fix compilation of multiphaseMixture.C with OF 6

applications/solvers/cfdemSolverMultiphaseScalar/multiphaseMixture/Make/options

@@ -1,10 +1,15 @@
+FOAM_VERSION_MAJOR := $(word 1,$(subst ., ,$(WM_PROJECT_VERSION)))
+PFLAGS+= -DOPENFOAM_VERSION_MAJOR=$(FOAM_VERSION_MAJOR)
+
 EXE_INC = \
+     $(PFLAGS) \
     -IalphaContactAngle \
     -I$(LIB_SRC)/transportModels \
     -I$(LIB_SRC)/transportModels/incompressible/lnInclude \
     -I$(LIB_SRC)/transportModels/interfaceProperties/lnInclude \
     -I$(LIB_SRC)/finiteVolume/lnInclude \
-    -I$(LIB_SRC)/meshTools/lnInclude
+    -I$(LIB_SRC)/meshTools/lnInclude \
+    -Wno-deprecated-copy
 
 LIB_LIBS = \
     -linterfaceProperties \

applications/solvers/cfdemSolverMultiphaseScalar/multiphaseMixture/multiphaseMixture.C

@@ -831,8 +831,13 @@ void Foam::multiphaseMixture::solveAlphas
             alphaPhiCorr,
             zeroField(),
             zeroField(),
+#if OPENFOAM_VERSION_MAJOR < 6
             1,
             0,
+#else
+            oneField(),
+            zeroField(),
+#endif
             true
         );