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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 collections
import os.path
import re
import llnl.util.tty as tty
import spack.compiler
from spack.package import *
class Xlf(Package):
"""IBM XL Fortran is an advanced, high-performance compiler that can be
used for developing complex, computationally intensive programs, including
interlanguage calls with C and Fortran programs.
"""
homepage = "https://www.ibm.com/support/knowledgecenter/SSXVZZ_16.1.1/com.ibm.compilers.linux.doc/welcome.html"
variant("r", default=True, description="The _r version of compilers")
def install(self, spec, prefix):
raise InstallError(
"XL compilers are not installable yet, but can be "
"detected on a system where they are supplied by vendor"
)
executables = [r"xlf"]
@classmethod
def determine_version(cls, exe):
version_regex = re.compile(r"([0-9]?[0-9]\.[0-9])")
try:
output = spack.compiler.get_compiler_version_output(exe, "-qversion")
match = version_regex.search(output)
if match:
return match.group(1)
except spack.util.executable.ProcessError:
pass
except Exception as e:
tty.debug(e)
@classmethod
def determine_variants(cls, exes, version_str):
variants = collections.defaultdict(dict)
for exe in exes:
if os.path.basename(exe) == "xlf":
variants["~r"]["fortran"] = exe
continue
if os.path.basename(exe) == "xlf_r":
variants["+r"]["fortran"] = exe
continue
results = []
for variant_str, compilers in variants.items():
results.append((variant_str, {"compilers": compilers}))
return results
@property
def fortran(self):
if self.spec.external:
return self.spec.extra_attributes["compilers"]["fortran"]
msg = "cannot retrieve C compiler [spec is not concrete]"
assert self.spec.concrete, msg
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