Re: [Qemu-devel] [PATCH] QEMU_BUILD_BUG_ON: use __COUNTER__

[Peter Maydell]

On 31 January 2017 at 14:43, Michael S. Tsirkin <address@hidden> wrote:
> Some headers use QEMU_BUILD_BUG_ON. This causes a problem
> if the C file including that header happens to have
> QEMU_BUILD_BUG_ON at the same line number.
>
> Fix using a widely available extension: __COUNTER__.
> If unavailable, provide a stub.

Specifically, it was introduced in gcc 4.3.0 (2008),
and is in at least clang 3.1 (2012).

thanks
-- PMM