diff --git a/net/cap/Makefile b/net/cap/Makefile
index 88fffda1d166..c13889ec0eec 100644
--- a/net/cap/Makefile
+++ b/net/cap/Makefile
@@ -7,6 +7,7 @@
 
 PORTNAME=	cap
 PORTVERSION=	6.0.198
+PORTREVISION=	1
 CATEGORIES=	net
 MASTER_SITES=	ftp://ftp-ns.rutgers.edu/pub/cap/ \
 		ftp://ftp-ns.rutgers.edu/pub/cap/cap.patches/ \
@@ -31,6 +32,8 @@ DIST_SUBDIR=	cap60
 ALL_TARGET=	libsmade dummy-libinstall programs
 INSTALL_TARGET=	include libinstall install
 
+CFLAGS+=	-traditional-cpp -DUSESTRINGDOTH
+
 USE_REINPLACE=	YES
 
 MAN1=		AUFS.1 ash.1 atlook.1 atprint.1 cvt2apple.1 getzones.1 \
diff --git a/net/cap/files/patch-applications-aufs-afpos.c b/net/cap/files/patch-applications-aufs-afpos.c
new file mode 100644
index 000000000000..7d5e440dd368
--- /dev/null
+++ b/net/cap/files/patch-applications-aufs-afpos.c
@@ -0,0 +1,11 @@
+--- applications/aufs/afpos.c.orig	Wed Feb  5 17:48:07 2003
++++ applications/aufs/afpos.c	Wed Feb  5 17:48:45 2003
+@@ -4776,7 +4776,7 @@
+ #if !(defined(__FreeBSD__) || defined(__NetBSD__))
+   extern char *sys_errlist[];
+ #endif
+-  extern int sys_nerr;
++  extern __const int sys_nerr;
+   static char buf[50];
+   int serrno;
+