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CMakeLists.txt
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CMakeLists.txt
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# VDT Math Library
cmake_minimum_required(VERSION 3.2 FATAL_ERROR)
project (Vdt)
#-------------------------------------------------------------------------------
# Include the defaults
include ( CMakeDefaults.txt )
#-------------------------------------------------------------------------------
# configuration options -- you may change them when running cmake ==============
# with 'cmake -D <OPT>=<value> .'
option( DIAG "Build in diagnostic mode - all diagnostic exes (default cache entry: OFF)" OFF)
option( AVX "Use AVX instruction set (default cache entry: OFF)" OFF)
option( AVX2 "Use AVX2 instruction set (default cache entry: OFF)" OFF)
option( FMA "Use FMA instruction set (default cache entry: OFF)" OFF)
option( USERFLAGS "Pass arbitrary flags to the compiler")
option( SSE "Use SSE instruction set (default cache entry: ON)" ON)
option( NEON "Use NEON instruction set (default cache entry: OFF)" OFF)
option( BUILD_SHARED_LIBS "Build libraries as SHARED instead of STATIC (default cache entry: ON)" ON)
option( PRELOAD "Create in the library the symbols to preload the library (default cache entry: OFF)" OFF)
option( USE_VC "Use Vc library - requires symlink to Vc from ${CMAKE_SOURCE_DIR} (default cache entry: OFF)" OFF)
option( DEBUG "Compile library with debug symbols (default is OFF)" OFF)
message(${CMAKE_CXX_COMPILER_ID})
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
message(FATAL_ERROR "VDT requires GCC version >= 4.8")
set(COMP_IS_GCC TRUE)
endif()
elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
message(FATAL_ERROR "VDT requires AppleClang version >= 5.0")
endif()
set(COMP_IS_CLANG TRUE)
elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.3)
message(FATAL_ERROR "VDT requires Clang version >= 3.3")
endif()
set(COMP_IS_CLANG TRUE)
elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15.0)
message(FATAL_ERROR "VDT requires ICC >= 15.0")
set(COMP_IS_ICC TRUE)
endif()
else()
message(WARNING "You are using an unsupported compiler! Compilation has only been tested with Clang, ICC and GCC.")
endif()
# SIMD and FMA instructions set-------------------------------------------------
if (NEON)
message(STATUS "Using NEON instructions!")
set(PACKED_INSTR "-mfpu=neon ")
else()
if (SSE AND (NOT (AVX OR AVX2) ))
message(STATUS "Using SSE instructions!")
set(PACKED_INSTR "-msse")
endif ()
if (AVX AND (NOT AVX2))
message(STATUS "Using AVX instructions!")
set (PACKED_INSTR "-mavx")
if(CMAKE_COMPILER_IS_ICC)
set(PACKED_INSTR "-xavx")
endif()
endif ()
if (AVX2)
message(STATUS "Using AVX2 instructions!")
set (PACKED_INSTR "-mavx2")
if(CMAKE_COMPILER_IS_ICC)
set(PACKED_INSTR "-xavx2")
endif()
endif ()
if (FMA)
message(STATUS "Using FMA instructions!")
set (FMA_INSTR "-mfma")
endif ()
endif()
# To use svml at CERN ----------------------------------------------------------
set (INTEL_SVML_FLAGS "")
if (SVML)
message (STATUS "Linking SVML library")
set (INTEL_SVML_FLAGS "-mveclibabi=svml -L/afs/cern.ch/sw/IntelSoftware/linux/x86_64/Compiler/11.1/072/lib/intel64/ -lsvml -lirc")
endif (SVML)
# Vc setup ---------------------------------------------------------------------
if(USE_VC)
message(STATUS "VC usage is turned on now, if you do not intend to use it, run 'cmake -D USE_VC=0 .'")
