Add a package: dmlc/mxnet. (#3579)

* Add dmlc/mxnet packags.

* Build mxnet+cuda+opencv with GCC-4.8.5 and GCC-5.4.0.

* Build mxnet version 0.10.0, 0.10.0.post1 and 0.10.0.post2.

* Add component version constrain for mxnet 0.10.0.x .

* Go through flake8.

* Replace commit hash with commit date as package version.

* Go throught Travis-CI.

* Update submodule version for 0.10.0.post2.

* Add openmp variant for dmlc-core and mxnet.

* Refine variant handling.

* Fix filter_file for dmlc-core.

* Cut long strings into multiple lies due to PEP8 requirements.

* Fix for PEP8.

* Add CUB_INCLUDE.

* Add py-mxnet: Python binding for MXNet.

* Remove distutils.dir_util.

* Add the profiler variant for mxnet.

* Add a shared variant for nnvm.

* Set USE_OPENMP to OFF by default.

* Fix flake8 errors.

* Fix flake8 issues.

* flake8 issues again.

11 files changed, 573 insertions, 0 deletions

diff --git a/var/spack/repos/builtin/packages/dlpack/package.py b/var/spack/repos/builtin/packages/dlpack/package.py
new file mode 100644
index 0000000000..cca9b36918
--- /dev/null
+++ b/var/spack/repos/builtin/packages/dlpack/package.py
@@ -0,0 +1,37 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class Dlpack(Package):
+    """DLPack is an RFC for common tensor and operator guidelines
+    in deep learning systems."""
+
+    homepage = "https://github.com/sjtuhpcc/dlpack"
+
+    version('master', git='https://github.com/dmlc/dlpack.git', branch='master')
+
+    def install(self, spec, prefix):
+        install_tree('include', prefix.include)
diff --git a/var/spack/repos/builtin/packages/dmlc-core/cmake.patch b/var/spack/repos/builtin/packages/dmlc-core/cmake.patch
new file mode 100644
index 0000000000..4bb41eee24
--- /dev/null
+++ b/var/spack/repos/builtin/packages/dmlc-core/cmake.patch
@@ -0,0 +1,21 @@
+From 82f2bde92e1f1bf35bdf7b93cacb0aa72d9f096b Mon Sep 17 00:00:00 2001
+From: Jianwen WEI <weijianwen@gmail.com>
+Date: Fri, 18 Aug 2017 23:16:05 +0800
+Subject: [PATCH] Patch CMakeLists.txt to install make/ dir into destination.
+
+---
+ CMakeLists.txt | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index f038dcb..ed01b82 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -134,6 +134,7 @@ endif()
+ install(TARGETS dmlc ARCHIVE DESTINATION lib LIBRARY DESTINATION lib) 
+ install(DIRECTORY include DESTINATION .)
+ install(DIRECTORY doc DESTINATION .)
++install(DIRECTORY make DESTINATION .)
+ 
+ # ---[ Linter target
+ if(MSVC)
diff --git a/var/spack/repos/builtin/packages/dmlc-core/package.py b/var/spack/repos/builtin/packages/dmlc-core/package.py
new file mode 100644
index 0000000000..0c8dcdc1d5
--- /dev/null
+++ b/var/spack/repos/builtin/packages/dmlc-core/package.py
@@ -0,0 +1,57 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class DmlcCore(CMakePackage):
+    """DMLC-Core is the backbone library to support all DMLC projects,
+    offers the bricks to build efficient and scalable
+    distributed machine learning libraries."""
