diff --git a/.daisy/workflow-openfoam.yml b/.daisy/workflow-openfoam.yml
new file mode 100644
index 0000000000..78583be5d4
--- /dev/null
+++ b/.daisy/workflow-openfoam.yml
@@ -0,0 +1,75 @@
+on:
+  pull_request:
+    types: [opened, reopened, synchronize, ready_for_review]
+
+parameters:
+  timeout: 360
+  partitions:
+    - chamomile
+
+steps:
+  build: |
+
+    sudo apt-get update
+    sudo apt-get install -y build-essential libopenmpi-dev zlib1g-dev gnuplot gnuplot-x11 libxt-dev cmake flex
+    sudo apt-get install -y libxml2-dev libhdf5-dev libavfilter-dev libtheora-dev libgl2ps-dev libx11-dev libqt5x11extras5-dev libglew-dev libutfcpp-dev 
+  
+    export WM_PROJECT_DIR=`pwd`
+    . etc/custom_bashrc 
+    ./wmake/wmakeLnIncludeAll
+
+    ./Allwmake -j128
+
+    cd ${WM_PROJECT_DIR}/tutorials/incompressibleFluid/cavity
+    ${FOAM_APPBIN}/blockMesh
+    cd ${WM_PROJECT_DIR}
+
+  run:
+    cavity:
+      command: bin/foamRun -case ./tutorials/incompressibleFluid/cavity 
+      measurements: 5
+      profiler: perf
+      env:
+        FOAM_APP: "/workspace/applications"
+        FOAM_APPBIN: "/workspace/platforms/linux64GccSPInt32Opt/bin"
+        FOAM_EXT_LIBBIN: "/workspace/ThirdParty-dev/platforms/linux64GccSPInt32/lib"
+        FOAM_INST_DIR: "/"
+        FOAM_LIBBIN: "/workspace/platforms/linux64GccSPInt32Opt/lib"
+        FOAM_MODULES: "/workspace/applications/modules"
+        FOAM_MPI: "openmpi-system"
+        FOAM_PROJECT_DIR: "/workspace"
+        FOAM_SOLVERS: "/workspace/applications/solvers"
+        FOAM_SRC: "/workspace/src"
+        FOAM_TUTORIALS: "/workspace/tutorials"
+        FOAM_USER_APPBIN: "/platforms/linux64GccSPInt32Opt/bin"
+        FOAM_USER_LIBBIN: "/platforms/linux64GccSPInt32Opt/lib"
+        FOAM_UTILITIES: "/workspace/applications/utilities"
+        WM_ARCH: "linux64"
+        WM_ARCH_OPTION: "64"
+        WM_CC: "gcc"
+        WM_CFLAGS: "-m64 -fPIC -g"
+        WM_COMPILER: "Gcc"
+        WM_COMPILER_LIB_ARCH: "64"
+        WM_COMPILE_OPTION: "Opt"
+        WM_CXX: "g++"
+        WM_CXXFLAGS: "-m64 -fPIC -std: c++0x -g"
+        WM_DIR: "/workspace/wmake"
+        WM_LABEL_OPTION: "Int32"
+        WM_LABEL_SIZE: "32"
+        WM_LDFLAGS: "-m64"
+        WM_LINK_LANGUAGE: "c++"
+        WM_MPLIB: NONE #"SYSTEMOPENMPI"
+        WM_OPTIONS: "linux64GccSPInt32Opt"
+        WM_OSTYPE: "POSIX"
+        WM_PRECISION_OPTION: "SP"
+        WM_PROJECT: "OpenFOAM"
+        WM_PROJECT_DIR: "/workspace"
+        WM_PROJECT_INST_DIR: "/"
+        WM_THIRD_PARTY_DIR: "/workspace/ThirdParty-dev"
+        SCOTCH_TYPE: none #ThirdParty
+        METIS_TYPE: none
+        PARMETIS_TYPE: none
+        ZOLTAN_TYPE: none #ThirdParty
+        PATH: $PATH:/workspace/wmake
+        LD_LIBRARY_PATH: /usr/lib/x86_64-linux-gnu:/usr/local/lib:/usr/local/lib64:/usr/local/papi/lib:/usr/local/cuda-12.8/lib64:/workspace/platforms/linux64GccSPInt32Opt/lib:/workspace/platforms/linux64GccSPInt32Opt/lib/dummy
+        LIBRARY_PATH: /usr/local/lib
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..9fe2969c35
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "ThirdParty-dev"]
+	path = ThirdParty-dev
+	url = https://github.com/OpenFOAM/ThirdParty-dev.git
diff --git a/ThirdParty-dev b/ThirdParty-dev
new file mode 160000
index 0000000000..cda87f9aca
--- /dev/null
+++ b/ThirdParty-dev
@@ -0,0 +1 @@
+Subproject commit cda87f9acaca25952d17d96140fb9662c19642f2
diff --git a/applications/modules/compressibleVoF/alphaSuSp.C b/applications/modules/compressibleVoF/alphaSuSp.C
index fdf6721aee..6260584b88 100644
--- a/applications/modules/compressibleVoF/alphaSuSp.C
+++ b/applications/modules/compressibleVoF/alphaSuSp.C
@@ -71,9 +71,9 @@ void Foam::solvers::compressibleVoF::alphaSuSp
         if (vDot[celli] > 0.0)
         {
             Sp[celli] -=
-                vDot[celli]/max(1.0 - alpha1[celli], vDotResidualAlpha);
+                vDot[celli]/max(scalar(1.0) - alpha1[celli], vDotResidualAlpha);
             Su[celli] +=
-                vDot[celli]/max(1.0 - alpha1[celli], vDotResidualAlpha);
+                vDot[celli]/max(scalar(1.0) - alpha1[celli], vDotResidualAlpha);
         }
         else if (vDot[celli] < 0.0)
         {
diff --git a/applications/solvers/foamRun/Make/files b/applications/solvers/foamRun/Make/files
index 2b1fee90a9..49a77cadbe 100644
--- a/applications/solvers/foamRun/Make/files
+++ b/applications/solvers/foamRun/Make/files
@@ -1,4 +1,4 @@
 setDeltaT.C
 foamRun.C
 
