[MacPorts] #61866: base uses incorrect SDK for Big Sur 11.1 and Xcode 12.3

[MacPorts]

#61866: base uses incorrect SDK for Big Sur 11.1 and Xcode 12.3
---------------------+--------------------
  Reporter:  mf2k    |      Owner:  (none)
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.6.99
Resolution:          |   Keywords:
      Port:          |
---------------------+--------------------
Description changed by mf2k:

Old description:

> base needs to be update to correctly use the 11.1 SDK on Big Sure 11.1
> and Xcode 12.3.
>
> On many ports I see configure logs with this:
>
> {{{
> :debug:configure LDFLAGS='-L/opt/local/lib
> -Wl,-headerpad_max_install_names
> -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.0.sdk
> -arch x86_64'
> }}}
>
> But that is not correct. It should be 11.1.
>
> {{{
> $ ls -l /Library/Developer/CommandLineTools/SDKs
> total 0
> lrwxr-xr-x  1 root  wheel   14 Dec 18 08:22 MacOSX.sdk -> MacOSX11.1.sdk
> drwxr-xr-x  7 root  wheel  224 Nov 12  2019 MacOSX10.14.sdk
> drwxr-xr-x  8 root  wheel  256 Jul  9 10:33 MacOSX10.15.sdk
> drwxr-xr-x  4 root  wheel  128 Dec 14 13:41 MacOSX11.0.sdk
> drwxr-xr-x  7 root  wheel  224 Nov 30 05:33 MacOSX11.1.sdk
> }}}
>
> I hacked my local copy of portconfigure.tcl so that SDKROOT is 11.1 and
> many ports build again. But I'm unsure of the proper fix to include the
> minor version if macOS for the SDK.

New description:

 base needs to be updated to correctly use the 11.1 SDK on Big Sure 11.1
 and Xcode 12.3.

 On many ports I see configure logs with this:

 {{{
 :debug:configure LDFLAGS='-L/opt/local/lib
 -Wl,-headerpad_max_install_names
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.0.sdk
 -arch x86_64'
 }}}

 But that is not correct. It should be 11.1.

 {{{
 $ ls -l /Library/Developer/CommandLineTools/SDKs
 total 0
 lrwxr-xr-x  1 root  wheel   14 Dec 18 08:22 MacOSX.sdk -> MacOSX11.1.sdk
 drwxr-xr-x  7 root  wheel  224 Nov 12  2019 MacOSX10.14.sdk
 drwxr-xr-x  8 root  wheel  256 Jul  9 10:33 MacOSX10.15.sdk
 drwxr-xr-x  4 root  wheel  128 Dec 14 13:41 MacOSX11.0.sdk
 drwxr-xr-x  7 root  wheel  224 Nov 30 05:33 MacOSX11.1.sdk
 }}}

 I hacked my local copy of portconfigure.tcl so that SDKROOT is 11.1 and
 many ports build again. But I'm unsure of the proper fix to include the
 minor version if macOS for the SDK.

--

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Ticket URL: <https://trac.macports.org/ticket/61866#comment:1>
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