Re: Does GNU Make support for parallel compiling?

[Sam Ravnborg]

On Wed, Dec 03, 2008 at 11:22:53AM +0800, Jack wrote:
> Hi, Make team
> 
>   Let me give you an example first. My project Make with following steps:
>   1. make $(HOME)/$(HOME)/lib/; make src/;  make $(HOME)/util/;
>   2. make $(HOME)/
> 
>   In the first step, lib/, src/, util/ could be Maked parallel, after
> the first step finished, then Make execute step 2 to produce exe-file.
>   As multi-core cpu is popular today, I think it is a wonderful for
> Make to support parallel compiling.

Use the parameter -j to enable parallel build of your targets.
-j takes an optional parameter that limits the number of
parallel processes. As a rule of thumb specify twice the amount of
processors (cores) you have.

        Sam