649 lines
25 KiB
Python
649 lines
25 KiB
Python
# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
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# Spack Project Developers. See the top-level COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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import os
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import os.path
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import re
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import sys
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import llnl.util.tty as tty
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import spack.build_environment
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import spack.util.executable
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class LlvmDoe(CMakePackage, CudaPackage):
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"""This package provides a collection of the experimental LLVM projects done
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by the US DOE research and development teams.
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"""
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homepage = "https://github.com/llvm-doe-org"
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url = "https://github.com/llvm-doe-org/llvm-project/archive/llvmorg-10.0.0.zip"
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git = "https://github.com/llvm-doe-org/llvm-project"
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maintainers = ['vlkale']
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tags = ['e4s']
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generator = 'Ninja'
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family = "compiler" # Used by lmod
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version('doe', branch='doe', preferred=True)
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version('upstream', branch='llvm.org/main')
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version('bolt', branch='bolt/main')
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version('develop.clacc', branch='clacc/main')
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version('pragma-clang-loop', branch='sollve/pragma-clang-loop')
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version('pragma-omp-tile', branch='sollve/pragma-omp-tile')
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version('13.0.0', branch='llvm.org/llvmorg-13.0.0')
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# NOTE: The debug version of LLVM is an order of magnitude larger than
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# the release version, and may take up 20-30 GB of space. If you want
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# to save space, build with `build_type=Release`.
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variant(
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"clang",
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default=True,
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description="Build the LLVM C/C++/Objective-C compiler frontend",
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)
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variant(
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"flang",
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default=False,
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description="Build the LLVM Fortran compiler frontend",
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)
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variant(
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"omp_debug",
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default=False,
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description="Include debugging code in OpenMP runtime libraries",
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)
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variant("lldb", default=False, description="Build the LLVM debugger")
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variant("lld", default=True, description="Build the LLVM linker")
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variant("mlir", default=False, description="Build with MLIR support")
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variant(
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"internal_unwind",
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default=True,
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description="Build the libcxxabi libunwind",
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)
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variant(
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"polly",
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default=True,
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description="Build the LLVM polyhedral optimization plugin, "
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"only builds for 3.7.0+",
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)
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variant(
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"libcxx",
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default=True,
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description="Build the LLVM C++ standard library",
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)
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variant(
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"compiler-rt",
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default=True,
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description="Build LLVM compiler runtime, including sanitizers",
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)
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variant(
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"gold",
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default=(sys.platform != "darwin"),
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description="Add support for LTO with the gold linker plugin",
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)
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variant(
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"split_dwarf",
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default=False,
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description="Build with split dwarf information",
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)
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variant(
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"shared_libs",
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default=False,
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description="Build all components as shared libraries, faster, "
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"less memory to build, less stable",
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)
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variant(
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"llvm_dylib",
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default=False,
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description="Build LLVM shared library, containing all "
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"components in a single shared library",
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)
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variant(
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"link_llvm_dylib",
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default=False,
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description="Link LLVM tools against the LLVM shared library",
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)
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variant(
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"all_targets",
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default=False,
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description="Build all supported targets, default targets "
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"<current arch>,NVPTX,AMDGPU,CppBackend",
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)
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variant(
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"build_type",
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default="Release",
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description="CMake build type",
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values=("Debug", "Release", "RelWithDebInfo", "MinSizeRel"),
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)
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variant(
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"omp_tsan",
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default=False,
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description="Build with OpenMP capable thread sanitizer",
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)
