[GHC] #7405: use of -no-hs-main causes TH compiles to fail

[GHC]

#7405: use of -no-hs-main causes TH compiles to fail
---------------------------------+------------------------------------------
    Reporter:  MtnViewMark       |       Owner:              
        Type:  bug               |      Status:  new         
    Priority:  normal            |   Milestone:  7.8.1       
   Component:  Template Haskell  |     Version:  7.4.2       
    Keywords:                    |          Os:  MacOS X     
Architecture:  x86               |     Failure:  None/Unknown
  Difficulty:  Unknown           |    Testcase:              
   Blockedby:                    |    Blocking:              
     Related:                    |  
---------------------------------+------------------------------------------
Changes (by simonmar):

  * difficulty:  => Unknown
  * milestone:  => 7.8.1


Comment:

 I understand the problem (thanks for a good analysis), but I don't see an
 easy way to fix it.  GHC can't know, for a given `.o` file, whether it is
 needed by the transitive dependencies of the current `.h` file.  I'm all
 out of bright ideas on this one.  Anyone else?

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7405#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler