[GHC] #2781: Install permissions broken

[GHC]

#2781: Install permissions broken
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    Reporter:  guest                |        Owner:                  
        Type:  bug                  |       Status:  reopened        
    Priority:  normal               |    Milestone:  6.12.1          
   Component:  Build System         |      Version:  6.10.1          
    Severity:  normal               |   Resolution:                  
    Keywords:  install permissions  |   Difficulty:  Unknown         
    Testcase:                       |           Os:  Unknown/Multiple
Architecture:  Unknown/Multiple     |  
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Comment (by ray):

 I use umask 077, and when I installed 6.10.3 from the .tar.bz2, all the
 permissions were set correctly, except on .hi files which were installed
 with mode 600.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2781#comment:6>
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