forked from OSchip/llvm-project
342 lines
13 KiB
CMake
342 lines
13 KiB
CMake
#
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#//===----------------------------------------------------------------------===//
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#//
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#// The LLVM Compiler Infrastructure
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#//
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#// This file is dual licensed under the MIT and the University of Illinois Open
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#// Source Licenses. See LICENSE.txt for details.
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#//
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#//===----------------------------------------------------------------------===//
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#
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# CMAKE libomp
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cmake_minimum_required(VERSION 2.8 FATAL_ERROR)
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# Add cmake directory to search for custom cmake functions
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set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
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# Standalone build or part of LLVM?
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set(LIBOMP_STANDALONE_BUILD FALSE)
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if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}" OR
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"${CMAKE_SOURCE_DIR}/runtime" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
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project(libomp C CXX)
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set(LIBOMP_STANDALONE_BUILD TRUE)
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endif()
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# Set libomp version
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set(LIBOMP_VERSION_MAJOR 5)
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set(LIBOMP_VERSION_MINOR 0)
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# These include files are in the cmake/ subdirectory
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include(LibompUtils)
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include(LibompGetArchitecture)
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include(LibompHandleFlags)
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include(LibompDefinitions)
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# Determine the target architecture
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if(${LIBOMP_STANDALONE_BUILD})
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# If adding a new architecture, take a look at cmake/LibompGetArchitecture.cmake
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libomp_get_architecture(LIBOMP_DETECTED_ARCH)
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set(LIBOMP_ARCH ${LIBOMP_DETECTED_ARCH} CACHE STRING
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"The architecture to build for (x86_64/i386/arm/ppc64/ppc64le/aarch64/mic).")
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# Allow user to choose a suffix for the installation directory.
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set(LIBOMP_LIBDIR_SUFFIX "" CACHE STRING
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"suffix of lib installation directory e.g., 64 => lib64")
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# Should assertions be enabled? They are on by default.
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set(LIBOMP_ENABLE_ASSERTIONS TRUE CACHE BOOL
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"enable assertions?")
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set(LIBOMP_ENABLE_WERROR FALSE CACHE BOOL
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"Enable -Werror flags to turn warnings into errors for supporting compilers.")
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# CMAKE_BUILD_TYPE was not defined, set default to Release
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE Release)
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endif()
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else() # Part of LLVM build
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# Determine the native architecture from LLVM.
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string(TOLOWER "${LLVM_TARGET_ARCH}" LIBOMP_NATIVE_ARCH)
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if( LIBOMP_NATIVE_ARCH STREQUAL "host" )
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string(REGEX MATCH "^[^-]*" LIBOMP_NATIVE_ARCH ${LLVM_HOST_TRIPLE})
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endif ()
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if(LIBOMP_NATIVE_ARCH MATCHES "i[2-6]86")
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set(LIBOMP_ARCH i386)
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elseif(LIBOMP_NATIVE_ARCH STREQUAL "x86")
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set(LIBOMP_ARCH i386)
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elseif(LIBOMP_NATIVE_ARCH STREQUAL "amd64")
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set(LIBOMP_ARCH x86_64)
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elseif(LIBOMP_NATIVE_ARCH STREQUAL "x86_64")
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set(LIBOMP_ARCH x86_64)
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elseif(LIBOMP_NATIVE_ARCH MATCHES "powerpc")
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set(LIBOMP_ARCH ppc64)
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elseif(LIBOMP_NATIVE_ARCH MATCHES "aarch64")
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set(LIBOMP_ARCH aarch64)
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elseif(LIBOMP_NATIVE_ARCH MATCHES "arm64")
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set(LIBOMP_ARCH aarch64)
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elseif(LIBOMP_NATIVE_ARCH MATCHES "arm")
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set(LIBOMP_ARCH arm)
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else()
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# last ditch effort
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libomp_get_architecture(LIBOMP_ARCH)
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endif ()
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set(LIBOMP_LIBDIR_SUFFIX ${LLVM_LIBDIR_SUFFIX})
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set(LIBOMP_ENABLE_ASSERTIONS ${LLVM_ENABLE_ASSERTIONS})
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set(LIBOMP_ENABLE_WERROR ${LLVM_ENABLE_WERROR})
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endif()
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libomp_check_variable(LIBOMP_ARCH 32e x86_64 32 i386 arm ppc64 ppc64le aarch64 mic)
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set(LIBOMP_LIB_TYPE normal CACHE STRING
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"Performance,Profiling,Stubs library (normal/profile/stubs)")
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libomp_check_variable(LIBOMP_LIB_TYPE normal profile stubs)
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set(LIBOMP_OMP_VERSION 41 CACHE STRING
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"The OpenMP version (41/40/30)")
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libomp_check_variable(LIBOMP_OMP_VERSION 41 40 30)
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# Set the OpenMP Year and Month assiociated with version
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if(${LIBOMP_OMP_VERSION} GREATER 40 OR ${LIBOMP_OMP_VERSION} EQUAL 40)
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set(LIBOMP_OMP_YEAR_MONTH 201307)
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elseif(${LIBOMP_OMP_VERSION} GREATER 30 OR ${LIBOMP_OMP_VERSION} EQUAL 30)
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set(LIBOMP_OMP_YEAR_MONTH 201107)
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else()
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set(LIBOMP_OMP_YEAR_MONTH 200505)
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endif()
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set(LIBOMP_MIC_ARCH knc CACHE STRING
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"Intel(R) Many Integrated Core Architecture (Intel(R) MIC Architecture) (knf/knc). Ignored if not Intel(R) MIC Architecture build.")