-EXE = $(FOAM_APPBIN)/foamRun
+EXE = $(WM_PROJECT_DIR)/bin/foamRun
diff --git a/etc/bashrc b/etc/bashrc
index ab3da4c50d..0ad04ed4ef 100644
--- a/etc/bashrc
+++ b/etc/bashrc
@@ -47,10 +47,13 @@ export WM_PROJECT_VERSION=dev
 if [ -n "$bashrcFile" ]
 then
     export FOAM_INST_DIR=$(cd $(dirname $bashrcFile)/../.. && pwd -P)
+    export FOAM_PROJECT_DIR=$(cd $(dirname $bashrcFile)/.. && pwd -P)
 else
-    export FOAM_INST_DIR=$HOME/$WM_PROJECT
+    export FOAM_INST_DIR=$(cd $(dirname $0)/.. && pwd -P)
+    export FOAM_PROJECT_DIR=$(cd $(dirname $0) && pwd -P)
 fi
 unset bashrcFile
+echo ${FOAM_INST_DIR}
 #
 # Please set to the appropriate path if the above default is not correct. E.g.,
 #
@@ -71,9 +74,10 @@ export WM_COMPILER_TYPE=system
 
 #- Compiler:
 #    WM_COMPILER = Gcc | Gcc48 ... Gcc62 | Clang | Icx
-export WM_COMPILER=Gcc
+export WM_COMPILER=DOCC # Clang #Gcc
 unset WM_COMPILER_ARCH WM_COMPILER_LIB_ARCH
 
+echo $WM_COMPILER
 #- Memory addressing:
 #    On a 64bit OS this can be 32bit or 64bit
 #    On a 32bit OS addressing is 32bit and this option is not used
@@ -82,11 +86,11 @@ export WM_ARCH_OPTION=64
 
 #- Precision:
 #    WM_PRECISION_OPTION = SP | DP | LP
-export WM_PRECISION_OPTION=DP
+export WM_PRECISION_OPTION=SP
 
 #- Label size:
 #    WM_LABEL_SIZE = 32 | 64
-export WM_LABEL_SIZE=32
+export WM_LABEL_SIZE=64
 