set (VC_SYMLINK_MSG "To use Vc you must have a (symlink) 'Vc' leading to the Vc rootdir in your ${CMAKE_SOURCE_DIR}")
#check for files
set (VC_LIB_NAME "${CMAKE_SOURCE_DIR}/Vc/libVc.a")
set (VC_HEADER_NAME "${CMAKE_SOURCE_DIR}/Vc/include/Vc/Vc")
if(NOT EXISTS ${VC_LIB_NAME})
message(STATUS "Vc lib not found at ${VC_LIB_NAME}, turning off Vc usage")
message(STATUS ${VC_SYMLINK_MSG})
change_option(USE_VC 0)
endif(NOT EXISTS ${VC_LIB_NAME})
if (EXISTS ${VC_LIB_NAME})
if(NOT EXISTS ${VC_HEADER_NAME})
message(STATUS "Vc header not found at ${VC_HEADER_NAME}, turning off Vc usage")
message(STATUS ${VC_SYMLINK_MSG})
change_option(USE_VC 0)
endif(NOT EXISTS ${VC_HEADER_NAME})
endif(EXISTS ${VC_LIB_NAME})
link_directories( ${CMAKE_SOURCE_DIR}/Vc )
endif(USE_VC)
# set compiler options =========================================================
if(DIAG)
# Library for time measurement: macOS and Linux
set (LIBTIMING "rt")
# do not set it if on macOS
if (APPLE AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
set (LIBTIMINGAPPLE "-framework Carbon")
endif ()
endif(DIAG)
#-------------------------------------------------------------------------------
# Compiler optimisations
set (VECT_OPT "-Ofast")
if (CMAKE_COMPILER_IS_ICC)
set (VECT_OPT "")
endif()
if (${COMP_IS_GCC})
set (VECTORIZER_VERBOSITY "-ftree-vectorizer-verbose=0")
set (INLINE_OPT " --param vect-max-version-for-alias-checks=50 --param inline-unit-growth=150")
endif()
set (CPP11_OPT "-std=c++11")
set (VERBOSITY_OPT "-Winline")
# set it for clang until it understands __always_inline
set (CLANG_INLINE_DEFINE "")
if (${COMP_IS_CLANG})
set (CLANG_INLINE_DEFINE "-D__extern_always_inline=inline")
endif()
# compiler dependent changes ---------------------------------------------------
if(${COMP_IS_ICC})
set (VECTORIZER_VERBOSITY "")
set (INLINE_OPT "")
endif()
set (WARNING_FLAGS "-W -Wall -Werror -Wno-error=unused-parameter")
if (DEBUG)
set (DEBUG_FLAGS " -g")
message(STATUS "Adding debugging symbols")
endif ()
set (COMMON_FLAGS "${CPP11_OPT} ${INTEL_SVML_FLAGS} ${PACKED_INSTR} ${FMA_INSTR} ${INLINE_OPT} ${WARNING_FLAGS} ${DEBUG_FLAGS} ${CLANG_INLINE_DEFINE}")
if (USERFLAGS)
set (COMMON_FLAGS "${COMMON_FLAGS} ${USERFLAGS}")
endif()
set (LIB_FLAGS "${VERBOSITY_OPT} ${VECT_OPT} ${VECTORIZER_VERBOSITY} ${COMMON_FLAGS}")
set (DIAG_FLAGS "${LIBTIMINGAPPLE} ${VECT_OPT} ${COMMON_FLAGS}")
# Locations ====================================================================
# Location of executables
set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin )
# Location of sources
set( SRC_DIR ${CMAKE_SOURCE_DIR}/src )
# Location of library
set( LIB_DIR ${CMAKE_SOURCE_DIR}/lib )
# Common Includes
set (INC_DIR ${CMAKE_SOURCE_DIR}/include )
#-------------------------------------------------------------------------------
add_subdirectory( src )
add_subdirectory( lib )
if (DIAG)
message("DIAG option is now on, building diagnostic programs")
add_subdirectory( progs )
add_subdirectory( progs/units )
else(DIAG)
message("DIAG option is now off, building library only")
endif(DIAG)
#-------------------------------------------------------------------------------
# Installation
# Install location
INSTALL(FILES
include/asin.h
include/atan.h
include/tanh.h
include/atan2.h
include/cos.h
include/exp.h
include/identity.h
include/inv.h
include/log.h
include/sincos.h
include/sin.h
include/sqrt.h
include/tan.h
include/vdtcore_common.h
include/vdtMath.h
DESTINATION include/vdt)