Fix CUDA compilation

Author: tpadioleau

.github/workflows/tests-ubuntu.yaml

@@ -365,16 +365,21 @@ jobs:
             cmake --build build
             rm -rf build
 
+            if [ 'xcuda' = 'x${{matrix.backend.name}}' ]
+            then
+              export CXX=$Kokkos_ROOT/bin/nvcc_wrapper
+            fi
+
             cmake \
               -D CMAKE_EXPORT_COMPILE_COMMANDS=ON \
               -B build \
               -S /src/install_test/check_macros
             python3 \
               /src/install_test/check_macros/check_macros.py \
-              --db ./build/compile_commands.json \
               --with-src /src/install_test/check_macros/with_my_lib.cpp \
               --without-src /src/install_test/check_macros/without_my_lib.cpp \
-              --reference /src/install_test/check_macros/whitelist_macros.json
+              --reference /src/install_test/check_macros/whitelist_macros.json \
+              -p ./build
           EOF
 
           docker run \

install_test/check_macros/check_macros.py

@@ -94,7 +94,7 @@ def prepare_commands(args):
     Returns:
         tuple[set[str], set[str]]: Macros with and without the library
     """
-    commands = json.loads(args.db.read_text())
+    commands = json.loads((args.p / "compile_commands.json").read_text())
 
     entry_with = find_entry(commands, args.with_src.resolve())
     entry_without = find_entry(commands, args.without_src.resolve())
@@ -202,10 +202,10 @@ def main():
         "--reference", required=True, type=Path, help="Reference JSON file with expected macro diff"
     )
     parser.add_argument(
-        "--db",
-        default="build-install-test/compile_commands.json",
+        "-p",
+        default="build",
         type=Path,
-        help="Path to compile_commands.json",
+        help="Path to build directory",
     )
 
     args = parser.parse_args()