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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.6)
project(mlpack C CXX)
include(CMake/cotire.cmake)
include(CMake/CheckHash.cmake)
include(CMake/Autodownload.cmake)
include(CMake/ConfigureCrossCompile.cmake)
# First, define all the compilation options.
# We default to debugging mode for developers.
option(DEBUG "Compile with debugging information." OFF)
option(PROFILE "Compile with profiling information." OFF)
option(ARMA_EXTRA_DEBUG "Compile with extra Armadillo debugging symbols." OFF)
option(TEST_VERBOSE "Run test cases with verbose output." OFF)
option(BUILD_TESTS "Build tests." ON)
option(BUILD_CLI_EXECUTABLES "Build command-line executables." ON)
option(DOWNLOAD_DEPENDENCIES "Automatically download dependencies if not available." OFF)
option(BUILD_GO_SHLIB "Build Go shared library." OFF)
option(BUILD_DOCS "Build doxygen documentation (if doxygen is available)." ON)
# Set minimum library versions required by mlpack.
#
# For Armadillo, try to keep the minimum required version less than or equal to
# what's available on the current Ubuntu LTS or most recent stable RHEL release.
# See https://github.com/mlpack/mlpack/issues/3033 for some more discussion.
set(ARMADILLO_VERSION "9.800")
set(ENSMALLEN_VERSION "2.10.0")
set(BOOST_VERSION "1.58")
set(CEREAL_VERSION "1.1.2")
# If BUILD_SHARED_LIBS is OFF then the mlpack library will be built statically.
# In addition, all mlpack CLI bindings will be linked statically as well.
if (WIN32)
option(BUILD_SHARED_LIBS
"Compile shared libraries (if OFF, static libraries and binaries are compiled)." OFF)
set(DLL_COPY_DIRS "" CACHE STRING "List of directories (separated by ';') containing DLLs to copy for runtime.")
set(DLL_COPY_LIBS "" CACHE STRING "List of DLLs (separated by ';') that should be copied for runtime.")
elseif(CMAKE_CROSSCOMPILING)
option(BUILD_SHARED_LIBS
"Compile shared libraries (if OFF, static libraries and binaries are compiled)." OFF)
else()
option(BUILD_SHARED_LIBS
"Compile shared libraries (if OFF, static libraries and binaries are compiled)." ON)
endif()
# Enable auto-download if we are cross compiling.
if (CMAKE_CROSSCOMPILING)
set(DOWNLOAD_DEPENDENCIES ON)
endif()
# Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES.
if (NOT BUILD_SHARED_LIBS)
if(WIN32)
list(INSERT CMAKE_FIND_LIBRARY_SUFFIXES 0 .lib .a)
else()
set(CMAKE_FIND_LIBRARY_SUFFIXES .a)
endif()
endif()
# Detect whether the user passed BUILD_PYTHON_BINDINGS in order to determine if
# we should fail if Python isn't found.
if (BUILD_PYTHON_BINDINGS)
set(FORCE_BUILD_PYTHON_BINDINGS ON)
else()
set(FORCE_BUILD_PYTHON_BINDINGS OFF)
endif()
option(BUILD_PYTHON_BINDINGS "Build Python bindings." OFF)
# Detect whether the user passed BUILD_JULIA_BINDINGS in order to determine if
# we should fail if Julia isn't found.
if (BUILD_JULIA_BINDINGS)
set(FORCE_BUILD_JULIA_BINDINGS ON)
else()
set(FORCE_BUILD_JULIA_BINDINGS OFF)
endif()
option(BUILD_JULIA_BINDINGS "Build Julia bindings." OFF)
# Detect whether the user passed BUILD_GO_BINDINGS in order to determine if
# we should fail if Go isn't found.
if (BUILD_GO_BINDINGS)
set(FORCE_BUILD_GO_BINDINGS ON)
else()
set(FORCE_BUILD_GO_BINDINGS OFF)
endif()
option(BUILD_GO_BINDINGS "Build Go bindings." OFF)
# If building Go bindings then build go shared libraries.
if (BUILD_GO_BINDINGS)
set(BUILD_GO_SHLIB ON)
endif()