+
+    homepage = "https://github.com/dmlc/dmlc-core"
+    url      = "https://github.com/dmlc/dmlc-core.git"
+
+    version('master', git='https://github.com/dmlc/dmlc-core.git')
+    version('20170508', git='https://github.com/dmlc/dmlc-core.git',
+    commit='a6c5701219e635fea808d264aefc5b03c3aec314')
+
+    variant('openmp', default=False, description='Enable OpenMP support')
+
+    patch('cmake.patch')
+
+    def patch(self):
+        filter_file('export CC = gcc', '', 'make/config.mk', string=True)
+        filter_file('export CXX = g++', '', 'make/config.mk', string=True)
+        filter_file('export MPICXX = mpicxx', '',
+                    'make/config.mk', string=True)
+        filter_file(r'^USE_OPENMP\s*=.*',
+                    'USE_OPENMP=%s' % ('1' if '+openmp' in self.spec else '0'),
+                    'make/config.mk')
+
+    def cmake_args(self):
+        spec = self.spec
+        return [
+            '-DUSE_OPENMP=%s' % ('ON' if '+openmp' in spec else 'OFF'),
+        ]
diff --git a/var/spack/repos/builtin/packages/mshadow/package.py b/var/spack/repos/builtin/packages/mshadow/package.py
new file mode 100644
index 0000000000..46c94835d5
--- /dev/null
+++ b/var/spack/repos/builtin/packages/mshadow/package.py
@@ -0,0 +1,41 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class Mshadow(Package):
+    """MShadow is a lightweight CPU/GPU Matrix/Tensor C++ Template Library.
+    in C++/CUDA."""
+
+    homepage = "https://github.com/dmlc/mshadow"
+    url      = "https://github.com/dmlc/mshadow/archive/v1.1.tar.gz"
+
+    version('master', git='https://github.com/dmlc/mshadow.git', branch='master')
+    version('20170721', git='https://github.com/dmlc/mshadow.git',
+            commit='20b54f068c1035f0319fa5e5bbfb129c450a5256')
+
+    def install(self, spec, prefix):
+        install_tree('mshadow', prefix.include.mshadow)
+        install_tree('make', prefix.make)
diff --git a/var/spack/repos/builtin/packages/mxnet/makefile.patch b/var/spack/repos/builtin/packages/mxnet/makefile.patch
new file mode 100644
index 0000000000..ceebe21447
--- /dev/null
+++ b/var/spack/repos/builtin/packages/mxnet/makefile.patch
@@ -0,0 +1,81 @@
+From 22b64127d7acc9c255b007e120e2a721f4e136d2 Mon Sep 17 00:00:00 2001
+From: Jianwen WEI <weijianwen@gmail.com>
+Date: Fri, 18 Aug 2017 23:32:16 +0800
+Subject: [PATCH] Enable customize CUB MSHADOW PSLITE CUDA paths.
+
+---
+ Makefile | 26 +++++++++++++++++++++-----
+ 1 file changed, 21 insertions(+), 5 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index c71cb13..a53d072 100644
+--- a/Makefile
++++ b/Makefile
+@@ -14,6 +14,19 @@ ifndef DMLC_CORE
+ 	DMLC_CORE = $(ROOTDIR)/dmlc-core
+ endif
+ 
++ifndef MSHADOW_PATH
++	MSHADOW_PATH = $(ROOTDIR)/mshadow
++endif
++ifneq ("$(wildcard $(MSHADOW_PATH)/include/mshadow/base.h)","")
++MSHADOW_INC = $(MSHADOW_PATH)/include
++else
++MSHADOW_INC = $(MSHADOW_PATH)
++endif
++
++ifndef PS_PATH
++	PS_PATH = $(ROOTDIR)/ps-lite
++endif
++
