bug#26275: [PATCH] build: perl-build-system: Add `wrap' phase.

[Marius Bakke]

Hello!

I can't study the code right now, but at a glance it looks like this
will also include native-inputs in PERL5LIB. Can you try to filter them
out?

Doing that will effectively also solve
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=25235 . Patch welcome! :)

Arun Isaac <address@hidden> writes:

> * guix/build/perl-build-system.scm (wrap): New procedure.
> (%standard-phases): Add it.
> ---
>  guix/build/perl-build-system.scm | 29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>
> diff --git a/guix/build/perl-build-system.scm 
> b/guix/build/perl-build-system.scm
> index 8f480eae1..32ef86b65 100644
> --- a/guix/build/perl-build-system.scm
> +++ b/guix/build/perl-build-system.scm
> @@ -19,7 +19,10 @@
>  (define-module (guix build perl-build-system)
>    #:use-module ((guix build gnu-build-system) #:prefix gnu:)
>    #:use-module (guix build utils)
> +  #:use-module (ice-9 ftw)
>    #:use-module (ice-9 match)
> +  #:use-module (srfi srfi-1)
> +  #:use-module (srfi srfi-26)
>    #:export (%standard-phases
>              perl-build))
>  
> @@ -68,6 +71,31 @@
>  (define-w/gnu-fallback* (install)
>    (zero? (system* "./Build" "install")))
>  
> +(define* (wrap #:key inputs outputs #:allow-other-keys)
> +  (define (list-of-files dir)
> +    (map (cut string-append dir "/" <>)
> +         (or (scandir dir (lambda (f)
> +                            (let ((s (stat (string-append dir "/" f))))
> +                              (eq? 'regular (stat:type s)))))
> +             '())))
> +
> +  (define bindirs
> +    (append-map (match-lambda
> +                  ((_ . dir)
> +                   (list (string-append dir "/bin")
> +                         (string-append dir "/sbin"))))
> +                outputs))
> +
> +  (let* ((out  (assoc-ref outputs "out"))
> +         (var `("PERL5LIB" prefix
> +                ,(search-path-as-string->list
> +                  (or (getenv "PERL5LIB") "")))))
> +    (for-each (lambda (dir)
> +                (let ((files (list-of-files dir)))
> +                  (for-each (cut wrap-program <> var)
> +                            files)))
> +              bindirs)))
> +
>  (define %standard-phases
>    ;; Everything is as with the GNU Build System except for the `configure',
>    ;; `build', `check', and `install' phases.
> @@ -75,6 +103,7 @@
>      (replace 'install install)
>      (replace 'check check)
>      (replace 'build build)
> +    (add-after 'install 'wrap wrap)
>      (replace 'configure configure)))
>  
>  (define* (perl-build #:key inputs (phases %standard-phases)
> -- 
> 2.11.0

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