Separating build tree from the source tree

[David Brown]

On Thu, Dec 20, 2012 at 09:47:09AM +0100, Jan Stolarek wrote:
>> The workaround is to link your .git directory from your build tree, like
>> so:
>>
>>   $ cd ghc-build
>>   $ ln -s $source/.git .
>>
>> where $source is your source tree.
>I managed to get it working on Debian though there were some small issues. Lndir linked .git
>directory by default, but it was not visible to ./configure. I had to `rm -r .git; ln -s
>ghc-working/.git .` and things seem to work now. One thing bothers me: how can I undo `perl
>boot`? `make clean` doesn't seem to remove the configure scripts so I am not sure whether the
>tree in the ghc-build directory works because of symlinking .git or because I have configure
>files in the original source directory.

How about, in the source directory:

     git clean -dfx

or perhaps with -X instead.  You can use -n instead of -f to see what
it'd do.

David