identifying config options for kernel modules

BCarey · 09-18-2007, 03:06 PM

Hi,

When compiling a kernel, is there an easy way to find out which config option corresponds to a given module if you know the module's name? For example, if you know you need the pcspkr module, how can you find out which option will build it (I know the answer to that particular one, but I use it as an example)?

Thanks,
Brian

Alien Bob · 09-18-2007, 03:33 PM

I don't know if there is an elegant way, but this will give you a rough indication:

Code:

# cd <your_kernel_source_tree>
# find . -name Kconfig -exec grep -H -C 10 <your_module> {} \;

The 10 lines of context are usually enough to spot the kernel config option associated with the module.

Eric

BCarey · 09-18-2007, 03:48 PM

Thanks Eric.

Brian

H_TeXMeX_H · 09-18-2007, 03:57 PM

Also, if you use 'make menuconfig' press the '/' key to search.

BCarey · 09-18-2007, 04:22 PM

Cool, H_TexMex_H, I never knew that (I always use menuconfig).

Welcome back, BTW.

Brian

H_TeXMeX_H · 09-18-2007, 04:37 PM

Thanks, glad to be back

... I didn't have internet for a while, I missed it.