diff options
| -rw-r--r-- | kernel/driver.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/driver.cc b/kernel/driver.cc index bc605a461..61f160a6b 100644 --- a/kernel/driver.cc +++ b/kernel/driver.cc @@ -89,10 +89,15 @@ static void run_backend(std::string filename, std::string command, RTLIL::Design command = "ilang"; else if (filename == "-") command = "ilang"; + else if (filename.empty()) + return; else log_error("Can't guess frontend for input file `%s' (missing -f option)!\n", filename.c_str()); } + if (filename.empty()) + filename = "-"; + if (filename == "-") { log("\n-- Writing to stdout using backend `%s' --\n", command.c_str()); } else { @@ -226,7 +231,7 @@ int main(int argc, char **argv) std::string backend_command = "auto"; std::vector<std::string> passes_commands; std::vector<void*> loaded_modules; - std::string output_filename = "-"; + std::string output_filename = ""; std::string scriptfile = ""; bool got_output_filename = false; |