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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 2.8.5)
project(mlpack C CXX)
# Ensure that we have a C++11 compiler.
include(CMake/CXX11.cmake)
check_for_cxx11_compiler(HAS_CXX11)
if(NOT HAS_CXX11)
message(FATAL_ERROR "No C++11 compiler available!")
endif(NOT HAS_CXX11)
enable_cxx11()
# First, define all the compilation options.
# We default to debugging mode for developers.
option(DEBUG "Compile with debugging information" ON)
option(PROFILE "Compile with profiling information" ON)
option(ARMA_EXTRA_DEBUG "Compile with extra Armadillo debugging symbols." OFF)
option(MATLAB_BINDINGS "Compile MATLAB bindings if MATLAB is found." OFF)
option(TEST_VERBOSE "Run test cases with verbose output." OFF)
# Include modules in the CMake directory.
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/CMake")
# 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 "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra")
endif(CMAKE_COMPILER_IS_GNUCC OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
# 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("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
IF (APPLE)
# detect OS X version. Use '/usr/bin/sw_vers -productVersion' to
# extract V from '10.V.x'.)
EXEC_PROGRAM(/usr/bin/sw_vers ARGS
-productVersion OUTPUT_VARIABLE MACOSX_VERSION_RAW)
string(REGEX REPLACE
"10\\.([0-9]+).*" "\\1"
MACOSX_VERSION
"${MACOSX_VERSION_RAW}")
# OSX Lion (10.7) and OS X Mountain Lion (10.8) doesn't automatically
# select the right stdlib.
if(${MACOSX_VERSION} LESS 9)
set(CMAKE_EXE_LINKER_FLAGS "${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 "${CMAKE_CXX_FLAGS} -stdlib=libc++")
endif(${MACOSX_VERSION} LESS 9)
endif(APPLE)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lm")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -lm")
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -lm")
endif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
# Debugging CFLAGS. Turn optimizations off; turn debugging symbols on.
if(DEBUG)
add_definitions(-DDEBUG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O0")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -g -O0")
else()
add_definitions(-DARMA_NO_DEBUG)
add_definitions(-DNDEBUG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -O3")
endif(DEBUG)
# 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 "${CMAKE_EXE_LINKER_FLAGS} -pg")
endif(CMAKE_COMPILER_IS_GNUCC AND PROFILE)
# mlpack uses backtrace() facilities. On some systems (e.g., GNU/Linux), it
# resides in libc itself and requires <execinfo.h>; on other (e.g., OpenBSD)
# it's provided by a separate library.
find_package(Backtrace)
if(Backtrace_FOUND)
include_directories(${Backtrace_INCLUDE_DIRS})
add_definitions(-DBACKTRACE_FOUND)
add_definitions(-DBACKTRACE_HEADER="${Backtrace_HEADER}")
endif(Backtrace_FOUND)
# If the user asked for running test cases with verbose output, turn that on.
if(TEST_VERBOSE)
add_definitions(-DTEST_VERBOSE)
endif(TEST_VERBOSE)
# If the user asked for extra Armadillo debugging output, turn that on.
if(ARMA_EXTRA_DEBUG)
add_definitions(-DARMA_EXTRA_DEBUG)
endif(ARMA_EXTRA_DEBUG)
# Now, find the libraries we need to compile against. Several variables can be
# set to manually specify the directory in which each of these libraries
# resides.
# ARMADILLO_LIBRARY - location of libarmadillo.so / armadillo.lib
# ARMADILLO_INCLUDE_DIR - directory containing <armadillo>
# ARMADILLO_INCLUDE_DIRS - directories necessary for Armadillo includes
# BOOST_ROOT - root of Boost installation
# BOOST_INCLUDEDIR - include directory for Boost
# BOOST_LIBRARYDIR - library directory for Boost
find_package(Armadillo 3.6.0 REQUIRED)
# If Armadillo was compiled without ARMA_64BIT_WORD and we are on a 64-bit
# system (where size_t will be 64 bits), suggest to the user that they should
# compile Armadillo with 64-bit words. Note that with Armadillo 5.000.0 and
# newer, ARMA_64BIT_WORD is enabled by default.
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
# Check the version, to see if ARMA_64BIT_WORD is enabled by default.
set(ARMA_HAS_64BIT_WORD 0)
if(NOT (${ARMADILLO_VERSION_MAJOR} LESS 5))
set(ARMA_HAS_64BIT_WORD 1)
else(NOT (${ARMADILLO_VERSION_MAJOR} LESS 5))
# Can we open the configuration file? If not, issue a warning.
if(NOT EXISTS "${ARMADILLO_INCLUDE_DIR}/armadillo_bits/config.hpp")
message(WARNING "Armadillo configuration file "
"(${ARMADILLO_INCLUDE_DIR}/armadillo_bits/config.hpp) does not exist!")
