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configure, meson: allow enabling vhost-user on all POSIX systems 

With the possibility of using a pipe pair via qemu_pipe() as a
replacement on operating systems that doesn't support eventfd,
vhost-user can also work on all POSIX systems.

This change allows enabling vhost-user on all non-Windows platforms
and makes libvhost_user (which still depends on eventfd) a linux-only
feature.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20220304100854.14829-4-slp@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Sergio Lopez 2022-03-04 11:08:53 +01:00 committed by Michael S. Tsirkin
parent ff5eb77b8a
commit eb9baecdb3
2 changed files with 3 additions and 3 deletions
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4
configure vendored
View File

@ -1659,8 +1659,8 @@ fi
# vhost interdependencies and host support
# vhost backends
if test "$vhost_user" = "yes" && test "$linux" != "yes"; then
error_exit "vhost-user is only available on Linux"
if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
error_exit "vhost-user is not available on Windows"
fi
test "$vhost_vdpa" = "" && vhost_vdpa=$linux
if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then

2
meson.build
View File

@ -2714,7 +2714,7 @@ if have_system or have_user
endif
vhost_user = not_found
if 'CONFIG_VHOST_USER' in config_host
if targetos == 'linux' and 'CONFIG_VHOST_USER' in config_host
libvhost_user = subproject('libvhost-user')
vhost_user = libvhost_user.get_variable('vhost_user_dep')
endif