CONFIG: add Cray compiler, cray mpich settings, wmake rules (fixes #558)

- the cray C/C++ compilers appear to be option-compatible with gcc.

- no wmake rules for 32bit builds (deemed to be unnecessary)

etc/bashrc

@@ -65,7 +65,7 @@ export WM_COMPILER_TYPE=system
 
 #- Compiler:
 #    WM_COMPILER = Gcc | Gcc4[8-9] | Gcc5[1-4] | Gcc6[1-3] | GccKNL
-#                  | Clang | Clang3[8-9] | Clang40 | Icc | IccKNL
+#                  | Clang | Clang3[8-9] | Clang40 | Icc | IccKNL | Cray
 export WM_COMPILER=Gcc
 unset WM_COMPILER_ARCH WM_COMPILER_LIB_ARCH
 
@@ -89,7 +89,7 @@ export WM_COMPILE_OPTION=Opt
 
 #- MPI implementation:
 #    WM_MPLIB = SYSTEMOPENMPI | OPENMPI | SYSTEMMPI | MPICH | MPICH-GM | HPMPI
-#               | MPI | FJMPI | QSMPI | SGIMPI | INTELMPI | USERMPI
+#               | MPI | CRAY-MPICH | FJMPI | QSMPI | SGIMPI | INTELMPI | USERMPI
 export WM_MPLIB=SYSTEMOPENMPI
 
 #- Operating System:

etc/config.csh/mpi

@@ -141,6 +141,28 @@ case MPICH-GM:
     _foamAddLib     $GM_LIB_PATH
     breaksw
 
+case CRAY-MPICH:
+    if ( ! $?MPICH_DIR ) setenv MPICH_DIR /dev/null
+    setenv FOAM_MPI cray-mpich
+    setenv MPI_ARCH_PATH $MPICH_DIR
+
+    if ($?FOAM_VERBOSE && $?prompt) then
+        echo "Using $WM_MPLIB"
+        echo "    FOAM_MPI  : $FOAM_MPI"
+        echo "    MPICH_DIR : $MPI_ARCH_PATH"
+    endif
+
+    if ( ! -d "$MPI_ARCH_PATH" ) then
+        echo "Warning in $WM_PROJECT_DIR/etc/config.csh/mpi:"
+        echo "    Not a valid $WM_MPLIB installation directory."
+        echo "    Please set MPICH_DIR properly."
+        echo "    Currently using '$MPI_ARCH_PATH'"
+    endif
+
+    # _foamAddPath    $MPI_ARCH_PATH/bin
+    _foamAddLib     $MPI_ARCH_PATH/lib
+    breaksw
+
 case HPMPI:
     setenv FOAM_MPI hpmpi
     setenv MPI_HOME /opt/hpmpi

etc/config.csh/settings

@@ -214,12 +214,17 @@ if (! $?WM_COMPILER_TYPE ) setenv WM_COMPILER_TYPE system
 # Adjustments for non-gcc compilers
 switch ("$WM_COMPILER")
 case Clang*:
-    # Using clang - not gcc
+    # Using clang compiler suite
     setenv WM_CC 'clang'
     setenv WM_CXX 'clang++'
     breaksw
+case Cray*:
+    # Using cray system compilers
+    setenv WM_CC 'cc'
+    setenv WM_CXX 'CC'
+    breaksw
 case Icc*:
-    # Using icc - not gcc
+    # Using intel compilers
     setenv WM_CC 'icc'
     setenv WM_CXX 'icpc'
     breaksw

etc/config.sh/mpi

@@ -160,6 +160,28 @@ MPICH-GM)
     _foamAddLib     $GM_LIB_PATH
     ;;
 
+CRAY-MPICH)
+    export FOAM_MPI=cray-mpich
+    export MPI_ARCH_PATH=$MPICH_DIR
+
+    if [ "$FOAM_VERBOSE" -a "$PS1" ]
+    then
+        echo "Using $WM_MPLIB" 1>&2
+        echo "    FOAM_MPI  : $FOAM_MPI" 1>&2
+        echo "    MPICH_DIR : $MPI_ARCH_PATH" 1>&2
+    fi
+
+    [ -d "$MPI_ARCH_PATH" ] || {
+        echo "Warning in $WM_PROJECT_DIR/etc/config.sh/mpi:" 1>&2
+        echo "    Not a valid $WM_MPLIB installation directory." 1>&2
+        echo "    Please set MPICH_DIR properly" 1>&2
+        echo "    Currently using '$MPI_ARCH_PATH'" 1>&2
+    }
+
+    # _foamAddPath    $MPI_ARCH_PATH/bin
+    _foamAddLib     $MPI_ARCH_PATH/lib
+    ;;
+
 HPMPI)
     export FOAM_MPI=hpmpi
     export MPI_HOME=/opt/hpmpi

etc/config.sh/settings

@@ -216,12 +216,17 @@ _foamAddLib  $FOAM_USER_LIBBIN:$FOAM_SITE_LIBBIN:$FOAM_LIBBIN
 # Adjust for non-gcc compilers
 case "$WM_COMPILER" in
 Clang*)
-    # Using clang - not gcc
+    # Using clang compiler suite
     export WM_CC='clang'
     export WM_CXX='clang++'
     ;;
+Cray*)
+    # Using cray system compilers
+    export WM_CC='cc'
+    export WM_CXX='CC'
+    ;;
 Icc*)
-    # Using icc - not gcc
+    # Using intel compilers
     export WM_CC='icc'
     export WM_CXX='icpc'
     ;;

