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Re: [Xen-devel] [PATCH] clang: sizeof(type) must not have __attribute__(aligned)


On 17/09/14 03:50, Jan Beulich wrote:
On 16.09.14 at 20:32, <ian.campbell@xxxxxxxxxx> wrote:
On Tue, 2014-09-16 at 11:26 -0700, Julien Grall wrote:
Hi Ian,

On 16/09/14 09:21, Ian Campbell wrote:
On Sat, 2014-09-13 at 18:42 +0000, Marcin Cieslak wrote:

The commit message could go into a bit more detail as to why this is not
allowed. To me it sounds like clang is being overly picky, surely it can
just ignore the alignment in that context?

Clang will throw a warning when an attribute is unused (see
-Wignored-attributes). In case of libxc, we compiled with -Werror which
will turn this warning into an error.

Sounds to me like -Wignored-attributes is a bit pointless, perhaps we
shouldn't use it?


Ian, shall I resend the patch which disabled this attribute?



Julien Grall

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