From 7bdc233087eebdeaecadf3790088583f4fa2c99e Mon Sep 17 00:00:00 2001
From: Luke Shingles <luke.shingles@gmail.com>
Date: Thu, 26 Dec 2024 22:23:57 +0000
Subject: [PATCH] Update Makefile

---
 Makefile | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index a3b26e445..39d0e38d7 100644
--- a/Makefile
+++ b/Makefile
@@ -156,7 +156,14 @@ else
 	# to get the current CPU architecture, run this:
 	# g++ -march=native -Q --help=target | grep -- '-march=  ' | cut -f3
 
-	CXXFLAGS += -march=native
+	ifneq (,$(shell hostname -A | grep gsi.de))
+		# virgo has znver4 nodes in the new partition
+		# CXXFLAGS += -march=znver4
+		# and znver3 nodes in the other partitions and login nodes
+		CXXFLAGS += -march=native
+	else
+		CXXFLAGS += -march=native
+	endif
 
 	# CXXFLAGS += -march=icelake-server