
> > > 
> > > port A depends on X
> > > port B depends on X
> > > 
> > > You start building A which results in building X via exclusive lock on X.
> > > During the build of X you decide to build B which results in building X
> > > (X is not yet installed) but you block trying to acquire the exclusive
> > > lock on X so you wait _idling_ until building of X is done. Furthermore
> > > what do you suggest to do when the lock is released?
> > 
> > You have to obtain a lock on the X's Makefile before you are doing
> > to check if you have this port installed.
> > 
> > For example, a dependcy on pkg-config in the directory devel/pkgconfig:
> > 
> > - obtain lock on devel/pkgconfig/Makefile
> What do you do if that is already locked?

Wait until you get the lock.

Edwin
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