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if("${LIBOMP_ARCH}" STREQUAL "mic")
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libomp_check_variable(LIBOMP_MIC_ARCH knf knc)
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endif()
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set(LIBOMP_FORTRAN_MODULES FALSE CACHE BOOL
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"Create Fortran module files? (requires fortran compiler)")
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# - Support for universal fat binary builds on Mac
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# - Having this extra variable allows people to build this library as a universal library
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# without forcing a universal build of the llvm/clang compiler.
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set(LIBOMP_OSX_ARCHITECTURES "${CMAKE_OSX_ARCHITECTURES}" CACHE STRING
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"For Mac builds, semicolon separated list of architectures to build for universal fat binary.")
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set(CMAKE_OSX_ARCHITECTURES ${LIBOMP_OSX_ARCHITECTURES})
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# User specified flags. These are appended to the configured flags.
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set(LIBOMP_CFLAGS "" CACHE STRING
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"Appended user specified C compiler flags.")
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set(LIBOMP_CXXFLAGS "" CACHE STRING
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"Appended user specified C++ compiler flags.")
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set(LIBOMP_CPPFLAGS "" CACHE STRING
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"Appended user specified C preprocessor flags.")
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set(LIBOMP_ASMFLAGS "" CACHE STRING
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"Appended user specified assembler flags.")
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set(LIBOMP_LDFLAGS "" CACHE STRING
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"Appended user specified linker flags.")
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set(LIBOMP_LIBFLAGS "" CACHE STRING
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"Appended user specified linked libs flags. (e.g., -lm)")
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set(LIBOMP_FFLAGS "" CACHE STRING
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"Appended user specified Fortran compiler flags. These are only used if LIBOMP_FORTRAN_MODULES==TRUE.")
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# Should the libomp library and generated headers be copied into the original source exports/ directory
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# Turning this to FALSE aids parallel builds to not interfere with each other.
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# Currently, the testsuite module expects the just built OpenMP library to be located inside the exports/
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# directory. TODO: have testsuite run under llvm-lit directly. We can then get rid of copying to exports/
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set(LIBOMP_COPY_EXPORTS TRUE CACHE STRING
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"Should exports be copied into source exports/ directory?")
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# HWLOC-support
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set(LIBOMP_USE_HWLOC FALSE CACHE BOOL
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"Use Hwloc (http://www.open-mpi.org/projects/hwloc/) library for affinity?")
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set(LIBOMP_HWLOC_INSTALL_DIR /usr/local CACHE PATH
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"Install path for hwloc library")
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# Get the build number from kmp_version.c
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libomp_get_build_number("${CMAKE_CURRENT_SOURCE_DIR}" LIBOMP_VERSION_BUILD)
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math(EXPR LIBOMP_VERSION_BUILD_YEAR "${LIBOMP_VERSION_BUILD}/10000")
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math(EXPR LIBOMP_VERSION_BUILD_MONTH_DAY "${LIBOMP_VERSION_BUILD}%10000")
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# Currently don't record any timestamps
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set(LIBOMP_BUILD_DATE "No_Timestamp")
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# Architecture
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set(IA32 FALSE)
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set(INTEL64 FALSE)
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set(ARM FALSE)
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set(AARCH64 FALSE)
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set(PPC64BE FALSE)
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set(PPC64LE FALSE)
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set(PPC64 FALSE)
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set(MIC FALSE)
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if("${LIBOMP_ARCH}" STREQUAL "i386" OR "${LIBOMP_ARCH}" STREQUAL "32") # IA-32 architecture
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set(IA32 TRUE)
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elseif("${LIBOMP_ARCH}" STREQUAL "x86_64" OR "${LIBOMP_ARCH}" STREQUAL "32e") # Intel(R) 64 architecture
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set(INTEL64 TRUE)
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elseif("${LIBOMP_ARCH}" STREQUAL "arm") # ARM architecture
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set(ARM TRUE)
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elseif("${LIBOMP_ARCH}" STREQUAL "ppc64") # PPC64BE architecture
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set(PPC64BE TRUE)
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set(PPC64 TRUE)
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elseif("${LIBOMP_ARCH}" STREQUAL "ppc64le") # PPC64LE architecture
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set(PPC64LE TRUE)
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set(PPC64 TRUE)
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elseif("${LIBOMP_ARCH}" STREQUAL "aarch64") # AARCH64 architecture
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set(AARCH64 TRUE)
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elseif("${LIBOMP_ARCH}" STREQUAL "mic") # Intel(R) Many Integrated Core Architecture
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set(MIC TRUE)
