msdk: meson: Fix build on Windows

subprojects\gst-plugins-bad\sys\msdk\meson.build:160:2: ERROR: Unknown variable "libva_dep".

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1022>

diff --git a/subprojects/gst-plugins-bad/sys/msdk/meson.build b/subprojects/gst-plugins-bad/sys/msdk/meson.build
index ac2dd81..c06d63e 100644 (file)
--- a/subprojects/gst-plugins-bad/sys/msdk/meson.build
+++ b/subprojects/gst-plugins-bad/sys/msdk/meson.build
@@ -157,11 +157,13 @@ else
 endif
 
 if msdk_deps_found
-  driverdir = libva_dep.get_variable(pkgconfig: 'driverdir', internal: 'driverdir', default_value: '')
-  if driverdir == ''
-    driverdir = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
+  if host_machine.system() != 'windows'
+    driverdir = libva_dep.get_variable(pkgconfig: 'driverdir', internal: 'driverdir', default_value: '')
+    if driverdir == ''
+      driverdir = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
+    endif
+    cdata.set_quoted('VA_DRIVERS_PATH', '@0@'.format(driverdir))
   endif
-  cdata.set_quoted('VA_DRIVERS_PATH', '@0@'.format(driverdir))
 
   gstmsdktag = library('gstmsdk',
     msdk_sources,