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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.0.2)
# workaround to store CMAKE_CROSSCOMPILING because is getting reset by the project command
if(CMAKE_CROSSCOMPILING)
set(__CMAKE_CROSSCOMPILING ${CMAKE_CROSSCOMPILING})
set(__CMAKE_CROSSCOMPILING_OVERRIDE ON)
endif()
project(mxnet C CXX)
if(__CMAKE_CROSSCOMPILING_OVERRIDE)
set(CMAKE_CROSSCOMPILING ${__CMAKE_CROSSCOMPILING})
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/build/private/local_config.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/build/private/local_config.cmake)
endif()
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/Utils.cmake)
#Some things have order. This must be put in front alone
mxnet_option(USE_CUDA "Build with CUDA support" ON)
mxnet_option(USE_OLDCMAKECUDA "Build with old cmake cuda" OFF)
mxnet_option(USE_NCCL "Use NVidia NCCL with CUDA" OFF)
mxnet_option(USE_OPENCV "Build with OpenCV support" ON)
mxnet_option(USE_OPENMP "Build with Openmp support" ON)
mxnet_option(USE_OPENMP_BUNDLED_LLVM "Build with bundled llvm openmp from 3rdparty" OFF)
mxnet_option(USE_CUDNN "Build with cudnn support" ON) # one could set CUDNN_ROOT for search path
mxnet_option(USE_SSE "Build with x86 SSE instruction support" ON IF NOT ARM)
mxnet_option(USE_F16C "Build with x86 F16C instruction support" ON) # autodetects support if ON
mxnet_option(USE_LAPACK "Build with lapack support" ON)
mxnet_option(USE_MKL_IF_AVAILABLE "Use MKL if found" ON)
mxnet_option(USE_MKLML_MKL "Use MKLDNN variant of MKL (if MKL found)" ON IF USE_MKL_IF_AVAILABLE AND (NOT APPLE) AND (NOT MSVC) )
mxnet_option(USE_MKLDNN "Use MKLDNN variant of MKL (if MKL found)" ON IF USE_MKL_IF_AVAILABLE AND (NOT APPLE) AND (NOT MSVC) AND (CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "x86_64") AND (NOT CMAKE_CROSSCOMPILING))
mxnet_option(USE_OPERATOR_TUNING "Enable auto-tuning of operators" ON IF NOT MSVC)
mxnet_option(USE_GPERFTOOLS "Build with GPerfTools support" OFF)
mxnet_option(USE_JEMALLOC "Build with Jemalloc support" ON)
mxnet_option(USE_DIST_KVSTORE "Build with DIST_KVSTORE support" OFF)
mxnet_option(USE_PLUGINS_WARPCTC "Use WARPCTC Plugins" OFF)
mxnet_option(USE_PLUGIN_CAFFE "Use Caffe Plugin" OFF)
mxnet_option(USE_CPP_PACKAGE "Build C++ Package" OFF)
mxnet_option(USE_MXNET_LIB_NAMING "Use MXNet library naming conventions." ON)
mxnet_option(USE_GPROF "Compile with gprof (profiling) flag" OFF)
mxnet_option(USE_CXX14_IF_AVAILABLE "Build with C++14 if the compiler supports it" OFF)
mxnet_option(USE_VTUNE "Enable use of Intel Amplifier XE (VTune)" OFF) # one could set VTUNE_ROOT for search path
mxnet_option(USE_TVM_OP "Enable use of TVM operator build system." OFF)
mxnet_option(ENABLE_CUDA_RTC "Build with CUDA runtime compilation support" ON)
mxnet_option(BUILD_CPP_EXAMPLES "Build cpp examples" ON)
mxnet_option(INSTALL_EXAMPLES "Install the example source files." OFF)
mxnet_option(USE_SIGNAL_HANDLER "Print stack traces on segfaults." ON)
mxnet_option(USE_TENSORRT "Enable inference optimization with TensorRT." OFF)
mxnet_option(USE_ASAN "Enable Clang/GCC ASAN sanitizers." OFF)
mxnet_option(ENABLE_TESTCOVERAGE "Enable compilation with test coverage metric output" OFF)
mxnet_option(USE_INT64_TENSOR_SIZE "Use int64_t to represent the total number of elements in a tensor" OFF)
mxnet_option(BUILD_CYTHON_MODULES "Build cython modules." OFF)
message(STATUS "CMAKE_CROSSCOMPILING ${CMAKE_CROSSCOMPILING}")
message(STATUS "CMAKE_HOST_SYSTEM_PROCESSOR ${CMAKE_HOST_SYSTEM_PROCESSOR}")
message(STATUS "CMAKE_SYSTEM_PROCESSOR ${CMAKE_SYSTEM_PROCESSOR}")
message(STATUS "CMAKE_SYSTEM_NAME ${CMAKE_SYSTEM_NAME}")
if(USE_CUDA AND NOT USE_OLDCMAKECUDA)
message(STATUS "CMake version '${CMAKE_VERSION}' using generator '${CMAKE_GENERATOR}'")
if(
(
(${CMAKE_GENERATOR} MATCHES "Visual Studio.*")
OR (${CMAKE_GENERATOR} MATCHES "Xcode.*")
OR (${CMAKE_GENERATOR} STREQUAL "Unix Makefiles")
) AND (
(${CMAKE_VERSION} VERSION_GREATER "3.9.0") OR (${CMAKE_VERSION} VERSION_EQUAL "3.9.0")
)
)
set(FIRST_CUDA TRUE)
project(mxnet C CXX CUDA)
else()
set(FIRST_CUDA FALSE)
set(USE_OLDCMAKECUDA TRUE)
project(mxnet C CXX)
endif()
else()
project(mxnet C CXX)
endif()
if(MSVC)
set(SYSTEM_ARCHITECTURE x86_64)
else()
execute_process(COMMAND uname -m COMMAND tr -d '\n' OUTPUT_VARIABLE SYSTEM_ARCHITECTURE)
endif()
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules;${CMAKE_MODULE_PATH}")
