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# Copyright 2013-2024 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 argparse
import sys
import llnl.util.tty as tty
from llnl.util.lang import index_by
from llnl.util.tty.colify import colify
from llnl.util.tty.color import colorize
import spack.compilers
import spack.config
import spack.spec
from spack.cmd.common import arguments
description = "manage compilers"
section = "system"
level = "long"
def setup_parser(subparser):
sp = subparser.add_subparsers(metavar="SUBCOMMAND", dest="compiler_command")
# Find
find_parser = sp.add_parser(
"find",
aliases=["add"],
help="search the system for compilers to add to Spack configuration",
)
mixed_toolchain_group = find_parser.add_mutually_exclusive_group()
mixed_toolchain_group.add_argument(
"--mixed-toolchain",
action="store_true",
default=sys.platform == "darwin",
help="Allow mixed toolchains (for example: clang, clang++, gfortran)",
)
mixed_toolchain_group.add_argument(
"--no-mixed-toolchain",
action="store_false",
dest="mixed_toolchain",
help="Do not allow mixed toolchains (for example: clang, clang++, gfortran)",
)
find_parser.add_argument("add_paths", nargs=argparse.REMAINDER)
find_parser.add_argument(
"--scope",
action=arguments.ConfigScope,
default=lambda: spack.config.default_modify_scope("compilers"),
help="configuration scope to modify",
)
# Remove
remove_parser = sp.add_parser("remove", aliases=["rm"], help="remove compiler by spec")
remove_parser.add_argument(
"-a", "--all", action="store_true", help="remove ALL compilers that match spec"
)
remove_parser.add_argument("compiler_spec")
remove_parser.add_argument(
"--scope", action=arguments.ConfigScope, default=None, help="configuration scope to modify"
)
# List
list_parser = sp.add_parser("list", help="list available compilers")
list_parser.add_argument(
"--scope", action=arguments.ConfigScope, help="configuration scope to read from"
)
# Info
info_parser = sp.add_parser("info", help="show compiler paths")
info_parser.add_argument("compiler_spec")
info_parser.add_argument(
"--scope", action=arguments.ConfigScope, help="configuration scope to read from"
)
def compiler_find(args):
"""Search either $PATH or a list of paths OR MODULES for compilers and
add them to Spack's configuration.
"""
# None signals spack.compiler.find_compilers to use its default logic
paths = args.add_paths or None
# Below scope=None because we want new compilers that don't appear
# in any other configuration.
new_compilers = spack.compilers.find_new_compilers(
paths, scope=None, mixed_toolchain=args.mixed_toolchain
)
if new_compilers:
spack.compilers.add_compilers_to_config(new_compilers, scope=args.scope, init_config=False)
n = len(new_compilers)
s = "s" if n > 1 else ""
config = spack.config.CONFIG
filename = config.get_config_filename(args.scope, "compilers")
tty.msg("Added %d new compiler%s to %s" % (n, s, filename))
colify(reversed(sorted(c.spec.display_str for c in new_compilers)), indent=4)
else:
tty.msg("Found no new compilers")
tty.msg("Compilers are defined in the following files:")
colify(spack.compilers.compiler_config_files(), indent=4)
def compiler_remove(args):
compiler_spec = spack.spec.CompilerSpec(args.compiler_spec)
candidate_compilers = spack.compilers.compilers_for_spec(compiler_spec, scope=args.scope)
if not candidate_compilers:
tty.die("No compilers match spec %s" % compiler_spec)
if not args.all and len(candidate_compilers) > 1:
tty.error(f"Multiple compilers match spec {compiler_spec}. Choose one:")
colify(reversed(sorted([c.spec.display_str for c in candidate_compilers])), indent=4)
tty.msg("Or, use `spack compiler remove -a` to remove all of them.")
sys.exit(1)
for current_compiler in candidate_compilers:
spack.compilers.remove_compiler_from_config(current_compiler.spec, scope=args.scope)
tty.msg(f"{current_compiler.spec.display_str} has been removed")
def compiler_info(args):
"""Print info about all compilers matching a spec."""
cspec = spack.spec.CompilerSpec(args.compiler_spec)
compilers = spack.compilers.compilers_for_spec(cspec, scope=args.scope)
if not compilers:
tty.die("No compilers match spec %s" % cspec)
else:
for c in compilers:
print(c.spec.display_str + ":")
print("\tpaths:")
for cpath in ["cc", "cxx", "f77", "fc"]:
print("\t\t%s = %s" % (cpath, getattr(c, cpath, None)))
if c.flags:
print("\tflags:")
for flag, flag_value in c.flags.items():
print("\t\t%s = %s" % (flag, flag_value))
if len(c.environment) != 0:
if len(c.environment.get("set", {})) != 0:
print("\tenvironment:")
print("\t set:")
for key, value in c.environment["set"].items():
print("\t %s = %s" % (key, value))
if c.extra_rpaths:
print("\tExtra rpaths:")
for extra_rpath in c.extra_rpaths:
print("\t\t%s" % extra_rpath)
print("\tmodules = %s" % c.modules)
print("\toperating system = %s" % c.operating_system)
def compiler_list(args):
compilers = spack.compilers.all_compilers(scope=args.scope, init_config=False)
# If there are no compilers in any scope, and we're outputting to a tty, give a
# hint to the user.
if len(compilers) == 0:
if not sys.stdout.isatty():
return
msg = "No compilers available"
if args.scope is None:
msg += ". Run `spack compiler find` to autodetect compilers"
tty.msg(msg)
return
index = index_by(compilers, lambda c: (c.spec.name, c.operating_system, c.target))
tty.msg("Available compilers")
# For a container, take each element which does not evaluate to false and
# convert it to a string. For elements which evaluate to False (e.g. None)
# convert them to '' (in which case it still evaluates to False but is a
# string type). Tuples produced by this are guaranteed to be comparable in
# Python 3
convert_str = lambda tuple_container: tuple(str(x) if x else "" for x in tuple_container)
index_str_keys = list((convert_str(x), y) for x, y in index.items())
ordered_sections = sorted(index_str_keys, key=lambda item: item[0])
for i, (key, compilers) in enumerate(ordered_sections):
if i >= 1:
print()
name, os, target = key
os_str = os
if target:
os_str += "-%s" % target
cname = "%s{%s} %s" % (spack.spec.COMPILER_COLOR, name, os_str)
tty.hline(colorize(cname), char="-")
colify(reversed(sorted(c.spec.display_str for c in compilers)))
def compiler(parser, args):
action = {
"add": compiler_find,
"find": compiler_find,
"remove": compiler_remove,
"rm": compiler_remove,
"info": compiler_info,
"list": compiler_list,
}
action[args.compiler_command](args)
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