cudaPackages: patch for issue #434096 (#442479)

pkgs/development/cuda-modules/packages/setupCudaHook/setup-cuda-hook.sh

@@ -54,8 +54,13 @@ setupCUDAToolkit_ROOT() {
         fi
     done
 
-    appendToVar cmakeFlags "-DCUDAToolkit_INCLUDE_DIR=$CUDAToolkit_INCLUDE_DIR"
-    appendToVar cmakeFlags "-DCUDAToolkit_ROOT=$CUDAToolkit_ROOT"
+    # Use array form so semicolon-separated lists are passed safely.
+    if [[ -n "${CUDAToolkit_INCLUDE_DIR-}" ]]; then
+        cmakeFlagsArray+=("-DCUDAToolkit_INCLUDE_DIR=${CUDAToolkit_INCLUDE_DIR}")
+    fi
+    if [[ -n "${CUDAToolkit_ROOT-}" ]]; then
+        cmakeFlagsArray+=("-DCUDAToolkit_ROOT=${CUDAToolkit_ROOT}")
+    fi
 }
 preConfigureHooks+=(setupCUDAToolkit_ROOT)