SET(EXTRA_OPERATORS "" CACHE PATH "EXTRA OPERATORS PATH")
if("$ENV{VERBOSE}" STREQUAL "1")
message(STATUS " Verbose Makefile ACTIVATED")
set(CMAKE_VERBOSE_MAKEFILE ON)
endif()
if(MSVC)
add_definitions(-DWIN32_LEAN_AND_MEAN)
add_definitions(-DDMLC_USE_CXX11)
add_definitions(-DMSHADOW_IN_CXX11)
add_definitions(-D_SCL_SECURE_NO_WARNINGS)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
add_definitions(-DMXNET_EXPORTS)
add_definitions(-DNNVM_EXPORTS)
add_definitions(-DDMLC_STRICT_CXX11)
add_definitions(-DNOMINMAX)
if(USE_F16C)
message("F16C instruction set is not yet supported for MSVC")
endif()
set(CMAKE_C_FLAGS "/MP")
set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} /bigobj")
else(MSVC)
include(CheckCXXCompilerFlag)
if(USE_CXX14_IF_AVAILABLE)
check_cxx_compiler_flag("-std=c++14" SUPPORT_CXX14)
endif()
check_cxx_compiler_flag("-std=c++11" SUPPORT_CXX11)
check_cxx_compiler_flag("-std=c++0x" SUPPORT_CXX0X)
# For cross compilation, we can't rely on the compiler which accepts the flag, but mshadow will
# add platform specific includes not available in other arches
if(USE_SSE)
check_cxx_compiler_flag("-msse3" SUPPORT_MSSE3)
check_cxx_compiler_flag("-msse2" SUPPORT_MSSE2)
else()
set(SUPPORT_MSSE2 FALSE)
endif()
# For cross complication, turn off flag if target device does not support it
if(USE_F16C)
# Determine if hardware supports F16C instruction set
message(STATUS "Determining F16C support")
include(cmake/AutoDetectF16C.cmake)
else()
set(SUPPORT_F16C FALSE)
endif()
if(SUPPORT_F16C)
message(STATUS "F16C enabled")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mf16c")
else()
add_definitions(-DMSHADOW_USE_F16C=0)
endif()
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-unknown-pragmas -Wno-sign-compare")
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES ".*Clang$")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-braced-scalar-init")
endif()
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -g")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_GLIBCXX_ASSERTIONS")
elseif(CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
add_definitions(-DNDEBUG=1)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -g")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_GLIBCXX_ASSERTIONS")
else()
add_definitions(-DNDEBUG=1)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
endif()
if(SUPPORT_MSSE3)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse3")
elseif(SUPPORT_MSSE2)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse2")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_C_FLAGS}")
if(SUPPORT_CXX14)
add_definitions(-DDMLC_USE_CXX11=1)
add_definitions(-DDMLC_USE_CXX14=1)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
elseif(SUPPORT_CXX11)
add_definitions(-DDMLC_USE_CXX11=1)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
elseif(SUPPORT_CXX0X)
add_definitions(-DDMLC_USE_CXX11=1)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
endif()
endif(MSVC)
if(NOT mxnet_LINKER_LIBS)
set(mxnet_LINKER_LIBS "")
endif(NOT mxnet_LINKER_LIBS)
if(USE_GPROF)
message(STATUS "Using GPROF")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-omit-frame-pointer -g -pg")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-omit-frame-pointer -g -pg")
set(CMAKE_LINK_LIBRARY_FILE_FLAG "${CMAKE_LINK_LIBRARY_FILE_FLAG} -g -pg")
endif()
if(USE_VTUNE)
message(STATUS "Using VTUNE")
if(NOT VTUNE_ROOT)
set(VTUNE_ROOT /opt/intel/vtune_amplifier_xe_2017)
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-omit-frame-pointer -g -pg")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-omit-frame-pointer -g -pg")
set(CMAKE_LINK_LIBRARY_FILE_FLAG "${CMAKE_LINK_LIBRARY_FILE_FLAG} -g -pg")
add_definitions(-DMXNET_USE_VTUNE=1)
include_directories(${VTUNE_ROOT}/include)
list(APPEND mxnet_LINKER_LIBS ${VTUNE_ROOT}/lib64/libittnotify.a)
list(APPEND mxnet_LINKER_LIBS dl)
endif()
if(USE_TENSORRT)
message(STATUS "Using TensorRT")
set(ONNX_PATH 3rdparty/onnx-tensorrt/third_party/onnx/build/)
set(ONNX_TRT_PATH 3rdparty/onnx-tensorrt/build/)
include_directories(${ONNX_PATH})
include_directories(3rdparty/onnx-tensorrt/)
include_directories(3rdparty/)
include_directories(3rdparty/onnx-tensorrt/third_party/onnx/)
add_definitions(-DMXNET_USE_TENSORRT=1)
add_definitions(-DONNX_NAMESPACE=onnx)
find_package(Protobuf REQUIRED)
find_library(ONNX_LIBRARY NAMES libonnx.so REQUIRED
PATHS ${ONNX_PATH}
DOC "Path to onnx library.")
