Re: [GHC] #2234: Profiled binaries create empty files

#2234: Profiled binaries create empty files
----------------------+-----------------------------------------------------
 Reporter:  guest     |          Owner:        
     Type:  bug       |         Status:  new    
 Priority:  normal    |      Milestone:        
Component:  Compiler  |        Version:  6.8.2  
 Severity:  minor     |     Resolution:        
 Keywords:            |     Difficulty:  Unknown
 Testcase:            |   Architecture:  Unknown
       Os:  Unknown   |  
----------------------+-----------------------------------------------------
Changes (by igloo):

  * difficulty:  => Unknown

Old description:

> gwern@localhost:1891~>ghc --version
> [ 1:20PM]
>
> The Glorious Glasgow Haskell Compilation System, version 6.8.2
>
New description:

 {{{
 gwern@localhost:1891~>ghc --version
 [ 1:20PM]

 The Glorious Glasgow Haskell Compilation System, version 6.8.2
 }}}

 I recently happened to go through the effort to build a copy of Darcs with
 profiling enabled (to profile, obviously), and while the profiling runs
 were quite as helpful as I could've wished, I've since noticed something
 very annoying:
 {{{
 gwern@localhost:1922~>~/bin/bin/darcs whatsnew
 [ 1:35PM]

 No changes!

 gwern@localhost:1923~>cat darcs.prof
 [ 1:36PM]

 gwern@localhost:1924~>ls
 [ 1:36PM]

 bin/   _darcs/     darcs.prof  hacryptopp/  hiersort/  hope/  idris/
 ivor/   par-gc-ismm08.pdf  pics2/  torrent/
 }}}
 Note the complete lack of any +RTS-RTS flags; nevertheless, an annoying
 empty file has been created to clutter up my home directory. And deleting
 it is pointless since it'll just get created. Even worse, this stupid file
 will appear anywhere I use the profiled darcs (at last count, slocate knew
 of at least 12 such darcs.prof). And since my system is set up for
 profiling, it'll only get worse as more and more binaries get built for
 profiling.

 I understand from Igloo there's some vague user-friendliness rationale
 behind GHC's littering, but I'm skeptical that this is really the best way
 to go about matters.

 --
 gwern

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2234#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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