+ ifndef NNVM_PATH
+ 	NNVM_PATH = $(ROOTDIR)/nnvm
+ endif
+@@ -32,7 +45,7 @@ ifeq ($(USE_MKL2017), 1)
+ 	export USE_MKLML = $(lastword $(RETURN_STRING))
+ endif
+ 
+-include mshadow/make/mshadow.mk
++include $(MSHADOW_PATH)/make/mshadow.mk
+ include $(DMLC_CORE)/make/dmlc.mk
+ 
+ # all tge possible warning tread
+@@ -49,7 +62,7 @@ ifeq ($(DEBUG), 1)
+ else
+ 	CFLAGS += -O3 -DNDEBUG=1
+ endif
+-CFLAGS += -I$(ROOTDIR)/mshadow/ -I$(ROOTDIR)/dmlc-core/include -fPIC -I$(NNVM_PATH)/include -Iinclude $(MSHADOW_CFLAGS)
++CFLAGS += -I$(MSHADOW_INC) -I$(DMLC_CORE)/include -fPIC -I$(NNVM_PATH)/include -Iinclude $(MSHADOW_CFLAGS)
+ LDFLAGS = -pthread $(MSHADOW_LDFLAGS) $(DMLC_LDFLAGS)
+ ifeq ($(DEBUG), 1)
+ 	NVCCFLAGS = -std=c++11 -Xcompiler -D_FORCE_INLINES -g -G -O0 -ccbin $(CXX) $(MSHADOW_NVCCFLAGS)
+@@ -125,8 +138,11 @@ ifneq ($(USE_CUDA_PATH), NONE)
+ 	NVCC=$(USE_CUDA_PATH)/bin/nvcc
+ endif
+ 
++ifndef CUB_INCLUDE
++	CUB_PATH = $(ROOTDIR)/cub
++endif
++
+ # ps-lite
+-PS_PATH=$(ROOTDIR)/ps-lite
+ DEPS_PATH=$(shell pwd)/deps
+ include $(PS_PATH)/make/ps.mk
+ ifeq ($(USE_DIST_KVSTORE), 1)
+@@ -181,11 +197,11 @@ else
+ endif
+ 
+ # all dep
+-LIB_DEP += $(DMLC_CORE)/libdmlc.a $(NNVM_PATH)/lib/libnnvm.a
++LIB_DEP += $(DMLC_CORE)/lib/libdmlc.a $(NNVM_PATH)/lib/libnnvm.a
+ ALL_DEP = $(OBJ) $(EXTRA_OBJ) $(PLUGIN_OBJ) $(LIB_DEP)
+ 
+ ifeq ($(USE_CUDA), 1)
+-	CFLAGS += -I$(ROOTDIR)/cub
++	CFLAGS += -I$(CUB_INCLUDE) -I$(USE_CUDA_PATH)/include -I$(CUDNN_PATH)/include
+ 	ALL_DEP += $(CUOBJ) $(EXTRA_CUOBJ) $(PLUGIN_CUOBJ)
+ 	LDFLAGS += -lcuda -lcufft
+ 	SCALA_PKG_PROFILE := $(SCALA_PKG_PROFILE)-gpu
+-- 
+1.8.3.1
+
diff --git a/var/spack/repos/builtin/packages/mxnet/package.py b/var/spack/repos/builtin/packages/mxnet/package.py
new file mode 100644
index 0000000000..24c9f7e859
--- /dev/null
+++ b/var/spack/repos/builtin/packages/mxnet/package.py
@@ -0,0 +1,101 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class Mxnet(MakefilePackage):
+    """MXNet is a deep learning framework
+    designed for both efficiency and flexibility."""
+
+    homepage = "http://mxnet.io"
+    url      = "https://github.com/apache/incubator-mxnet/archive/0.10.0.post2.tar.gz"
+
+    version('0.10.0.post2',  '7819d511cf4a6efad681e6662fa966e4',
+            url="https://github.com/apache/incubator-mxnet/archive/0.10.0.post2.tar.gz")
+    version('0.10.0.post1',  '16d540f407cd22285555b3ab22040032',
+            url="https://github.com/apache/incubator-mxnet/archive/v0.10.0.post1.tar.gz")
+    version('0.10.0', '2d0c83c33eda729932d620cca3078826',
+            url="https://github.com/apache/incubator-mxnet/archive/v0.10.0.tar.gz")
+
+    variant('cuda', default=False, description='Enable CUDA support')
+    variant('opencv', default=True, description='Enable OpenCV support')
+    variant('openmp', default=False, description='Enable OpenMP support')
+    variant('profiler', default=False, description='Enable Profiler (for verification and debug only).')
+
+    depends_on('dmlc-core@20170508')