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variant(
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"omp_as_runtime",
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default=True,
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description="Build OpenMP runtime via ENABLE_RUNTIME by just-built Clang",
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)
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variant(
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"argobots",
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default=False,
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description="Build BOLT/OpenMP with Argobots. Effective when @bolt",
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)
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variant('code_signing', default=False,
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description="Enable code-signing on macOS")
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variant("python", default=False, description="Install python bindings")
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variant('version_suffix', default='none', description="Add a symbol suffix")
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variant('z3', default=False, description='Use Z3 for the clang static analyzer')
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extends("python", when="+python")
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# Build dependency
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depends_on("cmake@3.4.3:", type="build")
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depends_on('cmake@3.13.4:', type='build', when='@12:')
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depends_on("ninja", type="build")
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depends_on("python", when="~python", type="build")
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depends_on("pkgconfig", type="build")
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# Universal dependency
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depends_on("python", when="+python")
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depends_on("z3", when='+clang+z3')
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# openmp dependencies
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depends_on("perl-data-dumper", type=("build"))
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depends_on("hwloc")
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depends_on("libelf", when="+cuda") # libomptarget
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depends_on("libffi", when="+cuda") # libomptarget
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# ncurses dependency
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depends_on("ncurses+termlib")
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# lldb dependencies
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depends_on("swig", when="+lldb")
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depends_on("libedit", when="+lldb")
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depends_on("py-six", when="+lldb +python")
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# gold support, required for some features
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depends_on("binutils+gold+ld+plugins", when="+gold")
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conflicts("+llvm_dylib", when="+shared_libs")
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conflicts("+link_llvm_dylib", when="~llvm_dylib")
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conflicts("+lldb", when="~clang")
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conflicts("+libcxx", when="~clang")
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conflicts("+internal_unwind", when="~clang")
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conflicts("+compiler-rt", when="~clang")
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conflicts("+flang", when="~clang")
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conflicts('~mlir', when='+flang', msg='Flang requires MLIR')
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# Older LLVM do not build with newer compilers, and vice versa
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conflicts("%gcc@8:", when="@:5")
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conflicts("%gcc@:5.0", when="@8:")
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# clang/lib: a lambda parameter cannot shadow an explicitly captured entity
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conflicts("%clang@8:", when="@:4")
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# When these versions are concretized, but not explicitly with +libcxx, these
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# conflicts will enable clingo to set ~libcxx, making the build successful:
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# libc++ of LLVM13, see https://libcxx.llvm.org/#platform-and-compiler-support
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# @13 does not support %gcc@:10 https://bugs.llvm.org/show_bug.cgi?id=51359#c1
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# GCC 11 - latest stable release per GCC release page
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# Clang: 11, 12 - latest two stable releases per LLVM release page
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# AppleClang 12 - latest stable release per Xcode release page
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conflicts("%gcc@:10", when="@13:+libcxx")
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conflicts("%clang@:10", when="@13:+libcxx")
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conflicts("%apple-clang@:11", when="@13:+libcxx")
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# libcxx-4 and compiler-rt-4 fail to build with "newer" clang and gcc versions:
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conflicts('%gcc@7:', when='@:4+libcxx')
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conflicts('%clang@6:', when='@:4+libcxx')
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conflicts('%apple-clang@6:', when='@:4+libcxx')
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conflicts('%gcc@7:', when='@:4+compiler-rt')
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conflicts('%clang@6:', when='@:4+compiler-rt')
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conflicts('%apple-clang@6:', when='@:4+compiler-rt')
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# OMP TSAN exists in > 5.x
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conflicts("+omp_tsan", when="@:5")
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# OpenMP via ENABLE_RUNTIME restrictions
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conflicts("+omp_as_runtime", when="~clang", msg="omp_as_runtime requires clang being built.")
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conflicts("+omp_as_runtime", when="@:11.1", msg="omp_as_runtime works since LLVM 12.")
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# cuda_arch value must be specified
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conflicts("cuda_arch=none", when="+cuda", msg="A value for cuda_arch must be specified.")
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# MLIR exists in > 10.x
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conflicts("+mlir", when="@:9")
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# code signing is only necessary on macOS",
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conflicts('+code_signing', when='platform=linux')
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conflicts('+code_signing', when='platform=cray')
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conflicts(
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'+code_signing',
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when='~lldb platform=darwin',
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msg="code signing is only necessary for building the "
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"in-tree debug server on macOS. Turning this variant "
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"off enables a build of llvm with lldb that uses the "
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"system debug server",
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)
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# LLVM bug https://bugs.llvm.org/show_bug.cgi?id=48234
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# CMake bug: https://gitlab.kitware.com/cmake/cmake/-/issues/21469
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# Fixed in upstream versions of both
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conflicts('^cmake@3.19.0', when='@:11.0.0')
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# Backport from llvm master + additional fix
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# see https://bugs.llvm.org/show_bug.cgi?id=39696
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# for a bug report about this problem in llvm master.
