611 lines
24 KiB
Python
611 lines
24 KiB
Python
# Copyright 2013-2024 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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from spack.package import *
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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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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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depends_on("c", type="build") # generated
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depends_on("cxx", type="build") # generated
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depends_on("fortran", type="build") # generated
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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", default=True, description="Build the LLVM C/C++/Objective-C compiler frontend"
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)
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variant("flang", default=False, description="Build the LLVM Fortran compiler frontend")
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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("internal_unwind", default=True, description="Build the libcxxabi libunwind")
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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, " "only builds for 3.7.0+",
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)
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variant("libcxx", default=True, description="Build the LLVM C++ standard library")
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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("split_dwarf", default=False, description="Build with split dwarf information")
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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("omp_tsan", default=False, description="Build with OpenMP capable thread sanitizer")
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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, 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("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("+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(
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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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if "AMD" 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 ' 'the detected spec "{0}"'.format(
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spec
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)
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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", 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 = self.define
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from_variant = self.define_from_variant
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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("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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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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[
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define("CUDA_TOOLKIT_ROOT_DIR", spec["cuda"].prefix),
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define(
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"LIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES",
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",".join(spec.variants["cuda_arch"].value),
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),
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define(
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"CLANG_OPENMP_NVPTX_DEFAULT_ARCH",
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"sm_{0}".format(spec.variants["cuda_arch"].value[-1]),
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),
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]
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)
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if "+omp_as_runtime" in spec:
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cmake_args.extend(
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[
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define("LIBOMPTARGET_NVPTX_ENABLE_BCLIB", True),
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# work around bad libelf detection in libomptarget
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define(
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"LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIR", spec["libelf"].prefix.include
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),
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]
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)
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else:
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# still build libomptarget but disable cuda
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cmake_args.extend(
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[
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define("CUDA_TOOLKIT_ROOT_DIR", "IGNORE"),
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define("CUDA_SDK_ROOT_DIR", "IGNORE"),
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define("CUDA_NVCC_EXECUTABLE", "IGNORE"),
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define("LIBOMPTARGET_DEP_CUDA_DRIVER_LIBRARIES", "IGNORE"),
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]
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)
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cmake_args.append(from_variant("LIBOMPTARGET_ENABLE_DEBUG", "omp_debug"))
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if "+lldb" in spec:
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if spec.version >= Version("10"):
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cmake_args.append(from_variant("LLDB_ENABLE_PYTHON", "python"))
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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(
|
|
[
|
|
define("BUILD_SHARED_LIBS", False),
|
|
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":
|
|
cmake_args.append(define("GCC_INSTALL_PREFIX", self.compiler.prefix))
|
|
|
|
# if 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 = self.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"))
|