find_library(ONNX_PROTO_LIBRARY NAMES libonnx_proto.so REQUIRED
PATHS ${ONNX_PATH}
DOC "Path to onnx_proto library.")
find_library(ONNX_TRT_RUNTIME_LIBRARY NAMES libnvonnxparser_runtime.so REQUIRED
PATHS ${ONNX_TRT_PATH}
DOC "Path to onnx_proto library.")
find_library(ONNX_TRT_PARSER_LIBRARY NAMES libnvonnxparser.so REQUIRED
PATHS ${ONNX_TRT_PATH}
DOC "Path to onnx_proto library.")
list(APPEND mxnet_LINKER_LIBS libnvinfer.so ${ONNX_TRT_PARSER_LIBRARY} ${ONNX_TRT_RUNTIME_LIBRARY}
${ONNX_PROTO_LIBRARY} ${ONNX_LIBRARY} ${PROTOBUF_LIBRARY})
endif()
# please note that when you enable this, you might run into an linker not being able to work properly due to large code injection.
# you can find more information here https://github.com/apache/incubator-mxnet/issues/15971
if(ENABLE_TESTCOVERAGE)
message(STATUS "Compiling with test coverage support enabled. This will result in additional files being written to your source directory!")
find_program( GCOV_PATH gcov )
if(NOT GCOV_PATH)
message(FATAL_ERROR "gcov not found! Aborting...")
endif() # NOT GCOV_PATH
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --coverage")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage")
set(CMAKE_LINKER_FLAGS "${CMAKE_LINKER_FLAGS} --coverage")
set(GTEST_LIBRARIES "${GTEST_LIBRARIES} --coverage")
link_libraries(gcov)
endif()
if(USE_MKLDNN)
include(cmake/DownloadMKLML.cmake)
# CPU architecture (e.g., C5) can't run on another architecture (e.g., g3).
if(NOT MSVC)
set(ARCH_OPT_FLAGS "-mtune=generic")
else()
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /EHsc")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /EHsc /Gy")
endif()
set(WITH_TEST OFF CACHE INTERNAL "" FORCE)
set(WITH_EXAMPLE OFF CACHE INTERNAL "" FORCE)
set(ARCH_OPT_FLAGS "" CACHE INTERNAL "" FORCE)
add_subdirectory(3rdparty/mkldnn)
include_directories(3rdparty/mkldnn/include)
include_directories(${PROJECT_BINARY_DIR}/3rdparty/mkldnn/include)
add_definitions(-DUSE_MKL=1)
add_definitions(-DCUB_MKL=1)
add_definitions(-DMXNET_USE_MKLDNN=1)
list(APPEND mxnet_LINKER_LIBS mkldnn)
endif()
# Allow Cuda compiles outside of src tree to find things in 'src' and 'include'
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src)
if(USE_CUDA)
find_package(CUDA REQUIRED)
add_definitions(-DMSHADOW_USE_CUDA=1)
if(FIRST_CUDA AND (NOT USE_OLDCMAKECUDA))
if(NOT CUDA_TOOLSET)
set(CUDA_TOOLSET "${CUDA_VERSION_STRING}")
endif()
else()
set(FIRST_CUDA FALSE)
endif()
if(USE_NCCL)
find_package(NCCL)
if(NCCL_FOUND)
include_directories(${NCCL_INCLUDE_DIRS})
list(APPEND mxnet_LINKER_LIBS ${NCCL_LIBRARIES})
else()
message(WARNING "Could not find NCCL libraries")
endif()
endif()
if(UNIX)
find_package(NVTX)
if(NVTX_FOUND)
include_directories(${NVTX_INCLUDE_DIRS})
list(APPEND mxnet_LINKER_LIBS ${NVTX_LIBRARIES})
add_definitions(-DMXNET_USE_NVTX=1)
else()
message(WARNING "Could not find NVTX libraries")
endif()
endif()
else()
add_definitions(-DMSHADOW_USE_CUDA=0)
endif()
if(NCCL_FOUND)
add_definitions(-DMXNET_USE_NCCL=1)
else()
add_definitions(-DMXNET_USE_NCCL=0)
endif()
if (USE_INT64_TENSOR_SIZE)
message(STATUS "Using 64-bit integer for tensor size")
add_definitions(-DMSHADOW_INT64_TENSOR_SIZE=1)
else()
add_definitions(-DMSHADOW_INT64_TENSOR_SIZE=0)
endif()
include(cmake/ChooseBlas.cmake)
if(USE_CUDA AND FIRST_CUDA)
include(3rdparty/mshadow/cmake/Utils.cmake)
include(cmake/FirstClassLangCuda.cmake)
include_directories(${CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES})
