igvm: Only build stubs if igvm is enabled

Change meson script to only include the IGVM stubs file if the IGVM
feature is enabled. It is used to handle architecture specific
differences within the IGVM backend, not to provide stubs of the backend
itself.

Signed-off-by: Oliver Steffen <osteffen@redhat.com>
Message-ID: <20260130054714.715928-9-osteffen@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

stubs/meson.build

@@ -71,7 +71,9 @@ if have_system
   stub_ss.add(files('dump.c'))
   stub_ss.add(files('cmos.c'))
   stub_ss.add(files('fw_cfg.c'))
-  stub_ss.add(files('igvm.c'))
+  if igvm.found()
+    stub_ss.add(files('igvm.c'))
+  endif
   stub_ss.add(files('target-get-monitor-def.c'))
   stub_ss.add(files('target-monitor-defs.c'))
   stub_ss.add(files('win32-kbd-hook.c'))