[MacPorts] #54166: [submission] gccas

[MacPorts]

#54166: [submission] gccas
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 Reporter:  RJVB        |      Owner:
     Type:  submission  |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  gccas
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 Early llvm versions contained a utility called gccas which sat between the
 llvm-gcc front-end and the llvm assembler.

 This proposal recreates a similar script that can be used as an
 alternative to the `as` command from port:cctools, invoking the clang
 assembler instead. It's main purpose is to be used as the default
 assembler in the GCC ports but it should be possible to use it anywhere a
 more recent GNU as is required than the one shipped with port:cctools.

 I've tested the script after rebuilding port:gcc6 : it allows to build a
 port like R with `-march=native` even on my i7 where this would normally
 lead to errors due to the use of AVX instructions that cctools:as cannot
 handle.

 Note that I'm open to other names for the script and port.

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Ticket URL: <https://trac.macports.org/ticket/54166>
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