else()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/mshadow/cmake)
include(3rdparty/mshadow/cmake/mshadow.cmake)
include(3rdparty/mshadow/cmake/Utils.cmake)
include(3rdparty/mshadow/cmake/Cuda.cmake)
else()
include(mshadowUtils)
include(Cuda)
include(mshadow)
endif()
endif()
if(USE_ASAN)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-omit-frame-pointer -fsanitize=address")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-omit-frame-pointer -fsanitize=address")
set(CMAKE_LINKER_FLAGS "${CMAKE_LINKER_FLAGS} -fsanitize=address")
set(GTEST_LIBRARIES "${GTEST_LIBRARIES} -fsanitize=address")
list(APPEND mxnet_LINKER_LIBS asan)
endif()
list(APPEND mxnet_LINKER_LIBS ${mshadow_LINKER_LIBS})
foreach(var ${C_CXX_INCLUDE_DIRECTORIES})
include_directories(${var})
endforeach()
include_directories("include")
include_directories("3rdparty/mshadow")
include_directories("3rdparty/nvidia_cub")
include_directories("3rdparty/tvm/nnvm/include")
include_directories("3rdparty/tvm/include")
include_directories("3rdparty/dmlc-core/include")
include_directories("3rdparty/dlpack/include")
# commented out until PR goes through
#if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/dlpack)
# add_subdirectory(3rdparty/dlpack)
#endif()
# Prevent stripping out symbols (operator registrations, for example)
if(NOT MSVC AND NOT APPLE)
set(BEGIN_WHOLE_ARCHIVE -Wl,--whole-archive)
set(END_WHOLE_ARCHIVE -Wl,--no-whole-archive)
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# using regular Clang or AppleClang
set(BEGIN_WHOLE_ARCHIVE -Wl,-force_load)
endif()
if(UNIX)
find_library(RTLIB rt)
if(RTLIB)
list(APPEND mxnet_LINKER_LIBS ${RTLIB})
endif()
endif()
set(ALT_MALLOC_FLAGS "-fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free")
# ---[ gperftools
if(USE_GPERFTOOLS)
find_package(Gperftools)
if(GPERFTOOLS_FOUND)
message(STATUS "Using Gperftools malloc (tcmalloc)")
include_directories(${GPERFTOOLS_INCLUDE_DIR})
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ALT_MALLOC_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ALT_MALLOC_FLAGS}")
set(mxnet_LINKER_LIBS ${mxnet_LINKER_LIBS} ${GPERFTOOLS_LIBRARIES})
set(USE_JEMALLOC 0)
endif()
endif()
# ---[ jemalloc
if(USE_JEMALLOC)
if(GPERFTOOLS_FOUND)
message(ERROR " Only one of USE_JEMALLOC and USE_GPERFTOOLS can be defined at once")
endif()
find_package(JeMalloc)
if(JEMALLOC_FOUND)
message(STATUS "Using JEMalloc malloc")
add_definitions(-DUSE_JEMALLOC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ALT_MALLOC_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ALT_MALLOC_FLAGS}")
include_directories(${JEMALLOC_INCLUDE_DIRS})
set(mxnet_LINKER_LIBS ${mxnet_LINKER_LIBS} ${JEMALLOC_LIBRARIES})
endif()
endif()
# ---[ OpenCV
if(USE_OPENCV)
find_package(OpenCV COMPONENTS core highgui imgproc imgcodecs)
if(NOT OpenCV_FOUND) # if not OpenCV 3.x, then imgcodecs are not found
message(STATUS "OpenCV imgcodecs missing")
find_package(OpenCV REQUIRED COMPONENTS core highgui imgproc)
endif()
include_directories(SYSTEM ${OpenCV_INCLUDE_DIRS})
list(APPEND mxnet_LINKER_LIBS ${OpenCV_LIBS})
message(STATUS "OpenCV ${OpenCV_VERSION} found (${OpenCV_CONFIG_PATH})")
message(STATUS " OpenCV_LIBS=${OpenCV_LIBS}")
add_definitions(-DMXNET_USE_OPENCV=1)
else(USE_OPENCV)
message(STATUS "OpenCV Disabled")
add_definitions(-DMXNET_USE_OPENCV=0)
endif()
# ---[ OpenMP
if(USE_OPENMP)
find_package(OpenMP REQUIRED)