# Detect whether the user passed BUILD_R_BINDINGS in order to determine if
# we should fail if R isn't found.
if (BUILD_R_BINDINGS)
set(FORCE_BUILD_R_BINDINGS ON)
else()
set(FORCE_BUILD_R_BINDINGS OFF)
endif()
option(BUILD_R_BINDINGS "Build R bindings." OFF)
# Build Markdown bindings for documentation. This is used as part of website
# generation.
option(BUILD_MARKDOWN_BINDINGS "Build Markdown bindings for website documentation." OFF)
option(MATHJAX
"Use MathJax for HTML Doxygen output (disabled by default)." OFF)
option(FORCE_CXX11
"Don't check that the compiler supports C++11, just assume it. Make sure to specify any necessary flag to enable C++11 as part of CXXFLAGS." OFF)
option(USE_OPENMP "If available, use OpenMP for parallelization." ON)
enable_testing()
# Set required standard to C++11.
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
# Ensure that GCC is new enough, if the compiler is GCC.
if (CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5)
message(FATAL_ERROR "GCC version (${CMAKE_CXX_COMPILER_VERSION}) is too old! 5.x or newer is required.")
endif ()
# Include modules in the CMake directory.
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/CMake")
# If we are not using Visual Studio, use the GNU install directories module.
# Otherwise set the values manually.
if (NOT MSVC)
include(GNUInstallDirs)
else ()
set(CMAKE_INSTALL_BINDIR ${CMAKE_INSTALL_PREFIX}/bin)
set(CMAKE_INSTALL_LIBDIR ${CMAKE_INSTALL_PREFIX}/lib)
set(CMAKE_INSTALL_MANDIR ${CMAKE_INSTALL_PREFIX}/man)
set(CMAKE_INSTALL_DOCDIR ${CMAKE_INSTALL_PREFIX}/share/doc/mlpack)
set(CMAKE_INSTALL_INCLUDEDIR ${CMAKE_INSTALL_PREFIX}/include)
endif ()
# This is as of yet unused.
# option(PGO "Use profile-guided optimization if not a debug build" ON)
# Set the CFLAGS and CXXFLAGS depending on the options the user specified.
# Only GCC-like compilers support -Wextra, and other compilers give tons of
# output for -Wall, so only -Wall and -Wextra on GCC.
if (CMAKE_COMPILER_IS_GNUCC OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
# Ensure that we can't compile with clang 3.4, since this causes strange
# issues.
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.5)
message(FATAL_ERROR "mlpack does not build correctly with clang < 3.5. "
"Please upgrade your compiler and reconfigure mlpack.")
endif ()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -ftemplate-depth=1000")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra")
# To remove unused functions warnings.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-function")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
endif()
# These support libraries are used if we need to link against something
# specific. This list is a subset of MLPACK_LIBRARIES.
set(COMPILER_SUPPORT_LIBRARIES "")
# If we are using MSVC, we need /bigobj.
if (MSVC)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj /Zm200 /Zc:__cplusplus")
endif ()
# If we are using MINGW, we need sections and big-obj, otherwise we create too
# many sections.
if (CMAKE_COMPILER_IS_GNUCC AND WIN32)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wa,-mbig-obj")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wa,-mbig-obj")
endif()
# If using clang, we have to link against libc++ depending on the
# OS (at least on some systems). Further, gcc sometimes optimizes calls to
# math.h functions, making -lm unnecessary with gcc, but it may still be
# necessary with clang.
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
if (APPLE)
# Detect OS X version. Use '/usr/bin/sw_vers -productVersion' to
# extract V from '10.V.x'.
exec_program(/usr/bin/sw_vers ARGS
-productVersion OUTPUT_VARIABLE MACOSX_VERSION_RAW)
string(REGEX REPLACE
"([0-9]+)(?:\\.([0-9]+).*)*" "\\1"
MACOSX_MAJOR_VERSION
"${MACOSX_VERSION_RAW}")
string(REGEX REPLACE
"([0-9]+)(?:\\.([0-9]+).*)*" "\\2"
MACOSX_MINOR_VERSION
"${MACOSX_VERSION_RAW}")
