Merge branch 'kokks_cmake' into 'main'

Use -DKokkos_CUDA_ARCH_NAME=<NAME> to set CUDA arch

See merge request ardg/libra!147

Author: preshanth

.github/workflows/libra.yml

@@ -38,7 +38,7 @@ jobs:
           which nvcc
           mkdir build
           cd build
-          cmake -DApps_BUILD_TESTS=ON -DKokkos_CUDA_ARCH_NAME=Kokkos_ARCH_VOLTA70 ..
+          cmake -DApps_BUILD_TESTS=ON -DKokkos_CUDA_ARCH_NAME=VOLTA70 ..
           make
           echo "Compilation complete."
 

.gitlab-ci.yml

@@ -93,7 +93,7 @@ build-job:
     - which nvcc
     - mkdir -p build
     - cd build
-    - cmake -DApps_BUILD_TESTS=ON -DNCORES=8 -DKokkos_CUDA_ARCH_NAME=Kokkos_ARCH_VOLTA70 ..
+    - cmake -DApps_BUILD_TESTS=ON -DNCORES=8 -DKokkos_CUDA_ARCH_NAME=VOLTA70 ..
     - make
   after_script:
     - echo "=== ccache statistics ==="
@@ -365,7 +365,7 @@ manual-trigger:
     - git clean -ffdx
     - mkdir -p build
     - cd build
-    - cmake -DApps_BUILD_TESTS=ON -DKokkos_CUDA_ARCH_NAME=Kokkos_ARCH_VOLTA70 ..
+    - cmake -DApps_BUILD_TESTS=ON -DKokkos_CUDA_ARCH_NAME=VOLTA70 ..
     - make -j$(nproc)
     - ccache --show-stats || true
   when: manual

cmake/dependencies/Kokkos.cmake

@@ -25,10 +25,12 @@
 include(ExternalProject)
 
 if(NOT "${Kokkos_CUDA_ARCH_NAME}" STREQUAL "")
-  set(Kokkos_CUDA_ARCH_NAME_OPT "-D${Kokkos_CUDA_ARCH_NAME}=ON")
+  set(Kokkos_CUDA_ARCH_NAME_OPT "-DKokkos_ARCH_${Kokkos_CUDA_ARCH_NAME}=ON")
 else()
+  message(WARNING "CUDA arch name not specified.\nAn attempt will be made to determine CUDA arch.\nCUDA arch name can be sepcified with CLI option -DKokkos_CUDA_ARCH_NAME=<NAME> (recommended).")
   set(Kokkos_CUDA_ARCH_NAME_OPT "")
 endif()
+
 ExternalProject_Add(
   Kokkos
   GIT_REPOSITORY ${LIBRA_KOKKOS_GIT_REPOSITORY}