Index: jack-audio-connection-kit-0.125.0/configure
===================================================================
--- jack-audio-connection-kit-0.125.0.orig/configure
+++ jack-audio-connection-kit-0.125.0/configure
@@ -15795,9 +15795,7 @@ HOST_DEFAULT_TMP_DIR=/dev/shm
 USE_MD5SUM=1
 case "${host_os}" in
   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"
+    TRY_POSIX_SHM=yes
     USE_MD5SUM=0
     ;;
   openbsd*)