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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 2.8.7)
if(MSVC)
# CMake 3.4 introduced a WINDOWS_EXPORT_ALL_SYMBOLS target property that makes it possible to
# build shared libraries without using the usual declspec() decoration.
# See: https://blog.kitware.com/create-dlls-on-windows-without-declspec-using-new-cmake-export-all-feature/
# and https://cmake.org/cmake/help/v3.5/prop_tgt/WINDOWS_EXPORT_ALL_SYMBOLS.html
# for details.
cmake_minimum_required(VERSION 3.4)
endif()
if(POLICY CMP0046)
cmake_policy(SET CMP0046 NEW)
endif()
if(POLICY CMP0054)
cmake_policy(SET CMP0054 NEW)
endif()
# ---[ Caffe project
project(Caffe C CXX)
# ---[ Caffe version
set(CAFFE_TARGET_VERSION "1.0.0" CACHE STRING "Caffe logical version")
set(CAFFE_TARGET_SOVERSION "1.0.0" CACHE STRING "Caffe soname version")
add_definitions(-DCAFFE_VERSION=${CAFFE_TARGET_VERSION})
# ---[ Using cmake scripts and modules
list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/Modules)
include(ExternalProject)
include(GNUInstallDirs)
include(cmake/Utils.cmake)
include(cmake/Targets.cmake)
include(cmake/Misc.cmake)
include(cmake/Summary.cmake)
include(cmake/ConfigGen.cmake)
include(cmake/WindowsCreateLinkHeader.cmake)
include(cmake/TargetResolvePrerequesites.cmake)
# ---[ Options
caffe_option(CPU_ONLY "Build Caffe without CUDA support" ON) # TODO: rename to USE_CUDA
caffe_option(USE_CUDNN "Build Caffe with cuDNN library support" OFF IF NOT CPU_ONLY)
caffe_option(USE_NCCL "Build Caffe with NCCL library support" OFF)
if(MSVC)
# default to static libs
caffe_option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
else()
caffe_option(BUILD_SHARED_LIBS "Build shared libraries" ON)
endif()
caffe_option(BUILD_python "Build Python wrapper" ON)
set(python_version "2" CACHE STRING "Specify which Python version to use")
caffe_option(BUILD_matlab "Build Matlab wrapper" OFF)
caffe_option(BUILD_docs "Build documentation" ON IF UNIX OR APPLE)
caffe_option(BUILD_python_layer "Build the Caffe Python layer" ON)
caffe_option(USE_OPENCV "Build with OpenCV support" ON)
caffe_option(USE_LEVELDB "Build with levelDB" ON)
caffe_option(USE_LMDB "Build with lmdb" ON)
caffe_option(ALLOW_LMDB_NOLOCK "Allow MDB_NOLOCK when reading LMDB files (only if necessary)" OFF)
caffe_option(USE_OPENMP "Link with OpenMP (when your BLAS wants OpenMP and you get linker errors)" OFF)
caffe_option(protobuf_MODULE_COMPATIBLE "Make the protobuf-config.cmake compatible with the module mode" ON IF MSVC)
caffe_option(COPY_PREREQUISITES "Copy the prerequisites next to each executable or shared library directory" ON IF MSVC)
caffe_option(INSTALL_PREREQUISITES "Install the prerequisites next to each executable or shared library directory" ON IF MSVC)
if(MSVC AND BUILD_SHARED_LIBS)
if(CMAKE_GENERATOR MATCHES "Visual Studio")
# see issue https://gitlab.kitware.com/cmake/cmake/issues/16552#note_215236
message(FATAL_ERROR "The Visual Studio generator cannot build a shared library. Use the Ninja generator instead.")
endif()
# Some tests (solver tests) fail when caffe is built as a shared library. The problem comes
# from protobuf that has a global static empty_string_ variable. Since caffe and test.testbin
# link to a static protobuf library both end up with their own instance of the empty_string_
# variable. This causes some SEH exception to occur. In practice if the caffe executable does not link
# to protobuf this problem should not happen. Use at your own risk.
message(WARNING "Some tests (solvers) will fail when building as a shared library with MSVC")
endif()
# ---[ Prebuild dependencies on windows
include(cmake/WindowsDownloadPrebuiltDependencies.cmake)
# ---[ Dependencies
include(cmake/Dependencies.cmake)
# ---[ Flags
if(UNIX OR APPLE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -Wall")
endif()
caffe_set_caffe_link()
if(USE_libstdcpp)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libstdc++")
message("-- Warning: forcing libstdc++ (controlled by USE_libstdcpp option in cmake)")
endif()
# ---[ Warnings
caffe_warnings_disable(CMAKE_CXX_FLAGS -Wno-sign-compare -Wno-uninitialized)
# ---[ Config generation
configure_file(cmake/Templates/caffe_config.h.in "${PROJECT_BINARY_DIR}/caffe_config.h")
# ---[ Includes
set(Caffe_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/include)
set(Caffe_SRC_DIR ${PROJECT_SOURCE_DIR}/src)
include_directories(${PROJECT_BINARY_DIR})
# ---[ Includes & defines for CUDA
# cuda_compile() does not have per-call dependencies or include pathes
# (cuda_compile() has per-call flags, but we set them here too for clarity)
#
# list(REMOVE_ITEM ...) invocations remove PRIVATE and PUBLIC keywords from collected definitions and include pathes
if(HAVE_CUDA)
# pass include pathes to cuda_include_directories()
set(Caffe_ALL_INCLUDE_DIRS ${Caffe_INCLUDE_DIRS})
list(REMOVE_ITEM Caffe_ALL_INCLUDE_DIRS PRIVATE PUBLIC)
cuda_include_directories(${Caffe_INCLUDE_DIR} ${Caffe_SRC_DIR} ${Caffe_ALL_INCLUDE_DIRS})
# add definitions to nvcc flags directly
set(Caffe_ALL_DEFINITIONS ${Caffe_DEFINITIONS})
list(REMOVE_ITEM Caffe_ALL_DEFINITIONS PRIVATE PUBLIC)
list(APPEND CUDA_NVCC_FLAGS ${Caffe_ALL_DEFINITIONS})
endif()
# ---[ Subdirectories
add_subdirectory(src/gtest)
add_subdirectory(src/caffe)
add_subdirectory(tools)
add_subdirectory(examples)
add_subdirectory(python)
add_subdirectory(matlab)
add_subdirectory(docs)
# ---[ Linter target
add_custom_target(lint COMMAND ${CMAKE_COMMAND} -DPYTHON_EXECUTABLE=${PYTHON_EXECUTABLE} -P ${PROJECT_SOURCE_DIR}/cmake/lint.cmake)
# ---[ pytest target
if(BUILD_python)
if(UNIX)
set(python_executable python${python_version})
else()
set(python_executable ${PYTHON_EXECUTABLE})
endif()
add_custom_target(pytest COMMAND ${python_executable} -m unittest discover -s caffe/test WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/python )
add_dependencies(pytest pycaffe)
endif()
# ---[ uninstall target
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/cmake/Uninstall.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/cmake/Uninstall.cmake
IMMEDIATE @ONLY)
add_custom_target(uninstall
COMMAND ${CMAKE_COMMAND} -P
${CMAKE_CURRENT_BINARY_DIR}/cmake/Uninstall.cmake)
# ---[ Configuration summary
caffe_print_configuration_summary()
# ---[ Export configs generation
caffe_generate_export_configs()