[GHC] #14314: Consider changing CC detection strategy

4 Oct 2017


      #14314: Consider changing CC detection strategy
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           Reporter:  bgamari        |             Owner:  (none)
               Type:  task           |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.2.1
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 Currently we grep through the `$CC --version` output to identify the C
 compiler (see `FP_GCC_VERSION` in `aclocal.m4`). This is error prone (see
 Phab:D4069). Phyx suggests that we instead just rely on CPP macros. There
 is a handy list of these
 [[https://sourceforge.net/p/predef/wiki/Compilers/|here]].

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Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14314
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