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#
#//===----------------------------------------------------------------------===//
#//
#// The LLVM Compiler Infrastructure
#//
#// This file is dual licensed under the MIT and the University of Illinois Open
#// Source Licenses. See LICENSE.txt for details.
#//
#//===----------------------------------------------------------------------===//
#
################
# CMAKE libiomp5
cmake_minimum_required(VERSION 2.8 FATAL_ERROR)
#########
# GLOBALS
set(GLOBAL_DEBUG 0)
# Add cmake directory to search for custom cmake functions
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
# Set base libomp directory (directory with exports/ , src/ , tools/ , etc.)
# The top-level CMakeLists.txt should define this variable.
set(LIBOMP_WORK ${CMAKE_CURRENT_SOURCE_DIR})
#######################################################################
# Standalone build or part of LLVM?
set(LIBIOMP_STANDALONE_BUILD FALSE)
if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}" OR
"${CMAKE_SOURCE_DIR}/runtime" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
project(libiomp C CXX)
set(LIBIOMP_STANDALONE_BUILD TRUE)
endif()
# These include files are in cmake/ subdirectory except for FindPerl which is a cmake standard module
include(HelperFunctions)
include(Definitions) # -D definitions when compiling
include(CommonFlags) # compiler, assembler, fortran, linker flags common for all compilers
include(SourceFiles) # source files to compile
include(PerlFlags) # Perl flags for generate-def.pl and expand-vars.pl
include(FindPerl) # Standard cmake module to check for Perl
include(GetArchitecture) # get_architecture()
####################################################################
# CONFIGURATION
#
# * Any variable/value that is CACHE-ed can be changed after the initial run of cmake
# through the file, CMakeCache.txt which is in the build directory.
# * If you change any value in CMakeCache.txt, then just run cmake ..
# and the changed will be picked up. One can also use -DVARIABLE=VALUE
# when calling cmake to changed configuration values.
# * CMAKE_C_COMPILER, CMAKE_CXX_COMPILER, CMAKE_ASM_MASM_COMPILER, CMAKE_ASM_COMPILER,
# CMAKE_Fortran_COMPILER can only by specified on the initial run of cmake.
# This means you cannot specify -DCMAKE_C_COMPILER= on a subsequent run of cmake
# in the same build directory until that build directory is emptied.
# If you want to change the compiler, then empty the build directory and rerun cmake.
# Build Configuration
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set(os_possible_values lin mac win)
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set(arch_possible_values 32e 32 arm ppc64 ppc64le aarch64 mic)
set(build_type_possible_values release debug relwithdebinfo)
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set(omp_version_possible_values 41 40 30)
set(lib_type_possible_values normal profile stubs)
set(mic_arch_possible_values knf knc)
# Below, cmake will try and determine the operating system and architecture for you.
# These values are set in CMakeCache.txt when cmake is first run (-Dvar_name=... will take precedence)
# parameter | default value
# ----------------------------
# Right now, this build system considers os=lin to mean "Unix-like that is not MAC"
if(${APPLE}) # Apple goes first because CMake considers Mac to be a Unix based operating system, while libiomp5 considers it a special case
set(temp_os mac)
elseif(${UNIX})
set(temp_os lin)
elseif(${WIN32})
set(temp_os win)
set(temp_os lin)
endif()
# If adding a new architecture, take a look at cmake/GetArchitecture.cmake
get_architecture(detected_arch)
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set(os ${temp_os} CACHE STRING "The operating system to build for (lin/mac/win)")
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set(arch ${detected_arch} CACHE STRING "The architecture to build for (32e/32/arm/ppc64/ppc64le/aarch64/mic). 32e is Intel(R) 64 architecture, 32 is IA-32 architecture")
set(lib_type normal CACHE STRING "Performance,Profiling,Stubs library (normal/profile/stubs)")
set(version 5 CACHE STRING "Produce libguide (version 4) or libiomp5 (version 5)")
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set(omp_version 41 CACHE STRING "The OpenMP version (41/40/30)")
set(mic_arch knc CACHE STRING "Intel(R) Many Integrated Core Architecture (Intel(R) MIC Architecture) (knf/knc). Ignored if not Intel(R) MIC Architecture build.")
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set(create_fortran_modules false CACHE BOOL "Create Fortran module files? (requires fortran compiler)")
# - These tests are little tests performed after the library is formed.
# - The library won't be copied to the exports directory until it has passed/skipped all below tests
# - To skip these tests, just pass -Dtests=OFF to cmake or change tests value in CMakeCache.txt to OFF after running cmake
set(test_touch true CACHE BOOL "Perform a small touch test?" )
set(test_relo true CACHE BOOL "Perform a relocation test for dynamic libraries?" )
set(test_execstack true CACHE BOOL "Perform a execstack test for linux dynamic libraries?" )
set(test_instr true CACHE BOOL "Perform an instruction test for Intel(R) MIC Architecture libraries?" )
set(test_deps true CACHE BOOL "Perform a library dependency test?" )
set(tests false CACHE BOOL "Perform touch, relo, execstack, instr, and deps tests?" )
