[Hackage] #768: Cabal cannot find GHC when using relative path in -w flag

[Hackage]

#768: Cabal cannot find GHC when using relative path in -w flag
----------------------------+-----------------------------------------------
  Reporter:  tibbe          |        Owner:         
      Type:  defect         |       Status:  new    
  Priority:  normal         |    Milestone:         
 Component:  Cabal library  |      Version:  1.8.0.6
  Severity:  normal         |     Keywords:         
Difficulty:  unknown        |   Ghcversion:         
  Platform:                 |  
----------------------------+-----------------------------------------------
 Trying to build the network package while standing at the root of a GHC
 build tree fails to find GHC:

 {{{
 $ cabal install -w inplace/bin/ghc-stage2 network -v2
 inplace/bin/ghc-stage2 --numeric-version
 looking for package tool: ghc-pkg near compiler in inplace/bin
 found package tool in inplace/bin/ghc-pkg
 inplace/bin/ghc-pkg --version
 inplace/bin/ghc-stage2 --supported-languages
 Reading installed packages...
 inplace/bin/ghc-pkg dump --global
 inplace/bin/ghc-pkg dump --user
 inplace/bin/ghc-stage2 --print-libdir
 Reading available packages...
 Resolving dependencies...
 selecting network-2.3 (hackage) and discarding network-2.0, 2.1.0.0,
 2.2.0.0,
 2.2.0.1, 2.2.1, 2.2.1.1, 2.2.1.2, 2.2.1.3, 2.2.1.4, 2.2.1.5, 2.2.1.6,
 2.2.1.7,
 2.2.1.8, 2.2.1.9, 2.2.1.10, 2.2.3 and 2.2.3.1
 selecting base-4.3.0.0 (installed)
 selecting ffi-1.0 (installed)
 selecting ghc-prim-0.2.0.0 (installed)
 selecting integer-gmp-0.2.0.2 (installed)
 selecting rts-1.0 (installed)
 selecting parsec-2.1.0.1 (hackage) and discarding parsec-2.0, 2.1.0.0,
 3.0.0,
 3.0.1 and 3.1.0
 selecting unix-2.4.1.0 (installed) and discarding unix-2.0, 2.2.0.0,
 2.3.0.0,
 2.3.1.0, 2.3.2.0, 2.4.0.0, 2.4.0.1 and 2.4.0.2
 selecting bytestring-0.9.1.8 (installed) and discarding bytestring-0.9,
 0.9.0.1, 0.9.0.2, 0.9.0.3, 0.9.0.4, 0.9.1.0, 0.9.1.1, 0.9.1.2, 0.9.1.3,
 0.9.1.4, 0.9.1.5, 0.9.1.6 and 0.9.1.7
 In order, the following would be installed:
 parsec-2.1.0.1 (new package)
 network-2.3 (new package)
 parsec-2.1.0.1 has already been downloaded.
 Extracting
 /home/tibell/.cabal/packages/hackage.haskell.org/parsec/2.1.0.1/parsec-2.1.0.1.tar.gz
 to /tmp/parsec-2.1.0.117969...
 Configuring parsec-2.1.0.1...
 cabal: Cannot find the program 'ghc' at 'inplace/bin/ghc-stage2' or on the
 path
 cabal: Error: some packages failed to install:
 network-2.3 depends on parsec-2.1.0.1 which failed to install.
 parsec-2.1.0.1 failed during the configure step. The exception was:
 ExitFailure 1
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/768>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects