Re: [Boost-build] Concurrent jobs hints

Subject: Re: [Boost-build] Concurrent jobs hints
From: Dave Abrahams (dave_at_[hidden])
Date: 2010-12-08 16:37:10

At Wed, 8 Dec 2010 20:31:27 +0000 (UTC),
Piotr Jachowicz wrote:
> 
> Hello,
> 
> My build contains approx. 30 projects and I usually invoke "bjam -j4" for
> concurrent builds. The problem is that 5 projects (called schema projects) use
> external tool for genearing code, and this tools cannot be invoked concurrently.
> Is there any way to provide some hint to bjam to prevent building many schema
> project concurrently?
> 
> Currently I perform some work-around and invoke
> 
> bjam schema1
> ...
> bjam schema5
> bjam -j4
> 
> but it makes redundant builds

You could wrap your tool with a filesystem-based mutex.

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com