--- configure.orig	2012-06-28 14:14:25 UTC
+++ configure
@@ -3930,6 +3930,10 @@ case "$target" in
         test -n "$SHLD" || SHLD="ld -Bshareable"
     so="so"
     ;;
+  *-*-dragonfly*)
+    [ -n "$SHLD" ] || SHLD="ld -Bshareable"
+    so="so"
+    ;;
   *-*-freebsd*)
     if test "$ELFFORMAT" = yes; then
 	test -n "$SHLD" || SHLD="ld -Bshareable"
@@ -12561,7 +12565,7 @@ fi;
 
 if test "x$au_enable_default" = xyes; then
   case "$target" in
-  *-*-linux*|*-*-freebsd*)
+  *-*-linux*|*-*-freebsd*|*-*-dragonfly*)
     au_enable_oss=yes
     ;;
   *-*-bsdi2.0)
@@ -12619,7 +12623,7 @@ if test "x$au_enable_oss" = xyes; then
 echo "${ECHO_T}yes - <sys/soundcard.h>" >&6
   else
     case "$target" in
-      *linux*|*freebsd*)
+      *linux*|*freebsd*|*dragonfly*)
                 echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
         ;;