Index: head/graphics/alembic/Makefile
===================================================================
--- head/graphics/alembic/Makefile	(revision 418961)
+++ head/graphics/alembic/Makefile	(revision 418962)
@@ -1,32 +1,37 @@
 # Created by: Alexey Dokuchaev <danfe@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	alembic
 PORTVERSION=	1.5.8
 PORTREVISION=	1
 CATEGORIES=	graphics
 
 MAINTAINER=	danfe@FreeBSD.org
 COMMENT=	Open framework for storing and sharing graphic scene data
 
 LICENSE=	BSD3CLAUSE
 
 LIB_DEPENDS=	libboost_thread.so:devel/boost-libs \
 		libImath-2_2.so:graphics/ilmbase \
 		libhdf5.so:science/hdf5
 
 BROKEN_FreeBSD_9=	does not build (insufficient C++11 support)
 
 USE_GITHUB=	yes
 
 USES=		cmake compiler:c++11-lang
 USE_CXXSTD=	c++11
 USE_GL=		glew glut
 
 CMAKE_ARGS=	-DBUILD_SHARED_LIBS:BOOL=ON -DUSE_PYALEMBIC:BOOL=OFF
 
+# Alembic < 1.6.0's AlembicHDF5.cmake sets HDF5_ROOT to a bogus value if one is
+# not specified, and this confuses CMake >= 3.6.0 which started honoring
+# HDF5_ROOT more thoroughly.
+CMAKE_ARGS+=	-DHDF5_ROOT:PATH="${LOCALBASE}"
+
 post-patch:
 	@${REINPLACE_CMD} -e 's,H5Rdereference,&1,' \
 		${WRKSRC}/lib/Alembic/AbcCoreHDF5/HDF5Util.cpp
 
 .include <bsd.port.mk>
Index: head/graphics/alembic/files/patch-build_AlembicHDF5.cmake
===================================================================
--- head/graphics/alembic/files/patch-build_AlembicHDF5.cmake	(nonexistent)
+++ head/graphics/alembic/files/patch-build_AlembicHDF5.cmake	(revision 418962)
@@ -0,0 +1,17 @@
+Required by CMake >= 3.6.0, which properly separates HDF5_LIBRARIES (libraries
+for the requested language bindings) and HDF5_HL_LIBRARIES (high-level
+libraries for the requested language bindings).
+
+This patch can be removed when Alembic is updated to 1.6.0 or later, which
+drops the usage of HDF5's high-level libraries.
+--- build/AlembicHDF5.cmake.orig	2016-07-23 11:57:11 UTC
++++ build/AlembicHDF5.cmake
+@@ -87,7 +87,7 @@ IF( HDF5_FOUND )
+   ENDIF()
+   SET( ALEMBIC_HDF5_LIB ${HDF5_C_LIBRARIES} )
+   SET( ALEMBIC_HDF5_HL_LIB ${HDF5_CXX_LIBRARIES} )
+-  SET( ALEMBIC_HDF5_LIBS ${HDF5_LIBRARIES} )
++  SET( ALEMBIC_HDF5_LIBS ${HDF5_LIBRARIES} ${HDF5_HL_LIBRARIES} )
+   SET( ALEMBIC_HDF5_FOUND TRUE )
+ 
+   MESSAGE(STATUS "HDF5 INCLUDE PATH: ${ALEMBIC_HDF5_INCLUDE_PATH}" )

Property changes on: head/graphics/alembic/files/patch-build_AlembicHDF5.cmake
___________________________________________________________________
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+yes
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+native
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