Many compilers are released under the GPL license. Generally speaking[1], the output of the compiler is not subject to the license terms of the GPL, just as a d

Many compilers are released under the GPL license. Generally speaking[1], the output of the compiler is not subject to the license terms of the GPL, just as a document created by a GPL'ed word processor need not be licensed under the GPL. [1]: There could conceivably be GPL code linked with your code in the final output, but I don't think people would release a compiler like that without big notices unless they're specifically trying to trick people into having to buy commercial licenses or something like that.