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9ccb075365
marian/CMakeLists.txt
Roman Grundkiewicz aad22c9d09
Add option for printing CMake cached variables (#583) 
* Add option --build-info
2020-03-10 10:29:50 -07:00

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CMake
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cmake_minimum_required(VERSION 3.5.1)
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
if (POLICY CMP0074)
cmake_policy(SET CMP0074 NEW) # CMake 3.12
endif ()
project(marian CXX C)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(BUILD_ARCH native CACHE STRING "Compile for this CPU architecture.")
# Custom CMake options
option(COMPILE_CPU "Compile CPU version" ON)
option(COMPILE_CUDA "Compile GPU version" ON)
option(COMPILE_CUDA_SM35 "Compile GPU version with SM35 support" ON)
option(COMPILE_CUDA_SM50 "Compile GPU version with SM50 support" ON)
option(COMPILE_CUDA_SM60 "Compile GPU version with SM60 support" ON)
option(COMPILE_CUDA_SM70 "Compile GPU version with SM70 support" ON)
option(COMPILE_EXAMPLES "Compile examples" OFF)
option(COMPILE_SERVER "Compile marian-server" OFF)
option(COMPILE_TESTS "Compile tests" OFF)
option(USE_CCACHE "Use ccache compiler cache (https://ccache.dev)" OFF)
option(USE_CUDNN "Use CUDNN library" OFF)
option(USE_DOXYGEN "Build documentation with Doxygen" ON)
option(USE_FBGEMM "Use FBGEMM" OFF)
option(USE_MKL "Compile with MKL support" ON)
option(USE_MPI "Use MPI library" OFF)
option(USE_NCCL "Use NCCL library" ON)
option(USE_SENTENCEPIECE "Download and compile SentencePiece" OFF)
option(USE_STATIC_LIBS "Link statically against non-system libs" OFF)
# use ccache (https://ccache.dev) for faster compilation if requested and available
if(USE_CCACHE)
find_program(CCACHE_PROGRAM ccache)
if(CCACHE_PROGRAM)
message(STATUS "Will be using ccache for faster repeat compilation (use cmake -DUSE_CCACHE=off to disable).")
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
else(CCACHE_PROGRAM)
message(WARNING "Compilation with ccache requested but no ccache found.")
endif(CCACHE_PROGRAM)
endif(USE_CCACHE)
# Project versioning
find_package(Git QUIET)
include(GetVersionFromFile)
message(STATUS "Project name: ${PROJECT_NAME}")
message(STATUS "Project version: ${PROJECT_VERSION_STRING_FULL}")
execute_process(COMMAND git submodule update --init --recursive --no-fetch
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
if(NOT CMAKE_BUILD_TYPE)
message(WARNING "CMAKE_BUILD_TYPE not set; setting to Release")
set(CMAKE_BUILD_TYPE "Release")
endif()
###############################################################################
# Set compilation flags
if(MSVC)
# These are used in src/CMakeLists.txt on a per-target basis
list(APPEND ALL_WARNINGS /WX; /W4;)
# Disabled bogus warnings for CPU intrincics:
# C4310: cast truncates constant value
# C4324: 'marian::cpu::int16::`anonymous-namespace'::ScatterPut': structure was padded due to alignment specifier
set(DISABLE_GLOBALLY "/wd\"4310\" /wd\"4324\"")
set(INTRINSICS "/arch:AVX")
# Or maybe use these?
# set(INTRINSICS "/arch:AVX2")
# set(INTRINSICS "/arch:AVX512")
set(CMAKE_CXX_FLAGS "/EHsc /DWIN32 /D_WINDOWS /DUNICODE /D_UNICODE /D_CRT_NONSTDC_NO_WARNINGS /D_CRT_SECURE_NO_WARNINGS ${DISABLE_GLOBALLY}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS} /MT /O2 ${INTRINSICS} /Zi /MP /GL /DNDEBUG")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS} /MTd /Od /Ob0 ${INTRINSICS} /RTC1 /Zi /D_DEBUG")
# ignores warning LNK4049: locally defined symbol free imported - this comes from zlib
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /DEBUG /LTCG:incremental /INCREMENTAL:NO /NODEFAULTLIB:MSVCRT /ignore:4049")
set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} /LTCG:incremental")
find_library(SHLWAPI Shlwapi.lib)
set(EXT_LIBS ${EXT_LIBS} SHLWAPI)
else(MSVC)
# Check we are using at least g++ 5.0
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
message(FATAL_ERROR "FATAL ERROR: Compiling Marian requires at least g++ 5.0, your version is ${CMAKE_CXX_COMPILER_VERSION}")
endif()
