Index: head/security/masscan/Makefile
===================================================================
--- head/security/masscan/Makefile
+++ head/security/masscan/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	masscan
-PORTVERSION=	1.0.3
+PORTVERSION=	1.0.4
 CATEGORIES=	security
 
 MAINTAINER=	taguchi.ch@gmail.com
@@ -21,10 +21,13 @@
 
 PLIST_FILES=	bin/masscan man/man8/masscan.8.gz
 
-pre-build:
-	@${REINPLACE_CMD} -e "s|SYS :=|SYS ?=|"\
-	-e "s|describe --tags|describe --tags 2> /dev/null|" ${WRKSRC}/Makefile
+.include <bsd.port.pre.mk>
 
+.if ${OPSYS} == FreeBSD && ${OSVERSION} < 1100000
+BUILD_DEPENDS+=	clang38:lang/clang38
+CC=	clang38
+.endif
+
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/bin/masscan ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/doc/masscan.8 ${STAGEDIR}${MANPREFIX}/man/man8
@@ -32,4 +35,4 @@
 regression-test: build
 	${WRKSRC}/bin/masscan --selftest
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>
Index: head/security/masscan/distinfo
===================================================================
--- head/security/masscan/distinfo
+++ head/security/masscan/distinfo
@@ -1,2 +1,3 @@
-SHA256 (robertdavidgraham-masscan-1.0.3_GH0.tar.gz) = 331edd529df1904bcbcfb43029ced7e2dafe1744841e74cd9fc9f440b8301085
-SIZE (robertdavidgraham-masscan-1.0.3_GH0.tar.gz) = 333393
+TIMESTAMP = 1497024027
+SHA256 (robertdavidgraham-masscan-1.0.4_GH0.tar.gz) = 51de345f677f46595fc3bd747bfb61bc9ff130adcbec48f3401f8057c8702af9
+SIZE (robertdavidgraham-masscan-1.0.4_GH0.tar.gz) = 343513
Index: head/security/masscan/files/patch-src_smack1.c
===================================================================
--- head/security/masscan/files/patch-src_smack1.c
+++ head/security/masscan/files/patch-src_smack1.c
@@ -0,0 +1,11 @@
+--- src/smack1.c.orig	2017-06-06 03:59:39 UTC
++++ src/smack1.c
+@@ -115,6 +115,8 @@
+ #include "pixie-timer.h"
+ #if defined(_MSC_VER)
+ #include <intrin.h>
++#elif defined(__llvm__)
++#include <x86intrin.h>
+ #elif defined(__GNUC__)
+ static __inline__ unsigned long long __rdtsc(void)
+ {