# 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 os
import sys
from spack.compiler import Compiler, UnsupportedCompilerFlag
from spack.version import Version
[docs]
class Intel(Compiler):
# Subclasses use possible names of C compiler
cc_names = ["icc"]
# Subclasses use possible names of C++ compiler
cxx_names = ["icpc"]
# Subclasses use possible names of Fortran 77 compiler
f77_names = ["ifort"]
# Subclasses use possible names of Fortran 90 compiler
fc_names = ["ifort"]
# Named wrapper links within build_env_path
link_paths = {
"cc": os.path.join("intel", "icc"),
"cxx": os.path.join("intel", "icpc"),
"f77": os.path.join("intel", "ifort"),
"fc": os.path.join("intel", "ifort"),
}
PrgEnv = "PrgEnv-intel"
PrgEnv_compiler = "intel"
if sys.platform == "win32":
version_argument = "/QV"
else:
version_argument = "--version"
if sys.platform == "win32":
version_regex = r"([1-9][0-9]*\.[0-9]*\.[0-9]*)"
else:
version_regex = r"\((?:IFORT|ICC)\) ([^ ]+)"
@property
def verbose_flag(self):
return "-v"
required_libs = ["libirc", "libifcore", "libifcoremt", "libirng"]
@property
def debug_flags(self):
return ["-debug", "-g", "-g0", "-g1", "-g2", "-g3"]
@property
def opt_flags(self):
return ["-O", "-O0", "-O1", "-O2", "-O3", "-Ofast", "-Os"]
@property
def openmp_flag(self):
if self.real_version < Version("16.0"):
return "-openmp"
else:
return "-qopenmp"
@property
def cxx11_flag(self):
if self.real_version < Version("11.1"):
raise UnsupportedCompilerFlag(self, "the C++11 standard", "cxx11_flag", "< 11.1")
elif self.real_version < Version("13"):
return "-std=c++0x"
else:
return "-std=c++11"
@property
def cxx14_flag(self):
# Adapted from CMake's Intel-CXX rules.
if self.real_version < Version("15"):
raise UnsupportedCompilerFlag(self, "the C++14 standard", "cxx14_flag", "< 15")
elif self.real_version < Version("15.0.2"):
return "-std=c++1y"
else:
return "-std=c++14"
@property
def cxx17_flag(self):
# https://www.intel.com/content/www/us/en/developer/articles/news/c17-features-supported-by-c-compiler.html
if self.real_version < Version("19"):
raise UnsupportedCompilerFlag(self, "the C++17 standard", "cxx17_flag", "< 19")
else:
return "-std=c++17"
@property
def c99_flag(self):
if self.real_version < Version("12"):
raise UnsupportedCompilerFlag(self, "the C99 standard", "c99_flag", "< 12")
else:
return "-std=c99"
@property
def c11_flag(self):
if self.real_version < Version("16"):
raise UnsupportedCompilerFlag(self, "the C11 standard", "c11_flag", "< 16")
else:
return "-std=c1x"
@property
def cc_pic_flag(self):
return "-fPIC"
@property
def cxx_pic_flag(self):
return "-fPIC"
@property
def f77_pic_flag(self):
return "-fPIC"
@property
def fc_pic_flag(self):
return "-fPIC"
@property
def stdcxx_libs(self):
return ("-cxxlib",)