diff --git a/README b/README
index 75144bdb..6a5637fb 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-DOSBox v0.71
+DOSBox v0.72
 
 
 =====
diff --git a/VERSION b/VERSION
index a55c553f..b214dd99 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.71
+0.72
diff --git a/configure.in b/configure.in
index 209c1979..d12e026f 100644
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,5 @@
 dnl Init.
-AC_INIT(dosbox,0.71)
+AC_INIT(dosbox,0.72)
 AC_PREREQ(2.50)
 AC_CONFIG_SRCDIR(README)
 
@@ -405,13 +405,19 @@ case "$target" in
        dnl For now I am lazy and do not add proper detection code.
        AC_DEFINE(MACOSX, 1, [Compiling on Mac OS X])
        LIBS="$LIBS -framework AudioUnit"
+       AC_DEFINE(C_DIRECTSERIAL, 1, [ Define to 1 if you want serial passthrough support (Win32, Posix and OS/2).])
        ;;
     *-*-linux*)
        AC_DEFINE(LINUX, 1, [Compiling on GNU/Linux])
        AC_DEFINE(C_DIRECTSERIAL, 1, [ Define to 1 if you want serial passthrough support (Win32, Posix and OS/2).])
        ;;
     *-*-freebsd* | *-*-dragonfly* | *-*-netbsd* | *-*-openbsd*)
-       AC_DEFINE(C_DIRECTSERIAL, 1, [ Define to 1 if you want serial passthrough support (Win32, Posix and OS/2).])
+       dnl Disabled directserial for now. It doesn't do anything without
+       dnl specifying an extra ifdef in directserial_posix.*
+       dnl directserial detection should be rewritten to test for the needed
+       dnl functions and headers. I currently do not know 
+       dnl which ones are needed for BSD
+       dnl       AC_DEFINE(C_DIRECTSERIAL, 1, [ Define to 1 if you want serial passthrough support (Win32, Posix and OS/2).])
        ;;
     *-*-os2-emx*)
        AC_DEFINE(OS2, 1, [Compiling on OS/2 EMX])
diff --git a/src/hardware/serialport/directserial_posix.cpp b/src/hardware/serialport/directserial_posix.cpp
index 58f2d0bc..5b6c9db4 100644
--- a/src/hardware/serialport/directserial_posix.cpp
+++ b/src/hardware/serialport/directserial_posix.cpp
@@ -16,14 +16,14 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
-/* $Id: directserial_posix.cpp,v 1.1 2007-01-13 08:35:49 qbix79 Exp $ */
+/* $Id: directserial_posix.cpp,v 1.2 2007-08-26 17:19:46 qbix79 Exp $ */
 
 #include "dosbox.h"
 
 #if C_DIRECTSERIAL
 
 // Posix version
-#if defined (LINUX)
+#if defined (LINUX) || defined (MACOSX)
 
 #include "serialport.h"
 #include "directserial_posix.h"
@@ -44,7 +44,7 @@ CDirectSerial::CDirectSerial (Bitu id, CommandLine* cmd)
 	InstallationSuccessful = false;
 
 	rx_retry = 0;
-    rx_retry_max = 0;
+	rx_retry_max = 0;
 
 	std::string prefix="/dev/";
 	std::string tmpstring;
diff --git a/src/hardware/serialport/directserial_posix.h b/src/hardware/serialport/directserial_posix.h
index f57102a2..93c7d6a3 100644
--- a/src/hardware/serialport/directserial_posix.h
+++ b/src/hardware/serialport/directserial_posix.h
@@ -16,7 +16,7 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
-/* $Id: directserial_posix.h,v 1.1 2007-01-13 08:35:49 qbix79 Exp $ */
+/* $Id: directserial_posix.h,v 1.2 2007-08-26 17:19:46 qbix79 Exp $ */
 
 // include guard
 #ifndef DOSBOX_DIRECTSERIAL_POSIX_H
@@ -25,7 +25,7 @@
 #include "dosbox.h"
 
 #if C_DIRECTSERIAL
-#ifdef LINUX
+#if defined (LINUX) || defined (MACOSX)
 
 
 
diff --git a/src/platform/visualc/config.h b/src/platform/visualc/config.h
index 9694796d..630e8b5f 100644
--- a/src/platform/visualc/config.h
+++ b/src/platform/visualc/config.h
@@ -1,6 +1,6 @@
 #define INLINE __forceinline
 
-#define VERSION "0.71"
+#define VERSION "0.72"
 
 
 /* Define to 1 to enable internal debugger, requires libcurses */