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cmake_minimum_required(VERSION 3.1)
if (WIN32)
set(Boost_USE_STATIC_LIBS OFF)
# The auto-linking feature has problems with USE_STATIC_LIBS off, so we use
# BOOST_ALL_NO_LIB to turn it off.
# Several boost libraries headers aren't configured correctly if
# USE_STATIC_LIBS is off, so we explicitly say they are dynamic with the
# remaining definitions.
add_definitions(-DBOOST_ALL_NO_LIB -DBOOST_PROGRAM_OPTIONS_DYN_LINK -DBOOST_IOSTREAMS_DYN_LINK -DBOOST_THREAD_DYN_LINK)
endif( )
# Define a single cmake project
project(kenlm)
option(FORCE_STATIC "Build static executables" OFF)
option(COMPILE_TESTS "Compile tests" OFF)
option(ENABLE_PYTHON "Build Python bindings" OFF)
# Eigen3 less than 3.1.0 has a race condition: http://eigen.tuxfamily.org/bz/show_bug.cgi?id=466
find_package(Eigen3 3.1.0 CONFIG)
include(CMakeDependentOption)
cmake_dependent_option(ENABLE_INTERPOLATE "Build interpolation program (depends on Eigen3)" ON "EIGEN3_FOUND AND NOT WIN32" OFF)
if (FORCE_STATIC)
#presumably overkill, is there a better way?
#http://cmake.3232098.n2.nabble.com/Howto-compile-static-executable-td5580269.html
set(Boost_USE_STATIC_LIBS ON)
set_property(GLOBAL PROPERTY LINK_SEARCH_START_STATIC ON)
set_property(GLOBAL PROPERTY LINK_SEARCH_END_STATIC ON)
set(BUILD_SHARED_LIBRARIES OFF)
if (MSVC)
set(flag_vars
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO
CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
foreach(flag_var ${flag_vars})
if(${flag_var} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
endif(${flag_var} MATCHES "/MD")
endforeach(flag_var)
else (MSVC)
if (NOT CMAKE_C_COMPILER_ID MATCHES ".*Clang")
set(CMAKE_EXE_LINKER_FLAGS "-static-libgcc -static-libstdc++ -static")
endif ()
set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
endif ()
#Annoyingly the exectuables say "File not found" unless these are set
set(CMAKE_EXE_LINK_DYNAMIC_C_FLAGS)
set(CMAKE_EXE_LINK_DYNAMIC_CXX_FLAGS)
set(CMAKE_SHARED_LIBRARY_C_FLAGS)
set(CMAKE_SHARED_LIBRARY_CXX_FLAGS)
set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS)
set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS)
endif ()
# Compile all executables into bin/
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
# Compile all libraries into lib/
set(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)
if (NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif()
if (COMPILE_TESTS)
# Tell cmake that we want unit tests to be compiled
include(CTest)
enable_testing()
endif()
# Add our CMake helper functions
include(cmake/KenLMFunctions.cmake)
if(MSVC)
set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} /w34716")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /w34716")
endif()
# And our helper modules
list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/modules)
# We need boost
find_package(Boost 1.41.0 REQUIRED COMPONENTS
program_options
system
thread
unit_test_framework
)
# Define where include files live
include_directories(
${PROJECT_SOURCE_DIR}
${Boost_INCLUDE_DIRS}
)
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
# Process subdirectories
add_subdirectory(util)
add_subdirectory(lm)
foreach(SUBDIR IN ITEMS util util/double-conversion util/stream lm lm/builder lm/common lm/filter lm/interpolate)
file(GLOB HEADERS ${CMAKE_CURRENT_LIST_DIR}/${SUBDIR}/*.h ${CMAKE_CURRENT_LIST_DIR}/${SUBDIR}/*.hh)
install(FILES ${HEADERS} DESTINATION include/kenlm/${SUBDIR})
endforeach(SUBDIR)
if(ENABLE_PYTHON)
add_subdirectory(python)
endif()
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