# - stats-gathering enables OpenMP stats where things like the number of parallel regions, clock ticks spent in
# particular openmp regions are recorded.
set(stats false CACHE BOOL "Stats-Gathering functionality?" )
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# OMPT-support
set(ompt_support false CACHE BOOL "OMPT-support?" )
set(ompt_blame true CACHE BOOL "OMPT-blame?" )
set(ompt_trace true CACHE BOOL "OMPT-trace?" )
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# User specified flags. These are appended to the predetermined flags found in CommonFlags.cmake and ${CMAKE_C_COMPILER_ID}/*Flags.cmake (e.g., GNU/CFlags.cmake)
set(LIBIOMP_CFLAGS "" CACHE STRING "Appended user specified C compiler flags." )
set(LIBIOMP_CXXFLAGS "" CACHE STRING "Appended user specified C++ compiler flags." )
set(LIBIOMP_CPPFLAGS "" CACHE STRING "Appended user specified C preprocessor flags." )
set(LIBIOMP_ASMFLAGS "" CACHE STRING "Appended user specified assembler flags." )
set(LIBIOMP_LDFLAGS "" CACHE STRING "Appended user specified linker flags." )
set(LIBIOMP_LIBFLAGS "" CACHE STRING "Appended user specified linked libs flags. (e.g., -lm)")
set(LIBIOMP_FFLAGS "" CACHE STRING "Appended user specified Fortran compiler flags. These are only used if create_fortran_modules==true." )
# - Allow three build types: Release, Debug, RelWithDebInfo (these relate to build.pl's release, debug, and diag settings respectively)
# - default is Release (when CMAKE_BUILD_TYPE is not defined)
# - CMAKE_BUILD_TYPE affects the -O and -g flags (CMake magically includes correct version of them on per compiler basis)
# - typical: Release = -O3 -DNDEBUG
# RelWithDebInfo = -O2 -g -DNDEBUG
# Debug = -g
if(CMAKE_BUILD_TYPE)
# CMAKE_BUILD_TYPE was defined, check for validity
string(TOLOWER "${CMAKE_BUILD_TYPE}" cmake_build_type_lowercase)
check_variable(cmake_build_type_lowercase "${build_type_possible_values}")
else()
# CMAKE_BUILD_TYPE was not defined, set default to Release
unset(CMAKE_BUILD_TYPE CACHE)
set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build, options are: Release/Debug/RelWithDebInfo")
string(TOLOWER "${CMAKE_BUILD_TYPE}" cmake_build_type_lowercase)
check_variable(cmake_build_type_lowercase "${build_type_possible_values}")
endif()
if(${LIBIOMP_STANDALONE_BUILD})
set(LIBIOMP_LIBDIR_SUFFIX "" CACHE STRING "suffix of lib installation directory e.g., 64 => lib64")
else()
set(LIBIOMP_LIBDIR_SUFFIX ${LLVM_LIBDIR_SUFFIX})
endif()
# Check valid values
check_variable(os "${os_possible_values}" )
check_variable(arch "${arch_possible_values}" )
check_variable(omp_version "${omp_version_possible_values}")
check_variable(lib_type "${lib_type_possible_values}" )
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if("${arch}" STREQUAL "mic")
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check_variable(mic_arch "${mic_arch_possible_values}" )
endif()
# Get the build number from kmp_version.c
get_build_number("${LIBOMP_WORK}" build_number)
# Getting time and date
# As of now, no timestamp will be created.
set(date "No Timestamp")
#################################################################
# Set some useful flags variables for other parts of cmake to use
# Operating System
set(LINUX FALSE)
set(MAC FALSE)
set(WINDOWS FALSE)
set(MIC FALSE)
set(FREEBSD FALSE)
if("${os}" STREQUAL "lin")
set(LINUX TRUE)
set(real_os lin)
elseif("${os}" STREQUAL "mac")
set(MAC TRUE)
set(real_os mac)
elseif("${os}" STREQUAL "win")
set(WINDOWS TRUE)
set(real_os win)
endif()
if("${CMAKE_SYSTEM_NAME}" STREQUAL "FreeBSD")
set(FREEBSD TRUE)
endif()
# Architecture
set(IA32 FALSE)
set(INTEL64 FALSE)
set(ARM FALSE)
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set(PPC64BE FALSE)
set(PPC64LE FALSE)
if("${arch}" STREQUAL "32") # IA-32 architecture
set(IA32 TRUE)
elseif("${arch}" STREQUAL "32e") # Intel(R) 64 architecture
set(INTEL64 TRUE)
elseif("${arch}" STREQUAL "arm") # ARM architecture
set(ARM TRUE)
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elseif("${arch}" STREQUAL "ppc64") # PPC64BE architecture
set(PPC64BE TRUE)
set(PPC64 TRUE)
elseif("${arch}" STREQUAL "ppc64le") # PPC64LE architecture
set(PPC64LE TRUE)
set(PPC64 TRUE)
elseif("${arch}" STREQUAL "aarch64") # AARCH64 architecture
set(AARCH64 TRUE)
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elseif("${arch}" STREQUAL "mic") # Intel(R) Many Integrated Core Architecture
set(MIC TRUE)
endif()
# Set some flags based on build_type
# cmake_build_type_lowercase is based off of CMAKE_BUILD_TYPE, just put in lowercase.
set(RELEASE_BUILD FALSE)
set(DEBUG_BUILD FALSE)
set(RELWITHDEBINFO_BUILD FALSE)
if("${cmake_build_type_lowercase}" STREQUAL "release")
set(RELEASE_BUILD TRUE)
elseif("${cmake_build_type_lowercase}" STREQUAL "debug")
set(DEBUG_BUILD TRUE)
elseif("${cmake_build_type_lowercase}" STREQUAL "relwithdebinfo")
set(RELWITHDEBINFO_BUILD TRUE)
endif()
# Stats-gathering on or off?
set(STATS_GATHERING FALSE)
if("${stats}") # string "on" or "ON" is seen as boolean TRUE
set(STATS_GATHERING TRUE)
endif()
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# OMPT-support
set(OMPT_SUPPORT FALSE)
if("${ompt_support}") # string "on" or "ON" is seen as boolean TRUE
set(OMPT_SUPPORT TRUE)
endif()
set(OMPT_BLAME TRUE)
if(NOT "${ompt_blame}") # string "on" or "ON" is seen as boolean TRUE
set(OMPT_BLAME FALSE)
endif()
set(OMPT_TRACE TRUE)
if(NOT "${ompt_trace}") # string "on" or "ON" is seen as boolean TRUE
set(OMPT_TRACE FALSE)
endif()
# Include itt notify interface? Right now, always.
set(USE_ITT_NOTIFY TRUE)
# normal, profile, stubs library.
set(NORMAL_LIBRARY FALSE)
set(STUBS_LIBRARY FALSE)
set(PROFILE_LIBRARY FALSE)
if("${lib_type}" STREQUAL "normal")
set(NORMAL_LIBRARY TRUE)
elseif("${lib_type}" STREQUAL "profile")
set(PROFILE_LIBRARY TRUE)
elseif("${lib_type}" STREQUAL "stubs")
set(STUBS_LIBRARY TRUE)
endif()
###############################################
# Features for compilation and build in general
# - Does the compiler support a 128-bit floating point data type? Default is false
# - If a compiler does, then change it in the CMakeCache.txt file (or using the cmake GUI)
# or send to cmake -DCOMPILER_SUPPORTS_QUAD_PRECISION=true
# - If COMPILER_SUPPORTS_QUAD_PRECISION is true, then a corresponding COMPILER_QUAD_TYPE must be given
# This is the compiler's quad-precision data type.
# ** TODO: This isn't complete yet. Finish it. Requires changing macros in kmp_os.h **
set(COMPILER_SUPPORTS_QUAD_PRECISION false CACHE BOOL "*INCOMPLETE* Does the compiler support a 128-bit floating point type?")
