Use special version of LHCb in sim11 slots until they are moved to LCG 106

lhcbnightlyconf/Gauss.py

@@ -154,7 +154,14 @@ def create_gaussino_slot(name, desc, platforms=SIM11_PLATFORMS):
             Project('Gaudi', 'v39r2'),
             Project('Geant4', 'HEAD'),
             Project('Detector', 'HEAD'),
-            Project('LHCb', 'HEAD'),
+            # LHCb/master is not compatible with LCG 105c
+            Project(
+                'LHCb',
+                'lcg-105-compat-patches',
+                checkout=('git', {
+                    'merges': 'all'
+                }),
+            ),
             Project('Run2Support', 'HEAD'),
             Project(
                 'GaussinoExtLibs',