gentoo-overlay/media-sound/jack-audio-connection-kit/files/jack-audio-connection-kit-freebsd.patch

--- jack-audio-connection-kit-0.121.3/configure.old	2012-05-29 11:10:22.000000000 -0400
+++ jack-audio-connection-kit-0.121.3/configure	2012-05-29 11:10:46.000000000 -0400
@@ -14903,7 +14903,9 @@
   freebsd*)
     # current FreeBSD header files conflict with the OSS driver's
     # barrier code, this may be fixed in 5.3, stay tuned.
-    USE_BARRIER="no"
+    # USE_BARRIER="no"
+    TRY_POSIX_SHM=yes
+    HOST_DEFAULT_TMP_DIR=/tmp
     ;;
   openbsd*)
     # pthread_barrier* not implemented