[GHC] #12171: option to accept ISO C99... unsupported

[GHC]

#12171: option to accept ISO C99... unsupported
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        Reporter:  wozgonon             |                Owner:
            Type:  bug                  |               Status:  new
        Priority:  normal               |            Milestone:
       Component:  Build System         |              Version:  8.0.1
      Resolution:                       |             Keywords:
Operating System:  Windows              |         Architecture:  x86
 Type of failure:  Building GHC failed  |            Test Case:
      Blocked By:                       |             Blocking:
 Related Tickets:                       |  Differential Rev(s):
       Wiki Page:                       |
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Comment (by wozgonon):

 I am afraid config.log is too big to add as an attachment so I added just
 the top part until the first mention of the installed ghc.

 {{{
 ...
 configure:5777: checking for C:/unix/haskell/ghc/inplace/mingw/bin/gcc.exe
 option to accept ISO C99
 configure:5926: C:/unix/haskell/ghc/inplace/mingw/bin/gcc.exe  -c -g -O2
 conftest.c >&5
 configure:5926: $? = 0
 configure:5939: result: none needed
 configure:5978: checking for C:/haskell/8.0.1/lib/../mingw/bin/gcc.exe
 option to accept ISO C99
 configure:6127: C:/haskell/8.0.1/lib/../mingw/bin/gcc.exe  -c   conftest.c
 >&5
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12171#comment:6>
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