contrib/vhost-user-gpu: convert to meson

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/meson.build b/meson.build
index 371d571..71ef66e 100644
--- a/meson.build
+++ b/meson.build
@@ -83,6 +83,8 @@
   gnutls = declare_dependency(compile_args: config_host['GNUTLS_CFLAGS'].split(),
                               link_args: config_host['GNUTLS_LIBS'].split())
 endif
+pixman = declare_dependency(compile_args: config_host['PIXMAN_CFLAGS'].split(),
+                            link_args: config_host['PIXMAN_LIBS'].split())
 seccomp = not_found
 if 'CONFIG_SECCOMP' in config_host
   seccomp = declare_dependency(compile_args: config_host['SECCOMP_CFLAGS'].split(),
@@ -97,6 +99,16 @@
   libiscsi = declare_dependency(compile_args: config_host['LIBISCSI_CFLAGS'].split(),
                                 link_args: config_host['LIBISCSI_LIBS'].split())
 endif
+gbm = not_found
+if 'CONFIG_GBM' in config_host
+  gbm = declare_dependency(compile_args: config_host['GBM_CFLAGS'].split(),
+                           link_args: config_host['GBM_LIBS'].split())
+endif
+virgl = not_found
+if 'CONFIG_VIRGL' in config_host
+  virgl = declare_dependency(compile_args: config_host['VIRGL_CFLAGS'].split(),
+                             link_args: config_host['VIRGL_LIBS'].split())
+endif
 
 target_dirs = config_host['TARGET_DIRS'].split()
 have_user = false
@@ -265,6 +277,9 @@
   if 'CONFIG_VHOST_USER' in config_host
     subdir('contrib/libvhost-user')
     subdir('contrib/vhost-user-blk')
+    if 'CONFIG_LINUX' in config_host
+      subdir('contrib/vhost-user-gpu')
+    endif
     subdir('contrib/vhost-user-input')
     subdir('contrib/vhost-user-scsi')
   endif