92523a35a8
Some build bots have not been updated to the new minimal CMake version.
Reverting for now and ping the buildbot owners.
This reverts commit 44c6b905f8.
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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