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import platform
import sys
try:
# Import setuptools so that it monkey-patch overrides distutils
import setuptools # noqa: F401
except ImportError:
pass
if sys.version_info >= (3, 12):
# From setuptools' monkeypatch
from distutils import ccompiler # type: ignore[import-not-found]
else:
from distutils import ccompiler
EXTRA_FLAGS_PER_COMPILER_TYPE_PER_PATH_COMPONENT = {
"unix": {
"base64/arch/ssse3": ["-mssse3"],
"base64/arch/sse41": ["-msse4.1"],
"base64/arch/sse42": ["-msse4.2"],
"base64/arch/avx2": ["-mavx2"],
"base64/arch/avx": ["-mavx"],
},
"msvc": {
"base64/arch/sse42": ["/arch:SSE4.2"],
"base64/arch/avx2": ["/arch:AVX2"],
"base64/arch/avx": ["/arch:AVX"],
},
}
ccompiler.CCompiler.__spawn = ccompiler.CCompiler.spawn # type: ignore[attr-defined]
X86_64 = platform.machine() in ("x86_64", "AMD64", "amd64")
def spawn(self, cmd, **kwargs) -> None: # type: ignore[no-untyped-def]
compiler_type: str = self.compiler_type
extra_options = EXTRA_FLAGS_PER_COMPILER_TYPE_PER_PATH_COMPONENT[compiler_type]
new_cmd = list(cmd)
if X86_64 and extra_options is not None:
# filenames are closer to the end of command line
for argument in reversed(new_cmd):
# Check if the matching argument contains a source filename.
if not str(argument).endswith(".c"):
continue
for path in extra_options.keys():
if path in str(argument):
if compiler_type == "bcpp":
compiler = new_cmd.pop()
# Borland accepts a source file name at the end,
# insert the options before it
new_cmd.extend(extra_options[path])
new_cmd.append(compiler)
else:
new_cmd.extend(extra_options[path])
# path component is found, no need to search any further
break
self.__spawn(new_cmd, **kwargs)
ccompiler.CCompiler.spawn = spawn # type: ignore[method-assign]
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