# Detect support CPU instrinsics for the current platform. This will
# only by used with BUILD_ARCH=native. For overridden BUILD_ARCH we
# minimally use -msse4.1. This seems to work with MKL.
set(INTRINSICS "")
list(APPEND INTRINSICS_NVCC)
if(BUILD_ARCH STREQUAL "native")
message(STATUS "Checking support for CPU intrinsics")
include(FindSSE)
if(SSE2_FOUND)
message(STATUS "SSE2 support found")
set(INTRINSICS "${INTRINSICS} -msse2")
list(APPEND INTRINSICS_NVCC -Xcompiler\ -msse2)
endif(SSE2_FOUND)
if(SSE3_FOUND)
message(STATUS "SSE3 support found")
set(INTRINSICS "${INTRINSICS} -msse3")
list(APPEND INTRINSICS_NVCC -Xcompiler\ -msse3)
endif(SSE3_FOUND)
if(SSE4_1_FOUND)
message(STATUS "SSE4.1 support found")
set(INTRINSICS "${INTRINSICS} -msse4.1")
list(APPEND INTRINSICS_NVCC -Xcompiler\ -msse4.1)
endif(SSE4_1_FOUND)
if(SSE4_2_FOUND)
message(STATUS "SSE4.2 support found")
set(INTRINSICS "${INTRINSICS} -msse4.2")
list(APPEND INTRINSICS_NVCC -Xcompiler\ -msse4.2)
endif(SSE4_2_FOUND)
if(AVX_FOUND)
message(STATUS "AVX support found")
set(INTRINSICS "${INTRINSICS} -mavx")
list(APPEND INTRINSICS_NVCC -Xcompiler\ -mavx)
endif(AVX_FOUND)
if(AVX2_FOUND)
message(STATUS "AVX2 support found")
set(INTRINSICS "${INTRINSICS} -mavx2")
list(APPEND INTRINSICS_NVCC -Xcompiler\ -mavx2)
endif(AVX2_FOUND)
if(AVX512_FOUND)
message(STATUS "AVX512 support found")
set(INTRINSICS "${INTRINSICS} -mavx512f")
list(APPEND INTRINSICS_NVCC -Xcompiler\ -mavx512f)
endif(AVX512_FOUND)
else()
set(INTRINSICS "-msse4.1")
endif()
if(USE_FBGEMM)
set(EXT_LIBS ${EXT_LIBS} fbgemm dl)
add_definitions(-DUSE_FBGEMM=1)
endif(USE_FBGEMM)
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 9.0)
# Clang-10.0.0 complains when CUDA is newer than 10.1
set(CLANG_IGNORE_UNKNOWN_CUDA "-Wno-unknown-cuda-version")
endif()
set(DISABLE_GLOBALLY "-Wno-unused-result -Wno-unknown-warning-option ${CLANG_IGNORE_UNKNOWN_CUDA}")
# These are used in src/CMakeLists.txt on a per-target basis
list(APPEND ALL_WARNINGS -Wall; -Werror; -Wextra; -Wno-unused-result; -Wno-deprecated;
-Wno-pragmas; -Wno-unused-parameter; -Wno-unused-function;
-Wno-unused-value; -Wno-unknown-pragmas; -Wno-sign-compare;
-Wno-missing-field-initializers;)
# This warning does not exist prior to gcc 5.0
if(CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 5.0)
list(APPEND ALL_WARNINGS -Wsuggest-override -Wno-int-in-bool-context)
endif()
if(CMAKE_COMPILER_IS_GNUCC)
# these flags are not known to clang
set(CMAKE_GCC_FLAGS "-Wl,--no-as-needed")
set(CMAKE_RDYNAMIC_FLAG "-rdynamic")
endif(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_CXX_FLAGS "-std=c++11 -pthread ${CMAKE_GCC_FLAGS} -fPIC ${DISABLE_GLOBALLY} -march=${BUILD_ARCH} ${INTRINSICS}")
set(CMAKE_CXX_FLAGS_RELEASE "-Ofast -m64 -funroll-loops -ffinite-math-only -g ${CMAKE_RDYNAMIC_FLAG}")
set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g ${CMAKE_RDYNAMIC_FLAG}")
set(CMAKE_CXX_FLAGS_SLIM "-Ofast -m64 -funroll-loops -ffinite-math-only -DNDEBUG")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELEASE}")
set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE} -pg")
set(CMAKE_CXX_FLAGS_PROFGEN "${CMAKE_CXX_FLAGS_RELEASE} -fprofile-generate -fprofile-correction")
