Re: macosx-setup.sh fails now

[Guy Harris <guy () alum mit edu>]

On Jan 24, 2015, at 5:10 AM, Luc Dandoy <luc.dandoy () gmail com> wrote:

> For SDK path detection wouldn't it be possible to use the xcode-select
> command?
>
> Something like this in the configure.ac file should do the trick,

It won't do the trick of making macosx-setup.sh work, as that must be run before you can, on newer versions of OS X, 
even *generate* the configure script from configure.ac, much less *run* the configure script.  Anders was having a 
problem with macosx-setup.sh building Qt.

So something needs to be done in macosx-setup.sh.

> even if you are using a " beta " version of Xcode.
>
> SDKPATH=`xcode-select - -p`/Platforms/MacOSX.platform/Developer/SDKs/"MacOSX$deploy_target.sdk"

The "-p" flag is a later addition - Xcode 3 didn't have it:

        snowleopard.local$ xcodebuild -version
        Xcode 3.2.6
        Component versions: DevToolsCore-1809.0; DevToolsSupport-1806.0
        BuildVersion: 10M2518
        snowleopard.local$ xcode-select -p
        Usage: xcode-select -print-path
           or: xcode-select -switch <xcode_folder_path>
           or: xcode-select -version
        Arguments:
           -print-path                     Prints the path of the current Xcode folder
           -switch <xcode_folder_path>     Sets the path for the current Xcode folder
           -version                        Prints xcode-select version information

so what should be used is --print-path, not -p - --print-path, with two leading "-"s, works in Xcode 3.2.6 (and 
-print-path, with only one leading -, works in Xcode 6.1.1, but I'm less tempted to assume that will continue to work 
in the future).

However, on Xcode 3.2.6 again:

        snowleopard.local$ ls `xcode-select --print-path`/Platforms/MacOSX.platform/Developer/SDKs
        ls: /Developer/Platforms/MacOSX.platform/Developer/SDKs: No such file or directory

so that's not enough:

        snowleopard.local$ ls /Developer/SDKs
        MacOSX10.5.sdk  MacOSX10.6.sdk

On Xcode 6.1.1 on Yosemite, we have:

        yosemite.local$ xcrun --show-sdk-platform-path
        /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform

but on 3.2.6 on Snow Leopard:

        snowleopard.local$ xcrun --show-sdk-platform-path
        xcrun: error: unrecognized option: --show-sdk-platform-path

        usage: 
        xcrun [-verbose] [-no-cache] [-kill-cache] [-sdk <sdkroot>] [-log] [-run] <utility> [utility argument(s) ...]
        xcrun [-verbose] [-no-cache] [-kill-cache] [-sdk <sdkroot>] -find <utility> <tool> [tool arguments ...]

And, if we also want to support installing just the command-line tools, you also have to look in 
/Library/Developer/CommandLineTools/SDKs; however, I think Qt refuses to install if you don't have Xcode installed - 
the command-line tools aren't sufficient.
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