07/19: gnu: libgpg-error: Fix cross compilation.

[guix-commits]

mothacehe pushed a commit to branch wip-cross-system
in repository guix.

commit 9a44904e86665a14fd863dbce18325177e074452
Author: Mathieu Othacehe <address@hidden>
Date:   Sat Jun 29 17:21:37 2019 +0200

    gnu: libgpg-error: Fix cross compilation.
    
    * gnu/packages/gnupg.scm (libgpg-error)[arguments]: Add a lock-obj header to
    the target platform when cross-compiling,
    [native-inputs]: add gettext that is needed when cross-compiling.
---
 gnu/packages/gnupg.scm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/gnupg.scm b/gnu/packages/gnupg.scm
index f84f8d7..68e8270 100644
--- a/gnu/packages/gnupg.scm
+++ b/gnu/packages/gnupg.scm
@@ -15,6 +15,7 @@
 ;;; Copyright © 2017 Petter <address@hidden>
 ;;; Copyright © 2018, 2019 Tobias Geerinckx-Rice <address@hidden>
 ;;; Copyright © 2018 Marius Bakke <address@hidden>
+;;; Copyright © 2019 Mathieu Othacehe <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -86,6 +87,27 @@
        (base32
         "1jj08ns4sh1hmafqp1giskvdicdz18la516va26jycy27kkwaif3"))))
     (build-system gnu-build-system)
+    (arguments
+     (if (%current-target-system)
+         `(#:modules ((ice-9 match)
+                      (guix build gnu-build-system)
+                      (guix build utils))
+           #:phases
+           (modify-phases %standard-phases
+             (add-after 'unpack 'cross-symlinks
+               (lambda* (#:key inputs #:allow-other-keys)
+                 (let* ((target ,(%current-target-system))
+                        (tuple
+                         (match (string-take target (string-index target #\-))
+                           ("armhf" "arm-unknown-linux-gnueabi")
+                           (x
+                            (string-append x "-unknown-linux-gnu")))))
+                   (symlink
+                    (string-append "lock-obj-pub." tuple ".h")
+                    "src/syscfg/lock-obj-pub.linux-gnu.h"))
+                 #t))))
+         '()))
+    (native-inputs `(("gettext" ,gettext-minimal)))
     (home-page "https://gnupg.org";)
     (synopsis "Library of error values for GnuPG components")
     (description