From 8d305df0db1caa2040b85b30367b3b058e18c437 Mon Sep 17 00:00:00 2001
From: Ed Bennett <e.j.bennett@swansea.ac.uk>
Date: Fri, 24 May 2024 14:00:56 +0100
Subject: [PATCH] =?UTF-8?q?guard=20against=20trying=20to=20compile=20SU3-s?=
 =?UTF-8?q?pecific=20code=20when=20Nc=20=E2=89=A0=203?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 HMC/FTHMC2p1f.cc      | 10 ++++++++--
 HMC/FTHMC2p1f_3GeV.cc |  9 +++++++++
 HMC/HMC2p1f_3GeV.cc   |  8 ++++++++
 3 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/HMC/FTHMC2p1f.cc b/HMC/FTHMC2p1f.cc
index 7d93d168..1e914e87 100644
--- a/HMC/FTHMC2p1f.cc
+++ b/HMC/FTHMC2p1f.cc
@@ -25,13 +25,20 @@ directory
 *************************************************************************************/
 /*  END LEGAL */
 #include <Grid/Grid.h>
+
+#if Nc == 3
 #include <Grid/qcd/smearing/GaugeConfigurationMasked.h>
 #include <Grid/qcd/smearing/JacobianAction.h>
+#endif
 
 using namespace Grid;
 
 int main(int argc, char **argv)
 {
+#if Nc != 3
+#warning FTHMC2p1f will not work for Nc != 3
+  std::cout << "This program will currently only work for Nc == 3." << std::endl;
+#else
   std::cout << std::setprecision(12);
   
   Grid_init(&argc, &argv);
@@ -220,7 +227,6 @@ int main(int argc, char **argv)
   TheHMC.Run(SmearingPolicy); // for smearing
 
   Grid_finalize();
+#endif
 } // main
 
-
-
diff --git a/HMC/FTHMC2p1f_3GeV.cc b/HMC/FTHMC2p1f_3GeV.cc
index a8aa67f8..36d5caa3 100644
--- a/HMC/FTHMC2p1f_3GeV.cc
+++ b/HMC/FTHMC2p1f_3GeV.cc
@@ -24,14 +24,22 @@ See the full license in the file "LICENSE" in the top level distribution
 directory
 *************************************************************************************/
 /*  END LEGAL */
+
 #include <Grid/Grid.h>
+
+#if Nc == 3
 #include <Grid/qcd/smearing/GaugeConfigurationMasked.h>
 #include <Grid/qcd/smearing/JacobianAction.h>
+#endif
 
 using namespace Grid;
 
 int main(int argc, char **argv)
 {
+#if Nc != 3
+#warning FTHMC2p1f_3GeV will not work for Nc != 3
+  std::cout << "This program will currently only work for Nc == 3." << std::endl;
+#else
   std::cout << std::setprecision(12);
   
   Grid_init(&argc, &argv);
@@ -220,6 +228,7 @@ int main(int argc, char **argv)
   TheHMC.Run(SmearingPolicy); // for smearing
 
   Grid_finalize();
+#endif
 } // main
 
 
diff --git a/HMC/HMC2p1f_3GeV.cc b/HMC/HMC2p1f_3GeV.cc
index 4bf088d7..199d4be8 100644
--- a/HMC/HMC2p1f_3GeV.cc
+++ b/HMC/HMC2p1f_3GeV.cc
@@ -25,13 +25,20 @@ directory
 *************************************************************************************/
 /*  END LEGAL */
 #include <Grid/Grid.h>
+
+#if Nc == 3
 #include <Grid/qcd/smearing/GaugeConfigurationMasked.h>
 #include <Grid/qcd/smearing/JacobianAction.h>
+#endif
 
 using namespace Grid;
 
 int main(int argc, char **argv)
 {
+#if Nc != 3
+#warning HMC2p1f_3GeV will not work for Nc != 3
+  std::cout << "This program will currently only work for Nc == 3." << std::endl;
+#else
   std::cout << std::setprecision(12);
   
   Grid_init(&argc, &argv);
@@ -220,6 +227,7 @@ int main(int argc, char **argv)
   TheHMC.Run(SmearingPolicy); // for smearing
 
   Grid_finalize();
+#endif
 } // main