Re: GrSecurity brags about it's GCC plugins (which violate the GPL for the same reason it's kernel patch does) -- Is this not a threat to the gnu gpl system?

[nipponmail]

RMS: The GCC website lists these now-proprietary plugins. Exactly what 
you did not want to happen has happened.

https://gcc.gnu.org/wiki/plugins
grsecurity kernel -- Plugins to help with the task of creating a more 
secure kernel. -- https://www.grsecurity.net/features.php#tabs-gcc LWN 
articleSlides of PaX talk

Which links to what amounts to an advertisement for their plugins which 
you get when you pay them 10k+ and have to agree not to redistribute 
them nor the kernel patch nor anything else.