Re: [PATCH v2 0/3] kbuild: fix host progs build with libs in non standard locations

From: Robin Jarry
Date: Tue Feb 27 2018 - 15:52:52 EST


2018-02-27, Josh Poimboeuf:
> In Documentation/kbuild/kbuild.txt, we have the following environment
> variables:
>
> KCFLAGS
> --------------------------------------------------
> Additional options to the C compiler (for built-in and modules).
>
> CFLAGS_KERNEL
> --------------------------------------------------
> Additional options for $(CC) when used to compile
> code that is compiled as built-in.
>
> CFLAGS_MODULE
> --------------------------------------------------
> Additional module specific options to use for $(CC).
>
> LDFLAGS_MODULE
> --------------------------------------------------
> Additional options used for $(LD) when linking modules.
>
> LDFLAGS_vmlinux
> --------------------------------------------------
> Additional options passed to final link of vmlinux.
>
> So instead of
>
> HOST_CFLAGS
> HOST_LDFLAGS
>
> maybe it would be more consistent to call them
>
> CFLAGS_HOST
> LDFLAGS_HOST
>
> ?

I had missed this file. Indeed {C,LD}FLAGS_HOST are much less confusing!

> Also, the new environment variables should be documented in the above
> file.

Sure, I'll do that. However, I feel like I should also leave the
paragraph in Documentation/admin-guide/README.txt.

What do you think?

--
Robin