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Re: [PATCH-for-8.0] qemu/osdep.h: Do not declare function prototypes usi
From: |
Daniel P . Berrangé |
Subject: |
Re: [PATCH-for-8.0] qemu/osdep.h: Do not declare function prototypes using extern keyword |
Date: |
Mon, 20 Mar 2023 13:27:34 +0000 |
User-agent: |
Mutt/2.2.9 (2022-11-12) |
On Mon, Mar 20, 2023 at 02:14:26PM +0100, Philippe Mathieu-Daudé wrote:
> By default, C function prototypes declared in headers are visible,
> so there is no need to declare them as 'extern' functions. Remove
> this redundancy. This also fixes when building under MSYS2:
>
> C:/msys64/mingw64/include/glib-2.0/glib/gmacros.h:1075:21: error: standard
> attributes in middle of decl-specifiers
> 1075 | # define G_NORETURN [[noreturn]]
> | ^
> C:/msys64/code/qemu/src/include/qemu/osdep.h:240:8: note: in expansion of
> macro 'G_NORETURN'
> 240 | extern G_NORETURN
> | ^~~~~~~~~~
>
> Reported-by: Simon Wörner <contact@simon-woerner.de>
> Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1541
There's already a fix for that issue included in a PULL request from
Thomas:
https://lists.gnu.org/archive/html/qemu-devel/2023-03/msg05225.html
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
> include/qemu/osdep.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
> index f68b5d8708..79c26c748a 100644
> --- a/include/qemu/osdep.h
> +++ b/include/qemu/osdep.h
> @@ -237,7 +237,7 @@ extern "C" {
> * supports QEMU_ERROR, this will be reported at compile time; otherwise
> * this will be reported at link time due to the missing symbol.
> */
> -extern G_NORETURN
> +G_NORETURN
> void QEMU_ERROR("code path is reachable")
> qemu_build_not_reached_always(void);
> #if defined(__OPTIMIZE__) && !defined(__NO_INLINE__)
> --
> 2.38.1
>
With regards,
Daniel
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