>From d56005a2d839e36cd9f718041d8634f34cf2177a Mon Sep 17 00:00:00 2001
From: Pierre Langlois <address@hidden>
Date: Sat, 11 Apr 2020 16:34:01 +0100
Subject: [PATCH] gnu: dovecot: Add libunwind input for arm.

* gnu/packages/mail.scm (dovecot)[inputs]: Add libunwind when targetting arm.
---
 gnu/packages/mail.scm | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/mail.scm b/gnu/packages/mail.scm
index 0a88c20a6e..8d55d157e5 100644
--- a/gnu/packages/mail.scm
+++ b/gnu/packages/mail.scm
@@ -24,7 +24,7 @@
 ;;; Copyright © 2017 Kyle Meyer <address@hidden>
 ;;; Copyright © 2017, 2018, 2019, 2020 Tobias Geerinckx-Rice <address@hidden>
 ;;; Copyright © 2017, 2018 Rene Saavedra <address@hidden>
-;;; Copyright © 2018, 2019 Pierre Langlois <address@hidden>
+;;; Copyright © 2018, 2019, 2020 Pierre Langlois <address@hidden>
 ;;; Copyright © 2018 Alex Vong <address@hidden>
 ;;; Copyright © 2018 Gábor Boskovits <address@hidden>
 ;;; Copyright © 2018, 2019, 2020 Ricardo Wurmus <address@hidden>
@@ -89,6 +89,7 @@
   #:use-module (gnu packages libevent)
   #:use-module (gnu packages libidn)
   #:use-module (gnu packages libunistring)
+  #:use-module (gnu packages libunwind)
   #:use-module (gnu packages linux)
   #:use-module (gnu packages lsof)
   #:use-module (gnu packages lua)
@@ -1435,6 +1436,11 @@ facilities for checking incoming mail.")
     (inputs
      `(("bzip2" ,bzip2)
        ("libsodium" ,libsodium)         ; extra password algorithms
+       ;; FIXME: The 'test-backtrace' tests fail on arm when using glibc's
+       ;; backtrace_symbol() function so fallback to using libunwind.
+       ,@(if (target-arm?)
+          `(("libunwind" ,libunwind))
+          '())
        ("linux-pam" ,linux-pam)
        ("lz4" ,lz4)
        ("openssl" ,openssl)
-- 
2.26.1