 #- Optimised, debug, profiling:
 #    WM_COMPILE_OPTION = Opt | Debug | Prof
@@ -95,7 +99,7 @@ export WM_COMPILE_OPTION=Opt
 #- MPI implementation:
 #    WM_MPLIB = SYSTEMOPENMPI | OPENMPI | SYSTEMMPI | MPICH | MPICH-GM | HPMPI
 #               | MPI | FJMPI | QSMPI | SGIMPI | INTELMPI
-export WM_MPLIB=SYSTEMOPENMPI
+export WM_MPLIB=NONE #SYSTEMOPENMPI
 
 #- Operating System:
 #    WM_OSTYPE = POSIX | ???
@@ -103,13 +107,13 @@ export WM_OSTYPE=POSIX
 
 #- Decomposition libraries:
 #    <library>_TYPE = none | system | ThirdParty (OpenFOAM)
-export SCOTCH_TYPE=ThirdParty
+export SCOTCH_TYPE=none #ThirdParty
 export METIS_TYPE=none
 export PARMETIS_TYPE=none
-export ZOLTAN_TYPE=ThirdParty
+export ZOLTAN_TYPE=none #ThirdParty
 
 #    ParaView_TYPE = none | system | paraviewopenfoam | ThirdParty (OpenFOAM)
-export ParaView_TYPE=system
+export ParaView_TYPE=none
 
 #- Floating-point signal handling:
 #    set or unset
@@ -130,8 +134,10 @@ foamOldDirs="$WM_PROJECT_DIR $WM_THIRD_PARTY_DIR \
 # Location of installation
 # ~~~~~~~~~~~~~~~~~~~~~~~~
 export WM_PROJECT_INST_DIR=$FOAM_INST_DIR
-export WM_PROJECT_DIR=$WM_PROJECT_INST_DIR/$WM_PROJECT-$WM_PROJECT_VERSION
+export WM_PROJECT_DIR=$FOAM_PROJECT_DIR
+ #$WM_PROJECT_INST_DIR/$WM_PROJECT-$WM_PROJECT_VERSION
 
+echo $WM_PROJECT_DIR
 if [ -d "$WM_PROJECT_DIR" ]
 then
     WM_PROJECT_DIR_REAL=$(cd $WM_PROJECT_DIR && pwd -P)
@@ -172,9 +178,9 @@ _foamParams $@
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 if [ ${WM_THIRD_PARTY%%/*} = ${WM_PROJECT_DIR##*/} ]
 then
-    export WM_THIRD_PARTY_DIR=$WM_PROJECT_INST_DIR/$WM_THIRD_PARTY
+    export WM_THIRD_PARTY_DIR=$WM_PROJECT_DIR/$WM_THIRD_PARTY
 else
-    export WM_THIRD_PARTY_DIR=$WM_PROJECT_INST_DIR/$WM_THIRD_PARTY-$WM_PROJECT_VERSION
+    export WM_THIRD_PARTY_DIR=$WM_PROJECT_DIR/$WM_THIRD_PARTY-$WM_PROJECT_VERSION
 fi
 
 if [ -d "$WM_THIRD_PARTY_DIR" ]
diff --git a/etc/config.sh/compiler b/etc/config.sh/compiler
index fd25d200e2..79bc8ed0da 100644
--- a/etc/config.sh/compiler
+++ b/etc/config.sh/compiler
@@ -37,6 +37,8 @@ OpenFOAM | ThirdParty)
     gmp_version=gmp-5.1.2
     mpfr_version=mpfr-3.1.2
     mpc_version=mpc-1.0.1
+   
+   echo $WM_COMPILER
 
     case "$WM_COMPILER" in
     Gcc55)
@@ -62,10 +64,14 @@ OpenFOAM | ThirdParty)
         ;;
     Clang)
         # Using clang - not gcc
-        export WM_CC='clang'
-        export WM_CXX='clang++'
+        export WM_CC='clang-15'
+        export WM_CXX='clang++-15'
         clang_version=llvm-3.7.0
         ;;
+    DOCC)
+        export WM_CC='docc'
+        export WM_CXX='docc-cpp'
+        ;;
     *)
         /bin/cat <<USAGE 1>&2
 
