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>
diff --git a/configure b/configure
index c56ed53..daccf4b 100755
--- a/configure
+++ b/configure
@@ -1659,8 +1659,8 @@
# 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
diff --git a/meson.build b/meson.build
index a5b63e6..28612fc 100644
--- a/meson.build
+++ b/meson.build
@@ -2714,7 +2714,7 @@
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
