Re: [PATCH-for-5.2 2/3] gitlab-ci: Add a job to cover the --without-default-devices config

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

On 11/3/20 9:57 PM, Paolo Bonzini wrote:
> On Tue, Nov 3, 2020 at 6:01 PM Philippe Mathieu-Daudé <philmd@redhat.com> wrote:
>> On 11/3/20 5:52 PM, Daniel P. Berrangé wrote:
>>> On Tue, Nov 03, 2020 at 05:46:03PM +0100, Philippe Mathieu-Daudé wrote:
>>>> We test './configure --without-default-devices' since commit
>>>> 20885b5b169 (".travis.yml: test that no-default-device builds
>>>> do not regress") in Travis-CI.
>>>>
>>>> One minor difference: the GitLab Ubuntu docker image has the
>>>> Xen devel packages installed. As it is automatically selected,
>>>> we need to disable it with the --disable-xen option, else the
>>>> build fails:
>>>>
>>>>   /usr/bin/ld: libcommon.fa.p/hw_xen_xen-legacy-backend.c.o: in function `xen_be_register_common':
>>>>   hw/xen/xen-legacy-backend.c:754: undefined reference to `xen_9pfs_ops'
>>>>   /usr/bin/ld: libcommon.fa.p/fsdev_qemu-fsdev.c.o:(.data.rel+0x8): undefined reference to `local_ops'
>>>>   /usr/bin/ld: libcommon.fa.p/fsdev_qemu-fsdev.c.o:(.data.rel+0x20): undefined reference to `synth_ops'
>>>>   /usr/bin/ld: libcommon.fa.p/fsdev_qemu-fsdev.c.o:(.data.rel+0x38): undefined reference to `proxy_ops'
> 
> All these symbols are defined in hw/9pfs/meson.build's fs_ss, which is
> conditional on CONFIG_9PFS. So:
> 
> diff --git a/accel/Kconfig b/accel/Kconfig
> index 2ad94a3839..d24664d736 100644
> --- a/accel/Kconfig
> +++ b/accel/Kconfig
> @@ -7,3 +7,4 @@ config KVM
>  config XEN
>      bool
>      select FSDEV_9P if VIRTFS
> +    select 9PFS if VIRTFS

Without this line ^ it works! Thanks :*

Can you reply with your S-o-b? :)

> 
> or alternatively (and I think better):
> 
> diff --git a/hw/9pfs/Kconfig b/hw/9pfs/Kconfig
> index d3ebd73730..3ae5749661 100644
> --- a/hw/9pfs/Kconfig
> +++ b/hw/9pfs/Kconfig
> @@ -2,12 +2,8 @@ config FSDEV_9P
>      bool
>      depends on VIRTFS
> 
> -config 9PFS
> -    bool
> -
>  config VIRTIO_9P
>      bool
>      default y
>      depends on VIRTFS && VIRTIO
>      select FSDEV_9P
> -    select 9PFS
> diff --git a/hw/9pfs/meson.build b/hw/9pfs/meson.build
> index cc09426212..99be5d9119 100644
> --- a/hw/9pfs/meson.build
> +++ b/hw/9pfs/meson.build
> @@ -15,6 +15,6 @@ fs_ss.add(files(
>    'coxattr.c',
>  ))
>  fs_ss.add(when: 'CONFIG_XEN', if_true: files('xen-9p-backend.c'))
> -softmmu_ss.add_all(when: 'CONFIG_9PFS', if_true: fs_ss)
> +softmmu_ss.add_all(when: 'CONFIG_FSDEV_9P', if_true: fs_ss)
> 
>  specific_ss.add(when: 'CONFIG_VIRTIO_9P', if_true: files('virtio-9p-device.c'))
> 
> Paolo
>