etc/cshrc

@@ -61,7 +61,7 @@ setenv WM_COMPILER_TYPE system
 
 #- Compiler:
 #    WM_COMPILER = Gcc | Gcc4[8-9] | Gcc5[1-4] | Gcc6[1-3] | GccKNL
-#                  | Clang | Clang3[8-9] | Clang40 | Icc | IccKNL
+#                  | Clang | Clang3[8-9] | Clang40 | Icc | IccKNL | Cray
 setenv WM_COMPILER Gcc
 setenv WM_COMPILER_ARCH # defined but empty
 unsetenv WM_COMPILER_LIB_ARCH
@@ -86,7 +86,7 @@ setenv WM_COMPILE_OPTION Opt
 
 #- MPI implementation:
 #    WM_MPLIB = SYSTEMOPENMPI | OPENMPI | SYSTEMMPI | MPICH | MPICH-GM | HPMPI
-#               | MPI | FJMPI | QSMPI | SGIMPI | INTELMPI | USERMPI
+#               | MPI | CRAY-MPICH | FJMPI | QSMPI | SGIMPI | INTELMPI | USERMPI
 setenv WM_MPLIB SYSTEMOPENMPI
 
 #- Operating System:

wmake/rules/General/mplibCRAY-MPICH

+include $(GENERAL_RULES)/mplibMPICH

wmake/rules/linux64Cray/c

+SUFFIXES += .c
+
+cWARN        = -Wall
+
+cc          = cc -m64
+
+include $(DEFAULT_RULES)/c$(WM_COMPILE_OPTION)
+
+cFLAGS      = $(GFLAGS) $(cWARN) $(cOPT) $(cDBUG) $(LIB_HEADER_DIRS) -fPIC
+
+ctoo        = $(WM_SCHEDULER) $(cc) $(cFLAGS) -c $< -o $@
+
+LINK_LIBS   = $(cDBUG)
+
+LINKLIBSO   = $(cc) -shared
+LINKEXE     = $(cc) -Xlinker --add-needed -Xlinker -z -Xlinker nodefs

wmake/rules/linux64Cray/c++

+SUFFIXES += .C
+
+c++WARN     = -Wall -Wextra -Wold-style-cast -Wnon-virtual-dtor -Wno-unused-parameter -Wno-invalid-offsetof
+
+# Suppress some warnings for flex++ and CGAL
+c++LESSWARN = -Wno-old-style-cast -Wno-unused-local-typedefs -Wno-array-bounds
+
+CC          = CC -std=c++11 -m64
+
+include $(DEFAULT_RULES)/c++$(WM_COMPILE_OPTION)
+
+ptFLAGS     = -DNoRepository -ftemplate-depth-100
+
+c++FLAGS    = $(GFLAGS) $(c++WARN) $(c++OPT) $(c++DBUG) $(ptFLAGS) $(LIB_HEADER_DIRS) -fPIC
+
+Ctoo        = $(WM_SCHEDULER) $(CC) $(c++FLAGS) -c $< -o $@
+cxxtoo      = $(Ctoo)
+cctoo       = $(Ctoo)
+cpptoo      = $(Ctoo)
+
+LINK_LIBS   = $(c++DBUG)
+
+LINKLIBSO   = $(CC) $(c++FLAGS) -shared -Xlinker --add-needed -Xlinker --no-as-needed
+LINKEXE     = $(CC) $(c++FLAGS) -Xlinker --add-needed -Xlinker --no-as-needed

wmake/rules/linux64Cray/c++Debug

+c++DBUG    = -ggdb3 -DFULLDEBUG
+c++OPT      = -O0 -fdefault-inline

wmake/rules/linux64Cray/c++Opt

+c++DBUG     =
+c++OPT      = -O3
+
+ROUNDING_MATH = -frounding-math

wmake/rules/linux64Cray/c++Prof

+c++DBUG    = -pg
+c++OPT     = -O2

wmake/rules/linux64Cray/cDebug

+cDBUG       = -ggdb -DFULLDEBUG
+cOPT        = -O1 -fdefault-inline -finline-functions

wmake/rules/linux64Cray/cOpt

+cDBUG       =
+cOPT        = -O3

wmake/rules/linux64Cray/cProf

+cDBUG       = -pg
+cOPT        = -O2

wmake/rules/linux64Cray/general

+CPP        = cpp -traditional-cpp $(GFLAGS)
+
+PROJECT_LIBS = -l$(WM_PROJECT) -ldl
+
+include $(GENERAL_RULES)/standard
+
+# include $(DEFAULT_RULES)/openmp
+include $(DEFAULT_RULES)/c
+include $(DEFAULT_RULES)/c++

wmake/rules/linux64Cray/mplibINTELMPI

+PFLAGS     = -DMPICH_SKIP_MPICXX
+PINC       = -isystem $(MPI_ARCH_PATH)/include64
+PLIBS      = -L$(MPI_ARCH_PATH)/lib64 -lmpi

wmake/rules/linux64Cray/openmp

+# Flags for compiling/linking openmp
+
+COMP_OPENMP = -DUSE_OMP -fopenmp
+LINK_OPENMP = -lgomp