[MacPorts] #63714: python39 @3.9.7: build failure on Monterey/M1

[MacPorts]

#63714: python39 @3.9.7: build failure on Monterey/M1
-----------------------+----------------------
  Reporter:  tglsfdc   |      Owner:  jmroot
      Type:  defect    |     Status:  accepted
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.7.1
Resolution:            |   Keywords:  monterey
      Port:  python39  |
-----------------------+----------------------

Comment (by FaradayLight):

 There seems to be a problem within the SDK:

 {{{
 :info:destroot In file included from ./FileSettings.h:9:
 :info:destroot In file included from
 /Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h:12:
 :info:destroot
 /Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSBundle.h:91:143:
 error: function does not return NSString
 :info:destroot - (NSAttributedString
 *)localizedAttributedStringForKey:(NSString *)key value:(nullable NSString
 *)value table:(nullable NSString *)tableName NS_FORMAT_ARGUMENT(1)
 NS_REFINED_FOR_SWIFT API_AVAILABLE(macos(12.0), ios(15.0), watchos(8.0),
 tvos(15.0));
 :info:destroot
 ~~~~~~~~~~~~~~
 ^                  ~
 :info:destroot
 /Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSObjCRuntime.h:103:48:
 note: expanded from macro 'NS_FORMAT_ARGUMENT'
 :info:destroot         #define NS_FORMAT_ARGUMENT(A) __attribute__
 ((format_arg(A)))
 :info:destroot                                                       ^
 ~
 :info:destroot ./FileSettings.m:128:17: warning: comparison of integers of
 different signs: 'int' and 'NSUInteger' (aka 'unsigned long') [-Wsign-
 compare]
 :info:destroot     for (i=0; i < [interpreters count]; i++) {
 :info:destroot               ~ ^ ~~~~~~~~~~~~~~~~~~~~

 }}}

 Are you using a beta version of the SDK? My Xcode SDKs for 12 are under:
 /Applications/Xcode.app/Contents/Developer

 You could try using Xcode-select to check the default Developer path.

-- 
Ticket URL: <https://trac.macports.org/ticket/63714#comment:3>
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