To be fair, GCC's design was motivated by the same thing as the license. They intentionally didn't modularize GCC so that it couldn't be used by non-free code.
> Anything that makes it easier to use GCC back ends without GCC front ends--or simply brings GCC a big step closer to a form that would make such usage easy--would endanger our leverage for causing new front ends to be free.
To be fair, GCC's design was motivated by the same thing as the license. They intentionally didn't modularize GCC so that it couldn't be used by non-free code.
> Anything that makes it easier to use GCC back ends without GCC front ends--or simply brings GCC a big step closer to a form that would make such usage easy--would endanger our leverage for causing new front ends to be free.
https://gcc.gnu.org/legacy-ml/gcc/2000-01/msg00572.html