+    depends_on('dmlc-core+openmp', when='+openmp')
+    depends_on('dmlc-core~openmp', when='~openmp')
+    depends_on('mshadow@20170721')
+    depends_on('ps-lite@20170328')
+    depends_on('nnvm~shared@20170418')
+    depends_on('openblas')
+    depends_on('cudnn', when='+cuda')
+    depends_on('cudnn', when='+cuda')
+    depends_on('cub', when='+cuda')
+    depends_on('opencv+core+imgproc+highgui+jpeg+png+tiff~eigen~ipp@3.0:', when='+opencv')
+
+    patch('makefile.patch', when='@0.10:0.11')
+
+    def build(self, spec, prefix):
+        filter_file('export CC = gcc', '', 'make/config.mk', string=True)
+        filter_file('export CXX = g++', '', 'make/config.mk', string=True)
+
+        args = [
+            'CC=%s' % self.compiler.cc,
+            'CXX=%s' % self.compiler.cxx,
+            'DMLC_CORE=%s' % spec['dmlc-core'].prefix,
+            'MSHADOW_PATH=%s' % spec['mshadow'].prefix,
+            'PS_PATH=%s' % spec['ps-lite'].prefix,
+            'NNVM_PATH=%s' % spec['nnvm'].prefix,
+            'USE_OPENMP=%s' % ('1' if '+openmp' in spec else '0'),
+            'USE_CUDA=%s' % ('1' if '+cuda' in spec else '0'),
+            'USE_CUDNN=%s' % ('1' if '+cuda' in spec else '0'),
+            'CUB_INCLUDE=%s' % spec['cub'].prefix.include,
+            'USE_OPENCV=%s' % ('1' if '+opencv' in spec else '0'),
+            'USE_PROFILER=%s' % ('1' if '+profiler' in spec else '0'),
+        ]
+
+        if '+opencv' in spec:
+            filter_file('$(shell pkg-config --cflags opencv)',
+                        '-I%s' % spec['opencv'].prefix.include,
+                        'Makefile', string=True)
+            filter_file('$(filter-out -lopencv_ts, '
+                        '$(shell pkg-config --libs opencv))',
+                        '-lopencv_core -lopencv_imgproc -lopencv_imgcodecs',
+                        'Makefile', string=True)
+
+        # TODO: Add more BLAS support
+        args.append('USE_BLAS=openblas')
+
+        if '+cuda' in spec:
+            args.extend(['USE_CUDA_PATH=%s' % spec['cuda'].prefix,
+                         'CUDNN_PATH=%s' % spec['cudnn'].prefix])
+
+        make(*args)
+
+    def install(self, spec, prefix):
+        install_tree('include', prefix.include)
+        install_tree('lib', prefix.lib)
+        install_tree('bin', prefix.bin)
diff --git a/var/spack/repos/builtin/packages/nnvm/cmake.patch b/var/spack/repos/builtin/packages/nnvm/cmake.patch
new file mode 100644
index 0000000000..814a45c83d
--- /dev/null
+++ b/var/spack/repos/builtin/packages/nnvm/cmake.patch
@@ -0,0 +1,63 @@
+From e75004208ea98cea0bb2ad9b5f18a59cf6814333 Mon Sep 17 00:00:00 2001
+From: Jianwen WEI <weijianwen@gmail.com>
+Date: Mon, 11 Sep 2017 00:26:24 +0800
+Subject: [PATCH] Install nnvm lib and haders. Offer choice to build static or
+ shared lib.
+
+---
+ CMakeLists.txt | 25 +++++++++++++++++++++++--