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patch("constexpr_longdouble_9.0.patch", when="@9:10.0.0+libcxx")
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# https://github.com/spack/spack/issues/19625,
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# merged in llvm-11.0.0_rc2
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patch("lldb_external_ncurses-10.patch", when="@10.0.0:10+lldb")
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# https://github.com/spack/spack/issues/19908
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# merged in llvm main prior to 12.0.0
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patch("llvm_python_path.patch", when="@11.0.0")
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# The functions and attributes below implement external package
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# detection for LLVM. See:
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#
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# https://spack.readthedocs.io/en/latest/packaging_guide.html#making-a-package-discoverable-with-spack-external-find
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executables = ['clang', 'flang', 'ld.lld', 'lldb']
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@classmethod
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def filter_detected_exes(cls, prefix, exes_in_prefix):
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result = []
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for exe in exes_in_prefix:
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# Executables like lldb-vscode-X are daemon listening
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# on some port and would hang Spack during detection.
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# clang-cl and clang-cpp are dev tools that we don't
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# need to test
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if any(x in exe for x in ('vscode', 'cpp', '-cl', '-gpu')):
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continue
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result.append(exe)
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return result
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@classmethod
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def determine_version(cls, exe):
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version_regex = re.compile(
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# Normal clang compiler versions are left as-is
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r'clang version ([^ )\n]+)-svn[~.\w\d-]*|'
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# Don't include hyphenated patch numbers in the version
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# (see https://github.com/spack/spack/pull/14365 for details)
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r'clang version ([^ )\n]+?)-[~.\w\d-]*|'
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r'clang version ([^ )\n]+)|'
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# LLDB
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r'lldb version ([^ )\n]+)|'
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# LLD
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r'LLD ([^ )\n]+) \(compatible with GNU linkers\)'
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)
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try:
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compiler = Executable(exe)
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output = compiler('--version', output=str, error=str)
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if 'Apple' in output:
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return None
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match = version_regex.search(output)
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if match:
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return match.group(match.lastindex)
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except spack.util.executable.ProcessError:
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pass
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except Exception as e:
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tty.debug(e)
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return None
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@classmethod
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def determine_variants(cls, exes, version_str):
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variants, compilers = ['+clang'], {}
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lld_found, lldb_found = False, False
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for exe in exes:
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if 'clang++' in exe:
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compilers['cxx'] = exe
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elif 'clang' in exe:
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compilers['c'] = exe
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elif 'flang' in exe:
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variants.append('+flang')
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compilers['fc'] = exe
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compilers['f77'] = exe
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elif 'ld.lld' in exe:
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lld_found = True
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compilers['ld'] = exe
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elif 'lldb' in exe:
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lldb_found = True
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compilers['lldb'] = exe
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variants.append('+lld' if lld_found else '~lld')
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variants.append('+lldb' if lldb_found else '~lldb')
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return ''.join(variants), {'compilers': compilers}
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@classmethod
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def validate_detected_spec(cls, spec, extra_attributes):
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# For LLVM 'compilers' is a mandatory attribute
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msg = ('the extra attribute "compilers" must be set for '
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'the detected spec "{0}"'.format(spec))
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assert 'compilers' in extra_attributes, msg
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compilers = extra_attributes['compilers']
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for key in ('c', 'cxx'):
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msg = '{0} compiler not found for {1}'
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assert key in compilers, msg.format(key, spec)
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@property
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def cc(self):
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msg = "cannot retrieve C compiler [spec is not concrete]"
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assert self.spec.concrete, msg
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if self.spec.external:
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return self.spec.extra_attributes['compilers'].get('c', None)
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result = None
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if '+clang' in self.spec:
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result = os.path.join(self.spec.prefix.bin, 'clang')
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return result
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@property
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def cxx(self):
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msg = "cannot retrieve C++ compiler [spec is not concrete]"
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assert self.spec.concrete, msg
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if self.spec.external:
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return self.spec.extra_attributes['compilers'].get('cxx', None)
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result = None
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if '+clang' in self.spec:
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result = os.path.join(self.spec.prefix.bin, 'clang++')
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return result
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@property
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def fc(self):
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msg = "cannot retrieve Fortran compiler [spec is not concrete]"
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assert self.spec.concrete, msg
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if self.spec.external:
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return self.spec.extra_attributes['compilers'].get('fc', None)
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result = None
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if '+flang' in self.spec:
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result = os.path.join(self.spec.prefix.bin, 'flang')
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return result
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@property
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def f77(self):
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msg = "cannot retrieve Fortran 77 compiler [spec is not concrete]"
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assert self.spec.concrete, msg
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if self.spec.external:
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return self.spec.extra_attributes['compilers'].get('f77', None)
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result = None
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if '+flang' in self.spec:
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result = os.path.join(self.spec.prefix.bin, 'flang')
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return result
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@run_before('cmake')
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def codesign_check(self):
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if self.spec.satisfies("+code_signing"):
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codesign = which('codesign')
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mkdir('tmp')
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llvm_check_file = join_path('tmp', 'llvm_check')
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copy('/usr/bin/false', llvm_check_file)
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try:
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codesign('-f', '-s', 'lldb_codesign', '--dryrun',
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llvm_check_file)
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except ProcessError:
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# Newer LLVM versions have a simple script that sets up
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# automatically when run with sudo priviliges
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setup = Executable("./lldb/scripts/macos-setup-codesign.sh")
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try:
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setup()
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except Exception:
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raise RuntimeError(
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'spack was unable to either find or set up'
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'code-signing on your system. Please refer to'
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'https://lldb.llvm.org/resources/build.html#'
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'code-signing-on-macos for details on how to'
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'create this identity.'