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set(COMPILER_QUAD_TYPE "" CACHE STRING "*INCOMPLETE* The quad precision data type (e.g., for gcc, __float128)")
# - Should the orignal build rules for builds be used? (cmake/OriginalBuildRules.cmake). This setting is off by default.
# - This always compiles with -g. And if it is a release build, the debug info is stripped out via objcopy and put into libiomp5.dbg.
set(USE_BUILDPL_RULES false CACHE BOOL "Should the build follow build.pl rules/recipes?")
# - Should the build use the predefined linker flags (OS-dependent) in CommonFlags.cmake?
# - these predefined linker flags should work for Windows, Mac, and True Linux for the most popular compilers/linkers
set(USE_PREDEFINED_LINKER_FLAGS true CACHE BOOL "Should the build use the predefined linker flags in CommonFlags.cmake?")
# - On multinode systems, larger alignment is desired to avoid false sharing
set(USE_INTERNODE_ALIGNMENT false CACHE BOOL "Should larger alignment (4096 bytes) be used for some locks and data structures?")
# - libgomp drop-in compatibility
if(${LINUX} AND NOT ${PPC64})
set(USE_VERSION_SYMBOLS true CACHE BOOL "Should version symbols be used? These provide binary compatibility with libgomp.")
else()
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set(USE_VERSION_SYMBOLS false CACHE BOOL "Version symbols not supported." FORCE)
endif()
# - TSX based locks have __asm code which can be troublesome for some compilers. This feature is also x86 specific.
if(${IA32} OR ${INTEL64})
set(USE_ADAPTIVE_LOCKS true CACHE BOOL "Should TSX-based lock be compiled (adaptive lock in kmp_lock.cpp). These are x86 specific.")
else()
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set(USE_ADAPTIVE_LOCKS false CACHE BOOL "TSX-based locks not supported. These are x86 specific." FORCE)
endif()
##################################
# Error checking the configuration
if(${STATS_GATHERING} AND (${WINDOWS} OR ${MAC}))
error_say("Stats-gathering functionality is only supported on x86-Linux and Intel(R) MIC Architecture")
endif()
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if(${STATS_GATHERING} AND NOT (${IA32} OR ${INTEL64} OR ${MIC}))
error_say("Stats-gathering functionality is only supported on x86-Linux and Intel(R) MIC Architecture")
endif()
if(${USE_ADAPTIVE_LOCKS} AND NOT(${IA32} OR ${INTEL64}))
error_say("Adaptive locks (TSX) functionality is only supported on x86 Architecture")
endif()
###############################################
# - Create the suffix for the export directory
# - Only add to suffix when not a default value
# - Example suffix: .deb.30.s1
# final export directory: exports/lin_32e.deb.30.s1/lib
# - These suffixes imply the build is a Debug, OpenMP 3.0, Stats-Gathering version of the library
if(NOT "${cmake_build_type_lowercase}" STREQUAL "release")
string(SUBSTRING "${cmake_build_type_lowercase}" 0 3 build_type_suffix)
set(suffix "${suffix}.${build_type_suffix}")
endif()
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if(NOT "${omp_version}" STREQUAL "41")
set(suffix "${suffix}.${omp_version}")
endif()
if(${STATS_GATHERING})
set(suffix "${suffix}.s1")
endif()
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if(${OMPT_SUPPORT})
set(suffix "${suffix}.ompt")
if(NOT ${OMPT_BLAME})
set(suffix "${suffix}.no-ompt-blame")
endif()
if(NOT ${OMPT_TRACE})
set(suffix "${suffix}.no-ompt-trace")
endif()
endif()
####################################
# Setting file extensions / suffixes
set(obj ${CMAKE_C_OUTPUT_EXTENSION} )
set(lib ${CMAKE_STATIC_LIBRARY_SUFFIX})
set(dll ${CMAKE_SHARED_LIBRARY_SUFFIX})
set(exe ${CMAKE_EXECUTABLE_SUFFIX} )
######################
# Find perl executable
# Perl is used to create omp.h (and other headers) along with kmp_i18n_id.inc and kmp_i18n_default.inc (see below in Rules section)
if(NOT "${PERL_FOUND}") # variable is defined in FindPerl Standard CMake Module
error_say("Error: Could not find valid perl")
endif()
#########################
# Setting directory names
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if(${MIC})
set(platform "${real_os}_${mic_arch}" ) # e.g., lin_knf, lin_knc
else()
set(platform "${real_os}_${arch}" ) # e.g., lin_32e, mac_32
endif()
set(build_dir "${CMAKE_CURRENT_BINARY_DIR}" ) # build directory (Where CMakeCache.txt is created, build files generated)
set(src_dir "${LIBOMP_WORK}/src" )
set(tools_dir "${LIBOMP_WORK}/tools" )
set(export_dir "${LIBOMP_WORK}/exports" )
set(export_ptf_dir "${export_dir}/${platform}${suffix}")
set(export_cmn_dir1 "${export_dir}/common${suffix}/include")
set(export_cmn_dir2 "${export_dir}/common${suffix}/include_compat")
set(export_inc_dir "${export_ptf_dir}/include")
set(export_mod_dir "${export_ptf_dir}/include_compat")
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_export_lib_dir(${platform} export_lib_dir) # set exports directory (relative to build_dir) e.g., ../exports/lin_32e/lib/
# or ../exports/mac_32e/lib.thin/ for mac
if(${MAC})
