According to an unreliable source, when _POSIX_MEMLOCK is defined

as -1, that means it is "never available."

audio/pd/Makefile

@@ -17,12 +17,6 @@ COMMENT=	Pure Data, a MIDI-capable real-time audio processor/synthesizer
 LIB_DEPENDS=	tcl83:${PORTSDIR}/lang/tcl83 \
 		tk83:${PORTSDIR}/x11-toolkits/tk83
 
-.include <bsd.port.pre.mk>
-
-.if ${OSVERSION} >= 500113
-BROKEN=         "Does not compile"
-.endif
-
 GNU_CONFIGURE=	yes
 CONFIGURE_ENV=	CFLAGS="${CFLAGS} ${PTHREAD_CFLAGS}" \
 		LIBS="${PTHREAD_LIBS} -L${LOCALBASE}/lib -ltk83 -ltcl83"
@@ -92,4 +86,4 @@ do-install:
 	${MKDIR} ${DATADIR}
 	cd ${WRKSRC}/../extra && pax -r -w * ${DATADIR}
 
-.include <bsd.port.post.mk>
+.include <bsd.port.mk>

audio/pd/files/patch-src_s_freebsd.c

@@ -1,5 +1,7 @@
---- src/s_freebsd.c.orig	Sun Oct 20 02:49:11 2002
-+++ src/s_freebsd.c	Sun Oct 20 02:53:24 2002
+$FreeBSD$
+
+--- src/s_freebsd.c.orig	Fri May 23 00:52:34 2003
++++ src/s_freebsd.c	Fri May 23 01:01:59 2003
 @@ -32,7 +32,8 @@
   * 1311:forum::für::umläute:2001
   */
@@ -10,7 +12,18 @@
  
  #if (defined(ALSA01) || defined(ALSA99))
  #define ALSA
-@@ -865,7 +866,8 @@
+@@ -762,8 +762,10 @@
+ #endif
+ 
+ #ifdef _POSIX_MEMLOCK
++#if _POSIX_MEMLOCK != -1
+     if (mlockall(MCL_FUTURE) != -1) 
+     	fprintf(stderr, "memory locking enabled.\n");
++#endif
+ #endif
+ }
+ 
+@@ -865,7 +868,8 @@
      }
      else
      {
@@ -20,7 +33,7 @@
  	dev->d_bytespersamp = 2;
      }
      param = wantformat;
-@@ -2747,7 +2749,7 @@
+@@ -2747,7 +2751,7 @@
  
    /* use ctrlpanel to change, experiment, channels 1 */