Description: |
Building tk 8.6.8 with the --enable-aqua configure flag fails on OS X
10.8 and 10.9 (not older or newer versions of macOS) with this error:
macosx/tkMacOSXXStubs.c:183:2: error: use of undeclared identifier 'NSOperatingSystemVersion'
NSOperatingSystemVersion systemVersion = [[NSProcessInfo processInfo] operatingSystemVersion];
^
Although Gestalt was deprecated in OS X 10.8, it should report the
correct OS version number in 10.9 and earlier, and its replacement
NSOperatingSystemVersion was not introduced until OS X 10.10.
The fix is to change the condition under which Gestalt is used from
"#if MAC_OS_X_VERSION_MIN_REQUIRED < 1080"
to
"#if MAC_OS_X_VERSION_MIN_REQUIRED < 101000":
https://github.com/macports/macports-ports/blob/0a883ad388b2cbecf14f5ed674bfc9b6d2ce6f23/x11/tk/files/patch-macosx-tkMacOSXXStubs.c.diff
See also the MacPorts project's ticket about this issue:
https://trac.macports.org/ticket/55649
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