downloads: cpython 3.11.3 -> 3.11.4

Upstream backported a patch related to musl which breaks the build on
Linux <5.1. So we have to apply a revert to keep the build green. This
has been reported upstream at
python/cpython#106881.

Author: indygreg

cpython-unix/build-cpython.sh

@@ -241,6 +241,14 @@ if [[ -n "${PYTHON_MEETS_MINIMUM_VERSION_3_9}" && -n "${PYTHON_MEETS_MAXIMUM_VER
     patch -p1 -i ${ROOT}/patch-posixmodule-remove-system.patch
 fi
 
+# posixmodule.c unconditionally includes linux/limits.h on musl. This breaks
+# because we're building with old Linux headers not having this file. This is
+# effectively a revert of CPython commit 8be8101bca34b60481ec3d7ecaea4a3379fb7dbb.
+# Upstream bug report: https://github.com/python/cpython/issues/106881.
+if [ -n "${PYTHON_MEETS_MINIMUM_VERSION_3_11}" ]; then
+  patch -p1 -i ${ROOT}/patch-posixmodule-musl-limits.patch
+fi
+
 # Python 3.11 has configure support for configuring extension modules. We really,
 # really, really want to use this feature because it looks promising. But at the
 # time we added this code the functionality didn't support all extension modules

cpython-unix/patch-posixmodule-musl-limits.patch

@@ -0,0 +1,15 @@
+diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
+index 91da07908f..87919ebf43 100644
+--- a/Modules/posixmodule.c
++++ b/Modules/posixmodule.c
+@@ -280,9 +280,8 @@ corresponding Unix manual entries for more information on calls.");
+ #  undef HAVE_SCHED_SETAFFINITY
+ #endif
+ 
+-#if defined(HAVE_SYS_XATTR_H) && defined(__linux__) && !defined(__FreeBSD_kernel__) && !defined(__GNU__)
++#if defined(HAVE_SYS_XATTR_H) && defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__GNU__)
+ #  define USE_XATTRS
+-#  include <linux/limits.h>  // Needed for XATTR_SIZE_MAX on musl libc.
+ #endif
+ 
+ #ifdef USE_XATTRS

pythonbuild/downloads.py

@@ -62,10 +62,10 @@
         "python_tag": "cp310",
     },
     "cpython-3.11": {
-        "url": "https://www.python.org/ftp/python/3.11.3/Python-3.11.3.tar.xz",
-        "size": 19906156,
-        "sha256": "8a5db99c961a7ecf27c75956189c9602c968751f11dbeae2b900dbff1c085b5e",
-        "version": "3.11.3",
+        "url": "https://www.python.org/ftp/python/3.11.4/Python-3.11.4.tar.xz",
+        "size": 19954828,
+        "sha256": "2f0e409df2ab57aa9fc4cbddfb976af44e4e55bf6f619eee6bc5c2297264a7f6",
+        "version": "3.11.4",
         "licenses": ["Python-2.0", "CNRI-Python"],
         "license_file": "LICENSE.cpython.txt",
         "python_tag": "cp311",