From 651505807e7847b01bf6e53af8866958294d417c Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Fri, 31 Mar 2023 12:00:30 +0200
Subject: gnu: ucommon: Explicitly select C++ version.

* gnu/packages/telephony.scm (ucommon)[arguments]: Set -std=c++14.
---
 gnu/packages/telephony.scm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gnu/packages/telephony.scm b/gnu/packages/telephony.scm
index 81621e9d4d..a93709a469 100644
--- a/gnu/packages/telephony.scm
+++ b/gnu/packages/telephony.scm
@@ -297,6 +297,9 @@ reimplementation.")
             (sha256 (base32
                      "1mv080rvrhyxyhgqiqr8r9jdqhg3xhfawjvfj5zgj47h59nggjba"))))
    (build-system gnu-build-system)
+   (arguments
+    ;; Does not work with std=c++17, which is the default in modern GCC versions.
+    `(#:configure-flags '("CXXFLAGS=-std=c++14")))
    (inputs (list gnutls))
    (synopsis "Common C++ framework for threaded applications")
    (description "GNU uCommon C++ is meant as a very light-weight C++ library
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