# This should build on Windows, but there's some problem and I don't have a Windows box, so
# could a Windows user please fix?
if(USE_OPENMP_BUNDLED_LLVM AND EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/openmp/CMakeLists.txt
AND SYSTEM_ARCHITECTURE STREQUAL "x86_64"
AND NOT MSVC
AND NOT CMAKE_CROSSCOMPILING)
message("Using bundlded LLVM OpenMP")
# Intel/llvm OpenMP: https://github.com/llvm-mirror/openmp
set(OPENMP_STANDALONE_BUILD TRUE)
set(LIBOMP_ENABLE_SHARED TRUE)
add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/openmp)
list(REMOVE_ITEM mxnet_LINKER_LIBS iomp5)
list(APPEND mxnet_LINKER_LIBS omp)
if(UNIX)
list(APPEND mxnet_LINKER_LIBS pthread)
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
add_definitions(-DMXNET_USE_OPENMP=1)
else()
message("Using platform provided OpenMP")
if(OPENMP_FOUND)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
add_definitions(-DMXNET_USE_OPENMP=1)
endif()
endif()
elseif(UNIX AND NOT ANDROID)
list(APPEND mxnet_LINKER_LIBS pthread)
endif()
# ---[ LAPack
if(USE_LAPACK)
message("USE_LAPACK is ON")
add_definitions(-DMXNET_USE_LAPACK=1)
if (NOT MSVC)
list(APPEND mxnet_LINKER_LIBS lapack)
endif()
endif()
# ---[ jemalloc
if(USE_JEMALLOC)
find_package(JeMalloc)
if(JEMALLOC_FOUND)
add_definitions(-DUSE_JEMALLOC)
include_directories(${JEMALLOC_INCLUDE_DIRS})
set(mxnet_LINKER_LIBS ${mxnet_LINKER_LIBS} ${JEMALLOC_LIBRARIES})
endif()
endif()
include(CTest)
set(GTEST_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/googletest/googletest")
set(GTEST_INCLUDE_DIR ${GTEST_ROOT}/include)
#set(GTEST_BOTH_LIBRARIES gtest gtest_main)
set(GTEST_LIBRARIES gtest gtest_main)
set(GTEST_MAIN_LIBRARY gtest_main)
set(GTEST_LIBRARY gtest)
add_subdirectory(${GTEST_ROOT})
find_package(GTest REQUIRED)
# cudnn detection
if(USE_CUDNN AND USE_CUDA)
detect_cuDNN()
if(HAVE_CUDNN)
add_definitions(-DUSE_CUDNN)
include_directories(SYSTEM ${CUDNN_INCLUDE})
list(APPEND mxnet_LINKER_LIBS ${CUDNN_LIBRARY})
add_definitions(-DMSHADOW_USE_CUDNN=1)
endif()
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/dmlc-core/cmake)
add_subdirectory("3rdparty/dmlc-core")
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/mshadow/cmake)
add_subdirectory("3rdparty/mshadow")
endif()
FILE(GLOB_RECURSE SOURCE "src/*.cc" "src/*.h" "include/*.h")
FILE(GLOB_RECURSE CUDA "src/*.cu" "src/*.cuh")
# add nnvm to source
FILE(GLOB_RECURSE NNVMSOURCE
3rdparty/tvm/nnvm/src/c_api/*.cc
3rdparty/tvm/nnvm/src/core/*.cc
3rdparty/tvm/nnvm/src/pass/*.cc
3rdparty/tvm/nnvm/src/c_api/*.h
3rdparty/tvm/nnvm/src/core/*.h
3rdparty/tvm/nnvm/src/pass/*.h
3rdparty/tvm/nnvm/include/*.h)
list(APPEND SOURCE ${NNVMSOURCE})
# add mshadow file
FILE(GLOB_RECURSE MSHADOWSOURCE "3rdparty/mshadow/mshadow/*.h")
FILE(GLOB_RECURSE MSHADOW_CUDASOURCE "3rdparty/mshadow/mshadow/*.cuh")
list(APPEND SOURCE ${MSHADOWSOURCE})
list(APPEND CUDA ${MSHADOW_CUDASOURCE})
# add source group
FILE(GLOB_RECURSE GROUP_SOURCE "src/*.cc" "3rdparty/tvm/nnvm/*.cc" "plugin/*.cc")
FILE(GLOB_RECURSE GROUP_Include "src/*.h" "3rdparty/tvm/nnvm/*.h" "3rdparty/mshadow/mshadow/*.h" "plugin/*.h")
FILE(GLOB_RECURSE GROUP_CUDA "src/*.cu" "src/*.cuh" "3rdparty/mshadow/mshadow/*.cuh" "plugin/*.cu"
"plugin/*.cuh" "3rdparty/nvidia_cub/cub/*.cuh")
assign_source_group("Source" ${GROUP_SOURCE})
assign_source_group("Include" ${GROUP_Include})
assign_source_group("CUDA" ${GROUP_CUDA})
if(USE_PLUGINS_WARPCTC)
set(WARPCTC_INCLUDE "" CACHE PATH "WARPCTC include")
set(WARPCTC_LIB_DEBUG "" CACHE FILEPATH "WARPCTC lib")
set(WARPCTC_LIB_RELEASE "" CACHE FILEPATH "WARPCTC lib")
include_directories(SYSTEM ${WARPCTC_INCLUDE})
list(APPEND mxnet_LINKER_LIBS ${WARPCTC_LIB})
FILE(GLOB_RECURSE PLUGINS_SOURCE "plugin/warpctc/*.cc" "plugin/warpctc/*.h")
FILE(GLOB_RECURSE PLUGINS_CUSRC "plugin/warpctc/*.cu")
list(APPEND SOURCE ${PLUGINS_SOURCE})
list(APPEND CUDA ${PLUGINS_CUSRC})
endif()
if(USE_OPERATOR_TUNING AND USE_OPENMP)
add_definitions(-DMXNET_USE_OPERATOR_TUNING=1)
endif()
if(USE_PLUGIN_CAFFE)
if(NOT USE_CUDA)
set(CPU_ONLY ON)
add_definitions(-DCPU_ONLY=1)
