sanitizer issues now to resolve compiler compatablity for

Author: skyler-ruiter

.github/workflows/ci.yml

@@ -86,7 +86,7 @@ jobs:
             -DCMAKE_BUILD_TYPE=Release \
             -DBUILD_TESTING=ON \
             -DBUILD_EXAMPLES=ON \
-            -DCMAKE_CUDA_ARCHITECTURES=80 \
+            -DCMAKE_CUDA_ARCHITECTURES=native \
             -DCMAKE_INSTALL_PREFIX=./build/ci/install
 
       - name: Build
@@ -99,11 +99,6 @@ jobs:
           fi
           cmake --build build/ci --parallel
 
-      - name: Show linked CUDA runtime
-        shell: bash
-        run: |
-          ldd build/ci/tests/test_cli | grep -E 'cudart|cuda' || true
-
       - name: Run tests
         shell: bash
         working-directory: build/ci
@@ -144,7 +139,9 @@ jobs:
             module purge
             module load nvhpc/23.11/nvhpc-hpcx-cuda12
           fi
-          cmake --preset asan
+          # nvc++ does not support -fsanitize; use GCC for the sanitizer build.
+          # nvcc (from the nvhpc module above) is still used for CUDA sources.
+          CC=gcc CXX=g++ cmake --preset asan
 
       - name: Build
         run: cmake --build --preset asan --parallel

CMakeLists.txt

@@ -126,12 +126,23 @@ set_property(CACHE USE_SANITIZER PROPERTY STRINGS "" "ASanUbsan" "TSan" "Compute
 option(COMPUTE_SANITIZER_DEVICE_DEBUG "Build CUDA with -G for Compute Sanitizer (slower, deeper debug)" OFF)
 
 if (USE_SANITIZER STREQUAL "ASanUbsan")
+  if(CMAKE_CXX_COMPILER_ID STREQUAL "NVHPC")
+    message(FATAL_ERROR
+      "ASan/UBSan is not supported by nvc++ (NVHPC). "
+      "Configure with CC=gcc CXX=g++ to use a GCC-based sanitizer build: "
+      "  CC=gcc CXX=g++ cmake --preset asan")
+  endif()
   message(STATUS "Compiling with Address+Undefined Sanitizers")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address,undefined -fno-omit-frame-pointer")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address,undefined -fno-omit-frame-pointer")
   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=address,undefined")
   set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fsanitize=address,undefined")
 elseif (USE_SANITIZER STREQUAL "TSan")
+  if(CMAKE_CXX_COMPILER_ID STREQUAL "NVHPC")
+    message(FATAL_ERROR
+      "TSan is not supported by nvc++ (NVHPC). "
+      "Configure with CC=gcc CXX=g++ to use a GCC-based sanitizer build.")
+  endif()
   message(STATUS "Compiling with Thread Sanitizer")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=thread -fno-omit-frame-pointer")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread -fno-omit-frame-pointer")