[GHC] #7979: ./configure script does not properly detect missing header files

[GHC]

#7979: ./configure script does not properly detect missing header files
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Reporter:  jstolarek         |          Owner:                  
    Type:  bug               |         Status:  new             
Priority:  normal            |      Component:  Build System    
 Version:  7.6.3             |       Keywords:                  
      Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
 Failure:  None/Unknown      |      Blockedby:                  
Blocking:                    |        Related:                  
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Comment(by thoughtpolice):

 I filed this ticket in #7570 which was closed as WONTFIX by Ian.

 The gist is roughly as you described. Several of those solutions won't
 work (libraries are built with stage1 for example, and you configure them
 with stage1, so it can't happen earlier than that.) Others are awful (code
 duplication.)

 There is maybe boring work that can be done, but as that requires
 synchronizing such checks against every library, it may not be feasible or
 as easy to do so, long term (as of the Core Libraries committee formation,
 we'll hopefully be maintaining less of these GHC HQ sponsored packages, I
 think.)

 I think the unfortunate reality is as Ian said: there is probably no cure
 which is better than the disease.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7979#comment:6>
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