jack: fix build with Python 3.11

srcpkgs/jack/patches/python3.11.patch

@@ -0,0 +1,36 @@
+U is included by default and deprecated since 3.3 and an error since 3.11
+
+https://github.com/jackaudio/jack2/issues/898
+adapted from https://gitweb.gentoo.org/repo/gentoo.git/tree/media-sound/jack2/files/jack2-1.9.21-python3.11.patch
+
+--- a/waflib/ConfigSet.py
++++ b/waflib/ConfigSet.py
+@@ -312,7 +312,7 @@ class ConfigSet(object):
+ 		:type filename: string
+ 		"""
+ 		tbl = self.table
+-		code = Utils.readf(filename, m='rU')
++		code = Utils.readf(filename, m='r')
+ 		for m in re_imp.finditer(code):
+ 			g = m.group
+ 			tbl[g(2)] = eval(g(3))
+--- a/waflib/Context.py
++++ b/waflib/Context.py
+@@ -266,7 +266,7 @@ class Context(ctx):
+ 				cache[node] = True
+ 				self.pre_recurse(node)
+ 				try:
+-					function_code = node.read('rU', encoding)
++					function_code = node.read('r', encoding)
+ 					exec(compile(function_code, node.abspath(), 'exec'), self.exec_dict)
+ 				finally:
+ 					self.post_recurse(node)
+@@ -662,7 +662,7 @@ def load_module(path, encoding=None):
+ 
+ 	module = imp.new_module(WSCRIPT_FILE)
+ 	try:
+-		code = Utils.readf(path, m='rU', encoding=encoding)
++		code = Utils.readf(path, m='r', encoding=encoding)
+ 	except EnvironmentError:
+ 		raise Errors.WafError('Could not read the file %r' % path)
+