# macs use lib.thin/ subdirectory for non-fat libraries that only contain one architecture
# macs use lib/ subdirectory for fat libraries that contain both IA-32 architecture and Intel(R) 64 architecture code.
_export_lib_fat_dir(${platform} export_lib_fat_dir)
endif()
set(inc_dir "${LIBOMP_WORK}/src/include/${omp_version}")
############################
# Setting final library name
set(lib_item "libiomp")
if(${PROFILE_LIBRARY})
set(lib_item "${lib_item}prof")
endif()
if(${STUBS_LIBRARY})
set(lib_item "${lib_item}stubs")
endif()
set(lib_item "${lib_item}${version}")
if(${WINDOWS})
set(lib_item "${lib_item}md")
endif()
set(IOMP_LIB_NAME "${lib_item}" CACHE STRING "OMP library name")
set(lib_ext "${dll}")
# ${lib_file} is real library name:
# libiomp5.so for Linux
# libiomp5.dylib for Mac
# libiomp5md.dll for Windows
set(lib_file "${IOMP_LIB_NAME}${lib_ext}")
########################################
# Setting export file names
if(${WINDOWS})
set(imp_file "${lib_item}${lib}") # this is exported (libiomp5md.lib)
set(def_file "${lib_item}.def") # this is not exported
set(rc_file "${lib_item}.rc") # this is not exported
if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug" OR "${CMAKE_BUILD_TYPE}" STREQUAL "RelWithDebInfo" OR ${USE_BUILDPL_RULES})
set(pdb_file "${lib_file}.pdb") # this is exported if it exists (libiomp5md.dll.pdb)
endif()
endif()
set(export_lib_files "${lib_file}" "${imp_file}" "${pdb_file}")
set(export_inc_files "iomp_lib.h")
set(export_mod_files "omp_lib.mod" "omp_lib_kinds.mod")
set(export_cmn_files1 "omp.h" "omp_lib.h" "omp_lib.f" "omp_lib.f90")
set(export_cmn_files2 "iomp.h")
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if(${OMPT_SUPPORT})
set(export_cmn_files1 ${export_cmn_files1} "ompt.h")
endif()
set(export_cmn_files "${export_cmn_files1}" "${export_cmn_files2}")
if("${export_lib_fat_dir}")
set(export_lib_fat_files "${lib_file}" "${imp_file}")
endif()
#########################
# Getting legal type/arch
set_legal_type(legal_type)
set_legal_arch(legal_arch)
#################################################
# Preprocessor Definitions (cmake/Definitions.cmake)
# Preprocessor Includes
# Compiler (C/C++) Flags (cmake/CommonFlags.cmake)
# Assembler Flags (cmake/CommonFlags.cmake)
# Fortran Flags (cmake/CommonFlags.cmake)
# Linker Flags (cmake/CommonFlags.cmake)
# Archiver Flags (cmake/CommonFlags.cmake)
# Helper Perl Script Flags (cmake/PerlFlags.cmake)
# * Inside the cmake/CommonFlags.cmake file, the LIBIOMP_*FLAGS are added.
# * Cannot use CMAKE_*_FLAGS directly because -x c++ is put in the linker command and mangles the linking phase.
# preprocessor flags (-D definitions and -I includes)
# Grab environment variable CPPFLAGS and append those to definitions
set(include_dirs ${CMAKE_CURRENT_BINARY_DIR} ${src_dir} ${src_dir}/i18n ${inc_dir} ${src_dir}/thirdparty/ittnotify)
include_directories(${include_dirs})
# Grab compiler-dependent flags
# Cmake will look for cmake/${CMAKE_C_COMPILER_ID}/CFlags.cmake to append additional c, cxx, and linker flags.
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/${CMAKE_C_COMPILER_ID} ${CMAKE_MODULE_PATH})
find_file(compiler_specific_include_file_found CFlags.cmake ${CMAKE_MODULE_PATH})
if(compiler_specific_include_file_found)
include(CFlags) # COMPILER_SUPPORTS_QUAD_PRECISION changed in here
append_compiler_specific_c_and_cxx_flags(C_FLAGS CXX_FLAGS)
append_compiler_specific_linker_flags(LD_FLAGS LD_LIB_FLAGS)
else()
warning_say("Could not find cmake/${CMAKE_C_COMPILER_ID}/CFlags.cmake: will only use default flags")
endif()
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# Grab assembler-dependent flags
# CMake will look for cmake/${CMAKE_ASM_COMPILER_ID}/AsmFlags.cmake to append additional assembler flags.
if(${WINDOWS})
# Windows based systems use CMAKE_ASM_MASM_COMPILER
# The windows assembly files are in MASM format, and they require a tool that can handle MASM syntax (ml.exe or ml64.exe typically)
enable_language(ASM_MASM)
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/${CMAKE_ASM_MASM_COMPILER_ID} ${CMAKE_MODULE_PATH})
find_file(assembler_specific_include_file_found AsmFlags.cmake ${CMAKE_MODULE_PATH})
if(assembler_specific_include_file_found)
include(AsmFlags)
append_assembler_specific_asm_flags(ASM_FLAGS)
else()
warning_say("Could not find cmake/${CMAKE_ASM_MASM_COMPILER_ID}/AsmFlags.cmake: will only use default flags")
endif()
else()
# Unix (including Mac) based systems use CMAKE_ASM_COMPILER
# Unix assembly files can be handled by compiler usually.
find_file(assembler_specific_include_file_found AsmFlags.cmake ${CMAKE_MODULE_PATH})
if(assembler_specific_include_file_found)
include(AsmFlags)
append_assembler_specific_asm_flags(ASM_FLAGS)
else()
warning_say("Could not find cmake/${CMAKE_ASM_COMPILER_ID}/AsmFlags.cmake: will only use default flags")
endif()
endif()
# Grab all the compiler-independent flags
append_c_and_cxx_flags_common(C_FLAGS CXX_FLAGS)
append_asm_flags_common(ASM_FLAGS)
append_fort_flags_common(F_FLAGS)
append_linker_flags_common(LD_FLAGS LD_LIB_FLAGS)
append_archiver_flags_common(AR_FLAGS)
append_cpp_flags(DEFINITIONS_FLAGS)
# Setup the flags correctly for cmake (covert to string)
# Pretty them up (STRIP any beginning and trailing whitespace)
list_to_string("${DEFINITIONS_FLAGS}" DEFINITIONS_FLAGS)
list_to_string("${C_FLAGS}" C_FLAGS )
list_to_string("${CXX_FLAGS}" CXX_FLAGS )
list_to_string("${ASM_FLAGS}" ASM_FLAGS )
list_to_string("${LD_FLAGS}" LD_FLAGS )
list_to_string("${LD_LIB_FLAGS}" LD_LIB_FLAGS )
list_to_string("${AR_FLAGS}" AR_FLAGS ) # Windows specific for creating import library
string(STRIP "${DEFINITIONS_FLAGS}" DEFINITIONS_FLAGS)
string(STRIP "${C_FLAGS}" C_FLAGS )
string(STRIP "${CXX_FLAGS}" CXX_FLAGS )
string(STRIP "${ASM_FLAGS}" ASM_FLAGS )
string(STRIP "${LD_FLAGS}" LD_FLAGS )
string(STRIP "${LD_LIB_FLAGS}" LD_LIB_FLAGS )
string(STRIP "${AR_FLAGS}" AR_FLAGS ) # Windows specific for creating import library
# Grab the Perl flags
set_ev_flags(ev_flags) # expand-vars.pl flags
set_gd_flags(gd_flags) # generate-def.pl flags (Windows only)
set(oa_opts "--os=${real_os}" "--arch=${arch}") # sent to the perl scripts
#########################################################
# Getting correct source files (cmake/SourceFiles.cmake)
set_c_files(lib_c_items)
set_cpp_files(lib_cxx_items)
set_asm_files(lib_asm_items)
set_imp_c_files(imp_c_items) # Windows-specific
###################################
# Setting all source file variables
set(lib_src_files "${lib_c_items}" "${lib_cxx_items}" "${lib_asm_items}")
set(imp_src_files "${imp_c_items}")
add_prefix("${src_dir}/" lib_src_files)
add_prefix("${src_dir}/" imp_src_files) # Windows-specific
add_prefix("${src_dir}/" lib_c_items )
add_prefix("${src_dir}/" lib_cxx_items)
add_prefix("${src_dir}/" lib_asm_items)
add_prefix("${src_dir}/" imp_c_items ) # Windows-specific
#####################################################################
# Debug print outs. Will print "variable = ${variable}" if GLOBAL_DEBUG == 1
if(GLOBAL_DEBUG)
include(CMakePrintSystemInformation)
endif()
debug_say_var(CMAKE_ASM_COMPILE_OBJECT)
debug_say_var(CMAKE_RC_COMPILER)
debug_say_var(CMAKE_C_COMPILER_ID)
debug_say_var(LIBOMP_WORK)
debug_say_var(date)
debug_say_var(stats)
debug_say_var(lib_file)
debug_say_var(export_lib_files)
debug_say_var(DEFINITIONS_FLAGS)
debug_say_var(C_FLAGS)
debug_say_var(CXX_FLAGS)
debug_say_var(ASM_FLAGS)
debug_say_var(F_FLAGS)
debug_say_var(LD_FLAGS)
debug_say_var(LD_LIB_FLAGS)
debug_say_var(AR_FLAGS)
debug_say_var(ev_flags)
debug_say_var(gd_flags)
debug_say_var(oa_opts)
debug_say_var(lib_c_items)
debug_say_var(lib_cxx_items)
debug_say_var(lib_asm_items)
debug_say_var(imp_c_items)
debug_say_var(lib_src_files)
debug_say_var(imp_src_files)
####################################################################
# --------------------- #
# --- Rules/Recipes --- #
# --------------------- #
####################################################################
# Below, ${ldeps} always stands for "local dependencies" for the
# next immediate target to be created via add_custom_target() or
# add_custom_command()
####################
# --- Create all ---
add_custom_target(lib ALL DEPENDS iomp5)
add_custom_target(inc ALL DEPENDS ${export_inc_files})
if(${create_fortran_modules})
add_custom_target(mod ALL DEPENDS ${export_mod_files})
endif()
#############################
# --- Create Common Files ---
add_custom_target(common ALL DEPENDS ${export_cmn_files})
add_custom_target(clean-common COMMAND ${CMAKE_COMMAND} -E remove -f ${export_cmn_files})
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# --- Put headers in convenient locations post build ---
add_custom_command(TARGET common POST_BUILD
COMMAND ${CMAKE_COMMAND} -E make_directory ${export_cmn_dir1}
COMMAND ${CMAKE_COMMAND} -E make_directory ${export_cmn_dir2}
COMMAND ${CMAKE_COMMAND} -E copy omp.h ${export_cmn_dir1}
COMMAND ${CMAKE_COMMAND} -E copy omp_lib.h ${export_cmn_dir1}
COMMAND ${CMAKE_COMMAND} -E copy omp_lib.f ${export_cmn_dir1}
COMMAND ${CMAKE_COMMAND} -E copy omp_lib.f90 ${export_cmn_dir1}
COMMAND ${CMAKE_COMMAND} -E copy iomp.h ${export_cmn_dir2}
)
if(${OMPT_SUPPORT})
add_custom_command(TARGET common POST_BUILD
COMMAND ${CMAKE_COMMAND} -E make_directory ${export_cmn_dir1}
COMMAND ${CMAKE_COMMAND} -E copy ompt.h ${export_cmn_dir1}
)
endif()
add_custom_command(TARGET inc POST_BUILD
COMMAND ${CMAKE_COMMAND} -E make_directory ${export_inc_dir}
COMMAND ${CMAKE_COMMAND} -E copy iomp_lib.h ${export_inc_dir}
)
if(${create_fortran_modules})
add_custom_command(TARGET mod POST_BUILD
COMMAND ${CMAKE_COMMAND} -E make_directory ${export_mod_dir}
COMMAND ${CMAKE_COMMAND} -E copy omp_lib.mod ${export_mod_dir}
COMMAND ${CMAKE_COMMAND} -E copy omp_lib_kinds.mod ${export_mod_dir}
)
endif()
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######################################################
# --- Build the main library ---
# $(lib_file) <== Main library file to create
# objects depend on : .inc files and omp.h
# This way the *.inc and omp.h are generated before any compilations take place
add_custom_target(needed-headers DEPENDS ${build_dir}/kmp_i18n_id.inc ${build_dir}/kmp_i18n_default.inc ${build_dir}/omp.h)
# For Windows, there is a definitions file (.def) and resource file (.res) created using generate-def.pl and rc.exe respectively.
