dev builds
themes manual
device status forums
mailing lists
IRC bugs
dev guide

Rockbox mail archive

Subject: Re: Building Rockbox faster with make -j

Re: Building Rockbox faster with make -j

From: Nils <>
Date: Fri, 6 Mar 2009 16:35:30 +0100

On Fri, Mar 6, 2009 at 4:03 PM, Boris Gjenero <>wrote:

> David Hall wrote:
>> Boris Gjenero wrote:
>>> Hello,
>>> I have a 4-core Intel Q6600 CPU, and -j 4 cuts the
>>> build time in half, from about 10 minutes to about 5 minutes.
>> OT - but even that seems very slow. Are you using ccache?
> Yeah, I thought that was ridiculously slow. I assumed it was due to some
> operations being slow on Cygwin.
> I was not using ccache. After installing it, reconfiguring ("Found and
> uses ccache") and building once, I was able to build again from a clean
> state with -j 4 in 4:30.
> --
> Boris

Boris, if you are looking for a major speedup, try building on native linux,
i can do a build with make -j3 in about one minute on my 3 year old pentium
dual core (using ccache) and your cpu is _much_ faster.

Received on 2009-03-06

Page was last modified "Jan 10 2012" The Rockbox Crew