endif()
if(NOT DEFINED CAFFE_PATH)
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/caffe)
# Need newer FindCUDA.cmake that correctly handles -std=c++11
cmake_minimum_required(VERSION 3.3)
set(CAFFE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/caffe)
else()
set(CAFFE_PATH $ENV{CAFFE_PATH})
endif()
endif()
list(APPEND CMAKE_MODULE_PATH ${CAFFE_PATH}/cmake)
include_directories(${CAFFE_PATH}/include)
include_directories(${CAFFE_PATH}/build/src)
include_directories(${CMAKE_BINARY_DIR}/caffe/include)
link_directories(${CAFFE_PATH}/build/lib)
if(NOT DEFINED CAFFE_PATH)
message(FATAL_ERROR "Please set CAFFE_PATH to point to the caffe source installation")
endif()
FILE(GLOB_RECURSE PLUGINS_SOURCE "plugin/caffe/*.cc" "plugin/caffe/*.h")
FILE(GLOB_RECURSE PLUGINS_CUSRC "plugin/caffe/*.cu")
list(APPEND SOURCE ${PLUGINS_SOURCE})
list(APPEND CUDA ${PLUGINS_CUSRC})
include_directories(${CMAKE_BINARY_DIR}/include)
add_definitions(-DMXNET_USE_CAFFE=1)
list(APPEND mxnet_LINKER_LIBS
protobuf boost_system boost_thread boost_filesystem
gflags glog caffe
${Caffe_LINKER_LIBS}
)
endif()
if (NOT (EXTRA_OPERATORS STREQUAL ""))
mxnet_source_group("Extra" GLOB_RECURSE "${EXTRA_OPERATORS}/*.cc")
mxnet_source_group("Extra\\Cuda" GLOB_RECURSE "${EXTRA_OPERATORS}/*.cu")
FILE(GLOB_RECURSE EXTRA_SRC "${EXTRA_OPERATORS}/*.cc")
FILE(GLOB_RECURSE EXTRA_CUSRC "${EXTRA_OPERATORS}/*.cu")
list(APPEND SOURCE ${EXTRA_SRC} ${EXTRA_CUSRC})
endif()
if(MSVC)
foreach(flag_var
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
if(${flag_var} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
endif(${flag_var} MATCHES "/MD")
endforeach(flag_var)
endif()
if(USE_CUDA)
if(FIRST_CUDA)
mshadow_select_nvcc_arch_flags(NVCC_FLAGS_ARCH)
string(REPLACE ";" " " NVCC_FLAGS_ARCH "${NVCC_FLAGS_ARCH}")
set(CMAKE_CUDA_FLAGS "${NVCC_FLAGS_ARCH}")
list(APPEND mxnet_LINKER_LIBS cublas cufft cusolver curand)
if(ENABLE_CUDA_RTC)
list(APPEND mxnet_LINKER_LIBS nvrtc cuda)
add_definitions(-DMXNET_ENABLE_CUDA_RTC=1)
endif()
list(APPEND SOURCE ${CUDA})
add_definitions(-DMXNET_USE_CUDA=1)
link_directories(${CUDA_TOOLKIT_ROOT_DIR}/lib64)
else()
list(APPEND CUDA_INCLUDE_DIRS ${INCLUDE_DIRECTORIES})
# define preprocessor macro so that we will not include the generated forcelink header
mshadow_cuda_compile(cuda_objs ${CUDA})
if(MSVC)
if(ENABLE_CUDA_RTC)
FIND_LIBRARY(CUDA_nvrtc_LIBRARY nvrtc "${CUDA_TOOLKIT_ROOT_DIR}/lib/x64" "${CUDA_TOOLKIT_ROOT_DIR}/lib/win32")
list(APPEND mxnet_LINKER_LIBS ${CUDA_nvrtc_LIBRARY})
set(CUDA_cuda_LIBRARY "${CUDA_nvrtc_LIBRARY}/../cuda.lib")
list(APPEND mxnet_LINKER_LIBS ${CUDA_cuda_LIBRARY})
add_definitions(-DMXNET_ENABLE_CUDA_RTC=1)
endif()
FIND_LIBRARY(CUDA_cufft_LIBRARY nvrtc "${CUDA_TOOLKIT_ROOT_DIR}/lib/x64" "${CUDA_TOOLKIT_ROOT_DIR}/lib/win32")
list(APPEND mxnet_LINKER_LIBS "${CUDA_cufft_LIBRARY}/../cufft.lib") # For fft operator
FIND_LIBRARY(CUDA_cusolver_LIBRARY nvrtc "${CUDA_TOOLKIT_ROOT_DIR}/lib/x64" "${CUDA_TOOLKIT_ROOT_DIR}/lib/win32")
list(APPEND mxnet_LINKER_LIBS "${CUDA_cusolver_LIBRARY}/../cusolver.lib") # For cusolver
link_directories(${CUDA_TOOLKIT_ROOT_DIR}/lib/win32)
link_directories(${CUDA_TOOLKIT_ROOT_DIR}/lib/x64)
else(MSVC)
list(APPEND mxnet_LINKER_LIBS cufft cusolver)
if(ENABLE_CUDA_RTC)
list(APPEND mxnet_LINKER_LIBS nvrtc cuda)
add_definitions(-DMXNET_ENABLE_CUDA_RTC=1)
endif()
link_directories("${CUDA_TOOLKIT_ROOT_DIR}/lib64")
endif()
list(APPEND SOURCE ${cuda_objs} ${CUDA})
add_definitions(-DMXNET_USE_CUDA=1)
if(CUDA_LIBRARY_PATH)
if(IS_CONTAINER_BUILD)
# In case of building on a production-like build container which may not have Cuda installed
if(NOT CMAKE_SYSTEM_HAS_CUDA)
# Assuming building in a container that doesn't have CUDA installed (ie CPU-only build machine)
# so use the stub cuda driver shared library
if(EXISTS ${CUDA_LIBRARY_PATH}/stubs/libcuda.so)
link_directories(${CUDA_LIBRARY_PATH}/stubs)
endif()
endif()
endif()
endif()
endif()
endif()
# unsupported: if caffe is a subdirectory of mxnet, load its CMakeLists.txt as well
if(USE_PLUGIN_CAFFE)