if(${WINDOWS})
add_custom_target(needed-windows-files DEPENDS ${build_dir}/${def_file} ${build_dir}/${rc_file})
list(APPEND lib_src_files ${build_dir}/${rc_file})
endif()
# Remove any cmake-automatic linking of libraries by linker, This is so linux
# and mac don't include libstdc++ just because we compile c++ files.
if(${USE_PREDEFINED_LINKER_FLAGS})
set(CMAKE_C_IMPLICIT_LINK_LIBRARIES "")
set(CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
set(CMAKE_ASM_IMPLICIT_LINK_LIBRARIES "")
endif()
# --- ${lib_file} rule ---
add_library(iomp5 SHARED ${lib_src_files})
set_target_properties(iomp5 PROPERTIES
PREFIX "" SUFFIX "" # Take control
OUTPUT_NAME "${lib_file}" # of output name
LINK_FLAGS "${LD_FLAGS}"
LINKER_LANGUAGE C # use C Compiler for linking step
SKIP_BUILD_RPATH true # have Mac linker -install_name just be "-install_name libiomp5.dylib"
)
# --- Copy libiomp into exports directory post build ---
if(${WINDOWS})
get_target_property(LIBIOMP_OUTPUT_DIRECTORY iomp5 RUNTIME_OUTPUT_DIRECTORY)
else()
get_target_property(LIBIOMP_OUTPUT_DIRECTORY iomp5 LIBRARY_OUTPUT_DIRECTORY)
endif()
if(NOT LIBIOMP_OUTPUT_DIRECTORY)
set(LIBIOMP_OUTPUT_DIRECTORY ${build_dir})
endif()
add_custom_command(TARGET iomp5 POST_BUILD
COMMAND ${CMAKE_COMMAND} -E make_directory ${export_lib_dir}
COMMAND ${CMAKE_COMMAND} -E copy ${LIBIOMP_OUTPUT_DIRECTORY}/${lib_file} ${export_lib_dir}
)
# Linking command will include libraries in LD_LIB_FLAGS
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target_link_libraries(iomp5 ${LD_LIB_FLAGS} ${CMAKE_DL_LIBS})
# Create *.inc and omp.h before compiling any sources
add_dependencies(iomp5 needed-headers)
if(${WINDOWS})
# Create .def and .rc file before compiling any sources
add_dependencies(iomp5 needed-windows-files)
endif()
# Set the compiler flags for each type of source
set_source_files_properties(${lib_c_items}
${imp_c_items} PROPERTIES COMPILE_FLAGS "${C_FLAGS}" )
set_source_files_properties(${lib_cxx_items} PROPERTIES COMPILE_FLAGS "${CXX_FLAGS}")
if(${WINDOWS})
# Windows operating system has to use MASM assembler
set_source_files_properties(${lib_asm_items} PROPERTIES COMPILE_FLAGS "${ASM_FLAGS}")
else()
# Non-Windows operating systems can use compiler to assemble the assembly files
set_source_files_properties(${lib_asm_items} PROPERTIES COMPILE_FLAGS "${ASM_FLAGS}" LANGUAGE C)
endif()
# Set the -D definitions for all sources
add_definitions(${DEFINITIONS_FLAGS})
# If creating a build that imitates build.pl's rules then set USE_BUILDPL_RULES to true
if(${USE_BUILDPL_RULES})
include(BuildPLRules)
endif()
######################################################
# --- Source file specific flags ---
# kmp_version.o : -D _KMP_BUILD_TIME="\"$(date)}\""
set_source_files_properties(${src_dir}/kmp_version.c PROPERTIES COMPILE_DEFINITIONS "_KMP_BUILD_TIME=\"\\\"${date}\\\"\"")
# z_Linux_asm.o : -D KMP_ARCH_*
if(${ARM})
set_source_files_properties(${src_dir}/z_Linux_asm.s PROPERTIES COMPILE_DEFINITIONS "KMP_ARCH_ARM")
elseif(${AARCH64})
set_source_files_properties(${src_dir}/z_Linux_asm.s PROPERTIES COMPILE_DEFINITIONS "KMP_ARCH_AARCH64")
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elseif(${INTEL64} OR ${MIC})
set_source_files_properties(${src_dir}/z_Linux_asm.s PROPERTIES COMPILE_DEFINITIONS "KMP_ARCH_X86_64")
elseif(${IA32})
set_source_files_properties(${src_dir}/z_Linux_asm.s PROPERTIES COMPILE_DEFINITIONS "KMP_ARCH_X86")
elseif(${PPC64})
set_source_files_properties(${src_dir}/z_Linux_asm.s PROPERTIES COMPILE_DEFINITIONS "KMP_ARCH_PPC64")
endif()
if(${WINDOWS})
set_source_files_properties(${src_dir}/thirdparty/ittnotify/ittnotify_static.c PROPERTIES COMPILE_DEFINITIONS "UNICODE")
endif()
######################################################
# MAC specific build rules
if(${MAC})
# fat library rules
if(${INTEL64})
_export_lib_fat_dir( "mac_32e" export_fat_mac_32e)
_export_lib_dir( "mac_32" export_mac_32 )
_export_lib_dir( "mac_32e" export_mac_32e )
add_custom_target(fat
COMMAND ${CMAKE_COMMAND} -E echo Building 32 and 32e fat libraries from ${export_mac_32}/${lib_file} and ${export_mac_32e}/${lib_file}
COMMAND ${CMAKE_COMMAND} -E echo Will put fat library in ${export_fat_mac_32e} directory
COMMAND ${CMAKE_COMMAND} -E make_directory ${export_fat_mac_32e}
COMMAND lipo -create -output ${export_fat_mac_32e}/${lib_file} ${export_mac_32}/${lib_file} ${export_mac_32e}/${lib_file}
)
endif()
endif()
######################################################
# Windows specific build rules
if(${WINDOWS})
