Function build_evm_config 

pub fn build_evm_config<C>(
    chain_spec: Arc<C>,
    jit: &JitArgs,
    dump_dir: Option<PathBuf>,
) -> Result<(EthEvmConfig<C>, Option<Arc<JitMetrics>>), Report>
where
    C: EthereumHardforks,

Available on crate features jit and node-api and node only.

Builds an EthEvmConfig with evm2 JIT from CLI JitArgs.

This is the shared setup used by both EthereumExecutorBuilder and reth re-execute.

Returns the EVM config and metrics recorder if JIT starts enabled.