+ 1 file changed, 23 insertions(+), 2 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index d40deb5..aac0531 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -17,6 +17,10 @@ set(nnvm_LINKER_LIBS "")
+ 
+ add_definitions(-DNNVM_EXPORTS)
+ 
++# Build a shared lib (libnnvm.so) by default
++option(USE_SHARED_NNVM "Build a shared nnvm lib" ON)            
++option(USE_STATIC_NNVM "Build a static nnvm lib" OFF)
++
+ # compile
+ if(MSVC)
+   add_definitions(-DDMLC_USE_CXX11)
+@@ -61,8 +65,15 @@ elseif(DMLC_CORE_PATH)
+   include_directories(${DMLC_CORE_PATH}/include)
+ endif()
+ 
+-add_library(nnvm SHARED ${SOURCE})
+-target_link_libraries(nnvm ${nnvm_LINKER_LIBS})
++if(USE_SHARED_NNVM)
++  add_library(nnvm SHARED ${SOURCE})
++  target_link_libraries(nnvm ${nnvm_LINKER_LIBS})
++endif()
++if(USE_STATIC_NNVM)
++  add_library(nnvm_static STATIC ${SOURCE})
++  target_link_libraries(nnvm_static ${nnvm_LINKER_LIBS})
++  set_target_properties(nnvm_static PROPERTIES OUTPUT_NAME "nnvm")
++endif()
+ 
+ if(INSTALL_INCLUDE_DIR)
+   add_custom_command(TARGET nnvm POST_BUILD
+@@ -71,6 +82,16 @@ if(INSTALL_INCLUDE_DIR)
+     )
+ endif()
+ 
++# ---[ Install lib, header and docs
++if(USE_SHARED_NNVM)
++  install(TARGETS nnvm LIBRARY DESTINATION lib) 
++endif()
++if(USE_STATIC_NNVM)
++  install(TARGETS nnvm_static ARCHIVE DESTINATION lib) 
++endif()
++install(DIRECTORY include DESTINATION .)
++install(DIRECTORY docs DESTINATION .)
++
+ # ---[ Linter target
+ if(MSVC)
+   find_package(PythonInterp 2)
+-- 
+1.8.3.1
+
diff --git a/var/spack/repos/builtin/packages/nnvm/package.py b/var/spack/repos/builtin/packages/nnvm/package.py
new file mode 100644
index 0000000000..6cbe7cdccc
--- /dev/null
+++ b/var/spack/repos/builtin/packages/nnvm/package.py
@@ -0,0 +1,50 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class Nnvm(CMakePackage):
+    """nnvm is a modular, decentralized and lightweight
+    part to help build deep learning libraries."""
+
+    homepage = "https://github.com/dmlc/nnvm"
+    url      = "https://github.com/dmlc/nnvm.git"
+
+    version('master', git='https://github.com/dmlc/nnvm.git', branch='master')
+    version('20170418', git='https://github.com/dmlc/nnvm.git',
+            commit='b279286304ac954098d94a2695bca599e832effb')
+
+    variant('shared', default=True, description='Build a shared NNVM lib.')
+
+    depends_on('dmlc-core')
+
+    patch('cmake.patch')
+
+    def cmake_args(self):
+        spec = self.spec
+        return [
+            '-DUSE_SHARED_NNVM=%s' % ('ON' if '+shared' in spec else 'OFF'),
+            '-DUSE_STATIC_NNVM=%s' % ('ON' if '~shared' in spec else 'OFF'),
+        ]
diff --git a/var/spack/repos/builtin/packages/ps-lite/cmake.patch b/var/spack/repos/builtin/packages/ps-lite/cmake.patch
new file mode 100644
index 0000000000..246a8d820c
--- /dev/null
+++ b/var/spack/repos/builtin/packages/ps-lite/cmake.patch
@@ -0,0 +1,22 @@
+From b787a6413d6d54c46db476176656fec108c57527 Mon Sep 17 00:00:00 2001
+From: Jianwen WEI <weijianwen@gmail.com>
+Date: Wed, 5 Apr 2017 19:53:51 +0800