diff --git a/etc/custom_bashrc b/etc/custom_bashrc
new file mode 100644
index 0000000000..370cdd9e8e
--- /dev/null
+++ b/etc/custom_bashrc
@@ -0,0 +1,48 @@
+
+    
+    export FOAM_APP="$WM_PROJECT_DIR/applications"
+    export FOAM_APPBIN="$WM_PROJECT_DIR/platforms/linux64GccSPInt32Opt/bin"
+    export FOAM_EXT_LIBBIN="$WM_PROJECT_DIR/ThirdParty-dev/platforms/linux64GccSPInt32/lib"
+    export FOAM_INST_DIR="/"
+    export FOAM_LIBBIN="$WM_PROJECT_DIR/platforms/linux64GccSPInt32Opt/lib"
+    export FOAM_MODULES="$WM_PROJECT_DIR/applications/modules"
+    export FOAM_MPI="openmpi-system"
+    export FOAM_PROJECT_DIR="$WM_PROJECT_DIR"
+    export FOAM_SOLVERS="$WM_PROJECT_DIR/applications/solvers"
+    export FOAM_SRC="$WM_PROJECT_DIR/src"
+    export FOAM_TUTORIALS="$WM_PROJECT_DIR/tutorials"
+    export FOAM_USER_APPBIN="/platforms/linux64GccSPInt32Opt/bin"
+    export FOAM_USER_LIBBIN="/platforms/linux64GccSPInt32Opt/lib"
+    export FOAM_UTILITIES="$WM_PROJECT_DIR/applications/utilities"
+
+    export  WM_ARCH="linux64"
+    export  WM_ARCH_OPTION="64"
+    export  WM_CC="gcc"
+    export  WM_CFLAGS="-m64 -fPIC -g"
+    export  WM_COMPILER="Gcc"
+    export  WM_COMPILER_LIB_ARCH="64"
+    export  WM_COMPILE_OPTION="Opt"
+    export  WM_CXX="g++"
+    export  WM_CXXFLAGS="-m64 -fPIC -std=c++0x -g"
+    export  WM_DIR="$WM_PROJECT_DIR/wmake"
+    export  WM_LABEL_OPTION="Int32"
+    export  WM_LABEL_SIZE="32"
+    export  WM_LDFLAGS="-m64"
+    export  WM_LINK_LANGUAGE="c++"
+    export  WM_MPLIB=NONE #"SYSTEMOPENMPI"
+    export  WM_OPTIONS="linux64GccSPInt32Opt"
+    export  WM_OSTYPE="POSIX"
+    export  WM_PRECISION_OPTION="SP"
+    export  WM_PROJECT="OpenFOAM"
+    export  WM_PROJECT_INST_DIR="/"
+    export  WM_THIRD_PARTY_DIR="$WM_PROJECT_DIR/ThirdParty-dev"
+
+    export SCOTCH_TYPE=none #ThirdParty
+    export METIS_TYPE=none
+    export PARMETIS_TYPE=none
+    export ZOLTAN_TYPE=none #ThirdParty
+
+    
+    export PATH=$PATH:$WM_PROJECT_DIR/wmake
+    export LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu:/usr/local/lib:/usr/local/lib64:/usr/local/papi/lib:/usr/local/cuda-12.8/lib64:$WM_PROJECT_DIR/platforms/linux64GccSPInt32Opt/lib:$WM_PROJECT_DIR/platforms/linux64GccSPInt32Opt/lib/dummy
+    export LIBRARY_PATH=/usr/local/lib
diff --git a/src/functionObjects/solvers/scalarTransport/scalarTransport.C b/src/functionObjects/solvers/scalarTransport/scalarTransport.C
index b53d43aac9..f72268c758 100644
--- a/src/functionObjects/solvers/scalarTransport/scalarTransport.C
+++ b/src/functionObjects/solvers/scalarTransport/scalarTransport.C
@@ -489,7 +489,7 @@ void Foam::functionObjects::scalarTransport::solveMULES()
                     volScalarField::New
                     (
                         "cnBDCoeff",
-                        max(cnCoeff, 1.0 - 1.0/max(Co, 2.0)),
+                        max(cnCoeff, scalar(1.0) - scalar(1.0)/max(Co, scalar(2.0))),
                         zeroGradientFvPatchField<scalar>::typeName
                     )
                 )
diff --git a/tutorials/incompressibleFluid/propeller/Allmesh b/tutorials/incompressibleFluid/propeller/Allmesh
index 8dbc8a79ed..0fe975aa4f 100755
--- a/tutorials/incompressibleFluid/propeller/Allmesh
+++ b/tutorials/incompressibleFluid/propeller/Allmesh
@@ -8,19 +8,19 @@ cd ${0%/*} || exit 1    # Run from this directory
 cp $FOAM_TUTORIALS/resources/geometry/propeller*.obj.gz constant/geometry/
 
