On Mon, Mar 27, 2017 at 04:30:47PM +0200, Catonano wrote:
> In building libxsl I run into this error
> 
> /gnu/store/qkw4zrwfybxww8f56nkb6hggxambk89b-bash-4.4.0/bin/bash:
> ./configure: No such file or directory

[...]

> I added this piece
> 
> (arguments
>   `(#:phases
>     (modify-phases %standard-phases
>       (add-before
>        'configure 'pre-conigure
>        (lambda* (#:key inputs #:allow-other-keys)
>          (chdir "source/"))))))
> 
> 
> I also tried with
> 
>             (chdir "source/libxsl"))))))
> 
> and I get
> 
> ERROR: In procedure chdir:
> ERROR: In procedure chdir: No such file or directory
> 
> No such file or directory ?
> 
> What am I missing now ?

Without the libxsl package definition, it's hard to say exactly what's
going wrong. But, you could add the package 'tree' to (native-inputs)
and then add a line like this to your pre-configure phase:

(zero? (system* "tree"))

... and it might help.