python · srittau · Feb 9, 2026 · Feb 8, 2026 · Feb 8, 2026 · Feb 9, 2026
diff --git a/stubs/setuptools/@tests/stubtest_allowlist.txt b/stubs/setuptools/@tests/stubtest_allowlist.txt
@@ -70,16 +70,16 @@ setuptools._distutils.command.install_headers
 setuptools._distutils.compat.numpy
 setuptools._distutils.compat.py39
 setuptools._distutils.core
-setuptools._distutils.cygwinccompiler
 setuptools._distutils.debug
 setuptools._distutils.dir_util
 setuptools._distutils.fancy_getopt
 setuptools._distutils.file_util
 setuptools._distutils.log
 setuptools._distutils.text_file
-setuptools._distutils.version
+setuptools._distutils.version.Version._cmp # abstract method
+setuptools._distutils.version.Version.parse # abstract method
+setuptools._distutils.version.suppress_known_deprecation
 setuptools._distutils.versionpredicate
-setuptools._distutils.zosccompiler
 
 # Reexported from setuptools._distutils; problems should be fixed there
 distutils\..+

diff --git a/stubs/setuptools/distutils/compilers/C/cygwin.pyi b/stubs/setuptools/distutils/compilers/C/cygwin.pyi
@@ -0,0 +1 @@
+from setuptools._distutils.compilers.C.cygwin import *
diff --git a/stubs/setuptools/distutils/compilers/C/zos.pyi b/stubs/setuptools/distutils/compilers/C/zos.pyi
@@ -0,0 +1 @@
+from setuptools._distutils.compilers.C.zos import *
diff --git a/stubs/setuptools/distutils/cygwinccompiler.pyi b/stubs/setuptools/distutils/cygwinccompiler.pyi
@@ -0,0 +1 @@
+from setuptools._distutils.cygwinccompiler import *
diff --git a/stubs/setuptools/distutils/version.pyi b/stubs/setuptools/distutils/version.pyi
@@ -0,0 +1 @@
+from setuptools._distutils.version import *
diff --git a/stubs/setuptools/distutils/zosccompiler.pyi b/stubs/setuptools/distutils/zosccompiler.pyi
@@ -0,0 +1 @@
+from setuptools._distutils.zosccompiler import *
diff --git a/stubs/setuptools/setuptools/_distutils/compilers/C/base.pyi b/stubs/setuptools/setuptools/_distutils/compilers/C/base.pyi
@@ -2,7 +2,7 @@ from _typeshed import BytesPath, Incomplete, StrOrBytesPath, StrPath, Unused
 from collections.abc import Callable, Iterable, MutableSequence, Sequence
 from subprocess import _ENV
 from typing import ClassVar, Final, Literal, TypeVar, overload
-from typing_extensions import TypeAlias, TypeVarTuple, Unpack
+from typing_extensions import TypeAlias, TypeVarTuple, Unpack, deprecated
 
 _Macro: TypeAlias = tuple[str] | tuple[str, str | None]
 _StrPathT = TypeVar("_StrPathT", bound=StrPath)
@@ -53,6 +53,12 @@ class Compiler:
     def set_link_objects(self, objects: list[str]) -> None: ...
     def detect_language(self, sources: str | list[str]) -> str | None: ...
     def find_library_file(self, dirs: Iterable[str], lib: str, debug: bool = False) -> str | None: ...
+    @overload
+    def has_function(
+        self, funcname: str, libraries: list[str] | None = None, library_dirs: list[str] | tuple[str, ...] | None = None
+    ) -> bool: ...
+    @overload
+    @deprecated("The `includes`, `include_dirs` parameters are deprecated.")
     def has_function(
         self,
         funcname: str,

