[PATCH 2/2] virtio-gpu: add virtio-vga module

[Gerd Hoffmann <kraxel@redhat.com>]

Build virtio-gpu vga devices modular.  Must be a separate module because
not all qemu softmmu variants come with VGA support.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 util/module.c          |  3 +++
 hw/display/meson.build | 10 ++++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/util/module.c b/util/module.c
index 9490f975d303..503c399421c5 100644
--- a/util/module.c
+++ b/util/module.c
@@ -304,6 +304,9 @@ static struct {
     { "virtio-gpu-pci-base",   "hw-", "display-virtio-gpu-pci" },
     { "virtio-gpu-pci",        "hw-", "display-virtio-gpu-pci" },
     { "vhost-user-gpu-pci",    "hw-", "display-virtio-gpu-pci" },
+    { "virtio-vga-base",       "hw-", "display-virtio-vga"    },
+    { "virtio-vga",            "hw-", "display-virtio-vga"    },
+    { "vhost-user-vga",        "hw-", "display-virtio-vga"    },
     { "chardev-braille",       "chardev-", "baum"             },
     { "chardev-spicevmc",      "chardev-", "spice"            },
     { "chardev-spiceport",     "chardev-", "spice"            },
diff --git a/hw/display/meson.build b/hw/display/meson.build
index 669935371335..11ea2895c5fe 100644
--- a/hw/display/meson.build
+++ b/hw/display/meson.build
@@ -71,8 +71,14 @@ if config_all_devices.has_key('CONFIG_VIRTIO_PCI')
   hw_display_modules += {'virtio-gpu-pci': virtio_gpu_pci_ss}
 endif
 
-softmmu_ss.add(when: 'CONFIG_VIRTIO_VGA', if_true: files('virtio-vga.c'))
-softmmu_ss.add(when: 'CONFIG_VHOST_USER_VGA', if_true: files('vhost-user-vga.c'))
+if config_all_devices.has_key('CONFIG_VIRTIO_VGA')
+  virtio_vga_ss = ss.source_set()
+  virtio_vga_ss.add(when: 'CONFIG_VIRTIO_VGA',
+                    if_true: [files('virtio-vga.c'), pixman])
+  virtio_vga_ss.add(when: 'CONFIG_VHOST_USER_VGA',
+                    if_true: files('vhost-user-vga.c'))
+  hw_display_modules += {'virtio-vga': virtio_vga_ss}
+endif
 
 specific_ss.add(when: [x11, opengl, 'CONFIG_MILKYMIST_TMU2'], if_true: files('milkymist-tmu2.c'))
 specific_ss.add(when: 'CONFIG_OMAP', if_true: files('omap_lcdc.c'))
-- 
2.27.0