# OSX Lion (10.7) and OS X Mountain Lion (10.8) doesn't automatically
# select the right stdlib.
if (${MACOSX_MAJOR_VERSION} LESS 11 AND ${MACOSX_MINOR_VERSION} LESS 9)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++")
set(CMAKE_SHARED_LINKER_FLAGS
"${CMAKE_SHARED_LINKER_FLAGS} -stdlib=libc++")
set(CMAKE_MODULE_LINKER_FLAGS
"${CMAKE_MODULE_LINKER_FLAGS} -stdlib=libc++")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
endif()
endif()
# Link everything with -lm.
set(COMPILER_SUPPORT_LIBRARIES ${COMPILER_SUPPORT_LIBRARIES} "m")
set(MLPACK_LIBRARIES ${MLPACK_LIBRARIES} "m")
# Use -pthread, but not on OS X.
if (NOT APPLE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
endif ()
endif()
# If we're using gcc, then we need to link against pthreads to use std::thread,
# which we do in the tests.
if (CMAKE_COMPILER_IS_GNUCC)
find_package(Threads)
set(COMPILER_SUPPORT_LIBRARIES ${COMPILER_SUPPORT_LIBRARIES}
${CMAKE_THREAD_LIBS_INIT})
endif()
# Debugging CFLAGS. Turn optimizations off; turn debugging symbols on.
if (DEBUG)
if (NOT MSVC)
add_definitions(-DDEBUG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O0 -ftemplate-backtrace-limit=0")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -g -O0")
endif()
# mlpack uses it's own mlpack::backtrace class based on Binary File Descriptor
# <bfd.h> and linux Dynamic Loader <libdl.h> and more portable version in future
if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
find_package(Bfd)
find_package(LibDL)
if (LIBBFD_FOUND AND LIBDL_FOUND)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -rdynamic")
set(MLPACK_INCLUDE_DIRS ${MLPACK_INCLUDE_DIRS} ${LIBBFD_INCLUDE_DIRS}
${LIBDL_INCLUDE_DIRS})
set(MLPACK_LIBRARIES ${MLPACK_LIBRARIES} ${LIBBFD_LIBRARIES}
${LIBDL_LIBRARIES})
add_definitions(-DHAS_BFD_DL)
else()
message(WARNING "No libBFD and/or libDL has been found!")
endif()
endif()
else()
add_definitions(-DARMA_NO_DEBUG)
add_definitions(-DNDEBUG)
if (NOT MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -O3")
else ()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /O3")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /O3")
endif ()
endif()
# Profiling CFLAGS. Turn profiling information on.
if (CMAKE_COMPILER_IS_GNUCC AND PROFILE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pg")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pg")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pg")
endif()
# If the user asked for running test cases with verbose output, turn that on.
if (TEST_VERBOSE)
add_definitions(-DTEST_VERBOSE)
endif()
# If the user asked for extra Armadillo debugging output, turn that on.
if (ARMA_EXTRA_DEBUG)
add_definitions(-DARMA_EXTRA_DEBUG)
endif()
# Now, find the libraries we need to compile against. Several variables can be
# set to manually specify the directory in which each of these libraries
# resides.
# ARMADILLO_LIBRARY - location of libarmadillo.so / armadillo.lib
# ARMADILLO_INCLUDE_DIR - directory containing <armadillo>
# ARMADILLO_INCLUDE_DIRS - directories necessary for Armadillo includes
# BOOST_ROOT - root of Boost installation
# BOOST_INCLUDEDIR - include directory for Boost
# CEREAL_INCLUDE_DIR - include directory for cereal
# ENSMALLEN_INCLUDE_DIR - include directory for ensmallen
# STB_IMAGE_INCLUDE_DIR - include directory for STB image library
# MATHJAX_ROOT - root of MathJax installation
# Download and compile OpenBLAS if we are cross compiling mlpack for a specific
# architecture. The function takes the version of OpenBLAS as variable.
if (CMAKE_CROSSCOMPILING)
search_openblas(0.3.13)
endif()
if (NOT DOWNLOAD_DEPENDENCIES)
find_package(Armadillo "${ARMADILLO_VERSION}" REQUIRED)
else()
find_package(Armadillo "${ARMADILLO_VERSION}")
if (NOT ARMADILLO_FOUND)
if (NOT CMAKE_CROSSCOMPILING)
find_package(BLAS QUIET)
find_package(LAPACK QUIET)
if (NOT BLAS_FOUND AND NOT LAPACK_FOUND)
message(FATAL_ERROR "Can not find BLAS or LAPACK! These are required for Armadillo. Please install one of them---or install Armadillo---before installing mlpack.")