set(CMAKE_CXX_FLAGS_PROFUSE "${CMAKE_CXX_FLAGS_RELEASE} -fprofile-use -fprofile-correction")
# these need to be set separately
set(CMAKE_C_FLAGS "-pthread ${CMAKE_GCC_FLAGS} -fPIC ${DISABLE_GLOBALLY} -march=${BUILD_ARCH} ${INTRINSICS}")
set(CMAKE_C_FLAGS_RELEASE "-O3 -m64 -funroll-loops -ffinite-math-only -g ${CMAKE_RDYNAMIC_FLAG}")
set(CMAKE_C_FLAGS_DEBUG "-O0 -g ${CMAKE_RDYNAMIC_FLAG}")
set(CMAKE_C_FLAGS_SLIM "-O3 -m64 -funroll-loops -ffinite-math-only -DNDEBUG")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELEASE}")
set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE} -pg")
set(CMAKE_C_FLAGS_PROFGEN "${CMAKE_C_FLAGS_RELEASE} -fprofile-generate -fprofile-correction")
set(CMAKE_C_FLAGS_PROFUSE "${CMAKE_C_FLAGS_RELEASE} -fprofile-use -fprofile-correction")
endif(MSVC)
###############################################################################
# Downloading SentencePiece if requested and set to compile with it.
# Requires all the dependencies imposed by SentencePiece
if(USE_SENTENCEPIECE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DUSE_SENTENCEPIECE")
LIST(APPEND CUDA_NVCC_FLAGS -DUSE_SENTENCEPIECE; )
set(EXT_LIBS ${EXT_LIBS} sentencepiece sentencepiece_train)
endif()
# Find packages
set(EXT_LIBS ${EXT_LIBS} ${CMAKE_DL_LIBS})
###############################################################################
if(COMPILE_CUDA)
if(USE_STATIC_LIBS)
# link statically to stdlib libraries
set(CMAKE_EXE_LINKER_FLAGS "-static-libgcc -static-libstdc++")
# look for libraries that have .a suffix
set(_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
if(WIN32)
list(INSERT CMAKE_FIND_LIBRARY_SUFFIXES 0 .lib .a)
else()
set(CMAKE_FIND_LIBRARY_SUFFIXES .a _static.a)
endif()
endif()
find_package(CUDA "9.0") # TODO: only enable FP16-related options for compute_70 and higher.
if(CUDA_FOUND)
# CUDA >= 10.0 requires CMake >= 3.12.2
if((CUDA_VERSION VERSION_EQUAL "10.0" OR CUDA_VERSION VERSION_GREATER "10.0") AND (CMAKE_VERSION VERSION_LESS "3.12.2"))
message(WARNING "On some Unix systems CUDA 10.0+ requires CMake 3.12.2+; you use CMake ${CMAKE_VERSION}")
endif()
if(COMPILE_CUDA_SM35)
LIST(APPEND COMPUTE -arch=sm_35; -gencode=arch=compute_35,code=sm_35;) # Tesla K40 and above
endif(COMPILE_CUDA_SM35)
if(COMPILE_CUDA_SM50)
LIST(APPEND COMPUTE -gencode=arch=compute_50,code=sm_50; -gencode=arch=compute_52,code=sm_52;) # Maxwell GPUs
endif(COMPILE_CUDA_SM50)
if(COMPILE_CUDA_SM60)
LIST(APPEND COMPUTE -gencode=arch=compute_60,code=sm_60; -gencode=arch=compute_61,code=sm_61;) # Pascal GPUs
endif(COMPILE_CUDA_SM60)
if(COMPILE_CUDA_SM70)
LIST(APPEND COMPUTE -gencode=arch=compute_70,code=sm_70; -gencode=arch=compute_70,code=compute_70) # Volta GPUs
endif(COMPILE_CUDA_SM70)
if(USE_STATIC_LIBS)
find_library(CUDA_culibos_LIBRARY NAMES culibos PATHS ${CUDA_TOOLKIT_ROOT_DIR}/lib64)
set(EXT_LIBS ${EXT_LIBS} ${CUDA_curand_LIBRARY} ${CUDA_cusparse_LIBRARY} ${CUDA_culibos_LIBRARY} ${CUDA_CUBLAS_LIBRARIES})
set(CUDA_LIBS ${CUDA_curand_LIBRARY} ${CUDA_cusparse_LIBRARY} ${CUDA_culibos_LIBRARY} ${CUDA_CUBLAS_LIBRARIES})
# CUDA 10.1 introduces cublasLt library that is required on static build
if ((CUDA_VERSION VERSION_EQUAL "10.1" OR CUDA_VERSION VERSION_GREATER "10.1"))
