depot/third_party/nixpkgs/pkgs/development/libraries/libvdpau/installdir.patch

--- a/trace/meson.build	2020-02-15 16:34:58.698832000 +0100
+++ b/trace/meson.build	2020-02-15 16:39:05.359952802 +0100
@@ -4,5 +4,5 @@
     dependencies : libdl,
     version : '1.0.0',
     install : true,
-    install_dir : moduledir,
+    install_dir : get_option('prefix') + '/lib/libvdpau',
 )