 # Mesh in parallel
-runApplication blockMesh
-runApplication surfaceFeatures
-runApplication decomposePar -noFields
-runParallel snappyHexMesh -overwrite
+${FOAM_APPBIN}/blockMesh
+${FOAM_APPBIN}/surfaceFeatures
+${FOAM_APPBIN}/decomposePar -noFields
+${FOAM_APPBIN}/snappyHexMesh -overwrite
 
 # Create the sliding patches
-runParallel createBaffles -overwrite
-runParallel splitBaffles -overwrite
+${FOAM_APPBIN}/createBaffles -overwrite
+${FOAM_APPBIN}/splitBaffles -overwrite
 
 # Renumber
-runParallel renumberMesh -noFields -overwrite
+${FOAM_APPBIN}/renumberMesh -noFields -overwrite
 
 # Create non-conformal couples
-runParallel createNonConformalCouples -overwrite nonCouple1 nonCouple2
+${FOAM_APPBIN}/createNonConformalCouples -overwrite nonCouple1 nonCouple2
 
 #------------------------------------------------------------------------------
diff --git a/tutorials/incompressibleFluid/propeller/system/controlDict b/tutorials/incompressibleFluid/propeller/system/controlDict
index c3b09d08ac..5464ccbae5 100644
--- a/tutorials/incompressibleFluid/propeller/system/controlDict
+++ b/tutorials/incompressibleFluid/propeller/system/controlDict
@@ -22,7 +22,7 @@ startTime       0;
 
 stopAt          endTime;
 
-endTime         0.1;
+endTime         0.01;
 
 deltaT          1e-5;
 writeControl    adjustableRunTime;
diff --git a/wmake/rules/linux64Clang/c b/wmake/rules/linux64Clang/c
index b743e3f68c..fc9f5c4b37 100644
--- a/wmake/rules/linux64Clang/c
+++ b/wmake/rules/linux64Clang/c
@@ -2,7 +2,7 @@ SUFFIXES += .c
 
 cWARN        = -Wall
 
-cc          = clang -m64
+cc          = clang-15 -m64
 
 include $(DEFAULT_RULES)/c$(WM_COMPILE_OPTION)
 
diff --git a/wmake/rules/linux64Clang/c++ b/wmake/rules/linux64Clang/c++
index fe76c92623..517ce127b5 100644
--- a/wmake/rules/linux64Clang/c++
+++ b/wmake/rules/linux64Clang/c++
@@ -8,7 +8,7 @@ c++WARN     = -Wall -Wextra -Wold-style-cast -Wnon-virtual-dtor \
 c++LESSWARN = -Wno-old-style-cast -Wno-unused-local-typedefs \
               -Wno-tautological-undefined-compare -Wno-shift-negative-value
 
-CC          = clang++ -std=c++14 -m64
+CC          = clang++-15 -std=c++14 -m64
 
 include $(DEFAULT_RULES)/c++$(WM_COMPILE_OPTION)
 
