> How about this for a compromise: Let's make the default of > -fstrict-volatile-bitfields an optional configure argument for gcc > 4.9, that can be used for every target, even for X86_64 of you want ?
I don't care how it's enabled (currently, each target that wants it, sets it) as long as a plain "./configure" gives the correct defaults. "Don't forget this option or your code won't work" isn't an option.