GNU bug report logs - #36477
Add Guix System cross-compilation support

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From: Mathieu Othacehe <m.othacehe <at> gmail.com>
To: 36477 <at> debbugs.gnu.org
Cc: mbakke <at> fastmail.com, Mathieu Othacehe <m.othacehe <at> gmail.com>, ludo <at> gnu.org
Subject: [bug#36477] [PATCH v2 04/61] gnu: tk: Fix cross-compilation.
Date: Wed, 21 Aug 2019 10:53:58 +0200

* gnu/packages/tcl.scm (tk)[arguments]: Add configure flags to fix
cross-compilation.
---
 gnu/packages/tcl.scm | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/gnu/packages/tcl.scm b/gnu/packages/tcl.scm
index 96f41e7928..9ef95b42ed 100644
--- a/gnu/packages/tcl.scm
+++ b/gnu/packages/tcl.scm
@@ -186,9 +186,16 @@ X11 GUIs.")
                                          "/lib -lfontconfig")))
                        #t))))
 
-       #:configure-flags (list (string-append "--with-tcl="
-                                              (assoc-ref %build-inputs "tcl")
-                                              "/lib"))
+       #:configure-flags
+       (list (string-append "--with-tcl="
+                            (assoc-ref %build-inputs "tcl")
+                            "/lib")
+             ;; This is needed when cross-compiling, see:
+             ;; https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=719247
+             ,@(if (%current-target-system)
+                   '("tcl_cv_strtod_buggy=1"
+                     "ac_cv_func_strtod=yes")
+                   '()))
 
        ;; The tests require a running X server, so we just skip them.
        #:tests? #f))
-- 
2.17.1

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