endif()
endif()
get_deps(http://files.mlpack.org/armadillo-10.3.0.tar.gz armadillo armadillo-10.3.0.tar.gz)
set(ARMADILLO_INCLUDE_DIR ${GENERIC_INCLUDE_DIR})
find_package(Armadillo REQUIRED)
endif()
endif()
# Include directories for the previous dependencies.
set(MLPACK_INCLUDE_DIRS ${MLPACK_INCLUDE_DIRS} ${ARMADILLO_INCLUDE_DIRS})
set(MLPACK_LIBRARIES ${MLPACK_LIBRARIES} ${ARMADILLO_LIBRARIES})
# Find stb_image.h and stb_image_write.h.
if (NOT DOWNLOAD_DEPENDENCIES)
find_package(StbImage)
else()
find_package(StbImage)
if (NOT STB_IMAGE_FOUND)
get_deps(http://mlpack.org/files/stb.tar.gz stb stb.tar.gz)
set(STB_IMAGE_INCLUDE_DIR ${GENERIC_INCLUDE_DIR})
find_package(StbImage REQUIRED)
endif()
endif()
if (STB_IMAGE_FOUND)
add_definitions(-DHAS_STB)
set(STB_AVAILABLE "1")
set(MLPACK_INCLUDE_DIRS ${MLPACK_INCLUDE_DIRS} "${STB_IMAGE_INCLUDE_DIR}")
endif()
# Find ensmallen.
if (NOT DOWNLOAD_DEPENDENCIES)
find_package(Ensmallen "${ENSMALLEN_VERSION}" REQUIRED)
else()
find_package(Ensmallen "${ENSMALLEN_VERSION}")
if (NOT ENSMALLEN_FOUND)
get_deps(http://www.ensmallen.org/files/ensmallen-latest.tar.gz ensmallen ensmallen-latest.tar.gz)
set(ENSMALLEN_INCLUDE_DIR ${GENERIC_INCLUDE_DIR})
find_package(Ensmallen REQUIRED)
endif()
endif()
set(MLPACK_INCLUDE_DIRS ${MLPACK_INCLUDE_DIRS} "${ENSMALLEN_INCLUDE_DIR}")
# Find cereal.
if (NOT DOWNLOAD_DEPENDENCIES)
find_package(cereal "${CEREAL_VERSION}" REQUIRED)
else()
find_package(cereal "${CEREAL_VERSION}")
if (NOT CEREAL_FOUND)
get_deps(https://github.com/USCiLab/cereal/archive/refs/tags/v1.3.0.tar.gz cereal cereal-1.3.0.tar.gz)
set(CEREAL_INCLUDE_DIR ${GENERIC_INCLUDE_DIR})
find_package(cereal REQUIRED)
endif()
endif()
set(MLPACK_INCLUDE_DIRS ${MLPACK_INCLUDE_DIRS} ${CEREAL_INCLUDE_DIR})
# Unfortunately this configuration variable is necessary and will need to be
# updated as time goes on and new versions are released.
set(Boost_ADDITIONAL_VERSIONS
"1.78.0" "1.78"
"1.77.0" "1.77"
"1.76.0" "1.76"
"1.75.0" "1.75"
"1.74.0" "1.74"
"1.73.0" "1.73"
"1.72.0" "1.72"
"1.71.0" "1.71"
"1.70.0" "1.70"
"1.69.0" "1.69"
"1.68.0" "1.68"
"1.67.0" "1.67"
"1.66.0" "1.66"
"1.65.1" "1.65.0" "1.65"
"1.64.1" "1.64.0" "1.64"
"1.63.1" "1.63.0" "1.63"
"1.62.1" "1.62.0" "1.62"
"1.61.1" "1.61.0" "1.61"
"1.60.1" "1.60.0" "1.60"
"1.59.1" "1.59.0" "1.59"
"1.58.1" "1.58.0" "1.58")
