* Fix potential infinite recursion.
* Fix a bug when reference can cross boundaries of substitutions, e.g.
a=$(
b=$(a)a)
* Fix potential quadratic complexity.
* Fix KeyError for undefined CFLAGS, LDFLAGS, or CPPFLAGS.
* Fix infinite recursion when keep_unresolved=False.
* Unify behavior with keep_unresolved=False for bogus $ occurred before
and after variable references.
Extension builders must specify Py_GIL_DISABLED if they want to link to the free-threaded builds.
This was usually the case already, but this change guarantees it in all circumstances.
Followup to 942673ed19 (GH-133588)
* Update configure for Python 3.15
* Update magic number for 3.15
* Remove deprecated 'check_home' argument from sysconfig.is_python_build
* Add warningignore entries for Modules/_sqlite/clinic/connection.c.h
* Work around c-analyzer complaints about _testclinic deprecation tests
---------
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
On POSIX systems, excluding macOS framework installs, the lib directory
for the free-threaded build now includes a "t" suffix to avoid conflicts
with a co-located default build installation.
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Malcolm Smith <smith@chaquo.com>
Co-authored-by: Ned Deily <nad@python.org>