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)
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def flag_handler(self, name, flags):
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if name == 'cxxflags':
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flags.append(self.compiler.cxx11_flag)
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return(None, flags, None)
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elif name == 'ldflags' and self.spec.satisfies('%intel'):
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flags.append('-shared-intel')
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return(None, flags, None)
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return(flags, None, None)
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def setup_build_environment(self, env):
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"""When using %clang, add only its ld.lld-$ver and/or ld.lld to our PATH"""
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if self.compiler.name in ['clang', 'apple-clang']:
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for lld in 'ld.lld-{0}'.format(self.compiler.version.version[0]), 'ld.lld':
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bin = os.path.join(os.path.dirname(self.compiler.cc), lld)
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sym = os.path.join(self.stage.path, 'ld.lld')
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if os.path.exists(bin) and not os.path.exists(sym):
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mkdirp(self.stage.path)
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os.symlink(bin, sym)
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env.prepend_path('PATH', self.stage.path)
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def setup_run_environment(self, env):
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if "+clang" in self.spec:
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env.set("CC", join_path(self.spec.prefix.bin, "clang"))
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env.set("CXX", join_path(self.spec.prefix.bin, "clang++"))
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if "+flang" in self.spec:
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env.set("FC", join_path(self.spec.prefix.bin, "flang"))
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env.set("F77", join_path(self.spec.prefix.bin, "flang"))
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root_cmakelists_dir = "llvm"
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def cmake_args(self):
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spec = self.spec
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define = CMakePackage.define
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from_variant = self.define_from_variant
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python = spec['python']
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cmake_args = [
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define("LLVM_REQUIRES_RTTI", True),
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define("LLVM_ENABLE_RTTI", True),
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define("LLVM_ENABLE_EH", True),
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define("CLANG_DEFAULT_OPENMP_RUNTIME", "libomp"),
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define("PYTHON_EXECUTABLE", python.command.path),
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define("LIBOMP_USE_HWLOC", True),
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define("LIBOMP_HWLOC_INSTALL_DIR", spec["hwloc"].prefix),
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]
