133 lines
4.7 KiB
CMake
133 lines
4.7 KiB
CMake
cmake_minimum_required(VERSION 3.13.4)
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set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
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# Add path for custom modules
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list(INSERT CMAKE_MODULE_PATH 0
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
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"${LLVM_COMMON_CMAKE_UTILS}/Modules"
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)
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# llvm/runtimes/ will set OPENMP_STANDALONE_BUILD.
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if (OPENMP_STANDALONE_BUILD OR "${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
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set(OPENMP_STANDALONE_BUILD TRUE)
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project(openmp C CXX)
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if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
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message(WARNING
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"Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
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"minimum version of CMake required to build LLVM will become 3.20.0, and "
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"using an older CMake will become an error. Please upgrade your CMake to "
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"at least 3.20.0 now to avoid issues in the future!")
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endif()
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endif()
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# Must go below project(..)
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include(GNUInstallDirs)
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if (OPENMP_STANDALONE_BUILD)
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# CMAKE_BUILD_TYPE was not set, default to Release.
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if (NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE Release)
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endif()
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# Group common settings.
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set(OPENMP_ENABLE_WERROR FALSE CACHE BOOL
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"Enable -Werror flags to turn warnings into errors for supporting compilers.")
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set(OPENMP_LIBDIR_SUFFIX "" CACHE STRING
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"Suffix of lib installation directory, e.g. 64 => lib64")
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# Do not use OPENMP_LIBDIR_SUFFIX directly, use OPENMP_INSTALL_LIBDIR.
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set(OPENMP_INSTALL_LIBDIR "lib${OPENMP_LIBDIR_SUFFIX}")
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# Group test settings.
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set(OPENMP_TEST_C_COMPILER ${CMAKE_C_COMPILER} CACHE STRING
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"C compiler to use for testing OpenMP runtime libraries.")
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set(OPENMP_TEST_CXX_COMPILER ${CMAKE_CXX_COMPILER} CACHE STRING
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"C++ compiler to use for testing OpenMP runtime libraries.")
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set(OPENMP_LLVM_TOOLS_DIR "" CACHE PATH "Path to LLVM tools for testing.")
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else()
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set(OPENMP_ENABLE_WERROR ${LLVM_ENABLE_WERROR})
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# If building in tree, we honor the same install suffix LLVM uses.
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set(OPENMP_INSTALL_LIBDIR "lib${LLVM_LIBDIR_SUFFIX}")
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if (NOT MSVC)
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set(OPENMP_TEST_C_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang)
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set(OPENMP_TEST_CXX_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++)
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else()
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set(OPENMP_TEST_C_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang.exe)
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set(OPENMP_TEST_CXX_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++.exe)
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endif()
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endif()
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# Check and set up common compiler flags.
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include(config-ix)
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include(HandleOpenMPOptions)
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# Set up testing infrastructure.
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include(OpenMPTesting)
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set(OPENMP_TEST_FLAGS "" CACHE STRING
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"Extra compiler flags to send to the test compiler.")
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set(OPENMP_TEST_OPENMP_FLAGS ${OPENMP_TEST_COMPILER_OPENMP_FLAGS} CACHE STRING
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"OpenMP compiler flag to use for testing OpenMP runtime libraries.")
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set(ENABLE_LIBOMPTARGET ON)
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# Currently libomptarget cannot be compiled on Windows or MacOS X.
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# Since the device plugins are only supported on Linux anyway,
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# there is no point in trying to compile libomptarget on other OSes.
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# 32-bit systems are not supported either.
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if (APPLE OR WIN32 OR NOT OPENMP_HAVE_STD_CPP17_FLAG OR NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(ENABLE_LIBOMPTARGET OFF)
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endif()
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option(OPENMP_ENABLE_LIBOMPTARGET "Enable building libomptarget for offloading."
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${ENABLE_LIBOMPTARGET})
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option(OPENMP_ENABLE_LIBOMP_PROFILING "Enable time profiling for libomp." OFF)
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# Header install location
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if(${OPENMP_STANDALONE_BUILD})
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set(LIBOMP_HEADERS_INSTALL_PATH "${CMAKE_INSTALL_INCLUDEDIR}")
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else()
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string(REGEX MATCH "[0-9]+" CLANG_VERSION ${PACKAGE_VERSION})
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set(LIBOMP_HEADERS_INSTALL_PATH "${OPENMP_INSTALL_LIBDIR}/clang/${CLANG_VERSION}/include")
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endif()
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# Build host runtime library, after LIBOMPTARGET variables are set since they are needed
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# to enable time profiling support in the OpenMP runtime.
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add_subdirectory(runtime)
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if (OPENMP_ENABLE_LIBOMPTARGET)
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# Check that the library can actually be built.
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if (APPLE OR WIN32)
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message(FATAL_ERROR "libomptarget cannot be built on Windows and MacOS X!")
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elseif (NOT OPENMP_HAVE_STD_CPP17_FLAG)
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message(FATAL_ERROR "Host compiler must support C++17 to build libomptarget!")
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elseif (NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
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message(FATAL_ERROR "libomptarget on 32-bit systems are not supported!")
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endif()
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add_subdirectory(libomptarget)
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endif()
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set(ENABLE_OMPT_TOOLS ON)
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# Currently tools are not tested well on Windows or MacOS X.
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if (APPLE OR WIN32)
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set(ENABLE_OMPT_TOOLS OFF)
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endif()
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option(OPENMP_ENABLE_OMPT_TOOLS "Enable building ompt based tools for OpenMP."
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${ENABLE_OMPT_TOOLS})
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if (OPENMP_ENABLE_OMPT_TOOLS)
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add_subdirectory(tools)
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endif()
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option(OPENMP_MSVC_NAME_SCHEME "Build dll with MSVC naming scheme." OFF)
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# Build libompd.so
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add_subdirectory(libompd)
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# Build documentation
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add_subdirectory(docs)
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# Now that we have seen all testsuites, create the check-openmp target.
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construct_check_openmp_target()
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