diff --git a/stubs/setuptools/setuptools/_distutils/compilers/C/cygwin.pyi b/stubs/setuptools/setuptools/_distutils/compilers/C/cygwin.pyi
@@ -0,0 +1,68 @@
+from _typeshed import StrPath
+from collections.abc import Callable, Iterable
+from shlex import _ShlexInstream
+from typing import ClassVar, Final, Literal, NoReturn
+from typing_extensions import Never, deprecated
+
+from ...version import LooseVersion
+from . import unix
+
+def get_msvcr() -> list[str]: ...
+
+class Compiler(unix.Compiler):
+    compiler_type: ClassVar[str]
+    obj_extension: ClassVar[str]
+    static_lib_extension: ClassVar[str]
+    shared_lib_extension: ClassVar[str]
+    dylib_lib_extension: ClassVar[str]
+    static_lib_format: ClassVar[str]
+    shared_lib_format: ClassVar[str]
+    dylib_lib_format: ClassVar[str]
+    exe_extension: ClassVar[str]
+    cc: str
+    cxx: str
+    linker_dll: str
+    linker_dll_cxx: str
+    dll_libraries: list[str]
+    def __init__(self, verbose: bool = False, force: bool = False) -> None: ...
+    @property
+    @deprecated(
+        "gcc_version attribute of CygwinCCompiler is deprecated. "
+        "Instead of returning actual gcc version a fixed value 11.2.0 is returned."
+    )
+    def gcc_version(self) -> LooseVersion: ...
+    # `objects` and `libraries` uses list methods
+    def link(
+        self,
+        target_desc: str,
+        objects: list[str],  # type: ignore[override]
+        output_filename: str,
+        output_dir: str | None = None,
+        libraries: list[str] | None = None,  # type: ignore[override]
+        library_dirs: list[str] | tuple[str, ...] | None = None,
+        runtime_library_dirs: list[str] | tuple[str, ...] | None = None,
+        export_symbols: Iterable[str] | None = None,
+        debug: bool = False,
+        extra_preargs: list[str] | None = None,
+        extra_postargs: list[str] | None = None,
+        build_temp: StrPath | None = None,
+        target_lang: str | None = None,
+    ) -> None: ...
+    # cygwin doesn't support rpath; prints a warning and returns an empty list
+    def runtime_library_dir_option(self, dir: str) -> list[Never]: ...  # type: ignore[override]
+    @property
+    def out_extensions(self) -> dict[str, str]: ...
+
+class MinGW32Compiler(Compiler):
+    compiler_type: ClassVar[str]
+    def __init__(self, verbose: bool = False, force: bool = False) -> None: ...
+    def runtime_library_dir_option(self, dir: str) -> NoReturn: ...
+
+CONFIG_H_OK: Final = "ok"
+CONFIG_H_NOTOK: Final = "not ok"
+CONFIG_H_UNCERTAIN: Final = "uncertain"
+
+def check_config_h() -> tuple[Literal["ok", "not ok", "uncertain"], str]: ...
+def is_cygwincc(cc: str | _ShlexInstream) -> bool: ...
+
+get_versions: Callable[[], tuple[LooseVersion | None, ...]] | None
diff --git a/stubs/setuptools/setuptools/_distutils/compilers/C/msvc.pyi b/stubs/setuptools/setuptools/_distutils/compilers/C/msvc.pyi
@@ -16,6 +16,7 @@ class Compiler(base.Compiler):
     static_lib_format = shared_lib_format
     exe_extension: ClassVar[str]
     initialized: bool
+    plat_name: str | None
     def initialize(self, plat_name: str | None = None) -> None: ...
     @property
     def out_extensions(self) -> dict[str, str]: ...

