You could ask them to make an exception:<p><a href="http:&#x2F;&#x2F;www.gnu.org&#x2F;licenses&#x2F;gpl-faq.en.html#LinkingOverControlledInterface" rel="nofollow">http:&#x2F;&#x2F;www.gnu.org&#x2F;licenses&#x2F;gpl-faq.en.html#LinkingOverContr...</a>