10.15 Xcode version: Buildbot, vs. GitHub CI

[Jason Liu]

The code isn't actually mine... I simply took the code from other
Portfiles, e.g. the wxWidgets 1.0 PortGroup
<https://github.com/macports/macports-ports/blob/master/_resources/port1.0/group/wxWidgets-1.0.tcl#L206-L208>,
phantomjs-qt
<https://github.com/macports/macports-ports/blob/master/aqua/phantomjs-qt/Portfile#L375-L384>,
qt5
<https://github.com/macports/macports-ports/blob/master/aqua/qt5/Portfile#L1123-L1132>,
qt6
<https://github.com/macports/macports-ports/blob/master/aqua/qt6/Portfile#L664-L669>,
etc. Although admittedly, the code in those Portfiles are slightly more
generalized than mine, since I'm only interested in the specific case of
the macOS 10.12 SDK on macOS 10.11.

-- 
Jason Liu


On Wed, Dec 1, 2021 at 12:50 PM Chris Jones <jonesc at hep.phy.cam.ac.uk>
wrote:

>
> you are making a number of assumptions in the code below on where things
> are installed, that I don't think are universally valid. I think it
> would be better to use the macPort utilities to query the SDK version
> and/or Xcode version instead.
>
> Chris
>
> On 01/12/2021 5:14 pm, Jason Liu wrote:
> > A very similar situation occurs on macOS 10.11: It's fairly common to
> > install Xcode 8.2.1 on macOS 10.11, and Xcode 8.2.1 comes with the macOS
> > 10.12 SDK. So, in my upcoming fixes that allows godot to compile on
> > older macOSes, I have the following check:
> >
> > if {${os.platform} eq "darwin" && ${os.major} <= 15} {
> >      <code for some other stuff>
> >      set sdks_dir
> ${developer_dir}/Platforms/MacOSX.platform/Developer/SDKs
> >      set add_appkit_wrapper yes
> >      if {![catch {file lstat $sdks_dir/MacOSX10.12.sdk finfo}]} {
> >          set add_appkit_wrapper no
> >      }
> > }
> >
> > Thus, if the Portfile detects the situation of the macOS 10.12 SDK being
> > installed on macOS 10.11, then it won't add my AppKit compatibility
> > wrapper file.
> >
> > I suspect a similar technique might need to be put in place to account
> > for Xcode 11 vs 12 being installed on macOS 10.15.
> >
> > --
> > Jason  Liu
> >
> >
> > On Wed, Dec 1, 2021 at 10:32 AM Chris Jones <jonesc at hep.phy.cam.ac.uk
> > <mailto:jonesc at hep.phy.cam.ac.uk>> wrote:
> >
> >     Hi,
> >
> >     On 01/12/2021 3:18 pm, Christopher Nielsen wrote:
> >      > Just encountered an interesting situation, where a Swift-based
> >     port builds successfully via 10.15 CI, but fails on our buildbot.
> >      >
> >      > This appears to be related to Xcode versions: Presently our 10.15
> >     buildbot has Xcode 11.7, whereas 10.15 CI has Xcode 12.4.
> >      >
> >      > This brings up two questions:
> >      > * Would it be feasible to update our 10.15 buildbot to a newer
> >     Xcode release? Or are there certain ports/situations that
> >     necessitate remaining with 11.7?
> >      > * Do we have control over the Xcode version used for GitHub CI,
> >     or is 12.4 the only option?
> >      >
> >      > Ideally both should utilize the same Xcode 12 release,
> >     specifically one that still ships with the 10.15 SDK. So the choices
> >     would be 12.0, 12.0.1, and 12.1.
> >      >
> >      > Thoughts?
> >      >
> >
> >     MacPorts cannot mandate what Xcode a user has installed. Both Xcode
> 11
> >     and 12 are valid options to have on macOS10.15 (and, I might be wrong
> >     here, but from memory Ryan specifically keeps the builder on Xcode
> >     11 to
> >     avoid issues with Xcode 12 also shipping the macOS11 SDK).
> >
> >     So basically the port needs to handle both, in whatever way is
> >     appropriate. I guess this is the new mint port
> >
> >
> >
> https://github.com/macports/macports-ports/commit/cfc6d01aa685a5a9cc30264bc2a7e9d1badf587e
> >     <
> https://github.com/macports/macports-ports/commit/cfc6d01aa685a5a9cc30264bc2a7e9d1badf587e
> >
> >
> >     I see there is a check in there on the Darwin version. It sounds this
> >     this should be changed to a test specifically on the Xcode(CLT)
> >     versions
> >     installed, if the requirement is really Xcode 12 and above, and not
> >     really the Darwin version.
> >
> >     Chris
> >
>
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