else(NOT EXISTS "${ARMADILLO_INCLUDE_DIR}/armadillo_bits/config.hpp")
# We are on a 64-bit system. Does Armadillo have ARMA_64BIT_WORD enabled?
file(READ "${ARMADILLO_INCLUDE_DIR}/armadillo_bits/config.hpp" ARMA_CONFIG)
string(REGEX MATCH
"[\r\n][ ]*#define ARMA_64BIT_WORD"
ARMA_HAS_64BIT_WORD_PRE
"${ARMA_CONFIG}")
string(LENGTH "${ARMA_HAS_64BIT_WORD_PRE}" ARMA_HAS_64BIT_WORD)
endif(NOT EXISTS "${ARMADILLO_INCLUDE_DIR}/armadillo_bits/config.hpp")
endif(NOT (${ARMADILLO_VERSION_MAJOR} LESS 5))
if(ARMA_HAS_64BIT_WORD EQUAL 0)
message(WARNING "This is a 64-bit system, but Armadillo was compiled "
"without 64-bit index support. Consider recompiling Armadillo with "
"ARMA_64BIT_WORD to enable 64-bit indices (large matrix support). "
"MLPACK will still work without ARMA_64BIT_WORD defined, but will not "
"scale to matrices with more than 4 billion elements.")
endif(ARMA_HAS_64BIT_WORD EQUAL 0)
endif(CMAKE_SIZEOF_VOID_P EQUAL 8)
# On Windows, Armadillo should be using LAPACK and BLAS but we still need to
# link against it. We don't want to use the FindLAPACK or FindBLAS modules
# because then we are required to have a FORTRAN compiler (argh!) so we will try
# and find LAPACK and BLAS ourselves, using a slightly modified variant of the
# script Armadillo uses to find these.
if (WIN32)
find_library(LAPACK_LIBRARY
NAMES lapack liblapack lapack_win32_MT lapack_win32
PATHS "C:/Program Files/Armadillo"
PATH_SUFFIXES "examples/lib_win32/")
if (NOT LAPACK_LIBRARY)
message(FATAL_ERROR "Cannot find LAPACK library (.lib)!")
endif (NOT LAPACK_LIBRARY)
find_library(BLAS_LIBRARY
NAMES blas libblas blas_win32_MT blas_win32
PATHS "C:/Program Files/Armadillo"
PATH_SUFFIXES "examples/lib_win32/")
if (NOT BLAS_LIBRARY)
message(FATAL_ERROR "Cannot find BLAS library (.lib)!")
endif (NOT BLAS_LIBRARY)
# Piggyback LAPACK and BLAS linking into Armadillo link.
set(ARMADILLO_LIBRARIES
${ARMADILLO_LIBRARIES} ${BLAS_LIBRARY} ${LAPACK_LIBRARY})
endif (WIN32)
# Include directories for the previous dependencies.
include_directories(${ARMADILLO_INCLUDE_DIRS})
# 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
"1.49.0" "1.50.0" "1.51.0" "1.52.0" "1.53.0" "1.54.0" "1.55.0")
find_package(Boost 1.49
COMPONENTS
program_options
unit_test_framework
serialization
REQUIRED
)
include_directories(${Boost_INCLUDE_DIRS})
link_directories(${Boost_LIBRARY_DIRS})
# In Visual Studio, automatic linking is performed, so we don't need to worry
# about it. Clear the list of libraries to link against and let Visual Studio
# handle it.
if (MSVC)
link_directories(${Boost_LIBRARY_DIRS})
set(Boost_LIBRARIES "")
endif (MSVC)
# For Boost testing framework (will have no effect on non-testing executables).
# This specifies to Boost that we are dynamically linking to the Boost test
# library.
add_definitions(-DBOOST_TEST_DYN_LINK)
# Detect OpenMP support in a compiler. If the compiler supports OpenMP, the
# flags to compile with OpenMP are returned and added.
find_package(OpenMP)
if (OPENMP_FOUND)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
endif (OPENMP_FOUND)
# Create a 'distclean' target in case the user is using an in-source build for
# some reason.
include(CMake/TargetDistclean.cmake OPTIONAL)
include_directories(${CMAKE_SOURCE_DIR})
# 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})
else (WIN32)
# 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 (WIN32)
# 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(-D__MLPACK_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 (${MLPACK_TMP_REV_INFO_RESULT} EQUAL 0)
endif (GIT_FOUND)
# 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 mlpack_gitversion)
endif (USING_GIT STREQUAL "YES")
# 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 ARMADILLO_VERSION_MAJOR="${ARMADILLO_VERSION_MAJOR}"
-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")
add_dependencies(mlpack mlpack_arma_config)
# Make a target to generate the documentation. If Doxygen isn't installed, then
# I guess this option will just be unavailable.
find_package(Doxygen)
if (DOXYGEN_FOUND)
# 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}" -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 share/doc/mlpack
COMPONENT doc
OPTIONAL
)
endif (DOXYGEN_FOUND)
# Make a target to generate the man page documentation, but only if we are on a
# UNIX-like system.
if (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 (NOT TXT2MAN)
# 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
DEPENDS
allkfn allknn allkrann cf decision_stump det emst fastmks gmm
hmm_generate hmm_loglik hmm_train hmm_viterbi kernel_pca kmeans lars
linear_regression local_coordinate_coding logistic_regression lsh nbc
nca nmf pca perceptron radical range_search sparse_coding
COMMENT "Generating man pages from built executables."
)
# Set the rules to install the documentation.
install(DIRECTORY ${CMAKE_BINARY_DIR}/share/man/
DESTINATION share/man/man1/)
endif (NOT TXT2MAN)
endif (UNIX)