# Disable forced config-mode CMake search for Boost, which only imports targets
# and does not set the variables that we need.
#
# TODO for the brave: transition all mlpack's CMake to 'target-based modern
# CMake'. Good luck! You'll need it.
set(Boost_NO_BOOST_CMAKE 1)
if (NOT DOWNLOAD_DEPENDENCIES)
find_package(Boost "${BOOST_VERSION}" REQUIRED)
else()
find_package(Boost "${BOOST_VERSION}")
if (NOT Boost_FOUND)
if (CMAKE_COMPILER_IS_GNUCC AND (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0))
get_deps(http://sourceforge.net/projects/boost/files/boost/1.58.0/boost_1_58_0.tar.gz boost boost_1_58_0.tar.gz)
else()
get_deps(https://boostorg.jfrog.io/artifactory/main/release/1.76.0/source/boost_1_76_0.tar.gz boost boost_1_76_0.tar.gz)
endif()
find_package(Boost REQUIRED)
endif()
endif()
set(MLPACK_INCLUDE_DIRS ${MLPACK_INCLUDE_DIRS} ${Boost_INCLUDE_DIRS})
set(MLPACK_LIBRARIES ${MLPACK_LIBRARIES})
set(MLPACK_LIBRARY_DIRS ${MLPACK_LIBRARY_DIRS})
# Detect OpenMP support in a compiler. If the compiler supports OpenMP, flags
# to compile with OpenMP are returned and added and the HAS_OPENMP definition
# is added for compilation.
#
# This way we can skip calls to functions defined in omp.h with code like:
# #ifdef HAS_OPENMP
# {
# ... openMP code here ...
# }
# #endif
if (USE_OPENMP)
find_package(OpenMP)
endif ()
if (OPENMP_FOUND)
add_definitions(-DHAS_OPENMP)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
if (OpenMP_CXX_FOUND)
set(MLPACK_LIBRARIES ${MLPACK_LIBRARIES} ${OpenMP_CXX_LIBRARIES})
endif ()
else ()
# Disable warnings for all the unknown OpenMP pragmas.
if (NOT MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unknown-pragmas")
else ()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4068")
endif ()
set(OpenMP_CXX_FLAGS "")
endif ()
# Create a 'distclean' target in case the user is using an in-source build for
# some reason.
include(CMake/TargetDistclean.cmake OPTIONAL)
include_directories(BEFORE ${MLPACK_INCLUDE_DIRS})
include_directories(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/src/)
# On Windows, things end up under Debug/ or Release/.
if (WIN32)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
# Copy all necessary DLLs for runtime to the build directory.
# This is a little hackish, but I can't figure out clear ways to make CMake
# consistently link everything 100% statically across platforms or set the
# runtime path right always, so this is the best I know how to do for now.
foreach(dir ${DLL_COPY_DIRS})
file(GLOB dir_dll_list "${dir}/*.dll")
file(COPY ${dir_dll_list} DESTINATION ${CMAKE_BINARY_DIR}/Release/)
file(COPY ${dir_dll_list} DESTINATION ${CMAKE_BINARY_DIR}/Debug/)
endforeach ()
foreach(file ${DLL_COPY_LIBS})
file(COPY ${file} DESTINATION ${CMAKE_BINARY_DIR}/Release/)
file(COPY ${file} DESTINATION ${CMAKE_BINARY_DIR}/Debug/)
endforeach()
else ()
