CI: Clang 10->12

Update the Clang 10 build to Clang 12 in CI.

Author: ax3l

…/clang10_nopy_ompi_h5_ad1_ad2/spack.yaml …clang12_py38_nompi_h5_ad1_ad2/spack.yaml.github/ci/spack-envs/clang10_nopy_ompi_h5_ad1_ad2/spack.yaml renamed to .github/ci/spack-envs/clang12_py38_nompi_h5_ad1_ad2/spack.yaml .github/ci/spack-envs/clang10_nopy_ompi_h5_ad1_ad2/spack.yaml renamed to .github/ci/spack-envs/clang12_py38_nompi_h5_ad1_ad2/spack.yaml

@@ -15,19 +15,14 @@ spack:
     hdf5:
       variants: ~mpi
     adios:
-      variants: ~zfp ~sz ~lz4 ~blosc
+      variants: ~mpi ~zfp ~sz ~lz4 ~blosc
     adios2:
-      variants: ~zfp ~sz ~png ~dataman ~python ~fortran ~ssc ~shared ~bzip2
+      variants: ~mpi ~zfp ~sz ~png ~dataman ~python ~fortran ~ssc ~shared ~bzip2
     cmake:
       externals:
       - spec: "cmake"
         prefix: /usr
       buildable: False
-    openmpi:
-      externals:
-      - spec: "openmpi"
-        prefix: /usr
-      buildable: False
     perl:
       externals:
       - spec: "perl"
@@ -43,7 +38,7 @@ spack:
       variants: ~fortran
       providers:
         mpi: [openmpi]
-      compiler: [clang@10.0.0]
+      compiler: [clang@12.0.0]
 
   compilers:
   - compiler:
@@ -53,11 +48,11 @@ spack:
       modules: []
       operating_system: ubuntu20.04
       paths:
-        cc: /usr/lib/llvm-10/bin/clang
-        cxx: /usr/lib/llvm-10/bin/clang++
+        cc: /usr/lib/llvm-12/bin/clang
+        cxx: /usr/lib/llvm-12/bin/clang++
         f77: /usr/bin/gfortran
         fc: /usr/bin/gfortran
-      spec: clang@10.0.0
+      spec: clang@12.0.0
       target: x86_64
 
   config:

.github/workflows/linux.yml

@@ -106,29 +106,33 @@ jobs:
 # TODO
 #  clang6_py36_nompi_h5_ad1_ad2_libcpp
 
-  clang10_py38_nompi_h5_ad1_ad2_libcpp:
+  clang12_py38_nompi_h5_ad1_ad2:
     runs-on: ubuntu-20.04
     if: github.event.pull_request.draft == false
     steps:
     - uses: actions/checkout@v2
+    - name: Spack Cache
+      uses: actions/cache@v2
+      with: {path: /opt/spack, key: clang12_py38_nompi_h5_ad1_ad2 }
     - name: Install
       run: |
         sudo apt-get update
-        sudo apt-get install clang-10 libc++-dev libc++abi-dev libhdf5-dev python3
-        python3 -m pip install -U pip
-        python3 -m pip install -U numpy
-#       TODO ADIOS1 ADIOS2
+        sudo apt-get install clang-12 libhdf5-dev python3 python3-pip python3-numpy python3-pandas
+        sudo .github/workflows/dependencies/install_spack
     - name: Build
-      env: {CC: clang-10, CXX: clang++-10, CXXFLAGS: -Werror -Wno-deprecated-declarations}
-      # TODO
-      # , CXXFLAGS: -nostdinc++ -I/usr/include/c++/10 -I/usr/include/x86_64-linux-gnu/c++/10/, LDFLAGS: -stdlib=libc++ -lc++ -lc++abi}
+      env: {CC: clang-12, CXX: clang++-12, CXXFLAGS: -Werror -Wno-deprecated-declarations}
       run: |
+        eval $(spack env activate --sh .github/ci/spack-envs/clang12_py38_nompi_h5_ad1_ad2/)
+        spack install
+
         share/openPMD/download_samples.sh build
         chmod u-w build/samples/git-sample/*.h5
         cmake -S . -B build \
           -DopenPMD_USE_PYTHON=ON \
           -DopenPMD_USE_MPI=OFF   \
           -DopenPMD_USE_HDF5=ON   \
+          -DopenPMD_USE_ADIOS1=ON \
+          -DopenPMD_USE_ADIOS2=ON \
           -DopenPMD_USE_INVASIVE_TESTS=ON \
           -DCMAKE_VERBOSE_MAKEFILE=ON
         cmake --build build --parallel 2