diff -ruN /usr/ports/audio/alsa-lib/pkg-plist ./pkg-plist
--- /usr/ports/audio/alsa-lib/pkg-plist	2013-10-03 20:34:28.000000000 +0400
+++ ./pkg-plist	2014-03-01 06:13:12.478217484 +0400
@@ -167,6 +167,6 @@
 @dirrm share/alsa
 @dirrm lib/alsa-lib/smixer
 @dirrm lib/alsa-lib
-@dirrm include/sys
+@dirrmtry include/sys
 @dirrm include/alsa/sound
 @dirrm include/alsa