diff -urN /usr/ports/audio/jack/Makefile audio/jack/Makefile
--- /usr/ports/audio/jack/Makefile	Wed Dec 20 13:06:12 2006
+++ audio/jack/Makefile	Wed Dec 20 13:22:23 2006
@@ -48,6 +48,11 @@
 PLIST_SUB+=	DOCS="@comment "
 .endif
 
+.if ${OSVERSION} < 500000
+CONFIGURE_ENV+=	ac_cv_func_clock_gettime=no
+CFLAGS+=	-Duintmax_t=uintptr_t
+.endif
+
 .if (${OSVERSION} > 500000 ) && (${OSVERSION} < 502102 )
 BROKEN=		Does not compile
 .endif
@@ -80,9 +85,5 @@
 
 post-build:
 	@${RM} -f ${WRKSRC}/doc/reference/html/dir__2F*
-
-.if ${OSVERSION} < 500000
-BROKEN=		Does not compile on 4.x
-.endif
 
 .include <bsd.port.post.mk>
diff -urN /usr/ports/audio/jack/files/patch-example-clients_lsp.c audio/jack/files/patch-example-clients_lsp.c
--- /usr/ports/audio/jack/files/patch-example-clients_lsp.c	Thu Jan  1 09:00:00 1970
+++ audio/jack/files/patch-example-clients_lsp.c	Thu Dec  7 16:58:57 2006
@@ -0,0 +1,14 @@
+--- example-clients/lsp.c.orig	Fri May 26 11:45:08 2006
++++ example-clients/lsp.c	Thu Dec  7 16:58:45 2006
+@@ -120,9 +120,9 @@
+ 	ports = jack_get_ports (client, NULL, NULL, 0);
+ 
+ 	for (i = 0; ports[i]; ++i) {
+-		printf ("%s\n", ports[i]);
+-
+ 		jack_port_t *port = jack_port_by_name (client, ports[i]);
++
++		printf ("%s\n", ports[i]);
+ 
+ 		if (show_con) {
+ 			if ((connections = jack_port_get_all_connections (client, jack_port_by_name(client, ports[i]))) != 0) {