Re: [PATCH v4 03/18] meson: require liburing >= 0.3

[Li Zhang]

On 11/24/21 2:01 PM, Daniel P. Berrangé wrote:
> openSUSE Leap 15.2 ships with liburing == 0.2 against which QEMU fails
> to build.
>
> ../util/fdmon-io_uring.c: In function ‘fdmon_io_uring_need_wait’:
> ../util/fdmon-io_uring.c:305:9: error: implicit declaration of function 
> ‘io_uring_sq_ready’; did you mean ‘io_uring_cq_ready’? 
> [-Werror=implicit-function-declaration]
>       if (io_uring_sq_ready(&ctx->fdmon_io_uring)) {
>           ^~~~~~~~~~~~~~~~~
>           io_uring_cq_ready
>
> This method was introduced in liburing 0.3, so set that as a minimum
> requirement.
>
> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> ---
>   meson.build | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/meson.build b/meson.build
> index e2d38a43e6..04d36bf47e 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -427,7 +427,8 @@ if not get_option('linux_aio').auto() or have_block
>   endif
>   linux_io_uring = not_found
>   if not get_option('linux_io_uring').auto() or have_block
> -  linux_io_uring = dependency('liburing', required: 
> get_option('linux_io_uring'),
> +  linux_io_uring = dependency('liburing', version: '>=0.3',
> +                              required: get_option('linux_io_uring'),
>                                 method: 'pkg-config', kwargs: static_kwargs)
>   endif
>   libxml2 = not_found

Thanks for fixing this. I didn't notice it on openSUSE SLE 15.2. I just 
checked my system openSUSE SLE 15.3, the version is 0.6 which is much 
newer.

Thanks
Li