compiling ghc w/o ghc

[Simon Marlow]

Bulat Ziganshin wrote:

> i've seen the following report from a man who tried to compile 6.8.1
> under linux without having any ghc installed:
> 
> 
> checking for ghc... no
> checking for path to top of build tree... 
> ./configure: line 2724: -v0: command not found
> ./configure: line 2728: utils/pwd/pwd: No such file or directory
> 
> line 2724:
> $WithGhc -v0 --make pwd -o pwd
> 
> the $WithGhc variable is empty
> 
> 
> 
> afaiu, configure should stop at the moment when previous ghc isn't
> found
> 
> (he was extracted ghc-6.8.1-src-extralibs.tar.bz2 and ghc-6.8.1-src.tar.bz2
> if that matter)

Thanks, I'm validating a fix for this.

Cheers,
	Simon