diff --git a/wmake/rules/linux64DOCC/c b/wmake/rules/linux64DOCC/c
new file mode 100644
index 0000000000..999ae91c7d
--- /dev/null
+++ b/wmake/rules/linux64DOCC/c
@@ -0,0 +1,16 @@
+SUFFIXES += .c
+
+cWARN        = -Wall
+
+cc          = docc -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
diff --git a/wmake/rules/linux64DOCC/c++ b/wmake/rules/linux64DOCC/c++
new file mode 100644
index 0000000000..bf6ea619a9
--- /dev/null
+++ b/wmake/rules/linux64DOCC/c++
@@ -0,0 +1,28 @@
+SUFFIXES += .C
+
+c++WARN     = -Wall -Wextra -Wold-style-cast -Wnon-virtual-dtor \
+              -Wno-unused-parameter -Wno-invalid-offsetof \
+              -Wno-undefined-var-template -Wno-unqualified-std-cast-call
+
+# Suppress some warnings for flex++
+c++LESSWARN = -Wno-old-style-cast -Wno-unused-local-typedefs \
+              -Wno-tautological-undefined-compare -Wno-shift-negative-value
+
+CC          = docc-cpp -std=c++14 -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
+LINKEXE     = $(CC) $(c++FLAGS) -Xlinker --add-needed
diff --git a/wmake/rules/linux64DOCC/c++Debug b/wmake/rules/linux64DOCC/c++Debug
new file mode 100644
index 0000000000..1c63335a3f
--- /dev/null
+++ b/wmake/rules/linux64DOCC/c++Debug
@@ -0,0 +1,2 @@
+c++DBUG    = -g -DFULLDEBUG
+c++OPT      = -O0
diff --git a/wmake/rules/linux64DOCC/c++Opt b/wmake/rules/linux64DOCC/c++Opt
new file mode 100644
index 0000000000..2aedabd628
--- /dev/null
+++ b/wmake/rules/linux64DOCC/c++Opt
@@ -0,0 +1,2 @@
+c++DBUG     =
+c++OPT      = -O3
diff --git a/wmake/rules/linux64DOCC/c++Prof b/wmake/rules/linux64DOCC/c++Prof
new file mode 100644
index 0000000000..3bda4dad55
--- /dev/null
+++ b/wmake/rules/linux64DOCC/c++Prof
@@ -0,0 +1,2 @@
+c++DBUG    = -pg
+c++OPT     = -O2
diff --git a/wmake/rules/linux64DOCC/cDebug b/wmake/rules/linux64DOCC/cDebug
new file mode 100644
index 0000000000..7b7adf10de
--- /dev/null
+++ b/wmake/rules/linux64DOCC/cDebug
@@ -0,0 +1,2 @@
+cDBUG       = -g -DFULLDEBUG
+cOPT        = -O0
diff --git a/wmake/rules/linux64DOCC/cOpt b/wmake/rules/linux64DOCC/cOpt
new file mode 100644
index 0000000000..17318709f1
--- /dev/null
+++ b/wmake/rules/linux64DOCC/cOpt
@@ -0,0 +1,2 @@
+cDBUG       =
+cOPT        = -O3
diff --git a/wmake/rules/linux64DOCC/cProf b/wmake/rules/linux64DOCC/cProf
new file mode 100644
index 0000000000..ca3ac9bf5f
--- /dev/null
+++ b/wmake/rules/linux64DOCC/cProf
@@ -0,0 +1,2 @@
+cDBUG       = -pg
+cOPT        = -O2
diff --git a/wmake/rules/linux64DOCC/general b/wmake/rules/linux64DOCC/general
new file mode 100644
index 0000000000..65aabcd70a
--- /dev/null
+++ b/wmake/rules/linux64DOCC/general
@@ -0,0 +1,8 @@
+LD         = docc-cpp # -melf_i386
+
+PROJECT_LIBS = -l$(WM_PROJECT) -ldl
+
+include $(GENERAL_RULES)/standard
+
+include $(DEFAULT_RULES)/c
+include $(DEFAULT_RULES)/c++
diff --git a/wmake/rules/linuxClang/c b/wmake/rules/linuxClang/c
index 2c8e8a7f9c..5e0a40ea14 100644
--- a/wmake/rules/linuxClang/c
+++ b/wmake/rules/linuxClang/c
@@ -2,7 +2,7 @@ SUFFIXES += .c
 
 cWARN        = -Wall
 
-cc          = clang -m32
+cc          = clang-15 -m32
 
 include $(DEFAULT_RULES)/c$(WM_COMPILE_OPTION)
 
diff --git a/wmake/rules/linuxClang/c++ b/wmake/rules/linuxClang/c++
index f76912152b..abbabc2c81 100644
--- a/wmake/rules/linuxClang/c++
+++ b/wmake/rules/linuxClang/c++
@@ -8,7 +8,7 @@ c++WARN     = -Wall -Wextra -Wold-style-cast -Wnon-virtual-dtor \
 c++LESSWARN = -Wno-old-style-cast -Wno-unused-local-typedefs \
               -Wno-tautological-undefined-compare -Wno-shift-negative-value
 
