[GHC] #8148: ./configure IGNORES --with-gcc=gcc-4.8, can't build head on os x 10.8 with xcode 5 installed

[GHC]

#8148: ./configure  IGNORES --with-gcc=gcc-4.8, can't build head on os x 10.8 with
xcode 5 installed
---------------------------------+----------------------------------
        Reporter:  carter        |            Owner:
            Type:  bug           |           Status:  new
        Priority:  highest       |        Milestone:  7.8.1
       Component:  Compiler      |          Version:  7.7
      Resolution:                |         Keywords:
Operating System:  MacOS X       |     Architecture:  x86_64 (amd64)
 Type of failure:  None/Unknown  |       Difficulty:  Unknown
       Test Case:                |       Blocked By:
        Blocking:                |  Related Tickets:
---------------------------------+----------------------------------

Comment (by carter):

 {{{
 carter Desktop/repoScratcher » clang --version
 Apple LLVM version 5.0 (clang-500.1.63) (based on LLVM 3.3svn)
 Target: x86_64-apple-darwin12.4.0
 Thread model: posix
 }}}

 is the clang version i have, which is the newest xcode 5 dev preview.
 and an apple engineer has explicitly said BOTH your clang HEAD patches.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8148#comment:10>
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