# --- Create $(imp_file) ---
# This file is first created in the unstripped/${lib_file} creation step.
# It is then "re-linked" to include kmp_import.c which prevents linking of both Visual Studio OpenMP and newly built OpenMP
if(NOT "${imp_file}" STREQUAL "")
set(generated_import_file ${lib_file}${lib})
add_library(iomp5imp STATIC ${generated_import_file} ${imp_src_files})
set_source_files_properties(${generated_import_file} PROPERTIES GENERATED TRUE EXTERNAL_OBJECT TRUE)
set_target_properties(iomp5imp PROPERTIES
PREFIX "" SUFFIX ""
OUTPUT_NAME "${imp_file}"
STATIC_LIBRARY_FLAGS "${AR_FLAGS}"
LINKER_LANGUAGE C
SKIP_BUILD_RPATH true
)
add_custom_command(TARGET iomp5imp PRE_BUILD COMMAND ${CMAKE_COMMAND} -E remove -f ${imp_file})
add_dependencies(iomp5imp iomp5)
get_target_property(LIBIOMPIMP_OUTPUT_DIRECTORY iomp5imp ARCHIVE_OUTPUT_DIRECTORY)
if(NOT LIBIOMPIMP_OUTPUT_DIRECTORY)
set(LIBIOMPIMP_OUTPUT_DIRECTORY ${build_dir})
endif()
add_custom_command(TARGET iomp5imp POST_BUILD
COMMAND ${CMAKE_COMMAND} -E make_directory ${export_lib_dir}
COMMAND ${CMAKE_COMMAND} -E copy ${LIBIOMPIMP_OUTPUT_DIRECTORY}/${imp_file} ${export_lib_dir}
)
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endif()
# --- Create $(def_file) ---
if(NOT "${def_file}" STREQUAL "")
string_to_list("${gd_flags}" gd_flags)
add_custom_command(
OUTPUT ${def_file}
COMMAND ${PERL_EXECUTABLE} ${tools_dir}/generate-def.pl ${gd_flags} -o ${def_file} ${src_dir}/dllexports
DEPENDS ${src_dir}/dllexports ${tools_dir}/generate-def.pl
)
endif()
# --- Create $(rc_file) ---
if(NOT "${rc_file}" STREQUAL "")
add_custom_command(
OUTPUT ${rc_file}
COMMAND ${CMAKE_COMMAND} -E copy libiomp.rc ${rc_file}
DEPENDS libiomp.rc
)
endif()
endif()
######################################################
# kmp_i18n_id.inc and kmp_i18n_default.inc
set(perlcmd "${PERL_EXECUTABLE}" "${tools_dir}/message-converter.pl" "${oa_opts}" "--prefix=kmp_i18n" "--enum=kmp_i18n_id.inc" "${src_dir}/i18n/en_US.txt")
add_custom_command(
OUTPUT ${build_dir}/kmp_i18n_id.inc
COMMAND ${perlcmd}
DEPENDS ${src_dir}/i18n/en_US.txt ${tools_dir}/message-converter.pl
)
set(perlcmd "${PERL_EXECUTABLE}" "${tools_dir}/message-converter.pl" "${oa_opts}" "--prefix=kmp_i18n" "--default=kmp_i18n_default.inc" "${src_dir}/i18n/en_US.txt")
add_custom_command(
OUTPUT ${build_dir}/kmp_i18n_default.inc
COMMAND ${perlcmd}
DEPENDS ${src_dir}/i18n/en_US.txt ${tools_dir}/message-converter.pl
)
######################################################
# Micro test rules for after library has been built (cmake/MicroTests.cmake)
# - Only perform if ${tests} == true (specify when invoking: cmake -Dtests=on ...)
if(${tests})
include(MicroTests)
add_custom_target(libiomp-micro-tests)
if(NOT ${MIC} AND ${test_touch})
add_dependencies(libiomp-micro-tests libiomp-test-touch)
endif()
if(${LINUX} AND ${test_relo})
add_dependencies(libiomp-micro-tests libiomp-test-relo)
endif()
if(${LINUX} AND ${test_execstack})
add_dependencies(libiomp-micro-tests libiomp-test-execstack)
endif()
if(${MIC} AND ${test_instr})
add_dependencies(libiomp-micro-tests libiomp-test-instr)
endif()
if(${test_deps})
add_dependencies(libiomp-micro-tests libiomp-test-deps)
endif()
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endif()
######################################################
# --- Create Fortran Files ---
# omp_lib.mod
if(${create_fortran_modules})
