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# SPDX-License-Identifier: Apache-2.0
# Copyright 2019 The meson development team
from __future__ import annotations
"""Abstractions for the Intel Compiler families.
Intel provides both a posix/gcc-like compiler (ICC) for MacOS and Linux,
with Meson mixin IntelGnuLikeCompiler.
For Windows, the Intel msvc-like compiler (ICL) Meson mixin
is IntelVisualStudioLikeCompiler.
"""
import os
import typing as T
from ... import mesonlib
from ..compilers import CompileCheckMode
from .gnu import GnuLikeCompiler
from .visualstudio import VisualStudioLikeCompiler
from ...options import OptionKey
# XXX: avoid circular dependencies
# TODO: this belongs in a posix compiler class
# NOTE: the default Intel optimization is -O2, unlike GNU which defaults to -O0.
# this can be surprising, particularly for debug builds, so we specify the
# default as -O0.
# https://software.intel.com/en-us/cpp-compiler-developer-guide-and-reference-o
# https://software.intel.com/en-us/cpp-compiler-developer-guide-and-reference-g
# https://software.intel.com/en-us/fortran-compiler-developer-guide-and-reference-o
# https://software.intel.com/en-us/fortran-compiler-developer-guide-and-reference-g
# https://software.intel.com/en-us/fortran-compiler-developer-guide-and-reference-traceback
# https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html
class IntelGnuLikeCompiler(GnuLikeCompiler):
"""
Tested on linux for ICC 14.0.3, 15.0.6, 16.0.4, 17.0.1, 19.0
debugoptimized: -g -O2
release: -O3
minsize: -O2
"""
DEBUG_ARGS: T.Dict[bool, T.List[str]] = {
False: [],
True: ['-g', '-traceback']
}
OPTIM_ARGS: T.Dict[str, T.List[str]] = {
'plain': [],
'0': ['-O0'],
'g': ['-O0'],
'1': ['-O1'],
'2': ['-O2'],
'3': ['-O3'],
's': ['-Os'],
}
id = 'intel'
def __init__(self) -> None:
super().__init__()
# As of 19.0.0 ICC doesn't have sanitizer, color, or lto support.
#
# It does have IPO, which serves much the same purpose as LOT, but
# there is an unfortunate rule for using IPO (you can't control the
# name of the output file) which break assumptions meson makes
self.base_options = {OptionKey(o) for o in [
'b_pch', 'b_lundef', 'b_asneeded', 'b_pgo', 'b_coverage',
'b_ndebug', 'b_staticpic', 'b_pie']}
self.lang_header = 'none'
def get_pch_suffix(self) -> str:
return 'pchi'
def get_pch_use_args(self, pch_dir: str, header: str) -> T.List[str]:
return ['-pch', '-pch_dir', os.path.join(pch_dir), '-x',
self.lang_header, '-include', header, '-x', 'none']
def get_pch_name(self, name: str) -> str:
return os.path.basename(name) + '.' + self.get_pch_suffix()
def openmp_flags(self) -> T.List[str]:
if mesonlib.version_compare(self.version, '>=15.0.0'):
return ['-qopenmp']
else:
return ['-openmp']
def get_compiler_check_args(self, mode: CompileCheckMode) -> T.List[str]:
extra_args = [
'-diag-error', '10006', # ignoring unknown option
'-diag-error', '10148', # Option not supported
'-diag-error', '10155', # ignoring argument required
'-diag-error', '10156', # ignoring not argument allowed
'-diag-error', '10157', # Ignoring argument of the wrong type
'-diag-error', '10158', # Argument must be separate. Can be hit by trying an option like -foo-bar=foo when -foo=bar is a valid option but -foo-bar isn't
]
return super().get_compiler_check_args(mode) + extra_args
def get_profile_generate_args(self) -> T.List[str]:
return ['-prof-gen=threadsafe']
def get_profile_use_args(self) -> T.List[str]:
return ['-prof-use']
def get_debug_args(self, is_debug: bool) -> T.List[str]:
return self.DEBUG_ARGS[is_debug]
def get_optimization_args(self, optimization_level: str) -> T.List[str]:
return self.OPTIM_ARGS[optimization_level]
def get_has_func_attribute_extra_args(self, name: str) -> T.List[str]:
return ['-diag-error', '1292']
class IntelVisualStudioLikeCompiler(VisualStudioLikeCompiler):
"""Abstractions for ICL, the Intel compiler on Windows."""
DEBUG_ARGS: T.Dict[bool, T.List[str]] = {
False: [],
True: ['/Zi', '/traceback']
}
OPTIM_ARGS: T.Dict[str, T.List[str]] = {
'plain': [],
'0': ['/Od'],
'g': ['/Od'],
'1': ['/O1'],
'2': ['/O2'],
'3': ['/O3'],
's': ['/Os'],
}
id = 'intel-cl'
def get_compiler_check_args(self, mode: CompileCheckMode) -> T.List[str]:
args = super().get_compiler_check_args(mode)
if mode is not CompileCheckMode.LINK:
args.extend([
'/Qdiag-error:10006', # ignoring unknown option
'/Qdiag-error:10148', # Option not supported
'/Qdiag-error:10155', # ignoring argument required
'/Qdiag-error:10156', # ignoring not argument allowed
'/Qdiag-error:10157', # Ignoring argument of the wrong type
'/Qdiag-error:10158', # Argument must be separate. Can be hit by trying an option like -foo-bar=foo when -foo=bar is a valid option but -foo-bar isn't
])
return args
def get_toolset_version(self) -> T.Optional[str]:
# ICL provides a cl.exe that returns the version of MSVC it tries to
# emulate, so we'll get the version from that and pass it to the same
# function the real MSVC uses to calculate the toolset version.
_, _, err = mesonlib.Popen_safe(['cl.exe'])
v1, v2, *_ = mesonlib.search_version(err).split('.')
version = int(v1 + v2)
return self._calculate_toolset_version(version)
def openmp_flags(self) -> T.List[str]:
return ['/Qopenmp']
def get_debug_args(self, is_debug: bool) -> T.List[str]:
return self.DEBUG_ARGS[is_debug]
def get_optimization_args(self, optimization_level: str) -> T.List[str]:
return self.OPTIM_ARGS[optimization_level]
def get_pch_base_name(self, header: str) -> str:
return os.path.basename(header)
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