Compiling only "network" part of the kernel

[Damien Fleuriot]

On 12/27/11 3:51 PM, Warren Block wrote:
> On Tue, 27 Dec 2011, Rajneesh Kumar wrote:
> 
>> During my development, I want to check if my modules compile successfully
>> or not. I am only changing the ARP portion and whenever I compile my
>> kernel, it takes around 20mins and compiles all different modules also.
>> I just want to compile and check whether my ARP modules, which I have
>> changed, compile fine or not. How to do it?
> 
> Others have mentioned ways to reduce what is rebuilt.  devel/ccache can
> be used in combination with those.  Even by itself it ought to seriously
> reduce kernel compile time.
>


Hey up Warren,


Would ccache also help with world/ports compile times ?

Are there any drawbacks to using it ? (the underlying question being: is
it worthy of a production environment ?)