[MacPorts] #55705: adding new clang compilers:: why so painful?

[MacPorts]

#55705: adding new clang compilers:: why so painful?
-----------------------------------+----------------------
 Reporter:  gaming-hacker          |      Owner:
     Type:  enhancement            |     Status:  new
 Priority:  Normal                 |  Milestone:
Component:  base                   |    Version:  2.4.2
 Keywords:  compiler, environment  |       Port:  macports
-----------------------------------+----------------------
 hello,

 i always use the latest clang compiler and switched to clang-6.0 so i need
 to rebuilt a lot of ports because i don't keep old compilers around.  many
 ports do not handle new compilers, here is an example, there are other
 ports like this.

 port: ld64-latest

 ...

 set all_llvm_variants {llvm39 llvm40 llvm50 llvmdev}

 array set llvm_variant_version {llvm33 3.3 llvm34 3.4 llvm37 3.7 llvm39
 3.9 llvm40 4.0 llvm50 5.0 llvmdev devel}

 ...

 so i manually updated these to

 set all_llvm_variants {llvm39 llvm40 llvm50 llvm60 llvmdev}

 array set llvm_variant_version {llvm33 3.3 llvm34 3.4 llvm37 3.7 llvm39
 3.9 llvm40 4.0 llvm50 5.0 llvm60 6.0 llvmdev devel}


 Are ports better ways to 'fix' these ports without having to manually
 update them?

 Thanks

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Ticket URL: <https://trac.macports.org/ticket/55705>
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