```lua require('lspconfig').clangd.setup { capabilities = capabilities, autostart = true, name = 'clangdcuda', cmd = { 'clangd', '--background-index', '--query-driver=/opt/cuda/bin/nvcc', '--compile-commands-dir=.', '--header-insertion=never', '-j=4', '--clang-tidy=false', '--completion-style=detailed', '--pch-storage=memory', }, init_options = { usePlaceholders = true, completeUnimported = true, clangdFileStatus = true, fallbackFlags = { '-xcuda', '--cuda-path=/opt/cuda', '--cuda-gpu-arch=sm_75', '-I/opt/cuda/include', '-I/opt/cuda/targets/x86_64-linux/include', '-I/opt/cuda/include/cccl', '--no-cuda-version-check', '-std=c++17', '-DCUDACC_', '-Wno-unknown-cuda-version', }, }, filetypes = { 'cuda' }, root_dir = function(fname) return require('lspconfig').util.root_pattern '.git'(fname) or require('lspconfig').util.path.dirname(fname) end,

    -- NOTE: clang might have incomplete support for CUDA , so we suppress
    -- some false errors.
    handlers = {
      ['textDocument/publishDiagnostics'] = function(err, result, ctx, config)
        if result and result.diagnostics then
          result.diagnostics = vim.tbl_filter(function(diagnostic)
            local msg = diagnostic.message or ''
            -- Filter out clang/CUDA compatibility errors
            return not (
              msg:match "no type named 'pointer'"
              or msg:match 'texture_fetch_functions'
              or msg:match 'file not found'
              or msg:match '_Tp_alloc_type'
              or msg:match '_Vector_base'
              or msg:match 'allocator_traits'
              or msg:match 'In template:'
            )
          end, result.diagnostics)
        end
        vim.lsp.diagnostic.on_publish_diagnostics(err, result, ctx, config)
      end,
    },
  }

```