[GHC] #10002: Invalid ghcversion.h file in GHC 7.10.1 RC1

[GHC]

#10002: Invalid ghcversion.h file in GHC 7.10.1 RC1
-------------------------------------+-------------------------------------
              Reporter:  asr         |             Owner:
                  Type:  bug         |            Status:  new
              Priority:  normal      |         Milestone:  7.10.1
             Component:  Compiler    |           Version:  7.10.1-rc1
              Keywords:              |  Operating System:  Unknown/Multiple
          Architecture:              |   Type of failure:  None/Unknown
  Unknown/Multiple                   |        Blocked By:
             Test Case:              |   Related Tickets:
              Blocking:              |
Differential Revisions:              |
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 Using cpphs 1.18.7, I got the following error with GHC 7.10.1 RC1:

 {{{
 $ cat Main.hs
 {-# LANGUAGE CPP #-}

 module Main where

 main :: IO ()
 main = putStrLn "Hello, World!"
 }}}

 {{{
 $ ghc -pgmP cpphs -optP --cpp Main.hs
 ...
 /usr/local/stow/ghc-7.10.1.RC1/lib/ghc-7.10.0.20141222/include/ghcversion.h:12:30:
     parse error on input ‘\\’
 }}}

 By replacing {{{\\}}} by {{{\}}} in ghcversion.h, the issue is fixed.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10002>
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