diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 5dda954b..4d9288da 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -108,137 +108,140 @@ jobs:
   #         echo DATE=${{ needs.init.outputs.DATE }}
 
 
-  # distcheck:
-  #   needs: [init]
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #     - uses: actions/checkout@v2
+  distcheck:
+    needs: [init, chm]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
 
-  #     # @todo 
-  #     - name: chm
-  #       run: touch doc/phreeqc3.chm
+      - uses: actions/download-artifact@v2
+        with:
+          name: chm
 
-  #     - name: versioning
-  #       run: ./jenkins-dist.sh -v ${{ needs.init.outputs.VER }} -r ${{ needs.init.outputs.REL }} -d ${{ needs.init.outputs.DATE }}
+      - name: extract chm
+        run: unzip chm.zip -d doc/.
 
-  #     - name: doxygen
-  #       run: sudo apt-get install -y doxygen && cd doc && doxygen
+      - name: versioning
+        run: ./jenkins-dist.sh -v ${{ needs.init.outputs.VER }} -r ${{ needs.init.outputs.REL }} -d ${{ needs.init.outputs.DATE }}
 
-  #     - name: autoreconf
-  #       run: autoreconf -fvi
+      - name: doxygen
+        run: sudo apt-get install -y doxygen && cd doc && doxygen
 
-  #     - name: mkdir
-  #       run: mkdir _build
+      - name: autoreconf
+        run: autoreconf -fvi
 
-  #     - name: configure
-  #       working-directory: ${{github.workspace}}/_build
-  #       run: ../configure --prefix=$(pwd)/INSTALL
+      - name: mkdir
+        run: mkdir _build
 
-  #     - name: make
-  #       working-directory: ${{github.workspace}}/_build
-  #       run: make -j2 distcheck
+      - name: configure
+        working-directory: ${{github.workspace}}/_build
+        run: ../configure --prefix=$(pwd)/INSTALL
 
-  #     - name: convert
-  #       run: |
-  #         sudo apt install -y dos2unix
-  #         native="
-  #         doc/Makefile \
-  #         doc/examples/AccumulateLine.c \
-  #         doc/examples/CreateIPhreeqc.c \
-  #         doc/examples/F90ClearAccumulatedLines.f90 \
-  #         doc/examples/F90CreateIPhreeqc.f90 \
-  #         doc/examples/F90DestroyIPhreeqc.f90 \
-  #         doc/examples/F90GetComponent.f90 \
-  #         doc/examples/F90GetDumpStringLine.f90 \
-  #         doc/examples/F90GetSelectedOutputValue.f90 \
-  #         doc/examples/F90GetVersionString.f90 \
-  #         doc/examples/GetComponent.c \
-  #         doc/examples/GetDumpString.c \
-  #         doc/examples/GetSelectedOutputValue.c \
-  #         doc/examples/GetVersionString.c \
-  #         doc/examples/IPhreeqc.cpp \
-  #         doc/examples/Makefile \
-  #         doc/examples/phreeqc.dat \
-  #         src/CSelectedOutput.cpp \
-  #         src/CSelectedOutput.hxx \
-  #         src/CVar.hxx \
-  #         src/Debug.h \
-  #         src/ErrorReporter.hxx \
-  #         src/IPhreeqc.cpp \
-  #         src/IPhreeqc.f.inc \
-  #         src/IPhreeqc.f90.inc \
-  #         src/IPhreeqc.h \
-  #         src/IPhreeqc.hpp \
-  #         src/IPhreeqcCallbacks.h \
-  #         src/IPhreeqcF.f \
-  #         src/IPhreeqcLib.cpp \
-  #         src/IPhreeqc_interface.F90 \
-  #         src/IPhreeqc_interface_F.cpp \
-  #         src/IPhreeqc_interface_F.h \
-  #         src/Var.c \
-  #         src/Var.h \
-  #         src/Version.h \
-  #         src/fimpl.h \
-  #         src/fwrap.cpp \
-  #         src/fwrap.h \
-  #         src/fwrap1.cpp \
-  #         src/fwrap2.cpp \
-  #         src/fwrap3.cpp \
-  #         src/fwrap4.cpp \
-  #         src/fwrap5.cpp \
-  #         src/fwrap6.cpp \
-  #         src/fwrap7.cpp \
-  #         src/fwrap8.cpp \
-  #         src/pp_sys.cpp \
-  #         src/thread.h \
-  #         test/llnl.dat \
-  #         test/phreeqc.dat \
-  #         test2/Makefile \
-  #         test2/wateq4f.dat \
-  #         test5/Makefile \
-  #         test5/phreeqc.dat \
-  #         test5/test5.c \
-  #         tests/main_fortran.cxx \
-  #         tests/test_c.c \
-  #         tests/test_cxx.cxx \
-  #         tests/test_f90.F90 \
-  #         unit/TestCVar.cpp \
-  #         unit/TestCVar.h \
-  #         unit/TestInterface.cpp \
-  #         unit/TestInterface.h \
-  #         unit/TestSelectedOutput.cpp \
-  #         unit/TestSelectedOutput.h \
-  #         unit/TestVar.cpp \
-  #         unit/TestVar.h \
-  #         unit/llnl.dat.old \
-  #         unit/missing_e.dat \
-  #         unit/phreeqc.dat.old \
-  #         unit/unit.cpp"
-  #         for f in ${native}; do
-  #           unix2dos "${f}"
-  #         done
+      - name: make
+        working-directory: ${{github.workspace}}/_build
+        run: make -j2 distcheck
 