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/caffe)
add_subdirectory(caffe)
endif()
endif()
if(NOT MSVC)
# Only add c++11 flags and definitions after cuda compiling
add_definitions(-DDMLC_USE_CXX11)
add_definitions(-DMSHADOW_IN_CXX11)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
else()
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /EHsc")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /EHsc /Gy")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} /EHsc /Gy")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} /EHsc /Gy")
set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /OPT:REF /OPT:ICF")
set(CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL "${CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL} /OPT:REF /OPT:ICF")
set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO} /OPT:REF /OPT:ICF")
endif()
add_library(sample_lib SHARED ${CMAKE_CURRENT_SOURCE_DIR}/example/lib_api/mylib.cc)
target_include_directories(sample_lib PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include/mxnet)
set(MXNET_INSTALL_TARGETS mxnet)
if(UNIX)
# Create dummy file since we want an empty shared library before linking
set(DUMMY_SOURCE ${CMAKE_BINARY_DIR}/dummy.c)
file(WRITE ${DUMMY_SOURCE} "")
list(APPEND MXNET_INSTALL_TARGETS mxnet_static)
add_library(mxnet_static STATIC ${SOURCE})
add_library(mxnet SHARED ${DUMMY_SOURCE})
target_link_libraries(mxnet PRIVATE ${BEGIN_WHOLE_ARCHIVE} $<TARGET_FILE:mxnet_static> ${END_WHOLE_ARCHIVE})
target_link_libraries(mxnet PRIVATE mxnet_static)
target_link_libraries(mxnet_static PUBLIC ${CMAKE_DL_LIBS})
target_compile_options(sample_lib PUBLIC -shared)
set_target_properties(mxnet_static PROPERTIES OUTPUT_NAME mxnet)
else()
add_library(mxnet SHARED ${SOURCE})
target_compile_options(sample_lib PUBLIC /LD)
set_target_properties(sample_lib PROPERTIES PREFIX "lib")
endif()
if(USE_CUDA)
if(FIRST_CUDA AND MSVC)
target_compile_options(mxnet PUBLIC "$<$<CONFIG:DEBUG>:-Xcompiler=-MTd -Gy>")
target_compile_options(mxnet PUBLIC "$<$<CONFIG:RELEASE>:-Xcompiler=-MT -Gy>")
endif()
endif()
if(USE_DIST_KVSTORE)
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/ps-lite/CMakeLists.txt)
add_subdirectory("3rdparty/ps-lite")
list(APPEND pslite_LINKER_LIBS pslite protobuf)
target_link_libraries(mxnet PUBLIC debug ${pslite_LINKER_LIBS_DEBUG})
target_link_libraries(mxnet PUBLIC optimized ${pslite_LINKER_LIBS_RELEASE})
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
list(APPEND mxnet_LINKER_LIBS ${pslite_LINKER_LIBS_DEBUG})
else()
list(APPEND mxnet_LINKER_LIBS ${pslite_LINKER_LIBS_RELEASE})
endif()
target_link_libraries(mxnet PUBLIC debug ${pslite_LINKER_LIBS_DEBUG})
target_link_libraries(mxnet PUBLIC optimized ${pslite_LINKER_LIBS_RELEASE})
else()
set(pslite_LINKER_LIBS protobuf zmq-static)
endif()
add_definitions(-DMXNET_USE_DIST_KVSTORE)
include_directories(SYSTEM ${pslite_INCLUDE_DIR})
list(APPEND mxnet_LINKER_LIBS ${pslite_LINKER_LIBS})
endif()
if(USE_TVM_OP)
add_definitions(-DMXNET_USE_TVM_OP=1)
list(APPEND mxnet_LINKER_LIBS ${CMAKE_CURRENT_BINARY_DIR}/3rdparty/tvm/libtvm_runtime.so)
include(cmake/BuildTVM.cmake)
add_subdirectory("3rdparty/tvm")
if(NOT Python3_EXECUTABLE)
find_package(PythonInterp 3 REQUIRED)
set(Python3_EXECUTABLE ${PYTHON_EXECUTABLE} CACHE FILEPATH "Path to the python3 executable")
if(NOT Python3_EXECUTABLE)
message(FATAL_ERROR "No python3 interpreter found to build TVM operators")
endif()
endif()
add_custom_command(TARGET mxnet POST_BUILD
COMMAND ${CMAKE_COMMAND} -E env
PYTHONPATH="${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/tvm/python:${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/tvm/topi/python:${CMAKE_CURRENT_SOURCE_DIR}/contrib"
LD_LIBRARY_PATH="${CMAKE_CURRENT_BINARY_DIR}/3rdparty/tvm"
${Python3_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/contrib/tvmop/compile.py -o${CMAKE_CURRENT_BINARY_DIR}/libtvmop.so
)
endif()
target_link_libraries(mxnet PUBLIC ${mxnet_LINKER_LIBS})
if(USE_PLUGINS_WARPCTC)
target_link_libraries(mxnet PUBLIC debug ${WARPCTC_LIB_DEBUG})