# If not on Windows, put them under more standard UNIX-like places. This is
# necessary, otherwise they would all end up in
# ${CMAKE_BINARY_DIR}/src/mlpack/methods/... or somewhere else random like
# that.
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib/)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin/)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib/)
endif ()
# Determine whether or not this is a git repository, so that we can set the
# version number if necessary.
find_package(Git)
set (USING_GIT "NO")
if (GIT_FOUND)
# Run 'git rev-parse HEAD' to find out if this is a working copy. If the
# return code is not 0, then it isn't.
execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse HEAD
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE MLPACK_TMP_REV_INFO
ERROR_VARIABLE MLPACK_TMP_REV_INFO_ERROR
RESULT_VARIABLE MLPACK_TMP_REV_INFO_RESULT
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (${MLPACK_TMP_REV_INFO_RESULT} EQUAL 0)
set (USING_GIT "YES")
add_definitions(-DMLPACK_GIT_VERSION)
include(CMake/CreateGitVersionHeader.cmake)
add_custom_target(mlpack_gitversion ALL
COMMAND ${CMAKE_COMMAND} -P CMake/CreateGitVersionHeader.cmake
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT "Updating gitversion.hpp (if necessary)")
# Add gitversion.hpp to the list of sources.
set(MLPACK_SRCS ${MLPACK_SRCS}
"${CMAKE_CURRENT_SOURCE_DIR}/src/mlpack/core/util/gitversion.hpp")
endif ()
endif ()
# Create a target to generate arma_config.hpp, which is used to warn the user
# when they are doing something stupid when linking something against mlpack.
include(CMake/CreateArmaConfigInfo.cmake)
add_custom_target(mlpack_arma_config ALL
COMMAND ${CMAKE_COMMAND}
-D ARMADILLO_INCLUDE_DIR="${ARMADILLO_INCLUDE_DIR}"
-D OPENMP_FOUND="${OPENMP_FOUND}"
-D CMAKE_SIZEOF_VOID_P="${CMAKE_SIZEOF_VOID_P}"
-P CMake/CreateArmaConfigInfo.cmake
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT "Updating arma_config.hpp (if necessary)")
set(MLPACK_SRCS ${MLPACK_SRCS}
"${CMAKE_CURRENT_SOURCE_DIR}/src/mlpack/core/util/arma_config.hpp")
# Make a target to generate the man page documentation, but only if we are on a
# UNIX-like system.
if (BUILD_CLI_EXECUTABLES AND UNIX)
find_program(TXT2MAN txt2man)
# It's not a requirement that we make man pages.
if (NOT TXT2MAN)
message(WARNING "txt2man not found; man pages will not be generated.")
else ()
# We have the tools. We can make them.
add_custom_target(man ALL
${CMAKE_CURRENT_SOURCE_DIR}/CMake/allexec2man.sh
${CMAKE_CURRENT_SOURCE_DIR}/CMake/exec2man.sh
${CMAKE_BINARY_DIR}/share/man
WORKING_DIRECTORY
${CMAKE_BINARY_DIR}/bin
COMMENT "Generating man pages from built executables."
)
# Set the rules to install the documentation.
install(DIRECTORY "${CMAKE_BINARY_DIR}/share/man/"
DESTINATION "${CMAKE_INSTALL_MANDIR}")
endif ()
endif ()
# Recurse into the rest of the project.
add_subdirectory(src/mlpack)
# If we need to keep gitversion.hpp up to date, then make sure the mlpack target
# depends on it.
if (USING_GIT STREQUAL "YES")
add_dependencies(mlpack_headers mlpack_gitversion)
endif ()
# Make the mlpack_arma_config target depend on mlpack (we couldn't do this
# before the add_subdirectory() call because the mlpack target didn't exist
# before that).
add_dependencies(mlpack_headers mlpack_arma_config)
# Make a target to generate the documentation. If Doxygen isn't installed, then
# I guess this option will just be unavailable.
if (BUILD_DOCS)
find_package(Doxygen)
if (DOXYGEN_FOUND)
if (MATHJAX)
find_package(MathJax)
if (NOT MATHJAX_FOUND)
message(STATUS "Using MathJax at the MathJax Content Delivery Network. "
"Be careful, formulas will not be shown without the internet.")
endif ()
endif ()
# Preprocess the Doxyfile. This is done before 'make doc'.
add_custom_command(OUTPUT ${CMAKE_BINARY_DIR}/Doxyfile
PRE_BUILD
COMMAND ${CMAKE_COMMAND}
-D DESTDIR=${CMAKE_BINARY_DIR}
-D MATHJAX="${MATHJAX}"
-D MATHJAX_FOUND="${MATHJAX_FOUND}"
-D MATHJAX_PATH="${MATHJAX_PATH}"
-P "${CMAKE_CURRENT_SOURCE_DIR}/CMake/GenerateDoxyfile.cmake"
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile"
COMMENT "Creating Doxyfile to generate Doxygen documentation"
)
