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# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import os
from spack.package import *
class Templight(CMakePackage):
"""Templight is a Clang-based tool to profile the time and memory
consumption of template instantiations and to perform interactive
debugging sessions to gain introspection into the template
instantiation process."""
homepage = "https://github.com/mikael-s-persson/templight"
git = "https://github.com/mikael-s-persson/templight.git"
llvm_svn = "http://llvm.org/svn/llvm-project/{0}/trunk"
family = "compiler" # Used by lmod
# Templight is a patch to clang, so we have three versions to care about:
# - The one that will be used in Spack specifications
# - The git branch that we need to fetch from in the templight repo
# - The svn tag that we need to fetch from in the LLVM repos
version("develop", branch="master")
resource(
name="llvm-trunk",
svn=llvm_svn.format("llvm"),
destination=".",
placement="llvm",
when="@develop",
)
resource(
name="clang-trunk",
svn=llvm_svn.format("cfe"),
destination="llvm/tools",
placement="clang",
when="@develop",
)
# Templight has no stable release yet, and is supposed to be built against
# the LLVM trunk. As this is a brittle combination, I decided to
# artificially create stable releases based on what works today. Please
# feel free to remove these versions once templight has stabilized.
version("2019.01.09", commit="0899a4345607f1bb244cae477214f274ad2c52cc")
resource(
name="llvm-r350726",
svn=llvm_svn.format("llvm"),
revision=350726,
destination=".",
placement="llvm",
when="@2019.01.09",
)
resource(
name="clang-r350726",
svn=llvm_svn.format("cfe"),
revision=350726,
destination="llvm/tools",
placement="clang",
when="@2019.01.09",
)
version("2018.07.20", commit="91589f95427620dd0a2346bd69ba922f374aa42a")
resource(
name="llvm-r337566",
svn=llvm_svn.format("llvm"),
revision=337566,
destination=".",
placement="llvm",
when="@2018.07.20",
)
resource(
name="clang-r337566",
svn=llvm_svn.format("cfe"),
revision=337566,
destination="llvm/tools",
placement="clang",
when="@2018.07.20",
)
patch("develop-20180720.patch", when="@2018.07.20")
# NOTE: LLVM has many configurable tweaks and optional tools/extensions.
# I did not think that propagating all of these to a debugging and
# performance analysis tool was worth the maintenance burden. But
# if you disagree, the llvm package can be used for inspiration.
depends_on("cmake@3.4.3:", type="build")
depends_on("python")
depends_on("py-lit", type=("build", "run"))
def patch(self):
# We start with the templight source tree and an "llvm" subdir.
# But we actually need an llvm source tree with a "templight" subdir.
# Let's flip the directory organization around
templight_files = os.listdir(".")
templight_files.remove("llvm")
templight_dir = "llvm/tools/clang/tools/templight"
os.mkdir(templight_dir)
for name in templight_files:
os.rename(name, os.path.join(templight_dir, name))
for name in os.listdir("llvm"):
os.rename(os.path.join("llvm", name), name)
os.rmdir("llvm")
# Tell the clang build system that it needs to build templight
with open("tools/clang/tools/CMakeLists.txt", "a") as cmake_lists:
cmake_lists.write("add_clang_subdirectory(templight)")
def setup_build_environment(self, env):
env.append_flags("CXXFLAGS", self.compiler.cxx11_flag)
def setup_run_environment(self, env):
env.set("CC", join_path(self.spec.prefix.bin, "templight"))
env.set("CXX", join_path(self.spec.prefix.bin, "templight++"))
def cmake_args(self):
spec = self.spec
# Templight is a debugging tool, not a production compiler, so we only
# need a very bare-bones build of clang
#
# Minimal build config ideas were taken from the llvm package, with
# the templight-specific assumption that we will always be building
# for LLVM / Clang 5.0+ and can safely ignore older tricks.
#
cmake_args = [
"-DLLVM_REQUIRES_RTTI:BOOL=ON",
"-DCLANG_DEFAULT_OPENMP_RUNTIME:STRING=libomp",
"-DPYTHON_EXECUTABLE:PATH={0}".format(spec["python"].command.path),
"-DLLVM_EXTERNAL_POLLY_BUILD:Bool=OFF",
"-DLLVM_TOOL_POLLY_BUILD:Bool=OFF",
"-DLLVM_POLLY_BUILD:Bool=OFF",
"-DLLVM_POLLY_LINK_INTO_TOOLS:Bool=OFF",
"-DLLVM_EXTERNAL_LLDB_BUILD:Bool=OFF",
"-DLLVM_TOOL_LLDB_BUILD:Bool=OFF",
"-DLLVM_TOOL_LLD_BUILD:Bool=OFF",
"-DLLVM_EXTERNAL_LIBUNWIND_BUILD:Bool=OFF",
"-DLLVM_EXTERNAL_LIBCXX_BUILD:Bool=OFF",
"-DLLVM_EXTERNAL_LIBCXXABI_BUILD:Bool=OFF",
"-DLLVM_EXTERNAL_COMPILER_RT_BUILD:Bool=OFF",
]
targets = ["NVPTX", "AMDGPU"]
if spec.target.family == "x86" or spec.target.family == "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 == "sparc" or spec.target.family == "sparc64":
targets.append("Sparc")
elif (
spec.target.family == "ppc64"
or spec.target.family == "ppc64le"
or spec.target.family == "ppc"
or spec.target.family == "ppcle"
):
targets.append("PowerPC")
cmake_args.append("-DLLVM_TARGETS_TO_BUILD:Bool=" + ";".join(targets))
if spec.satisfies("platform=linux"):
cmake_args.append("-DCMAKE_BUILD_WITH_INSTALL_RPATH=1")
return cmake_args
@run_after("install")
def post_install(self):
with working_dir(self.build_directory):
install_tree("bin", self.prefix.libexec.llvm)
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