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endif()
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# Set some flags based on build_type
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set(RELEASE_BUILD FALSE)
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set(DEBUG_BUILD FALSE)
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set(RELWITHDEBINFO_BUILD FALSE)
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set(MINSIZEREL_BUILD FALSE)
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string(TOLOWER "${CMAKE_BUILD_TYPE}" libomp_build_type_lowercase)
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if("${libomp_build_type_lowercase}" STREQUAL "release")
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set(RELEASE_BUILD TRUE)
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elseif("${libomp_build_type_lowercase}" STREQUAL "debug")
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set(DEBUG_BUILD TRUE)
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elseif("${libomp_build_type_lowercase}" STREQUAL "relwithdebinfo")
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set(RELWITHDEBINFO_BUILD TRUE)
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elseif("${libomp_build_type_lowercase}" STREQUAL "minsizerel")
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set(MINSIZEREL_BUILD TRUE)
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endif()
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# Include itt notify interface? Right now, always.
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set(LIBOMP_USE_ITT_NOTIFY TRUE)
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# normal, profile, stubs library.
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set(NORMAL_LIBRARY FALSE)
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set(STUBS_LIBRARY FALSE)
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set(PROFILE_LIBRARY FALSE)
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if("${LIBOMP_LIB_TYPE}" STREQUAL "normal")
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set(NORMAL_LIBRARY TRUE)
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elseif("${LIBOMP_LIB_TYPE}" STREQUAL "profile")
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set(PROFILE_LIBRARY TRUE)
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elseif("${LIBOMP_LIB_TYPE}" STREQUAL "stubs")
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set(STUBS_LIBRARY TRUE)
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endif()
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# Setting directory names
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set(LIBOMP_BASE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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set(LIBOMP_SRC_DIR ${LIBOMP_BASE_DIR}/src)
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set(LIBOMP_TOOLS_DIR ${LIBOMP_BASE_DIR}/tools)
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set(LIBOMP_INC_DIR ${LIBOMP_SRC_DIR}/include/${LIBOMP_OMP_VERSION})
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set(LIBOMP_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
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# Enabling Fortran if it is needed
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if(${LIBOMP_FORTRAN_MODULES})
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enable_language(Fortran)
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endif()
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# Enable MASM Compiler if it is needed (Windows only)
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if(WIN32)
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enable_language(ASM_MASM)
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endif()
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# Getting legal type/arch
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libomp_get_legal_type(LIBOMP_LEGAL_TYPE)
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libomp_get_legal_arch(LIBOMP_LEGAL_ARCH)
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# Compiler flag checks, library checks, threading check, etc.
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include(config-ix)
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# Is there a quad precision data type available?
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# TODO: Make this a real feature check
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set(LIBOMP_USE_QUAD_PRECISION "${LIBOMP_HAVE_QUAD_PRECISION}" CACHE BOOL
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"Should 128-bit precision entry points be built?")
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if(LIBOMP_USE_QUAD_PRECISION AND (NOT LIBOMP_HAVE_QUAD_PRECISION))
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libomp_error_say("128-bit quad precision functionality requested but not available")
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endif()
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# libgomp drop-in compatibility requires versioned symbols
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set(LIBOMP_USE_VERSION_SYMBOLS "${LIBOMP_HAVE_VERSION_SYMBOLS}" CACHE BOOL
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"Should version symbols be used? These provide binary compatibility with libgomp.")
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if(LIBOMP_USE_VERSION_SYMBOLS AND (NOT LIBOMP_HAVE_VERSION_SYMBOLS))
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libomp_error_say("Version symbols functionality requested but not available")
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endif()
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# On multinode systems, larger alignment is desired to avoid false sharing
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set(LIBOMP_USE_INTERNODE_ALIGNMENT FALSE CACHE BOOL
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"Should larger alignment (4096 bytes) be used for some locks and data structures?")
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# Build code that allows the OpenMP library to conveniently interface with debuggers
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set(LIBOMP_USE_DEBUGGER FALSE CACHE BOOL
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"Enable debugger interface code?")
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# Should we link to C++ library?
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set(LIBOMP_USE_STDCPPLIB FALSE CACHE BOOL
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"Should we link to C++ library?")
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# TSX (x86) based locks have __asm code which can be troublesome for some compilers.
