From 006f9f0f21e12cdd29ae4758b778bb7ad831e291 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Tue, 14 Nov 2023 20:11:47 +0100
Subject: [PATCH] gnu: spindle: Fix compilation with GCC 11.

* gnu/packages/admin.scm (spindle)[arguments]: Add CXXFLAGS
to #:configure-flags.

Change-Id: I660228b8839a524791273f3fc7b6935d704b6715
---
 gnu/packages/admin.scm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/admin.scm b/gnu/packages/admin.scm
index 6dbd6a116b..ad90b18885 100644
--- a/gnu/packages/admin.scm
+++ b/gnu/packages/admin.scm
@@ -4469,7 +4469,9 @@ launch daemons into the relevant nodes.")
     (build-system gnu-build-system)
     (arguments '(#:configure-flags '("--enable-sec-launchmon"
                                      "--enable-sec-munge"
-                                     "--enable-sec-none")))
+                                     "--enable-sec-none"
+                                     ;; Fails to build as c++17.
+                                     "CXXFLAGS=-std=c++14 -O2 -g")))
     (inputs
      `(("mpi" ,openmpi)
        ("munge" ,munge)