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version_suffix = spec.variants['version_suffix'].value
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if version_suffix != 'none':
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cmake_args.append(define('LLVM_VERSION_SUFFIX', version_suffix))
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if python.version >= Version("3"):
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cmake_args.append(define("Python3_EXECUTABLE", python.command.path))
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else:
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cmake_args.append(define("Python2_EXECUTABLE", python.command.path))
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projects = []
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runtimes = []
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if "+cuda" in spec:
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cmake_args.extend([
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define("CUDA_TOOLKIT_ROOT_DIR", spec["cuda"].prefix),
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define("LIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES",
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",".join(spec.variants["cuda_arch"].value)),
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define("CLANG_OPENMP_NVPTX_DEFAULT_ARCH",
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"sm_{0}".format(spec.variants["cuda_arch"].value[-1])),
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|
])
|
|
if "+omp_as_runtime" in spec:
|
|
cmake_args.extend([
|
|
define("LIBOMPTARGET_NVPTX_ENABLE_BCLIB", True),
|
|
# work around bad libelf detection in libomptarget
|
|
define("LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIR",
|
|
spec["libelf"].prefix.include),
|
|
])
|
|
else:
|
|
# still build libomptarget but disable cuda
|
|
cmake_args.extend([
|
|
define("CUDA_TOOLKIT_ROOT_DIR", "IGNORE"),
|
|
define("CUDA_SDK_ROOT_DIR", "IGNORE"),
|
|
define("CUDA_NVCC_EXECUTABLE", "IGNORE"),
|
|
define("LIBOMPTARGET_DEP_CUDA_DRIVER_LIBRARIES", "IGNORE"),
|
|
])
|
|
|
|
cmake_args.append(from_variant("LIBOMPTARGET_ENABLE_DEBUG", "omp_debug"))
|
|
|
|
if "+lldb" in spec:
|
|
if spec.version >= Version('10'):
|
|
cmake_args.append(from_variant("LLDB_ENABLE_PYTHON", 'python'))
|
|
else:
|
|
cmake_args.append(define("LLDB_DISABLE_PYTHON",
|
|
'~python' in spec))
|
|
if spec.satisfies("@5.0.0: +python"):
|
|
cmake_args.append(define("LLDB_USE_SYSTEM_SIX", True))
|
|
|
|
if "+gold" in spec:
|
|
cmake_args.append(
|
|
define("LLVM_BINUTILS_INCDIR", spec["binutils"].prefix.include)
|
|
)
|
|
|
|
if "+clang" in spec:
|
|
projects.append("clang")
|
|
projects.append("clang-tools-extra")
|
|
if "+omp_as_runtime" in spec:
|
|
runtimes.append("openmp")
|
|
else:
|
|
projects.append("openmp")
|
|
|
|
if self.spec.satisfies("@8"):
|
|
cmake_args.append(define('CLANG_ANALYZER_ENABLE_Z3_SOLVER',
|
|
self.spec.satisfies('@8+z3')))
|
|
if self.spec.satisfies("@9:"):
|
|
cmake_args.append(define('LLVM_ENABLE_Z3_SOLVER',
|
|
self.spec.satisfies('@9:+z3')))
|
|
|
|
if "+flang" in spec:
|
|
projects.append("flang")
|
|
if "+lldb" in spec:
|
|
projects.append("lldb")
|
|
if "+lld" in spec:
|
|
projects.append("lld")
|
|
if "+compiler-rt" in spec:
|
|
projects.append("compiler-rt")
|
|
if "+libcxx" in spec:
|
|
projects.append("libcxx")
|
|
projects.append("libcxxabi")
|
|
if "+mlir" in spec:
|
|
projects.append("mlir")
|
|
if "+internal_unwind" in spec:
|
|
projects.append("libunwind")
|
|
if "+polly" in spec:
|
|
projects.append("polly")
|
|
cmake_args.append(define("LINK_POLLY_INTO_TOOLS", True))
