From 636037fd0a9b3ab14a144b3eb2379cc0c59f0282 Mon Sep 17 00:00:00 2001
From: Marius Bakke <mbakke@fastmail.com>
Date: Wed, 9 Oct 2019 19:07:50 +0200
Subject: gnu: espeak: Build with the C++ 98 standard.

Fixes <https://bugs.gnu.org/37672>.
Reported by Bradley Haggerty <bradigger@gmail.com>.

* gnu/packages/speech.scm (espeak)[arguments]: Add CXXFLAGS to #:make-flags.
---
 gnu/packages/speech.scm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gnu/packages/speech.scm b/gnu/packages/speech.scm
index 21d6027004..38ae8ae6f8 100644
--- a/gnu/packages/speech.scm
+++ b/gnu/packages/speech.scm
@@ -69,6 +69,8 @@
                           (string-append "LDFLAGS=-Wl,-rpath="
                                          (assoc-ref %outputs "out")
                                          "/lib")
+                          ;; The package fails to build with newer C++ standards.
+                          "CXXFLAGS=-std=c++98"
                           "AUDIO=pulseaudio")
        #:tests? #f ; no check target
        #:phases
-- 
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