On 20/10/20 07:15, Thomas Huth wrote: >>>>>> + ;; >>>>>> + --enable-cross-compile) cross_compile="yes" >>>>>> + ;; >>>>>> + --disable-cross-compile) cross_compile="no" >>>>> >>>>> Can't you simply use --cros-prefix="" instead? >>>> >>>> I mean, still introduce the "cross_compile=yes" variable, just omit the new >>>> options. >>> >>> That seems less intuitive for people trying to find this option. If --help >>> lists --enable-cross-compile I can guess what that means but there's no >>> way I could guess --cros-prefix="" unless I've been told or searched and >>> stumbled upon it. So unless it's a big problem I like the explicit options >>> better. Or is that a convention in other projects to use empty prefix to >>> enable cross compile that I don't know about? > > I don't think that --cross-prefix is a "standard" option... Most other > (GNU-tools related) projects use "--build" and "--host" instead... so I > guess we're free to chose here. Let's see whether other people here have an > opionion on this...
Yeah, the way GNU tools do it is that you specify --build and --host, and --host triggers cross compilation. I'm not sure how they'd handle the situation where the cross prefix is empty. For QEMU, I agree with Thomas that --cross-prefix="" is enough. Paolo