target_link_libraries(mxnet PUBLIC optimized ${WARPCTC_LIB_RELEASE})
endif()
if(USE_OPENCV AND OpenCV_VERSION_MAJOR GREATER 2)
add_executable(im2rec "tools/im2rec.cc")
if(MSVC)
target_link_libraries(im2rec mxnet)
else()
target_link_libraries(im2rec ${BEGIN_WHOLE_ARCHIVE} mxnet_static ${END_WHOLE_ARCHIVE})
endif()
target_link_libraries(im2rec
${mxnet_LINKER_LIBS}
${OpenCV_LIBS}
dmlc
${pslite_LINKER_LIBS}
)
else()
message(WARNING "OpenCV_VERSION_MAJOR: ${OpenCV_VERSION_MAJOR}, version 3 with imgcodecs \
is required for im2rec, im2rec will not be available")
endif()
target_link_libraries(mxnet PUBLIC dmlc)
if(MSVC AND USE_MXNET_LIB_NAMING)
set_target_properties(mxnet PROPERTIES OUTPUT_NAME "libmxnet")
endif()
add_subdirectory(tests)
include(GNUInstallDirs)
install(TARGETS ${MXNET_INSTALL_TARGETS}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
)
# NOTE: Public headers will be installed into ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}, see
# https://cmake.org/cmake/help/v3.0/variable/CMAKE_INSTALL_PREFIX.html
# https://cmake.org/cmake/help/v3.0/module/GNUInstallDirs.html
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/dlpack/include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/dmlc-core/include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
if(USE_MKLDNN)
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/mkldnn/include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
endif()
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/mshadow/mshadow/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/mshadow)
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include/mxnet/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/mxnet)
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/tvm/nnvm/include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
if (INSTALL_EXAMPLES)
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/example DESTINATION ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME})
endif()
if (USE_SIGNAL_HANDLER)
add_definitions(-DMXNET_USE_SIGNAL_HANDLER=1)
endif()
# AUTO_INSTALL_DIR -> Optional: specify post-build install direcory
if(AUTO_INSTALL_DIR)
# ---[ Install Includes
add_custom_command(TARGET mxnet POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_directory
${CMAKE_CURRENT_SOURCE_DIR}/include ${AUTO_INSTALL_DIR}/include
)
# ---[ Install Examples
add_custom_command(TARGET mxnet POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_directory
${CMAKE_CURRENT_SOURCE_DIR}/example ${AUTO_INSTALL_DIR}/example
)
endif()
if(INSTALL_PYTHON_VERSIONS)
message(STATUS "Installing for python versions: ${INSTALL_PYTHON_VERSIONS}")
foreach(version ${INSTALL_PYTHON_VERSIONS})
set(outdir ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/python${version}/site-packages/mxnet)
add_custom_command(TARGET mxnet POST_BUILD
COMMAND mkdir -p ${outdir}
COMMAND cp -ru ${CMAKE_CURRENT_SOURCE_DIR}/python/mxnet/* ${outdir}
)
endforeach()
endif()
if(USE_CPP_PACKAGE)
add_subdirectory(cpp-package)
endif()
if(BUILD_CPP_EXAMPLES)
add_subdirectory(example/image-classification/predict-cpp)
endif()
# ---[ Linter target
if(MSVC)
find_package(PythonInterp)
set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE} CACHE FILEPATH "Path to the python executable")
endif()
set(LINT_DIRS "include src plugin cpp-package tests")
set(EXCLUDE_PATH "src/operator/contrib/ctc_include")
add_custom_target(mxnet_lint COMMAND ${CMAKE_COMMAND} -DMSVC=${MSVC} -DPYTHON_EXECUTABLE=${PYTHON_EXECUTABLE} -DLINT_DIRS=${LINT_DIRS} -DPROJECT_SOURCE_DIR=${CMAKE_CURRENT_SOURCE_DIR} -DPROJECT_NAME=mxnet -DEXCLUDE_PATH=${EXCLUDE_PATH} -P ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/dmlc-core/cmake/lint.cmake)
if(BUILD_CYTHON_MODULES)
include(cmake/BuildCythonModules.cmake)
add_cython_modules(2) # Build cython module for python2 if python2 is found
add_cython_modules(3) # Build cython module for python3 if python3 is found
if((NOT ${PYTHON2_FOUND}) AND (NOT ${PYTHON3_FOUND}))
message(FATAL_ERROR "No python interpreter found to build cython modules")
endif()
endif()