[GHC] #5669: Fix test 5558 for Mac OS X 10.5

[GHC]

#5669: Fix test 5558 for Mac OS X 10.5
----------------------------+-----------------------------------------------
    Reporter:  thorkilnaur  |       Owner:            
        Type:  bug          |      Status:  new       
    Priority:  normal       |   Component:  Test Suite
     Version:  7.3          |    Keywords:            
    Testcase:               |   Blockedby:            
          Os:  MacOS X      |    Blocking:            
Architecture:  x86          |     Failure:  Other     
----------------------------+-----------------------------------------------
 The attached patch fixes
 {{{
 =====> 5558(threaded2) 207 of 3086 [0, 0, 0]
 cd ./concurrent/should_run && '/Users/thorkilnaur/tn/GHCGitRepository/ghc-
 working/bindisttest/install dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-
 lint -dno-debug-output -no-user-package-conf -rtsopts -fno-ghci-history
 -o 5558 5558.hs -O -threaded -eventlog   >5558.comp.stderr 2>&1
 ...
 cd ./concurrent/should_run && for i in `seq 1 100`; do ./5558  +RTS -N2
 -ls -RTS  </dev/null >5558.run.stdout 2>5558.run.stderr || break; done
 /bin/sh: seq: command not found
 *** framework failure for 5558(threaded2) do_test exception :
 Traceback (most recent call last):
   File "/Users/thorkilnaur/tn/GHCGitRepository/ghc-
 working/testsuite/driver/testlib.py", line 684, in do_test
     result = apply(func, [name,way] + args)
 ...
 IOError: [Errno 2] No such file or directory:
 './concurrent/should_run/5558.run.stderr'
 }}}
 on
 {{{
 $ uname -a
 Darwin thorkil-naurs-intel-mac-mini.local 9.8.0 Darwin Kernel Version
 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386
 i386
 $
 }}}
 Validated on Mac OS X 10.5. The sequence expression {1..100} works on
 Linux, Cygwin and FreeBSD.

 Best regards
 Thorkil

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5669>
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