[LITMUS^RT] Make file question

[Björn Brandenburg]

> On 21.08.2014, at 19:15, Aaron Block <ablock at austincollege.edu> wrote:
> 
> Just a quick question, 
> 
> why in the makefile is the Clustered EDF plugin included by using
> 
> obj-$(CONFIG_PLUGIN_CEDF) += sched_cedf.o
> 
> as opposed to including it in obj-y
> 

Hi Aaron,

everything added to obj-y is unconditionally compiled & linked under any configuration. Filed added to obj-$(SOME CONF VAR) are compiled and linked only if the corresponding symbol is enabled in the  configuration. 

Cheers,
Björn