# Generate documentation.
add_custom_target(doc
COMMAND "${DOXYGEN_EXECUTABLE}" "${CMAKE_BINARY_DIR}/Doxyfile"
DEPENDS "${CMAKE_BINARY_DIR}/Doxyfile"
WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
COMMENT "Generating API documentation with Doxygen"
)
install(DIRECTORY "${CMAKE_BINARY_DIR}/doc/html"
DESTINATION "${CMAKE_INSTALL_DOCDIR}"
COMPONENT doc
OPTIONAL
)
endif ()
endif()
# Create the pkg-config file, if we have pkg-config.
find_package(PkgConfig)
if (PKG_CONFIG_FOUND)
# mlpack.pc must be generated as a separate target, otherwise it is possible
# that the given version could be out of date. We don't need to worry about
# the library or include directories changing, because CMake will re-run this
# portion of the code whenever any of those changes. But the version must be
# re-extracted every time the library is built.
# So, we have to parse our list of library directories, libraries, and include
# directories in order to get the correct line to give to pkg-config.
# Next, adapt the list of include directories.
list(REMOVE_DUPLICATES MLPACK_INCLUDE_DIRS)
foreach (incldir ${MLPACK_INCLUDE_DIRS})
# Filter out some obviously unnecessary directories.
if (NOT "${incldir}" STREQUAL "/usr/include")
set(MLPACK_INCLUDE_DIRS_STRING
"${MLPACK_INCLUDE_DIRS_STRING} -I${incldir}")
endif ()
endforeach ()
# Add the install directory too.
set(MLPACK_INCLUDE_DIRS_STRING
"${MLPACK_INCLUDE_DIRS_STRING} -I${CMAKE_INSTALL_PREFIX}/include/")
# Create the list of link directories.
set(MLPACK_LIBRARIES_LIST)
foreach (linkdir ${MLPACK_LIBRARY_DIRS})
list(APPEND MLPACK_LIBRARIES_LIST "-L${linkdir}")
endforeach ()
foreach(lib ${MLPACK_LIBRARIES})
string(SUBSTRING "${lib}" 0 1 first)
if ("${first}" STREQUAL "/")
# We need to split the directory and the library.
string(REGEX REPLACE "(.*/)[^/]*$" "\\1" library_dir "${lib}")
string(REGEX REPLACE ".*/lib([^/]*)[.][a-z]*[.]*$" "\\1" library_name "${lib}")
list(APPEND MLPACK_LIBRARIES_LIST "-L${library_dir}")
list(APPEND MLPACK_LIBRARIES_LIST "-l${library_name}")
else ()
list(APPEND MLPACK_LIBRARIES_LIST "-l${lib}")
endif ()
endforeach ()
# Don't forget to add mlpack as a dependency too.
list(APPEND MLPACK_LIBRARIES_LIST "-L${CMAKE_INSTALL_PREFIX}/lib/")
list(APPEND MLPACK_LIBRARIES_LIST "-lmlpack")
# Filter duplicate dependencies and directories.
list(REMOVE_DUPLICATES MLPACK_LIBRARIES_LIST)
# Filter out known unnecessary directories.
list(REMOVE_ITEM MLPACK_LIBRARIES_LIST
"-L/usr/lib"
"-L/usr/lib/"
"-L/usr/lib/x86_64-linux-gnu"
"-L/usr/lib/x86_64-linux-gnu/"
"-L/usr/lib/i386-linux-gnu"
"-L/usr/lib/i386-linux-gnu/")
string(REPLACE ";" " " MLPACK_LIBRARIES_STRING "${MLPACK_LIBRARIES_LIST}")
# Do first stage of configuration.
set(MLPACK_VERSION_STRING "@MLPACK_VERSION_STRING@")
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/CMake/mlpack.pc.in
${CMAKE_BINARY_DIR}/CMake/mlpack.pc.in.partial @ONLY)
add_custom_target(pkgconfig ALL
${CMAKE_COMMAND}
-P "${CMAKE_CURRENT_SOURCE_DIR}/CMake/GeneratePkgConfig.cmake"
DEPENDS mlpack_headers
COMMENT "Generating mlpack.pc (pkg-config) file.")
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/lib/pkgconfig/mlpack.pc"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig/")
endif ()