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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)

from spack.package import *


class Mpip(AutotoolsPackage):

    """mpiP: Lightweight, Scalable MPI Profiling"""

    homepage = "https://software.llnl.gov/mpiP/"
    url = "https://github.com/LLNL/mpiP/releases/download/3.5/mpip-3.5.tgz"
    git = "https://github.com/llnl/mpip.git"
    maintainers("cchambreau")

    license("Unlicense")

    version("master", branch="master")
    version("3.5", sha256="e366843d53fa016fb03903e51c8aac901aa5155edabe64698a8d6fa618a03bbd")

    variant("demangling", default=True, description="Build with demangling support")

    variant("setjmp", default=False, description="Use setjmp to generate stack trace")

    variant("mpi_io", default=True, description="Enable MPI-I/O reporting")

    variant("mpi_rma", default=True, description="Enable MPI RMA reporting")

    variant("mpi_nbc", default=True, description="Enable MPI non-blocking collective reporting")

    variant("bfd", default=True, description="Enable GNU binutils libbfd for source lookup")

    variant("libunwind", default=True, description="Use libunwind togenerate stack trace")

    variant(
        "maxargs",
        values=int,
        default=32,
        description="Set number of command line arguments in report",
    )

    variant(
        "stackdepth", values=int, default=8, description="Specify maximum report stacktrace depth"
    )

    variant(
        "internal_stackdepth",
        values=int,
        default=3,
        description="Specify number of internal stack frames",
    )

    variant("add_shared_target", default=False, description="Add shared make target")

    conflicts("platform=darwin")

    # make-wrappers.py wrapper generator script requires python
    depends_on("python@2:", type="build")
    depends_on("mpi")

    #  '+setjmp' adds '--disable-libunwind' to the confiure args
    depends_on("unwind", when="+libunwind ~setjmp")

    def configure_args(self):
        spec = self.spec

        config_args = []
        config_args.append("--with-cc=%s" % spec["mpi"].mpicc)
        config_args.append("--with-cxx=%s" % spec["mpi"].mpicxx)
        config_args.append("--with-f77=%s" % spec["mpi"].mpif77)

        #  mpiP checks for libiberty demangling during configure.
        #  Current mpiP configure functionality allows specifying alternate
        #  demangling support (IBM, Compaq) as an argument, but the usefulness
        #  of this is not clear.
        #
        #  Since, --enable-demangling doesn't do anything,
        #  providing --disable-demangling in the event that there is an error
        #  with demangling.
        if "-demangling" in spec:
            config_args.append("--disable-demangling")

        if "-mpi_io" in spec:
            config_args.append("--disable-mpi-io")

        if "-mpi_rma" in spec:
            config_args.append("--disable-mpi-rma")

        if "-mpi_nbc" in spec:
            config_args.append("--disable-mpi-nbc")

        if "-bfd" in spec:
            config_args.append("--disable-bfd")

        if "-libunwind" in spec:
            config_args.append("--disable-libunwind")

        #  Simply enabling setjmp may result in libunwind being used,
        #  if available.  Adding --disable-libunwind to ensure setjmp is used.
        if "+setjmp" in spec:
            config_args.append("--disable-libunwind")
            config_args.append("--enable-setjmp")

        maxargs = int(spec.variants["maxargs"].value)
        config_args.extend(["--enable-maxargs={0}".format(maxargs)])

        stackdepth = int(spec.variants["stackdepth"].value)
        config_args.extend(["--enable-stackdepth={0}".format(stackdepth)])

        internal_stackdepth = int(spec.variants["internal_stackdepth"].value)
        config_args.extend(["--enable-internal-stackdepth={0}".format(internal_stackdepth)])
        return config_args

    #  Support 3.4.1 'shared' target for building shared library
    @property
    def build_targets(self):
        targets = []
        if "+add_shared_target" in self.spec:
            targets.append("shared")

        return targets