On Sat, Dec 08, 2007 at 12:09:21PM +0530, Amogh Hooshdar wrote:
> I found two types of Makefiles in some tutorials.
>
> One was like this:-
>
> obj-m := hello-1.o
>
> Other was like this:-
>
> obj-m += hello-1.o
>
> Both generated .ko files properly and I could insmod and rmmod the ko
> successfully. Please explain what is the difference between := and +=
> ?
+= adds the module to obj-m while := sets the modules to only this
module.
obj-m := hello-1.o
obj-m := hello-2.o
builds only hello-2
obj-m += hello-1.o
obj-m += hello-2.o
builds both
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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