[coreboot] [RFC] Error out on implicit declarations

Myles Watson mylesgw at gmail.com
Thu Dec 18 15:29:32 CET 2008

On Thu, Dec 18, 2008 at 3:18 AM, Carl-Daniel Hailfinger <
c-d.hailfinger.devel.2006 at gmx.net> wrote:

> Bao, Zheng found a bug which killed SATA booting on my board.
> This happened because we do not error out on implicit function
> declarations. The linker has no way of checking whether the implicitly
> assumed function signature is identical to the real signature, so
> mismatches can occur and these mismatches are practically impossible to
> debug because the code looks completely correct.
> Adding -Werror-implicit-function-declaration to our CFLAGS would solve
> this problem nicely, but a lot of files in the tree need to be fixed.

I think this is a great idea.  Isn't the correct order to fix all the
warnings, then make it an error?

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