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# TODO: Make this a real feature check
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set(LIBOMP_USE_ADAPTIVE_LOCKS "${LIBOMP_HAVE_ADAPTIVE_LOCKS}" CACHE BOOL
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"Should TSX-based lock be compiled (adaptive lock in kmp_lock.cpp). These are x86 specific.")
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if(LIBOMP_USE_ADAPTIVE_LOCKS AND (NOT LIBOMP_HAVE_ADAPTIVE_LOCKS))
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libomp_error_say("Adaptive locks (TSX) functionality requested but not available")
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endif()
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# - stats-gathering enables OpenMP stats where things like the number of
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# parallel regions, clock ticks spent in particular openmp regions are recorded.
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set(LIBOMP_STATS FALSE CACHE BOOL
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"Stats-Gathering functionality?")
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if(LIBOMP_STATS AND (NOT LIBOMP_HAVE_STATS))
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libomp_error_say("Stats-gathering functionality requested but not available")
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endif()
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# The stats functionality requires the std c++ library
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if(LIBOMP_STATS)
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set(LIBOMP_USE_STDCPPLIB TRUE)
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endif()
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# OMPT-support
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set(LIBOMP_OMPT_DEBUG FALSE CACHE BOOL
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"Trace OMPT initialization?")
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set(LIBOMP_OMPT_SUPPORT FALSE CACHE BOOL
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"OMPT-support?")
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set(LIBOMP_OMPT_BLAME TRUE CACHE BOOL
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"OMPT-blame?")
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set(LIBOMP_OMPT_TRACE TRUE CACHE BOOL
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"OMPT-trace?")
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if(LIBOMP_OMPT_SUPPORT AND (NOT LIBOMP_HAVE_OMPT_SUPPORT))
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libomp_error_say("OpenMP Tools Interface requested but not available")
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endif()
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# Error check hwloc support after config-ix has run
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if(LIBOMP_USE_HWLOC AND (NOT LIBOMP_HAVE_HWLOC))
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libomp_error_say("Hwloc requested but not available")
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endif()
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# Setting final library name
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set(LIBOMP_DEFAULT_LIB_NAME libomp)
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if(${PROFILE_LIBRARY})
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set(LIBOMP_DEFAULT_LIB_NAME ${LIBOMP_DEFAULT_LIB_NAME}prof)
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endif()
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if(${STUBS_LIBRARY})
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set(LIBOMP_DEFAULT_LIB_NAME ${LIBOMP_DEFAULT_LIB_NAME}stubs)
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endif()
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set(LIBOMP_LIB_NAME ${LIBOMP_DEFAULT_LIB_NAME} CACHE STRING "Base OMP library name")
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set(LIBOMP_LIB_FILE ${LIBOMP_LIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX})
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# Print configuration after all variables are set.
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if(${LIBOMP_STANDALONE_BUILD})
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libomp_say("Operating System -- ${CMAKE_SYSTEM_NAME}")
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libomp_say("Target Architecture -- ${LIBOMP_ARCH}")
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if(${MIC})
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libomp_say("Intel(R) MIC Architecture -- ${LIBOMP_MIC_ARCH}")
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endif()
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libomp_say("Build Type -- ${CMAKE_BUILD_TYPE}")
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libomp_say("OpenMP Version -- ${LIBOMP_OMP_VERSION}")
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libomp_say("Lib Type -- ${LIBOMP_LIB_TYPE}")
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libomp_say("Fortran Modules -- ${LIBOMP_FORTRAN_MODULES}")
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# will say development if all zeros
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if(${LIBOMP_VERSION_BUILD} STREQUAL 00000000)
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set(LIBOMP_BUILD Development)
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else()
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set(LIBOMP_BUILD ${LIBOMP_VERSION_BUILD})
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endif()
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libomp_say("Build -- ${LIBOMP_BUILD}")
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libomp_say("Use Stats-gathering -- ${LIBOMP_STATS}")
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libomp_say("Use Debugger-support -- ${LIBOMP_USE_DEBUGGER}")
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libomp_say("Use OMPT-support -- ${LIBOMP_OMPT_SUPPORT}")
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if(${LIBOMP_OMPT_SUPPORT})
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libomp_say("Use OMPT-blame -- ${LIBOMP_OMPT_BLAME}")
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libomp_say("Use OMPT-trace -- ${LIBOMP_OMPT_TRACE}")
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endif()
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libomp_say("Use Adaptive locks -- ${LIBOMP_USE_ADAPTIVE_LOCKS}")
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libomp_say("Use quad precision -- ${LIBOMP_USE_QUAD_PRECISION}")
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libomp_say("Use Hwloc library -- ${LIBOMP_USE_HWLOC}")
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endif()
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add_subdirectory(src)
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add_subdirectory(test)
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