From 81fe4c937e61a26c35db1a92ba055b18e15045eb Mon Sep 17 00:00:00 2001
From: Christopher Kelly <ckelly@phys.columbia.edu>
Date: Tue, 12 Apr 2022 09:51:59 -0400
Subject: [PATCH] Hopefully fix link errors on Intel compilers due to having no
 function body for MomentumFilterBase::apply_phase

---
 Grid/qcd/action/filters/MomentumFilter.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Grid/qcd/action/filters/MomentumFilter.h b/Grid/qcd/action/filters/MomentumFilter.h
index 2a15d80c..864166f5 100644
--- a/Grid/qcd/action/filters/MomentumFilter.h
+++ b/Grid/qcd/action/filters/MomentumFilter.h
@@ -37,7 +37,7 @@ NAMESPACE_BEGIN(Grid);
 
 template<typename MomentaField>
 struct MomentumFilterBase{
-  virtual void applyFilter(MomentaField &P) const;
+  virtual void applyFilter(MomentaField &P) const = 0;
 };
 
 //Do nothing