[GHC] #8794: Unresolved @ArSupportsAtFile@ on Solaris distribution.

[GHC]

#8794: Unresolved @ArSupportsAtFile@ on Solaris distribution.
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       Reporter:  kgardas       |             Owner:
           Type:  bug           |            Status:  new
       Priority:  normal        |         Milestone:
      Component:  Build System  |           Version:  7.6.3
       Keywords:                |  Operating System:  Solaris
   Architecture:  x86_64        |   Type of failure:  Installing GHC failed
  (amd64)                       |         Test Case:
     Difficulty:  Unknown       |          Blocking:
     Blocked By:                |
Related Tickets:                |
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 While configuring ghc binary distribution on Solaris I've noted that
 settings file is not correctly generated:
 {{{
 $ cat settings
 [("GCC extra via C opts", " -fwrapv"),
  ("C compiler command", "/usr/sfw/bin/gcc"),
  ("C compiler flags", " "),
  ("ar command", "/usr/xpg4/bin/ar"),
  ("ar flags", "clqs"),
  ("ar supports at file", "@ArSupportsAtFile@"),
  ("touch command", "touch"),
  ("dllwrap command", "/bin/false"),
  ("windres command", "/bin/false"),
  ("perl command", "/usr/bin/perl"),
  ("target os", "OSSolaris2"),
  ("target arch", "ArchX86"),
  ("target word size", "4"),
  ("target has GNU nonexec stack", "True"),
  ("target has .ident directive", "True"),
  ("target has subsections via symbols", "False"),
  ("LLVM llc command", "llc"),
  ("LLVM opt command", "opt")
  ]

 }}}

 Looks like @ArSupportsAtFile@ is not filled with the right value.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8794>
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