find_library(CUDA_cublasLt_LIBRARY NAMES cublasLt PATHS ${CUDA_TOOLKIT_ROOT_DIR}/lib64)
set(EXT_LIBS ${EXT_LIBS} ${CUDA_cublasLt_LIBRARY})
set(CUDA_LIBS ${CUDA_LIBS} ${CUDA_cublasLt_LIBRARY})
endif()
message(STATUS "Found CUDA libraries: ${CUDA_LIBS}")
else(USE_STATIC_LIBS)
set(EXT_LIBS ${EXT_LIBS} ${CUDA_curand_LIBRARY} ${CUDA_cusparse_LIBRARY} ${CUDA_CUBLAS_LIBRARIES})
message(STATUS "Found CUDA libraries: ${CUDA_curand_LIBRARY} ${CUDA_cusparse_LIBRARY} ${CUDA_CUBLAS_LIBRARIES}")
endif(USE_STATIC_LIBS)
if(USE_CUDNN)
find_package(CUDNN "7.0")
if(CUDNN_FOUND)
include_directories(${CUDNN_INCLUDE_DIRS})
set(EXT_LIBS ${EXT_LIBS} ${CUDNN_LIBRARIES})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DCUDNN")
LIST(APPEND CUDA_NVCC_FLAGS -DCUDNN; )
endif(CUDNN_FOUND)
endif(USE_CUDNN)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DCUDA_FOUND")
list(APPEND CUDA_NVCC_FLAGS -DCUDA_FOUND; )
if(MSVC)
list(APPEND CUDA_NVCC_FLAGS -DBOOST_PP_VARIADICS=0; )
endif()
if(USE_NCCL)
add_library(nccl STATIC IMPORTED)
set(EXT_LIBS ${EXT_LIBS} nccl)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DUSE_NCCL")
LIST(APPEND CUDA_NVCC_FLAGS -DUSE_NCCL; )
endif(USE_NCCL)
if(USE_STATIC_LIBS)
set(CMAKE_FIND_LIBRARY_SUFFIXES ${_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
endif()
else(CUDA_FOUND)
message("
Cannot find suitable CUDA libraries. Specify the path explicitly with
-DCUDA_TOOLKIT_ROOT_DIR=/path/to/appropriate/cuda/installation
(hint: try /usr/local/$(readlink /usr/local/cuda))
OR compile the CPU-only version of Marian with
-DCOMPILE_CUDA=off
")
message(FATAL_ERROR "FATAL ERROR: No suitable CUDA library found.")
endif(CUDA_FOUND)
else(COMPILE_CUDA)
message(WARNING "COMPILE_CUDA=off : Building only CPU version")
endif(COMPILE_CUDA)
# TODO: make compatible with older CUDA versions
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
list(APPEND CUDA_NVCC_FLAGS --default-stream per-thread; -O0; -g; --use_fast_math; ${COMPUTE})
else(CMAKE_BUILD_TYPE STREQUAL "Debug")
list(APPEND CUDA_NVCC_FLAGS --default-stream per-thread; -O3; -g; --use_fast_math; ${COMPUTE})
endif(CMAKE_BUILD_TYPE STREQUAL "Debug")
if(NOT MSVC)
# @TODO: add warnings here too
list(APPEND CUDA_NVCC_FLAGS -ccbin ${CMAKE_C_COMPILER}; -std=c++11; -Xcompiler\ -fPIC; -Xcompiler\ -Wno-unused-result; -Xcompiler\ -Wno-deprecated; -Xcompiler\ -Wno-pragmas; -Xcompiler\ -Wno-unused-value; -Xcompiler\ -Werror;)
list(APPEND CUDA_NVCC_FLAGS ${INTRINSICS_NVCC})
else()
list(APPEND CUDA_NVCC_FLAGS -Xcompiler\ /FS; )
endif()
list(REMOVE_DUPLICATES CUDA_NVCC_FLAGS)
set(CUDA_PROPAGATE_HOST_FLAGS OFF)
if(USE_STATIC_LIBS)
set(_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
if(WIN32)
list(INSERT CMAKE_FIND_LIBRARY_SUFFIXES 0 .lib .a)
else()
set(CMAKE_FIND_LIBRARY_SUFFIXES .a)
endif()
endif()
###############################################################################
# Find Tcmalloc
if(NOT WIN32)
find_package(Tcmalloc)
if(Tcmalloc_FOUND)
include_directories(${Tcmalloc_INCLUDE_DIR})
set(EXT_LIBS ${EXT_LIBS} ${Tcmalloc_LIBRARIES})
else(Tcmalloc_FOUND)
message(WARNING "Cannot find TCMalloc library. Continuing.")
