here is a wished patch for sysutil/fam.

In Makefile add CPPFLAGS.SunOS= -DSunOS and change the 
#ifdef __SUNPRO_CC to #ifdef SunOS in src/RPC_TCP_Connector.c++,
because the Sun <rpc/pmap_prot.h> is buggy for any c++ compiler:
 
--- /usr/pkgsrc/sysutils/fam/Makefile.orig   Wed Aug 10 22:57:56 2005
+++ /usr/pkgsrc/sysutils/fam/Makefile        Tue Aug 30 12:10:55 2005
@@ -60,6 +60,7 @@
 
 CPPFLAGS.Darwin+=      -DNDEBUG
 LDFLAGS.SunOS+=                -lsocket -lnsl
+CPPFLAGS.SunOS+=       -DSunOS
 
 .if ${OPSYS} == "SunOS"
 SUBST_CLASSES+=                sunfix dirent
 
 
 --------------------------------------------------------------------------
 
--- src/RPC_TCP_Connector.c++.orig      Sat Jan 18 15:18:12 2003
+++ src/RPC_TCP_Connector.c++   Tue Aug 30 12:07:32 2005
@@ -21,11 +21,23 @@
 //  Temple Place - Suite 330, Boston MA 02111-1307, USA.
 
 #include "RPC_TCP_Connector.h"
+#include "config.h"
 
+#define PORTMAP
+
 #include <errno.h>
+#ifdef SunOS
+extern "C" {
+#endif
 #include <rpc/rpc.h>
 #include <rpc/pmap_prot.h>
+#ifdef SunOS
+}
+#endif
 #include <sys/ioctl.h>
+#ifdef HAVE_SYS_FILIO_H
+#include <sys/filio.h>
+#endif
 #include <sys/socket.h>
 #include <unistd.h>
 #include <string.h>