|
|
|
|
cmake_args.extend([
|
|
from_variant("BUILD_SHARED_LIBS", "shared_libs"),
|
|
from_variant("LLVM_BUILD_LLVM_DYLIB", "llvm_dylib"),
|
|
from_variant("LLVM_LINK_LLVM_DYLIB", "link_llvm_dylib"),
|
|
from_variant("LLVM_USE_SPLIT_DWARF", "split_dwarf"),
|
|
# By default on Linux, libc++.so is a ldscript. CMake fails to add
|
|
# CMAKE_INSTALL_RPATH to it, which fails. Statically link libc++abi.a
|
|
# into libc++.so, linking with -lc++ or -stdlib=libc++ is enough.
|
|
define('LIBCXX_ENABLE_STATIC_ABI_LIBRARY', True)
|
|
])
|
|
|
|
if "+all_targets" not in spec: # all is default on cmake
|
|
|
|
targets = ["NVPTX", "AMDGPU"]
|
|
if spec.version < Version("3.9.0"):
|
|
# Starting in 3.9.0 CppBackend is no longer a target (see
|
|
# LLVM_ALL_TARGETS in llvm's top-level CMakeLists.txt for
|
|
# the complete list of targets)
|
|
targets.append("CppBackend")
|
|
|
|
if spec.target.family in ("x86", "x86_64"):
|
|
targets.append("X86")
|
|
elif spec.target.family == "arm":
|
|
targets.append("ARM")
|
|
elif spec.target.family == "aarch64":
|
|
targets.append("AArch64")
|
|
elif spec.target.family in ("sparc", "sparc64"):
|
|
targets.append("Sparc")
|
|
elif spec.target.family in ("ppc64", "ppc64le", "ppc", "ppcle"):
|
|
targets.append("PowerPC")
|
|
|
|
cmake_args.append(define("LLVM_TARGETS_TO_BUILD", targets))
|
|
|
|
cmake_args.append(from_variant("LIBOMP_TSAN_SUPPORT", "omp_tsan"))
|
|
|
|
if spec.satisfies("@bolt"):
|
|
projects.remove("openmp")
|
|
projects.append("bolt")
|
|
cmake_args.append("-DLIBOMP_USE_BOLT_DEFAULT=ON")
|
|
if "+argobots" in spec and spec.satisfies("@bolt"):
|
|
cmake_args.append("-DLIBOMP_USE_ARGOBOTS=ON")
|
|
|
|
if self.compiler.name == "gcc":
|
|
compiler = Executable(self.compiler.cc)
|
|
gcc_output = compiler('-print-search-dirs', output=str, error=str)
|
|
|
|
for line in gcc_output.splitlines():
|
|
if line.startswith("install:"):
|
|
# Get path and strip any whitespace
|
|
# (causes oddity with ancestor)
|
|
gcc_prefix = line.split(":")[1].strip()
|
|
gcc_prefix = ancestor(gcc_prefix, 4)
|
|
break
|
|
cmake_args.append(define("GCC_INSTALL_PREFIX", gcc_prefix))
|
|
|
|
# if spec.satisfies("platform=cray") or spec.satisfies("platform=linux"):
|
|
# cmake_args.append("-DCMAKE_BUILD_WITH_INSTALL_RPATH=1")
|
|
|
|
if self.spec.satisfies("~code_signing platform=darwin"):
|
|
cmake_args.append(define('LLDB_USE_SYSTEM_DEBUGSERVER', True))
|
|
|
|
# Semicolon seperated list of projects to enable
|
|
cmake_args.append(define("LLVM_ENABLE_PROJECTS", projects))
|
|
|
|
# Semicolon seperated list of runtimes to enable
|
|
if runtimes:
|
|
cmake_args.append(define("LLVM_ENABLE_RUNTIMES", runtimes))
|
|
|
|
return cmake_args
|
|
|
|
@run_after("install")
|
|
def post_install(self):
|
|
spec = self.spec
|
|
define = CMakePackage.define
|
|
|
|
# unnecessary if we build openmp via LLVM_ENABLE_RUNTIMES
|
|
if "+cuda ~omp_as_runtime" in self.spec:
|
|
ompdir = "build-bootstrapped-omp"
|
|
prefix_paths = spack.build_environment.get_cmake_prefix_path(self)
|
|
prefix_paths.append(str(spec.prefix))
|
|
# rebuild libomptarget to get bytecode runtime library files
|
|
with working_dir(ompdir, create=True):
|
|
cmake_args = [
|
|
'-G', 'Ninja',
|
|
define('CMAKE_BUILD_TYPE', spec.variants['build_type'].value),
|
|
define("CMAKE_C_COMPILER", spec.prefix.bin + "/clang"),
|
|
define("CMAKE_CXX_COMPILER", spec.prefix.bin + "/clang++"),
|
|
define("CMAKE_INSTALL_PREFIX", spec.prefix),
|
|
define('CMAKE_PREFIX_PATH', prefix_paths)
|
|
]
|
|
cmake_args.extend(self.cmake_args())
|
|
cmake_args.extend([
|
|
define("LIBOMPTARGET_NVPTX_ENABLE_BCLIB", True),
|
|
define("LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIR",
|
|
spec["libelf"].prefix.include),
|
|
self.stage.source_path + "/openmp",
|
|
])
|
|
|
|
cmake(*cmake_args)
|
|
ninja()
|
|
ninja("install")
|
|
if "+python" in self.spec:
|
|
install_tree("llvm/bindings/python", python_platlib)
|
|
|
|
if "+clang" in self.spec:
|
|
install_tree("clang/bindings/python", python_platlib)
|
|
|
|
with working_dir(self.build_directory):
|
|
install_tree("bin", join_path(self.prefix, "libexec", "llvm"))
|