endif(Tcmalloc_FOUND)
endif()
###############################################################################
# Find MPI
if(USE_MPI)
find_package(MPI 2.0)
if(MPI_FOUND)
include_directories(${MPI_INCLUDE_PATH})
set(EXT_LIBS ${EXT_LIBS} ${MPI_LIBRARIES})
add_definitions(-DMPI_FOUND=1)
endif(MPI_FOUND)
endif(USE_MPI)
###############################################################################
# Find MKL
if(COMPILE_CPU)
if(USE_MKL)
find_package(MKL)
endif(USE_MKL)
if(MKL_FOUND)
include_directories(${MKL_INCLUDE_DIR})
set(EXT_LIBS ${EXT_LIBS} ${MKL_LIBRARIES})
add_definitions(-DBLAS_FOUND=1 -DMKL_FOUND=1)
else(MKL_FOUND)
set(BLAS_VENDOR "OpenBLAS")
find_package(BLAS)
if(BLAS_FOUND)
include(FindCBLAS)
if(CBLAS_FOUND)
include_directories(${BLAS_INCLUDE_DIR} ${CBLAS_INCLUDE_DIR})
set(EXT_LIBS ${EXT_LIBS} ${BLAS_LIBRARIES} ${CBLAS_LIBRARIES})
add_definitions(-DBLAS_FOUND=1)
endif(CBLAS_FOUND)
endif(BLAS_FOUND)
endif(MKL_FOUND)
endif(COMPILE_CPU)
###############################################################################
# Find OpenSSL
set(BOOST_COMPONENTS "")
if(COMPILE_SERVER)
find_package(OpenSSL)
if(OpenSSL_FOUND)
message(STATUS "Found OpenSSL")
include_directories(${OPENSSL_INCLUDE_DIR})
set(EXT_LIBS ${EXT_LIBS} ${OPENSSL_CRYPTO_LIBRARY})
set(BOOST_COMPONENTS ${BOOST_COMPONENTS} system)
else(OpenSSL_FOUND)
message(WARNING "Cannot find OpenSSL library. Not compiling server.")
set(COMPILE_SERVER "off")
endif(OpenSSL_FOUND)
endif(COMPILE_SERVER)
if(USE_STATIC_LIBS)
set(CMAKE_FIND_LIBRARY_SUFFIXES ${_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
endif()
# TODO: move inside if(BOOST_COMPONENTS) ?
if(USE_STATIC_LIBS)
set(Boost_USE_STATIC_LIBS ON)
endif()
###############################################################################
# Find Boost if required
if(BOOST_COMPONENTS)
find_package(Boost COMPONENTS ${BOOST_COMPONENTS})
if(Boost_FOUND)
include_directories(${Boost_INCLUDE_DIRS})
set(EXT_LIBS ${EXT_LIBS} ${Boost_LIBRARIES})
set(EXT_LIBS ${EXT_LIBS} ${ZLIB_LIBRARIES}) # hack for static compilation
else(Boost_FOUND)
message(SEND_ERROR "Cannot find Boost libraries. Terminating.")
endif(Boost_FOUND)
endif(BOOST_COMPONENTS)
###############################################################################
if(COMPILE_TESTS)
enable_testing()
endif(COMPILE_TESTS)
if(COMPILE_EXAMPLES)
add_definitions(-DCOMPILE_EXAMPLES=1)
endif(COMPILE_EXAMPLES)
# Generate project_version.h to reflect our version number
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/src/common/project_version.h.in
${CMAKE_CURRENT_SOURCE_DIR}/src/common/project_version.h @ONLY)
# Generate build_info.cpp with CMake cache variables
include(GetCacheVariables)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/src/common/build_info.cpp.in
${CMAKE_CURRENT_SOURCE_DIR}/src/common/build_info.cpp @ONLY)
# Compile source files
include_directories(${marian_SOURCE_DIR}/src)
add_subdirectory(src)
###############################################################################
if(USE_DOXYGEN)
# Add a target to generate API documentation with Doxygen
find_package(Doxygen)
if(DOXYGEN_FOUND)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in
${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
add_custom_target(doc
${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating API documentation with Doxygen" VERBATIM
)
endif(DOXYGEN_FOUND)
endif(USE_DOXYGEN)
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