ENH: add settings/rules for clang-2.8

etc/settings.csh

@@ -108,6 +108,12 @@ case OpenFOAM:
         set gmp_version=gmp-4.2.4
         set mpfr_version=mpfr-2.4.1
         breaksw
+    case Clang:
+        # using clang - not gcc
+        setenv WM_CC 'clang'
+        setenv WM_CXX 'clang++'
+        set clang_version=llvm-2.8
+        breaksw
     default:
         echo
         echo "Warning in $WM_PROJECT_DIR/etc/settings.csh:"
@@ -159,6 +165,25 @@ case OpenFOAM:
     endif
     unset gcc_version gccDir
     unset gmp_version gmpDir  mpfr_version mpfrDir  mpc_version mpcDir
+
+    if ( $?clang_version ) then
+        set clangDir=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER_ARCH/$clang_version
+
+        # Check that the compiler directory can be found
+        if ( ! -d "$clangDir" ) then
+            echo
+            echo "Warning in $WM_PROJECT_DIR/etc/settings.csh:"
+            echo "    Cannot find $clangDir installation."
+            echo "    Please install this compiler version or if you wish to use the system compiler,"
+            echo "    change the 'compilerInstall' setting to 'system' in this file"
+            echo
+        endif
+
+        _foamAddMan     $clangDir/man
+        _foamAddPath    $clangDir/bin
+    endif
+    unset clang_version clangDir
+
     breaksw
 endsw
 

etc/settings.sh

@@ -131,6 +131,12 @@ OpenFOAM)
         gmp_version=gmp-4.2.4
         mpfr_version=mpfr-2.4.1
         ;;
+    Clang)
+        # using clang - not gcc
+        export WM_CC='clang'
+        export WM_CXX='clang++'
+        clang_version=llvm-2.8
+        ;;
     *)
         echo
         echo "Warning in $WM_PROJECT_DIR/etc/settings.sh:"
@@ -183,6 +189,25 @@ OpenFOAM)
     fi
     unset gcc_version gccDir
     unset gmp_version gmpDir  mpfr_version mpfrDir  mpc_version mpcDir
+
+    if [ -n "$clang_version" ]
+    then
+        clangDir=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER_ARCH/$clang_version
+
+        # Check that the compiler directory can be found
+        [ -d "$clangDir" ] || {
+            echo
+            echo "Warning in $WM_PROJECT_DIR/etc/settings.sh:"
+            echo "    Cannot find $clangDir installation."
+            echo "    Please install this compiler version or if you wish to use the system compiler,"
+            echo "    change the 'compilerInstall' setting to 'system' in this file"
+            echo
+        }
+
+        _foamAddMan     $clangDir/share/man
+        _foamAddPath    $clangDir/bin
+    fi
+    unset clang_version clangDir
     ;;
 esac
 

wmake/rules/linux64Clang/c

@@ -0,0 +1,16 @@
+.SUFFIXES: .c .h
+
+cWARN        = -Wall
+
+cc          = clang -m64
+
+include $(RULES)/c$(WM_COMPILE_OPTION)
+
+cFLAGS      = $(GFLAGS) $(cWARN) $(cOPT) $(cDBUG) $(LIB_HEADER_DIRS) -fPIC
+
+ctoo        = $(WM_SCHEDULER) $(cc) $(cFLAGS) -c $$SOURCE -o $@
+
+LINK_LIBS   = $(cDBUG)
+
+LINKLIBSO   = $(cc) -shared
+LINKEXE     = $(cc) -Xlinker --add-needed -Xlinker -z -Xlinker nodefs

wmake/rules/linux64Clang/c++

@@ -0,0 +1,21 @@
+.SUFFIXES: .C .cxx .cc .cpp
+
+c++WARN     = -Wall -Wextra -Wno-unused-parameter -Wold-style-cast -Wnon-virtual-dtor
+
+CC          = clang++ -m64
+
+include $(RULES)/c++$(WM_COMPILE_OPTION)
+
+ptFLAGS     = -DNoRepository -ftemplate-depth-60
+
+c++FLAGS    = $(GFLAGS) $(c++WARN) $(c++OPT) $(c++DBUG) $(ptFLAGS) $(LIB_HEADER_DIRS) -fPIC
+
+Ctoo        = $(WM_SCHEDULER) $(CC) $(c++FLAGS) -c $$SOURCE -o $@
+cxxtoo      = $(Ctoo)
+cctoo       = $(Ctoo)
+cpptoo      = $(Ctoo)
+
+LINK_LIBS   = $(c++DBUG)
+
+LINKLIBSO   = $(CC) $(c++FLAGS) -shared
+LINKEXE     = $(CC) $(c++FLAGS) -Xlinker --add-needed

wmake/rules/linux64Clang/c++Debug

@@ -0,0 +1,2 @@
+c++DBUG    = -ggdb3 -DFULLDEBUG
+c++OPT      = -O0 -fdefault-inline

