Subject: [bug#36477] [PATCH 01/31] gnu: perl: Fix cross-compilation.

From: Mathieu Othacehe <[email-masked]>
Date: Mon, 8 Jul 2019 11:58:43 +0200

* gnu/packages/perl.scm (perl)[arguments]: Use cross-libc instead of libc when
cross-compiling.
---
 gnu/packages/perl.scm | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/perl.scm b/gnu/packages/perl.scm
index 63b8e387b8..b348a3e088 100644
--- a/gnu/packages/perl.scm
+++ b/gnu/packages/perl.scm
@@ -22,6 +22,7 @@
 ;;; Copyright © 2018, 2019 Pierre Neidhardt <[email-masked]>
 ;;; Copyright © 2018 Kei Kebreau <[email-masked]>
 ;;; Copyright © 2019 Alex Griffin <[email-masked]>
+;;; Copyright © 2019 Mathieu Othacehe <[email-masked]>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -81,7 +82,7 @@
                        "perl-reproducible-build-date.patch"))))
     (build-system gnu-build-system)
     (arguments
-     '(#:tests? #f
+     `(#:tests? #f
        #:configure-flags
        (let ((out  (assoc-ref %outputs "out"))
              (libc (assoc-ref %build-inputs "libc")))
@@ -130,7 +131,9 @@
          (add-after 'install 'remove-extra-references
            (lambda* (#:key inputs outputs #:allow-other-keys)
              (let* ((out     (assoc-ref outputs "out"))
-                    (libc    (assoc-ref inputs "libc"))
+                    (libc    (assoc-ref inputs
+                                        ,(if (%current-target-system)
+                                             "cross-libc" "libc")))
                     (config1 (car (find-files (string-append out "/lib/perl5")
                                               "^Config_heavy\\.pl$")))
                     (config2 (find-files (string-append out "/lib/perl5")
-- 
2.17.1