+Subject: [PATCH] Add install() for ps-lite in CMake.
+
+---
+ CMakeLists.txt | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index e5d13d0..d68491c 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -63,3 +63,8 @@ set(pslite_LINKER_LIBS ${pslite_LINKER_LIBS_L} PARENT_SCOPE)
+ set(pslite_LINKER_LIBS_RELEASE ${pslite_LINKER_LIBS_L_RELEASE} PARENT_SCOPE)
+ set(pslite_LINKER_LIBS_DEBUG ${pslite_LINKER_LIBS_L_DEBUG} PARENT_SCOPE)
+ set(pslite_INCLUDE_DIR ${pslite_INCLUDE_DIR_L} PARENT_SCOPE)
++
++install(TARGETS pslite ARCHIVE DESTINATION lib)
++install(DIRECTORY include DESTINATION .)
++install(DIRECTORY docs DESTINATION .)
++install(DIRECTORY make DESTINATION .)
diff --git a/var/spack/repos/builtin/packages/ps-lite/package.py b/var/spack/repos/builtin/packages/ps-lite/package.py
new file mode 100644
index 0000000000..4a10f08ade
--- /dev/null
+++ b/var/spack/repos/builtin/packages/ps-lite/package.py
@@ -0,0 +1,42 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class PsLite(CMakePackage):
+    """ps-lite is A light and efficient implementation
+    of the parameter server framework."""
+
+    homepage = "https://github.com/dmlc/ps-lite"
+    url      = "https://github.com/dmlc/ps-lite.git"
+
+    version('master', git='https://github.com/dmlc/ps-lite.git', branch='master')
+    version('20170328', git='https://github.com/dmlc/ps-lite.git',
+            commit='acdb698fa3bb80929ef83bb37c705f025e119b82')
+
+    depends_on('protobuf@3:')
+    depends_on('zeromq')
+
+    patch('cmake.patch')
diff --git a/var/spack/repos/builtin/packages/py-mxnet/package.py b/var/spack/repos/builtin/packages/py-mxnet/package.py
new file mode 100644
index 0000000000..a733696e46
--- /dev/null
+++ b/var/spack/repos/builtin/packages/py-mxnet/package.py
@@ -0,0 +1,58 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class PyMxnet(PythonPackage):
+    """Python binding for DMLC/MXNet."""
+
+    homepage = "http://mxnet.io"
+    url      = "https://github.com/sjtuhpcc/python-mxnet/archive/0.10.0.post2.tar.gz"
+
+    version('0.10.0.post2', '64a646fbf5d1b53ce1008da1bf94d77c',
+            url='https://github.com/sjtuhpcc/python-mxnet/archive/0.10.0.post2.tar.gz')
+
+    # TODO
+    # install_time_test_callbacks = ['install_test', 'import_module_test']
+
+    # import_modules = ['mxnet', 'mxnet.module', 'mxnet._ctypes', 'mxnet.rnn',
+    #      		'mxnet._cy2', 'mxnet._cy3', 'mxnet.notebook', 'mxnet.contrib']
+
+    variant('cuda', default=False, description='Enable CUDA support')
+
+    depends_on('python@2.6:2.8,3.3:')
+
+    depends_on('py-setuptools', type=('build', 'run'))
+    depends_on('py-numpy@1.7.1:', type=('build', 'run'))
+    # depends_on('py-pip', type='build')
+
+    depends_on('mxnet', type=('build', 'run'))
+    depends_on('mxnet+cuda', when='+cuda', type=('build', 'run'))
+
+    def patch(self):
+        spec = self.spec
+        filter_file('../../../',
+                    spec['mxnet'].prefix.lib,
+                    'mxnet/libinfo.py', string=True)