Index: head/math/xtensor/Makefile
===================================================================
--- head/math/xtensor/Makefile	(revision 464445)
+++ head/math/xtensor/Makefile	(revision 464446)
@@ -1,32 +1,32 @@
 # $FreeBSD$
 
 PORTNAME=	xtensor
-DISTVERSION=	0.15.4
+DISTVERSION=	0.15.5
 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: # 1 test is known to fail: https://github.com/QuantStack/xtensor/issues/674
+do-test:
 	@${RLN} ${STAGEDIR}${PREFIX}/include ${WRKSRC}/test/staged-include
 	@cd ${WRKSRC}/test && \
 		${CMAKE_BIN} ${CMAKE_ARGS} . && \
-		${MAKE_CMD} && \
-		${MAKE_CMD} xtest
+		${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 464445)
+++ head/math/xtensor/distinfo	(revision 464446)
@@ -1,5 +1,5 @@
-TIMESTAMP = 1520842745
-SHA256 (QuantStack-xtensor-0.15.4_GH0.tar.gz) = 1383d34d79c4c579d577a502b145b458f74e1d76749d31a893beec5c6799098c
-SIZE (QuantStack-xtensor-0.15.4_GH0.tar.gz) = 702792
+TIMESTAMP = 1520992858
+SHA256 (QuantStack-xtensor-0.15.5_GH0.tar.gz) = 1618ed8d6a4627323408115a9d85ad91390bb7fc1ee2299da84f28f9786214cf
+SIZE (QuantStack-xtensor-0.15.5_GH0.tar.gz) = 706459
 SHA256 (QuantStack-xtl-0.4.4_GH0.tar.gz) = 2e24ae1e990b36c21134ee8b2017e4d8f1aa760ba0e62e57c9de8f6339052f7f
 SIZE (QuantStack-xtl-0.4.4_GH0.tar.gz) = 80592
Index: head/math/xtensor/files/patch-CMakeLists.txt
===================================================================
--- head/math/xtensor/files/patch-CMakeLists.txt	(revision 464445)
+++ head/math/xtensor/files/patch-CMakeLists.txt	(revision 464446)
@@ -1,13 +1,14 @@
---- CMakeLists.txt.orig	2018-03-12 08:10:41 UTC
+--- CMakeLists.txt.orig	2018-03-13 17:28:19 UTC
 +++ CMakeLists.txt
-@@ -28,8 +28,8 @@ message(STATUS "Building xtensor v${${PR
+@@ -28,8 +28,9 @@ message(STATUS "Building xtensor v${${PR
  # Dependencies
  # ============
  
--find_package(xtl 0.4 REQUIRED)
+-find_package(xtl 0.4.1 REQUIRED)
 -message(STATUS "Found xtl: ${xtl_INCLUDE_DIRS}/xtl")
-+#find_package(xtl 0.4 REQUIRED)
++#find_package(xtl 0.4.1 REQUIRED)
 +message(STATUS "Found xtl: xtl/include")
++
  
  # Build
  # =====
Index: head/math/xtensor/files/patch-test_CMakeLists.txt
===================================================================
--- head/math/xtensor/files/patch-test_CMakeLists.txt	(revision 464445)
+++ head/math/xtensor/files/patch-test_CMakeLists.txt	(revision 464446)
@@ -1,29 +1,39 @@
---- test/CMakeLists.txt.orig	2018-02-16 23:52:29 UTC
+--- test/CMakeLists.txt.orig	2018-03-13 17:07:19 UTC
 +++ test/CMakeLists.txt
-@@ -8,12 +8,12 @@
+@@ -8,12 +8,13 @@
  
  cmake_minimum_required(VERSION 3.1)
  
 -if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
 -    project(xtensor-test)
 +#if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
 +    #project(xtensor-test)
  
 -    find_package(xtensor REQUIRED CONFIG)
 -    set(XTENSOR_INCLUDE_DIR ${xtensor_INCLUDE_DIRS})
 -endif ()
 +    #find_package(xtensor REQUIRED CONFIG)
++    #set(XTENSOR_INCLUDE_DIR ${xtensor_INCLUDE_DIRS})
 +    include_directories(staged-include)
 +#endif ()
  
  message(STATUS "Forcing tests build type to Release")
  set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
-@@ -156,7 +156,7 @@ add_executable(${XTENSOR_TARGET} ${XTENS
+@@ -158,7 +158,7 @@ endforeach()
+ foreach(filename IN LISTS XTENSOR_TESTS)
+     string(REPLACE ".cpp" "" targetname ${filename})
+     add_executable(${targetname} ${COMMON_BASE} ${filename} ${XTENSOR_HEADERS})
+-    target_link_libraries(${targetname} xtensor ${GTEST_BOTH_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
++    target_link_libraries(${targetname} ${GTEST_BOTH_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
+     if(DOWNLOAD_GTEST OR GTEST_SRC_DIR)
+         add_dependencies(${targetname} gtest_main)
+     endif()
+@@ -169,7 +169,7 @@ add_executable(${XTENSOR_TARGET} ${COMMO
  if(DOWNLOAD_GTEST OR GTEST_SRC_DIR)
      add_dependencies(${XTENSOR_TARGET} gtest_main)
  endif()
 -target_link_libraries(${XTENSOR_TARGET} xtensor ${GTEST_BOTH_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
 +target_link_libraries(${XTENSOR_TARGET} ${GTEST_BOTH_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
  
- add_custom_target(xtest COMMAND test_xtensor DEPENDS ${XTENSOR_TARGET})
+ add_custom_target(xtest COMMAND ${XTENSOR_TARGET} DEPENDS ${XTENSOR_TARGET})