wmake/rules/linux64Clang/c++Opt

@@ -0,0 +1,3 @@
+#c++DBUG     = -O0 -DFULLDEBUG -g
+c++DBUG     =
+c++OPT      = -O3

wmake/rules/linux64Clang/c++Prof

@@ -0,0 +1,2 @@
+c++DBUG    = -pg
+c++OPT     = -O2

wmake/rules/linux64Clang/cDebug

@@ -0,0 +1,2 @@
+cDBUG       = -ggdb -DFULLDEBUG
+cOPT        = -O1 -fdefault-inline -finline-functions

wmake/rules/linux64Clang/cOpt

@@ -0,0 +1,2 @@
+cDBUG       =
+cOPT        = -O3

wmake/rules/linux64Clang/cProf

@@ -0,0 +1,2 @@
+cDBUG       = -pg
+cOPT        = -O2

wmake/rules/linux64Clang/general

@@ -0,0 +1,8 @@
+CPP        = cpp -traditional-cpp $(GFLAGS)
+
+PROJECT_LIBS = -l$(WM_PROJECT) -liberty -ldl
+
+include $(GENERAL_RULES)/standard
+
+include $(RULES)/c
+include $(RULES)/c++

wmake/rules/linux64Clang/mplibHPMPI

@@ -0,0 +1,3 @@
+PFLAGS     =
+PINC       = -I$(MPI_ARCH_PATH)/include -D_MPICC_H
+PLIBS      = -L$(MPI_ARCH_PATH)/lib/linux_amd64 -lmpi

wmake/rules/linuxClang/c

@@ -0,0 +1,16 @@
+.SUFFIXES: .c .h
+
+cWARN        = -Wall
+
+cc          = clang -m32
+
+include $(RULES)/c$(WM_COMPILE_OPTION)
+
+cFLAGS      = $(GFLAGS) $(cWARN) $(cOPT) $(cDBUG) $(LIB_HEADER_DIRS) -fPIC
+
+ctoo        = $(WM_SCHEDULER) $(cc) $(cFLAGS) -c $$SOURCE -o $@
+
+LINK_LIBS   = $(cDBUG)
+
+LINKLIBSO   = $(cc) -shared
+LINKEXE     = $(cc) -Xlinker --add-needed -Xlinker -z -Xlinker nodefs

wmake/rules/linuxClang/c++

@@ -0,0 +1,21 @@
+.SUFFIXES: .C .cxx .cc .cpp
+
+c++WARN     = -Wall -Wextra -Wno-unused-parameter -Wold-style-cast
+
+CC          = clang++ -m32
+
+include $(RULES)/c++$(WM_COMPILE_OPTION)
+
+ptFLAGS     = -DNoRepository -ftemplate-depth-60
+
+c++FLAGS    = $(GFLAGS) $(c++WARN) $(c++OPT) $(c++DBUG) $(ptFLAGS) $(LIB_HEADER_DIRS) -fPIC
+
+Ctoo        = $(WM_SCHEDULER) $(CC) $(c++FLAGS) -c $$SOURCE -o $@
+cxxtoo      = $(Ctoo)
+cctoo       = $(Ctoo)
+cpptoo      = $(Ctoo)
+
+LINK_LIBS   = $(c++DBUG)
+
+LINKLIBSO   = $(CC) $(c++FLAGS) -shared
+LINKEXE     = $(CC) $(c++FLAGS) -Xlinker --add-needed

wmake/rules/linuxClang/c++Debug

@@ -0,0 +1,2 @@
+c++DBUG    = -ggdb3 -DFULLDEBUG
+c++OPT      = -O0 -fdefault-inline

wmake/rules/linuxClang/c++Opt

@@ -0,0 +1,2 @@
+c++DBUG     =
+c++OPT      = -O3

wmake/rules/linuxClang/c++Prof

@@ -0,0 +1,2 @@
+c++DBUG    = -pg
+c++OPT     = -O2

wmake/rules/linuxClang/cDebug

@@ -0,0 +1,2 @@
+cDBUG       = -ggdb -DFULLDEBUG
+cOPT        = -O1 -fdefault-inline -finline-functions

wmake/rules/linuxClang/cOpt

@@ -0,0 +1,2 @@
+cDBUG       =
+cOPT        = -O3

wmake/rules/linuxClang/cProf

@@ -0,0 +1,2 @@
+cDBUG       = -pg
+cOPT        = -O2

wmake/rules/linuxClang/general

@@ -0,0 +1,9 @@
+CPP        = cpp -traditional-cpp $(GFLAGS)
+LD         = ld -melf_i386
+
+PROJECT_LIBS = -l$(WM_PROJECT) -liberty -ldl
+
+include $(GENERAL_RULES)/standard
+
+include $(RULES)/c
+include $(RULES)/c++

wmake/rules/linuxClang/mplibHPMPI

@@ -0,0 +1,3 @@
+PFLAGS     =
+PINC       = -I$(MPI_ARCH_PATH)/include -D_MPICC_H
+PLIBS      = -L$(MPI_ARCH_PATH)/lib/linux_ia32 -lmpi