…ython#159378)

Use 3 warmups instead of 1 before checking for reference leaks. Also,
always call gc.collect() before reading sys.gettotalrefcount().

…ues (pythonGH-159216)

Co-authored-by: LorenaMBorges <lborgescomp@gmail.com>

Starting off with WASI version, WASI SDK version, and whether cooperative multithreading is available. All values are required as WASI SDK is the officially  supported compiler according to PEP 11.

… race test (python#159311)

Adds a cleanup to ensure interpreter state is restored after testing recursion
limit changes.

…hon#155222)

Modifies the configure test for dup3 and pipe2 to allow for iOS. These symbols
exist, but are unlinkable on iOS 26.

Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
Co-authored-by: Ned Deily <nad@python.org>

…OS (python#159386)

Modify the iOS build tools to support the building free threaded, debug,
and potentiall other abiflag variants of Python for iOS.

…H-159397)

The commit 4b0e334 added support for
freadlink() on macOS. The function is also available on FreeBSD 16.
Define HAVE_FREADLINK_RUNTIME on FreeBSD.

pythongh-156569)

Extend the use of pthread_getattr_np in stack size detection from any glibc linux to any glibc *or* android linux. Update tests for android's new recursion limit.

Co-authored-by: Malcolm Smith <smith@chaquo.com>

support.script_helper no longer strips refcount from -X showrefcount
stderr.

…http.client (pythonGH-159156)

pythongh-150752 started validating the Content-Length value against the
RFC 9112 grammar (1*DIGIT), but the compat32 header parser keeps
trailing SP/HTAB in the field value, so "Content-Length: 5 " is now
treated as a missing header. HTTPResponse then assumes that the
connection will close and read() blocks until the server closes it,
which never happens on a keep-alive connection.

RFC 9112, section 5.1 says that optional whitespace around a field
value is excluded by parsers. Strip SP/HTAB before the grammar check;
values such as "+5", "5_0" and "5 0" are still rejected.

Some optional arguments had no default value leading to undefined
behavior if they were omitted.

…docs (python#159014)

…en walking lazy import chains (python#159289)

Add missing recursion checks when walking lazy import chains

`lazy import a.b.c as d` nests one placeholder per name component.
lazy_import_path() and lazy_import_replay_from() recursed over that
chain without a recursion check, so a very long dotted name could
overflow the C stack. Raise RecursionError instead, as the rest of
lazy import resolution does.

pythongh-159433)

Skip immortal objects both when queueing and when processing the
queue, and remove the now redundant caller-side checks.

…pythonGH-159019)

Co-authored-by: Ethan Furman <ethan@stoneleaf.us>

…rsion tag (python#159442)

`--git-dir` alone does not imply a work tree, so in an out-of-tree build
git checked the build directory, and every tracked file looked deleted:
`sys.version` always carried a spurious "-dirty" suffix.