From b845595cbd66e305d46d03d3b9a16346ece8eecf Mon Sep 17 00:00:00 2001
From: Daniel Kirchner <daniel@ekpyron.org>
Date: Thu, 9 Jan 2020 14:49:11 +0100
Subject: [PATCH] Ignore empty options to (i)soltest

---
 test/Common.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/Common.cpp b/test/Common.cpp
index 725902e25..a88871669 100644
--- a/test/Common.cpp
+++ b/test/Common.cpp
@@ -122,6 +122,11 @@ bool CommonOptions::parse(int argc, char const* const* argv)
 	for (auto const& parsedOption: parsedOptions.options)
 		if (parsedOption.position_key >= 0)
 		{
+			if (
+				parsedOption.original_tokens.empty() ||
+				(parsedOption.original_tokens.size() == 1 && parsedOption.original_tokens.front().empty())
+			)
+				continue; // ignore empty options
 			std::stringstream errorMessage;
 			errorMessage << "Unrecognized option: ";
 			for (auto const& token: parsedOption.original_tokens)