From 73d2c9ddea5034ca11649eced7d13d20c6802f31 Mon Sep 17 00:00:00 2001
From: Yann Pfau-Kempf <pfaukemp@mahti-login11.mahti.csc.fi>
Date: Mon, 9 Jun 2025 19:34:42 +0300
Subject: [PATCH] update c++17 to c++20

---
 src/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Makefile b/src/Makefile
index 531b03d1..2cdae086 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -26,7 +26,7 @@ FTN = mpifort
 CLOCK_ID = CLOCK_MONOTONIC
 
 # C++ compiler flags 
-CCFLAGS = -fpic -O2 -std=c++17 -DCLOCK_ID=$(CLOCK_ID)
+CCFLAGS = -fpic -O2 -std=c++20 -DCLOCK_ID=$(CLOCK_ID)
 FFLAGS= -fpic -O2
 
 LDFLAGS = -lstdc++