[MacPorts] #29172: remove dependency on Xcode

[MacPorts]

#29172: remove dependency on Xcode
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 Reporter:  joshmoz@…          |       Owner:  macports-tickets@…                   
     Type:  enhancement        |      Status:  new                                  
 Priority:  Normal             |   Milestone:                                       
Component:  base               |     Version:  1.9.2                                
 Keywords:                     |        Port:                                       
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Changes (by mfeiri@…):

 * cc: mfeiri@… (added)


Comment:

 Well, it is doable though and it would be nice-to-have in any case.
 Assuming we use the clang toolchain we'd just need binaries of clang,
 ld64, and a make tool. Additionally we'd have to provide headers from xnu
 and Libc. That should be all thats necessary to bootstrap macports.
 Everything else can be built from there.

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Ticket URL: <https://trac.macports.org/ticket/29172#comment:2>
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