-  #     - name: dist-zip
-  #       working-directory: ${{github.workspace}}/_build
-  #       run: make dist-zip
+      - name: convert
+        run: |
+          sudo apt install -y dos2unix
+          native="
+          doc/Makefile \
+          doc/examples/AccumulateLine.c \
+          doc/examples/CreateIPhreeqc.c \
+          doc/examples/F90ClearAccumulatedLines.f90 \
+          doc/examples/F90CreateIPhreeqc.f90 \
+          doc/examples/F90DestroyIPhreeqc.f90 \
+          doc/examples/F90GetComponent.f90 \
+          doc/examples/F90GetDumpStringLine.f90 \
+          doc/examples/F90GetSelectedOutputValue.f90 \
+          doc/examples/F90GetVersionString.f90 \
+          doc/examples/GetComponent.c \
+          doc/examples/GetDumpString.c \
+          doc/examples/GetSelectedOutputValue.c \
+          doc/examples/GetVersionString.c \
+          doc/examples/IPhreeqc.cpp \
+          doc/examples/Makefile \
+          doc/examples/phreeqc.dat \
+          src/CSelectedOutput.cpp \
+          src/CSelectedOutput.hxx \
+          src/CVar.hxx \
+          src/Debug.h \
+          src/ErrorReporter.hxx \
+          src/IPhreeqc.cpp \
+          src/IPhreeqc.f.inc \
+          src/IPhreeqc.f90.inc \
+          src/IPhreeqc.h \
+          src/IPhreeqc.hpp \
+          src/IPhreeqcCallbacks.h \
+          src/IPhreeqcF.f \
+          src/IPhreeqcLib.cpp \
+          src/IPhreeqc_interface.F90 \
+          src/IPhreeqc_interface_F.cpp \
+          src/IPhreeqc_interface_F.h \
+          src/Var.c \
+          src/Var.h \
+          src/Version.h \
+          src/fimpl.h \
+          src/fwrap.cpp \
+          src/fwrap.h \
+          src/fwrap1.cpp \
+          src/fwrap2.cpp \
+          src/fwrap3.cpp \
+          src/fwrap4.cpp \
+          src/fwrap5.cpp \
+          src/fwrap6.cpp \
+          src/fwrap7.cpp \
+          src/fwrap8.cpp \
+          src/pp_sys.cpp \
+          src/thread.h \
+          test/llnl.dat \
+          test/phreeqc.dat \
+          test2/Makefile \
+          test2/wateq4f.dat \
+          test5/Makefile \
+          test5/phreeqc.dat \
+          test5/test5.c \
+          tests/main_fortran.cxx \
+          tests/test_c.c \
+          tests/test_cxx.cxx \
+          tests/test_f90.F90 \
+          unit/TestCVar.cpp \
+          unit/TestCVar.h \
+          unit/TestInterface.cpp \
+          unit/TestInterface.h \
+          unit/TestSelectedOutput.cpp \
+          unit/TestSelectedOutput.h \
+          unit/TestVar.cpp \
+          unit/TestVar.h \
+          unit/llnl.dat.old \
+          unit/missing_e.dat \
+          unit/phreeqc.dat.old \
+          unit/unit.cpp"
+          for f in ${native}; do
+            unix2dos "${f}"
+          done
 
-  #     - name: copy
-  #       run: cp doc/README IPhreeqc_ReadMe.txt
+      - name: dist-zip
+        working-directory: ${{github.workspace}}/_build
+        run: make dist-zip
 
-  #     - uses: actions/upload-artifact@v2
-  #       with:
-  #         name: readme
-  #         path: ${{github.workspace}}/IPhreeqc_ReadMe.txt
+      - name: copy
+        run: cp doc/README IPhreeqc_ReadMe.txt
 
-  #     - uses: actions/upload-artifact@v2
-  #       with:
-  #         name: tarball
-  #         path: ${{github.workspace}}/_build/*.tar.gz
+      - uses: actions/upload-artifact@v2
+        with:
+          name: readme
+          path: ${{github.workspace}}/IPhreeqc_ReadMe.txt
 
-  #     - uses: actions/upload-artifact@v2
-  #       with:
-  #         name: zipball
-  #         path: ${{github.workspace}}/_build/*.zip
+      - uses: actions/upload-artifact@v2
+        with:
+          name: tarball
+          path: ${{github.workspace}}/_build/*.tar.gz
+
+      - uses: actions/upload-artifact@v2
+        with:
+          name: zipball
+          path: ${{github.workspace}}/_build/*.zip
 
   # build:
   #   needs: [init]