-CC          = clang++ -std=c++14 -m32
+CC          = clang++-15 -std=c++14 -m32
 
 include $(DEFAULT_RULES)/c++$(WM_COMPILE_OPTION)
 
diff --git a/wmake/rules/linuxDOCC/c b/wmake/rules/linuxDOCC/c
new file mode 100644
index 0000000000..69b2ddc8a1
--- /dev/null
+++ b/wmake/rules/linuxDOCC/c
@@ -0,0 +1,16 @@
+SUFFIXES += .c
+
+cWARN        = -Wall
+
+cc          = docc -mllvm -hotspot -m32
+
+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 -ldaisy_rtl
diff --git a/wmake/rules/linuxDOCC/c++ b/wmake/rules/linuxDOCC/c++
new file mode 100644
index 0000000000..88baac70c3
--- /dev/null
+++ b/wmake/rules/linuxDOCC/c++
@@ -0,0 +1,28 @@
+SUFFIXES += .C
+
+c++WARN     = -Wall -Wextra -Wold-style-cast -Wnon-virtual-dtor \
+              -Wno-unused-parameter -Wno-invalid-offsetof \
+              -Wno-undefined-var-template -Wno-unqualified-std-cast-call
+
+# Suppress some warnings for flex++
+c++LESSWARN = -Wno-old-style-cast -Wno-unused-local-typedefs \
+              -Wno-tautological-undefined-compare -Wno-shift-negative-value
+
+CC          = docc-cpp -std=c++14 -m32
+
+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 -mllvm -hotspot
+
+Ctoo        = $(WM_SCHEDULER) $(CC) $(c++FLAGS) -c $< -o $@
+cxxtoo      = $(Ctoo)
+cctoo       = $(Ctoo)
+cpptoo      = $(Ctoo)
+
+LINK_LIBS   = $(c++DBUG)
+
+LINKLIBSO   = $(CC) $(c++FLAGS) -shared
+LINKEXE     = $(CC) $(c++FLAGS) -Xlinker --add-needed -ldaisy_rtl
diff --git a/wmake/rules/linuxDOCC/c++Debug b/wmake/rules/linuxDOCC/c++Debug
new file mode 100644
index 0000000000..1c63335a3f
--- /dev/null
+++ b/wmake/rules/linuxDOCC/c++Debug
@@ -0,0 +1,2 @@
+c++DBUG    = -g -DFULLDEBUG
+c++OPT      = -O0
diff --git a/wmake/rules/linuxDOCC/c++Opt b/wmake/rules/linuxDOCC/c++Opt
new file mode 100644
index 0000000000..2aedabd628
--- /dev/null
+++ b/wmake/rules/linuxDOCC/c++Opt
@@ -0,0 +1,2 @@
+c++DBUG     =
+c++OPT      = -O3
diff --git a/wmake/rules/linuxDOCC/c++Prof b/wmake/rules/linuxDOCC/c++Prof
new file mode 100644
index 0000000000..3bda4dad55
--- /dev/null
+++ b/wmake/rules/linuxDOCC/c++Prof
@@ -0,0 +1,2 @@
+c++DBUG    = -pg
+c++OPT     = -O2
diff --git a/wmake/rules/linuxDOCC/cDebug b/wmake/rules/linuxDOCC/cDebug
new file mode 100644
index 0000000000..7b7adf10de
--- /dev/null
+++ b/wmake/rules/linuxDOCC/cDebug
@@ -0,0 +1,2 @@
+cDBUG       = -g -DFULLDEBUG
+cOPT        = -O0
diff --git a/wmake/rules/linuxDOCC/cOpt b/wmake/rules/linuxDOCC/cOpt
new file mode 100644
index 0000000000..17318709f1
--- /dev/null
+++ b/wmake/rules/linuxDOCC/cOpt
@@ -0,0 +1,2 @@
+cDBUG       =
+cOPT        = -O3
diff --git a/wmake/rules/linuxDOCC/cProf b/wmake/rules/linuxDOCC/cProf
new file mode 100644
index 0000000000..ca3ac9bf5f
--- /dev/null
+++ b/wmake/rules/linuxDOCC/cProf
@@ -0,0 +1,2 @@
+cDBUG       = -pg
+cOPT        = -O2
diff --git a/wmake/rules/linuxDOCC/general b/wmake/rules/linuxDOCC/general
new file mode 100644
index 0000000000..b625cfb688
--- /dev/null
+++ b/wmake/rules/linuxDOCC/general
@@ -0,0 +1,8 @@
+LD         = ld -melf_i386
+
+PROJECT_LIBS = -l$(WM_PROJECT) -ldl
+
+include $(GENERAL_RULES)/standard
+
+include $(DEFAULT_RULES)/c
+include $(DEFAULT_RULES)/c++