Tmp logging to debug win build

Author: SonnyBonds

wilco/src/buildconfigurator.cpp

@@ -59,7 +59,7 @@ void BuildConfigurator::collectCommands(Environment& env, std::vector<CommandEnt
 		}
 		if (!command.rspFile.empty() && command.command.find("@" + str::quote(command.rspFile.string())) == std::string::npos)
 		{
-			throw std::runtime_error("Command '" + command.description + "' in project " + project.name + " has rspFile set but no corresponding @rspFile in the command string. Currently @\"quoted/path\" is the only supported rsp file flag format, and path must be lexically identical to rspFile.");
+			throw std::runtime_error("Command '" + command.description + "' in project " + project.name + " has rspFile set but no corresponding @rspFile in the command string. Currently @\"quoted/path\" is the only supported rsp file flag format, and path must be lexically identical to rspFile.\n\n(Tried to find '" + str::quote(command.rspFile.string()) + "' in '" + command.command + "')");
 		}
 		collectedCommands.push_back(command);
 	}