CI: Enable NVCC

.github/workflows/linux.yml

@@ -51,34 +51,33 @@ jobs:
             -DAMReX_MPI=OFF
         cmake --build build -j 2
 
-# TODO: target_compile_features no known features for CUDA compiler "" version .
-#  nvcc11:
-#    name: [email protected] [email protected]
-#    runs-on: ubuntu-20.04
-#    env: {CXXFLAGS: "-fno-operator-names"}
-#    steps:
-#    - uses: actions/checkout@v2
-#    - name: Dependencies
-#      run: .github/workflows/dependencies/dependencies_nvcc11.sh
-#    - name: Build & Install
-#      run: |
-#        export PATH=/usr/local/nvidia/bin:/usr/local/cuda/bin:${PATH}
-#        export LD_LIBRARY_PATH=/usr/local/nvidia/lib:/usr/local/nvidia/lib64:/usr/local/cuda/lib64:${LD_LIBRARY_PATH}
-#        which nvcc || echo "nvcc not in PATH!"
-#
-#        export CC=$(which gcc)
-#        export CXX=$(which g++)
-#        export CUDAHOSTCXX=$(which g++)
-#
-#        cmake -S . -B build             \
-#            -DCMAKE_VERBOSE_MAKEFILE=ON \
-#            -DAMReX_GPU_BACKEND=CUDA    \
-#            -DCMAKE_CUDA_STANDARD=17    \
-#            -DCMAKE_CXX_STANDARD=17     \
-#            -DAMReX_CUDA_ARCH=8.0       \
-#            -DAMReX_CUDA_ERROR_CROSS_EXECUTION_SPACE_CALL=ON \
-#            -DAMReX_CUDA_ERROR_CAPTURE_THIS=ON
-#        cmake --build build -j 2
+  nvcc11:
+    name: [email protected] [email protected]
+    runs-on: ubuntu-20.04
+    env: {CXXFLAGS: "-fno-operator-names"}
+    steps:
+    - uses: actions/checkout@v2
+    - name: Dependencies
+      run: .github/workflows/dependencies/dependencies_nvcc11.sh
+    - name: Build & Install
+      run: |
+        export PATH=/usr/local/nvidia/bin:/usr/local/cuda/bin:${PATH}
+        export LD_LIBRARY_PATH=/usr/local/nvidia/lib:/usr/local/nvidia/lib64:/usr/local/cuda/lib64:${LD_LIBRARY_PATH}
+        which nvcc || echo "nvcc not in PATH!"
+
+        export CC=$(which gcc)
+        export CXX=$(which g++)
+        export CUDAHOSTCXX=$(which g++)
+
+        cmake -S . -B build             \
+            -DCMAKE_VERBOSE_MAKEFILE=ON \
+            -DAMReX_GPU_BACKEND=CUDA    \
+            -DCMAKE_CUDA_STANDARD=17    \
+            -DCMAKE_CXX_STANDARD=17     \
+            -DAMReX_CUDA_ARCH=8.0       \
+            -DAMReX_CUDA_ERROR_CROSS_EXECUTION_SPACE_CALL=ON \
+            -DAMReX_CUDA_ERROR_CAPTURE_THIS=ON
+        cmake --build build -j 2
 
 # TODO: in pybind11
 #   multiple definition of `scalblnl`, `sinhl', `tanhl`, `tanl`, ...

CMakeLists.txt

@@ -21,6 +21,11 @@ endif()
 if(POLICY CMP0104)
     cmake_policy(SET CMP0104 OLD)
 endif()
+# device link step not yet fully implemented in AMReX logic
+# https://cmake.org/cmake/help/latest/policy/CMP0105.html
+if(POLICY CMP0105)
+    cmake_policy(SET CMP0105 OLD)
+endif()
 
 
 # CCache Support ##############################################################

cmake/dependencies/AMReX.cmake

@@ -30,7 +30,7 @@ macro(find_amrex)
 
         if(pyAMReX_amrex_src)
             list(APPEND CMAKE_MODULE_PATH "${pyAMReX_amrex_src}/Tools/CMake")
-            if(pyAMReX_COMPUTE STREQUAL CUDA)
+            if(AMReX_GPU_BACKEND STREQUAL CUDA)
                 enable_language(CUDA)
                 include(AMReX_SetupCUDA)
             endif()
@@ -46,7 +46,7 @@ macro(find_amrex)
             if(NOT fetchedamrex_POPULATED)
                 FetchContent_Populate(fetchedamrex)
                 list(APPEND CMAKE_MODULE_PATH "${fetchedamrex_SOURCE_DIR}/Tools/CMake")
-                if(pyAMReX_COMPUTE STREQUAL CUDA)
+                if(AMReX_GPU_BACKEND STREQUAL CUDA)
                     enable_language(CUDA)
                     include(AMReX_SetupCUDA)
                 endif()

cmake/pyAMReXFunctions.cmake

@@ -4,7 +4,7 @@ macro(set_ccache)
     find_program(CCACHE_PROGRAM ccache)
     if(CCACHE_PROGRAM)
         set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
-        if(pyAMReX_COMPUTE STREQUAL CUDA)
+        if(AMReX_GPU_BACKEND STREQUAL CUDA)
             set(CMAKE_CUDA_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
         endif()
     endif()