Index: head/math/exprtk/Makefile
===================================================================
--- head/math/exprtk/Makefile	(revision 511150)
+++ head/math/exprtk/Makefile	(revision 511151)
@@ -1,24 +1,27 @@
 # $FreeBSD$
 
 PORTNAME=	exprtk
-DISTVERSION=	g20190630
+DISTVERSION=	g20190717
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ mathematical expression library
 
 LICENSE=	MIT
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	ArashPartow
-GH_TAGNAME=	7ccb123
+GH_TAGNAME=	6f0a967
 
 NO_BUILD=	yes
 NO_ARCH=	yes
 
 PLIST_FILES=	include/exprtk.hpp
 
 do-install:
 	${INSTALL_DATA} ${WRKSRC}/exprtk.hpp ${STAGEDIR}${PREFIX}/include
+
+benchmark:
+	cd ${WRKSRC} && ${MAKE_ENV} ${MAKE} ${MAKE_ARGS} pgo
 
 .include <bsd.port.mk>
Index: head/math/exprtk/distinfo
===================================================================
--- head/math/exprtk/distinfo	(revision 511150)
+++ head/math/exprtk/distinfo	(revision 511151)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1563763240
-SHA256 (ArashPartow-exprtk-g20190630-7ccb123_GH0.tar.gz) = a86b5a80b22ec44bf4196228209e9fd2c92a471254e9216feb752723a5174bdb
-SIZE (ArashPartow-exprtk-g20190630-7ccb123_GH0.tar.gz) = 1313655
+TIMESTAMP = 1567643872
+SHA256 (ArashPartow-exprtk-g20190717-6f0a967_GH0.tar.gz) = 7adfc227edd7d4f176ee23bbf355a6a46505e1ee3c3b6fcfb43b6a3331db1a62
+SIZE (ArashPartow-exprtk-g20190717-6f0a967_GH0.tar.gz) = 1316372