[GHC] #7652: Testing freezes on FreeBSD 9.1.

[GHC]

#7652: Testing freezes on FreeBSD 9.1.
---------------------------------+------------------------------------------
    Reporter:  kazu-yamamoto     |       Owner:  pgj         
        Type:  bug               |      Status:  new         
    Priority:  high              |   Milestone:  7.8.1       
   Component:  Compiler          |     Version:  7.7         
    Keywords:                    |          Os:  FreeBSD     
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown
  Difficulty:  Unknown           |    Testcase:              
   Blockedby:                    |    Blocking:              
     Related:                    |  
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Comment(by pgj):

 Replying to [comment:7 kazu-yamamoto]:
 > After commenting out of
 > {{{
 > SRC_CC_WARNING_OPTS += -Werror=unused-but-set-variable
 > }}}
 > in mk/validate-settings.mk, "validate" finished.

 I am not sure that this is the right solution as `gcc47` shall support
 this flag.  I believe this is just a consequence of the problem you have
 mentioned here: `gcc`, i.e. the base compiler is invoked instead of
 `gcc47`.  The base `gcc` does not support the flag as it is of version
 4.2.1.  Note that invoking `cc` is the same as invoking `gcc` (4.2.1).

 By the way, you may want to try setting the `CC` environment variable to
 `/usr/local/bin/gcc47` as well.

 > We should write an document about python on FreeBSD.

 I have tracked down the source of the problem: it turned out the
 aforementioned modification for the run-time system
 [http://lists.freebsd.org/pipermail/freebsd-python/2013-April/005376.html
 is not needed] so if you just remove the associated patch and rebuild your
 `lang/python27` port without `PTH` everything shall just work.

 I am hoping to see this issue fixed in the Ports Collection so users will
 not be affected by this any more.  However, I can mention this in the
 [wiki:Building/Preparation/FreeBSD FreeBSD Building Guide].

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7652#comment:8>
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