Index: head/math/xtensor/Makefile
===================================================================
--- head/math/xtensor/Makefile	(revision 465438)
+++ head/math/xtensor/Makefile	(revision 465439)
@@ -1,32 +1,32 @@
 # $FreeBSD$
 
 PORTNAME=	xtensor
-DISTVERSION=	0.15.5
+DISTVERSION=	0.15.6
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Multi-dimensional arrays with broadcasting and lazy computing
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 TEST_DEPENDS=	googletest>0:devel/googletest
 
 USES=		cmake
 USE_GITHUB=	yes
 GH_ACCOUNT=	QuantStack
 GH_TUPLE=	QuantStack:xtl:0.4.4:xtl/xtl
 NO_BUILD=	yes
 NO_ARCH=	yes
 
 post-install:
 	cd ${WRKSRC}/xtl/include && ${COPYTREE_SHARE} xtl ${STAGEDIR}${PREFIX}/include
 
 do-test:
 	@${RLN} ${STAGEDIR}${PREFIX}/include ${WRKSRC}/test/staged-include
 	@cd ${WRKSRC}/test && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} . && \
 		${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} && \
 		${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} xtest
 
 .include <bsd.port.mk>
Index: head/math/xtensor/distinfo
===================================================================
--- head/math/xtensor/distinfo	(revision 465438)
+++ head/math/xtensor/distinfo	(revision 465439)
@@ -1,5 +1,5 @@
-TIMESTAMP = 1520992858
-SHA256 (QuantStack-xtensor-0.15.5_GH0.tar.gz) = 1618ed8d6a4627323408115a9d85ad91390bb7fc1ee2299da84f28f9786214cf
-SIZE (QuantStack-xtensor-0.15.5_GH0.tar.gz) = 706459
+TIMESTAMP = 1521881278
+SHA256 (QuantStack-xtensor-0.15.6_GH0.tar.gz) = 5a059ec8a8d4d1c173d7c56aea46b33d59988571fa77abca07b0269f2e0e4d77
+SIZE (QuantStack-xtensor-0.15.6_GH0.tar.gz) = 715251
 SHA256 (QuantStack-xtl-0.4.4_GH0.tar.gz) = 2e24ae1e990b36c21134ee8b2017e4d8f1aa760ba0e62e57c9de8f6339052f7f
 SIZE (QuantStack-xtl-0.4.4_GH0.tar.gz) = 80592