test out CLANG github workflow

Author: DanecLacey

.github/workflows/single-platform.yml

@@ -35,7 +35,37 @@ jobs:
   #       -e 's/^(TOOLCHAIN[[:space:]]*\?=[[:space:]]*).*/\1GCC/' config.mk
   #       make
 
-  build_ICC_MPI:
+  # build_ICC_MPI:
+  #   runs-on: ubuntu-latest
+
+  #   steps:
+  #   - uses: actions/checkout@v4
+
+  #   - name: Set up Spack
+  #     uses: spack/setup-spack@v2
+  #     with:
+  #       ref: develop      # Spack version (examples: develop, releases/v0.23)
+  #       buildcache: true  # Configure oci://ghcr.io/spack/github-actions-buildcache
+  #       color: true       # Force color output (SPACK_COLOR=always)
+  #       path: spack       # Where to clone Spack
+
+  #   - name: Install Intel compiler/MPI
+  #     run: |
+  #       spack install -j 4 intel-oneapi-compilers
+  #       spack install -j 4 intel-oneapi-mpi
+
+  #   - name: Configure and Make ICC_MPI
+  #     run: |
+  #       . ./spack/share/spack/setup-env.sh
+  #       eval "$(spack load --sh intel-oneapi-compilers)"
+  #       eval "$(spack load --sh intel-oneapi-mpi)"
+  #       sed -E -i \
+  #       -e 's/^(ENABLE_MPI[[:space:]]*\?=[[:space:]]*).*/\1true/' \
+  #       -e 's/^(ENABLE_OPENMP[[:space:]]*\?=[[:space:]]*).*/\1false/' \
+  #       -e 's/^(TOOLCHAIN[[:space:]]*\?=[[:space:]]*).*/\1ICC/' config.mk
+  #       make
+
+  build_CLANG_MPI:
     runs-on: ubuntu-latest
 
     steps:
@@ -49,19 +79,18 @@ jobs:
         color: true       # Force color output (SPACK_COLOR=always)
         path: spack       # Where to clone Spack
 
-    - name: Install Intel compiler/MPI
+    - name: Install Clang compiler and OpenMPI
       run: |
-        spack install -j 4 intel-oneapi-compilers
-        spack install -j 4 intel-oneapi-mpi
+        spack install -j 4 llvm
+        spack install -j 4 spack install -j 4 openmpi
 
-    - name: Configure and Make ICC_MPI
+    - name: Configure and Make CLANG_MPI
       run: |
         . ./spack/share/spack/setup-env.sh
-        eval "$(spack load --sh intel-oneapi-compilers)"
-        eval "$(spack load --sh intel-oneapi-mpi)"
+        eval "$(spack load --sh llvm)"
+        eval "$(spack load --sh openmpi)"
         sed -E -i \
         -e 's/^(ENABLE_MPI[[:space:]]*\?=[[:space:]]*).*/\1true/' \
         -e 's/^(ENABLE_OPENMP[[:space:]]*\?=[[:space:]]*).*/\1false/' \
-        -e 's/^(TOOLCHAIN[[:space:]]*\?=[[:space:]]*).*/\1ICC/' config.mk
+        -e 's/^(TOOLCHAIN[[:space:]]*\?=[[:space:]]*).*/\1CLANG/' config.mk
         make
-