On 09.07.13 22:33, Alexander Leidinger wrote:
> On Tue, 9 Jul 2013 17:32:33 +0200
> Gary Jennejohn <gljennj...@googlemail.com> wrote:
>
>> I just saw this breakage while compiling a kernel on HEAD updated
>> minutes ago:
So did I.
> Is your cc a gcc or clang? My one is clang and I didn't get build
> errors when I tested the commit. I was told there are those errors with
> gcc. My question in the corresponding thread is so far unanswered.
My cc is gcc, stock.
> Here's what I wrote as a reference:
> ---snip---
> Does someone know what this is supposed to result in?
>
> I would assume as the unions are unnamed and no variable is declared
> inside the struct with it, that the size of the struct is the same as
> not having those unions inside the structs.
>
> If this is correct I would assume the correct fix would be to #if-0
> them out.
> ---snip---
I did so and my kernelbuild is happy now. Yes, I do not use this header
at all.
>> These line numbers all point at nameless unions.
>>
>> Seems to me that a union needs a name, otherwise one cannot
>> access its contents.
>>
>> I simply named them all x to get the kernel to compile, which
>> succeeded.
>
> Did you name it x ("union x {...};"), or did you declare a variable
> x with it ("union {...} x;")?
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