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

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

Cc'ing Stefan & Stefano.

On 11/24/21 14:01, 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
>