ENH: use mpi-qualified names for ptscotch include, lib

etc/apps/scotch/bashrc

@@ -36,4 +36,10 @@
 export SCOTCH_VERSION=scotch_5.1.11
 export SCOTCH_ARCH_PATH=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/$SCOTCH_VERSION
 
+# mpi-qualified include directory
+export SCOTCH_MPI_INCLUDE=$SCOTCH_ARCH_PATH/include/${FOAM_MPI_LIBBIN##*/}
+
+# mpi-qualified lib directory
+export SCOTCH_MPI_LIBBIN=$SCOTCH_ARCH_PATH/lib/${FOAM_MPI_LIBBIN##*/}
+
 # -----------------------------------------------------------------------------

src/parallel/decompose/Allwmake

 #!/bin/sh
 cd ${0%/*} || exit 1    # run from this directory
 
-# get SCOTCH_VERSION, SCOTCH_ARCH_PATH
+# get SCOTCH_VERSION, SCOTCH_ARCH_PATH, SCOTCH_MPI_INCLUDE
 settings=`$WM_PROJECT_DIR/bin/foamEtcFile apps/scotch/bashrc`
 if [ -f "$settings" ]
 then

src/parallel/decompose/ptscotchDecomp/Make/options

@@ -3,7 +3,7 @@ sinclude $(RULES)/mplib$(WM_MPLIB)
 
 EXE_INC = \
     $(PFLAGS) $(PINC) \
-    -I$(SCOTCH_ARCH_PATH)/include \
+    -I$(SCOTCH_MPI_INCLUDE) \
     -I/usr/include/scotch \
     -I../decompositionMethods/lnInclude