ARM8 Gcc and Clang port

.gitignore

@@ -45,6 +45,7 @@ lnInclude
 linux*Gcc*/
 linux*Icc*/
 mingw*Gcc*/
+linuxARM*/
 darwin*Gcc*/
 darwin*Intel*/
 linuxming*/

etc/bashrc

@@ -91,6 +91,7 @@ export WM_THIRD_PARTY_DIR=$WM_PROJECT_DIR/ThirdParty
 # Use 'set' and 'unset' to adjust for your environent
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 # For AllMake.stage1
+export WM_THIRD_PARTY_USE_BISON_27=1
 #export WM_THIRD_PARTY_USE_CMAKE_322=1
 
 #
@@ -165,6 +166,7 @@ done
 : ${WM_COMPILER:=Gcc}; export WM_COMPILER
 #: ${WM_COMPILER:=Icc}; export WM_COMPILER
 #: ${WM_COMPILER:=Clang}; export WM_COMPILER
+#: ${WM_COMPILER:=Arm}; export WM_COMPILER
 
 export WM_COMPILER_ARCH=
 export WM_COMPILER_LIB_ARCH=
@@ -325,12 +327,28 @@ Linux)
         # This command will provide more details for your specific processor
         # gcc -c -Q -march=native -mtune=native --help=target
         WM_ARCH=linuxARM8
+        if [ "$WM_COMPILER" = "Gcc" ]
+        then
+            # https://gcc.gnu.org/onlinedocs/gcc/AArch64-Options.html
+            # This command will provide more details for your specific processor
+            # gcc -c -Q -march=native -mtune=native --help=target
             export WM_COMPILER_LIB_ARCH=64
             export WM_CC='gcc'
             export WM_CXX='g++'
             export WM_CFLAGS='-fPIC -march=native -mtune=native'
             export WM_CXXFLAGS='-fPIC -march=native -mtune=native'
             export WM_LDFLAGS=''
+        elif [ "$WM_COMPILER" = "Arm" ]
+        then
+            export WM_LDFLAGS=''
+            export WM_COMPILER_LIB_ARCH=64
+            export WM_CC='armclang'
+            export WM_CXX='armclang++'
+            export WM_CFLAGS='-fPIC'
+            export WM_CXXFLAGS='-fPIC'
+        else
+            echo "Unknown WM_COMPILER" $WM_COMPILER
+        fi
         ;;
 
     *)

etc/cshrc

@@ -77,6 +77,7 @@ setenv WM_THIRD_PARTY_DIR $WM_PROJECT_DIR/ThirdParty
 # This can be overriden in prefs.sh
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 # For AllMake.stage1
+setenv WM_THIRD_PARTY_USE_BISON_27 1
 #setenv WM_THIRD_PARTY_USE_CMAKE_322 1
 
 #
@@ -137,6 +138,8 @@ if ( ! $?WM_OSTYPE ) setenv WM_OSTYPE POSIX
 if ( ! $?WM_COMPILER ) setenv WM_COMPILER Gcc
 #setenv WM_COMPILER Gcc
 #setenv WM_COMPILER Icc
+#setenv WM_COMPILER Clang
+#setenv WM_COMPILER Arm
 
 setenv WM_COMPILER_ARCH
 setenv WM_COMPILER_LIB_ARCH
@@ -245,6 +248,29 @@ case Linux:
         echo Unknown processor type `uname -m` for Linux
         breaksw
 
+    aarch64)
+        WM_ARCH=linuxARM8
+        if ( $WM_COMPILER == "Gcc" )
+        then
+            setenv WM_COMPILER_LIB_ARCH 64
+            setenv WM_CC 'gcc'
+            setenv WM_CXX 'g++'
+            setenv WM_CFLAGS '-fPIC -march=native -mtune=native'
+            setenv WM_CXXFLAGS '-fPIC -march=native -mtune=native'
+            setenv WM_LDFLAGS ''
+        else if ( $WM_COMPILER == "Arm" )
+        then
+            setenv WM_LDFLAGS ''
+            setenv WM_COMPILER_LIB_ARCH 64
+            setenv WM_CC 'armclang'
+            setenv WM_CXX 'armclang++'
+            setenv WM_CFLAGS '-fPIC'
+            setenv WM_CXXFLAGS '-fPIC'
+        else
+            echo "Unknown WM_COMPILER" $WM_COMPILER
+        fi
+        ;;
+
     endsw
     breaksw
 

src/finiteVolume/finiteVolume/ddtSchemes/CrankNicolsonDdtScheme/CrankNicolsonDdtScheme.C

@@ -101,7 +101,7 @@ operator=(const GeoField& gf)
 
 template<class Type>
 template<class GeoField>
-CrankNicolsonDdtScheme<Type>::DDt0Field<GeoField>&
+typename CrankNicolsonDdtScheme<Type>::template DDt0Field<GeoField>&
 CrankNicolsonDdtScheme<Type>::ddt0_
 (
     const word& name,

src/foam/memory/tmp/tmp.H

@@ -38,7 +38,7 @@ SourceFiles
 #include "refCount.H"
 #include <cstddef>
 
-#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(darwin)
+#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(darwin) && !defined(ARM_CLANG)
 #   define ConstructFromTmp
 #endif
 

wmake/rules/linuxARM8Arm/c

@@ -0,0 +1,16 @@
+.SUFFIXES: .c .h
+
+cWARN        = -Wall
+
+cc          = armclang
+
+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/linuxARM8Arm/c++

@@ -0,0 +1,21 @@
+.SUFFIXES: .C .cxx .cc .cpp
+
+c++WARN     = -Wall -Wextra -Wno-unused-parameter -Wold-style-cast -Wno-undefined-var-template -Wno-deprecated-register -Wno-overloaded-virtual -Wno-null-dereference
+
+CC          = armclang++ -std=c++11 -DARM_CLANG
+
+include $(RULES)/c++$(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 $$SOURCE -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/linuxARM8Arm/c++Debug

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

wmake/rules/linuxARM8Arm/c++Opt

@@ -0,0 +1,2 @@
+c++DBUG     =
+c++OPT      = -O3 -march=armv8.1-a -mtune=thunderx2t99

wmake/rules/linuxARM8Arm/c++Prof

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

wmake/rules/linuxARM8Arm/cDebug

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

wmake/rules/linuxARM8Arm/cOpt

@@ -0,0 +1,2 @@
+cDBUG       =
+cOPT        = -O3 -march=armv8.1-a -mtune=thunderx2t99

wmake/rules/linuxARM8Arm/cProf

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

wmake/rules/linuxARM8Arm/general

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

wmake/rules/linuxARM8Arm/mplibOPENMPI

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

wmake/rules/linuxARM8Arm/mplibSYSTEMOPENMPI

@@ -0,0 +1,4 @@
+PFLAGS     = -DOMPI_SKIP_MPICXX
+PINC       = -I$(MPI_ARCH_PATH)/include
+PLIBS      = -L$(MPI_ARCH_PATH)/lib -lmpi
+