# Grab fortran-compiler-dependent flags
# Cmake will look for cmake/${CMAKE_Fortran_COMPILER_ID}/FortranFlags.cmake to append additional fortran flags.
enable_language(Fortran)
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/${CMAKE_Fortran_COMPILER_ID} ${CMAKE_MODULE_PATH})
find_file(fortran_specific_include_file_found FortranFlags.cmake ${CMAKE_MODULE_PATH})
if(fortran_specific_include_file_found)
include(FortranFlags)
append_fortran_compiler_specific_fort_flags(F_FLAGS)
else()
warning_say("Could not find cmake/${CMAKE_Fortran_COMPILER_ID}/FortranFlags.cmake: will only use default flags in CommonFlags.cmake")
endif()
set(omp_lib_f "omp_lib.f90" )
add_custom_command(
OUTPUT "omp_lib.mod"
COMMAND ${CMAKE_Fortran_COMPILER} -c ${F_FLAGS} ${omp_lib_f}
DEPENDS ${omp_lib_f}
)
add_custom_command(
OUTPUT "omp_lib_kinds.mod"
COMMAND ${CMAKE_Fortran_COMPILER} -c ${F_FLAGS} ${omp_lib_f}
DEPENDS ${omp_lib_f}
)
# clean omp_lib.o from build directory when "make clean"
set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES omp_lib${obj})
endif()
###############################################################
# --- Using expand-vars.pl to generate files ---
# - 'file' is generated using expand-vars.pl and 'file'.var
# - Any .h .f .f90 .rc files should be created with this recipe
macro(expand_vars_recipe file_dir filename)
get_source_file_property(extra_ev_flags ${filename} COMPILE_DEFINITIONS)
if("${extra_ev_flags}" MATCHES "NOTFOUND")
set(extra_ev_flags)
else()
string_to_list("${extra_ev_flags}" extra_ev_flags)
endif()
if(NOT "${filename}" STREQUAL "")
add_custom_command(
OUTPUT ${filename}
COMMAND ${PERL_EXECUTABLE} ${tools_dir}/expand-vars.pl --strict ${ev_flags} ${extra_ev_flags} ${file_dir}/${filename}.var ${filename}
DEPENDS ${file_dir}/${filename}.var ${src_dir}/kmp_version.c ${tools_dir}/expand-vars.pl
)
endif()
endmacro()
string_to_list("${ev_flags}" ev_flags)
# omp_lib.h : ev-flags += -D KMP_INT_PTR_KIND="int_ptr_kind()"
set_source_files_properties(omp_lib.h PROPERTIES COMPILE_DEFINITIONS "-D KMP_INT_PTR_KIND=\"int_ptr_kind()\"")
# iomp_lib.h : ev-flags += -D KMP_INT_PTR_KIND=$(if $(filter 32,$(arch)),4,8)
if(${IA32}) # 32 bit archs
set_source_files_properties(iomp_lib.h PROPERTIES COMPILE_DEFINITIONS "-D KMP_INT_PTR_KIND=4")
else()
set_source_files_properties(iomp_lib.h PROPERTIES COMPILE_DEFINITIONS "-D KMP_INT_PTR_KIND=8")
endif()
# libiomp.rc : ev-flags += -D KMP_FILE=$(lib_file)
set_source_files_properties(libiomp.rc PROPERTIES COMPILE_DEFINITIONS "-D KMP_FILE=${lib_file}")
expand_vars_recipe(${src_dir}/include/${omp_version} omp.h)
expand_vars_recipe(${src_dir}/include/${omp_version} ompt.h)
expand_vars_recipe(${src_dir}/include/${omp_version} omp_lib.h)
expand_vars_recipe(${src_dir}/include/${omp_version} omp_lib.f)
expand_vars_recipe(${src_dir}/include/${omp_version} omp_lib.f90)
expand_vars_recipe(${src_dir}/include/${omp_version} iomp.h)
expand_vars_recipe(${src_dir}/include/${omp_version} iomp_lib.h)
expand_vars_recipe(${src_dir} libiomp.rc)
####################################################################
# Print configuration after all variables are set.
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if(${LIBIOMP_STANDALONE_BUILD})
say("LIBIOMP: Operating System -- ${os}")
say("LIBIOMP: Target Architecture -- ${arch}")
if(${MIC})
say("LIBIOMP: Intel(R) MIC Architecture -- ${mic_arch}")
endif()
say("LIBIOMP: Build Type -- ${CMAKE_BUILD_TYPE}")
say("LIBIOMP: OpenMP Version -- ${omp_version}")
say("LIBIOMP: Lib Type -- ${lib_type}")
say("LIBIOMP: Fortran Modules -- ${create_fortran_modules}")
# will say development if all zeros
if("${build_number}" STREQUAL "00000000")
set(build "development")
else()
set(build "${build_number}")
endif()
say("LIBIOMP: Build -- ${build}")
say("LIBIOMP: Stats-Gathering -- ${stats}")
say("LIBIOMP: OMPT-support -- ${ompt_support}")
if(${OMPT_SUPPORT})
say("LIBIOMP: OMPT-blame -- ${ompt_blame}")
say("LIBIOMP: OMPT-trace -- ${ompt_trace}")
endif()
say("LIBIOMP: Use build.pl rules -- ${USE_BUILDPL_RULES}")
say("LIBIOMP: Adaptive locks -- ${USE_ADAPTIVE_LOCKS}")
say("LIBIOMP: Use predefined linker flags -- ${USE_PREDEFINED_LINKER_FLAGS}")
say("LIBIOMP: Compiler supports quad precision -- ${COMPILER_SUPPORTS_QUAD_PRECISION}")
endif()
####################################################################
# Install rules
# We want to install libiomp5 in DESTDIR/CMAKE_INSTALL_PREFIX/lib
# We want to install headers in DESTDIR/CMAKE_INSTALL_PREFIX/include
if(${LIBIOMP_STANDALONE_BUILD})
set(LIBIOMP_HEADERS_INSTALL_PATH include)
else()
string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION ${PACKAGE_VERSION})
set(LIBIOMP_HEADERS_INSTALL_PATH lib${LIBIOMP_LIBDIR_SUFFIX}/clang/${CLANG_VERSION}/include)
endif()
if(${WINDOWS})
install(TARGETS iomp5 RUNTIME DESTINATION bin)
if(NOT "${imp_file}" STREQUAL "")
install(TARGETS iomp5imp ARCHIVE DESTINATION lib${LIBIOMP_LIBDIR_SUFFIX})
endif()
else()
install(TARGETS iomp5 LIBRARY DESTINATION lib${LIBIOMP_LIBDIR_SUFFIX})
endif()
install(
FILES
${build_dir}/omp.h
${build_dir}/iomp.h
DESTINATION ${LIBIOMP_HEADERS_INSTALL_PATH}
)
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if(${OMPT_SUPPORT})
install( FILES ${build_dir}/ompt.h DESTINATION ${LIBIOMP_HEADERS_INSTALL_PATH})
endif()