diff --git a/stubs/setuptools/setuptools/_distutils/compilers/C/zos.pyi b/stubs/setuptools/setuptools/_distutils/compilers/C/zos.pyi
@@ -0,0 +1,27 @@
+from _typeshed import StrPath
+from collections.abc import Iterable
+from typing import ClassVar, Literal
+
+from . import unix
+
+class Compiler(unix.Compiler):
+    src_extensions: ClassVar[list[str]]
+    zos_compiler: Literal["ibm-openxl", "ibm-xlclang", "ibm-xlc"]
+    def __init__(self, verbose: bool = False, force: bool = False) -> None: ...
+    def runtime_library_dir_option(self, dir: str) -> str: ...
+    def link(
+        self,
+        target_desc: str,
+        objects: list[str] | tuple[str, ...],
+        output_filename: str,
+        output_dir: str | None = None,
+        libraries: list[str] | tuple[str, ...] | None = None,
+        library_dirs: list[str] | tuple[str, ...] | None = None,
+        runtime_library_dirs: list[str] | tuple[str, ...] | None = None,
+        export_symbols: Iterable[str] | None = None,
+        debug: bool = False,
+        extra_preargs: list[str] | None = None,
+        extra_postargs: list[str] | None = None,
+        build_temp: StrPath | None = None,
+        target_lang: str | None = None,
+    ) -> None: ...
diff --git a/stubs/setuptools/setuptools/_distutils/cygwinccompiler.pyi b/stubs/setuptools/setuptools/_distutils/cygwinccompiler.pyi
@@ -0,0 +1,28 @@
+from collections.abc import Callable
+
+from .compilers.C import cygwin
+from .compilers.C.cygwin import (
+    CONFIG_H_NOTOK as CONFIG_H_NOTOK,
+    CONFIG_H_OK as CONFIG_H_OK,
+    CONFIG_H_UNCERTAIN as CONFIG_H_UNCERTAIN,
+    check_config_h as check_config_h,
+    get_msvcr as get_msvcr,
+    is_cygwincc as is_cygwincc,
+)
+from .version import LooseVersion
+
+__all__ = [
+    "CONFIG_H_NOTOK",
+    "CONFIG_H_OK",
+    "CONFIG_H_UNCERTAIN",
+    "CygwinCCompiler",
+    "Mingw32CCompiler",
+    "check_config_h",
+    "get_msvcr",
+    "is_cygwincc",
+]
+
+CygwinCCompiler = cygwin.Compiler
+Mingw32CCompiler = cygwin.MinGW32Compiler
+
+get_versions: Callable[[], tuple[LooseVersion | None, ...]] | None
diff --git a/stubs/setuptools/setuptools/_distutils/version.pyi b/stubs/setuptools/setuptools/_distutils/version.pyi
@@ -0,0 +1,35 @@
+from abc import abstractmethod
+from re import Pattern
+from typing_extensions import Self, deprecated
+
+@deprecated("The `Version` class is deprecated. Use `packaging.version` instead.")
+class Version:
+    def __eq__(self, other: object) -> bool: ...
+    def __lt__(self, other: Self | str) -> bool: ...
+    def __le__(self, other: Self | str) -> bool: ...
+    def __gt__(self, other: Self | str) -> bool: ...
+    def __ge__(self, other: Self | str) -> bool: ...
+    @abstractmethod
+    def __init__(self, vstring: str | None = None) -> None: ...
+    @abstractmethod
+    def parse(self, vstring: str) -> Self: ...
+    @abstractmethod
+    def _cmp(self, other: Self | str) -> bool: ...
+
+@deprecated("The `StrictVersion` class is deprecated. Use `packaging.version` instead.")
+class StrictVersion(Version):
+    version_re: Pattern[str]
+    version: tuple[int, int, int]
+    prerelease: tuple[str, int] | None
+    def __init__(self, vstring: str | None = None) -> None: ...
+    def parse(self, vstring: str) -> Self: ...
+    def _cmp(self, other: Self | str) -> bool: ...
+
+@deprecated("The `LooseVersion` class is deprecated. Use `packaging.version` instead.")
+class LooseVersion(Version):
+    component_re: Pattern[str]
+    vstring: str
+    version: tuple[str | int, ...]
+    def __init__(self, vstring: str | None = None) -> None: ...
+    def parse(self, vstring: str) -> Self: ...
+    def _cmp(self, other: Self | str) -> bool: ...
diff --git a/stubs/setuptools/setuptools/_distutils/zosccompiler.pyi b/stubs/setuptools/setuptools/_distutils/zosccompiler.pyi
@@ -0,0 +1,3 @@
+from .compilers.C import zos
+
+zOSCCompiler = zos.Compiler
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		from setuptools._distutils.compilers.C.cygwin import *
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		from setuptools._distutils.compilers.C.zos import *
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		from setuptools._distutils.cygwinccompiler import *
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		from setuptools._distutils.zosccompiler import *
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		from .compilers.C import zos

		zOSCCompiler = zos.Compiler