SEO
vBulletin Search Engine Optimization
| |||||||
| Register | FAQ | Members List | Calendar | Search | Today's Posts | Mark Forums Read |
02-22-2008, 11:40 AM
| ||||
| ||||
 Re: Cross-Compiling OpenBSD On 7/11/05, Maslan <maslanbsd@gmail.com> wrote: > Really thanks for your help, but what you said is the theoritical part > that can be applied to any os which will be cross-compiled, any thing > special for OpenBSD? > > On 11 Jul 2005 14:04:03 +0200, Artur Grabowski <art@blahonga.org> wrote: > > Maslan <maslanbsd@gmail.com> writes: > > > > > Thanks > > > but i hope somebody else may help. > > > > 1. install snapshot. > > 2. compile. > > > > That's the easy way to do it. > > > > The hard way to do it is useless to teach. There is a very minimal > > amount of people on earth who actually _need_ to be able to > > cross-compile. Maybe my imagination is limited, but I can't actually > > imagine someone who needs the ability to cross-compile without at the > > same time having enough knowlege of the system to already know how to > > cross-compile. > > > > In other words, if you really need it, you already know how to do it. > > If you don't know how to do it, you're not one of the people who > > actually need it. At least not yet. By the time you're ready for > > cross compilation, you'll know how to do it. > > > > Besides. Cross-compiling OpenBSD is something you only do once for > > every new architecture you compile. After it's been done once, there > > is absolutely no need to do it again. It's even considered harmful to > > do more than once. Therefore, the tools used for this are rusty, not > > up to date and most likely broken in intricate and hard to debug > > ways. And noone bothers to premanently maintain them. Especially since > > cross compilation is done like this: > > > > o Get a kernel that pretends to boot using a hand-crafted gcc and > > binutils because you didn't want to waste time trying to get them > > in real shape. > > o Get something that resembles libc with the same gcc and binutils. > > o Get something that resembles sh and init. > > o Fight with the kernel for a few days > > o Fight with gcc and binutils to actually make it through cross. > > o Notice how badly broken the kernel is now. fiddle. > > o Get a working kernel, fix the compilation errors that popped up in > > libc now. > > o Yay. Single user with init and sh. > > o Build native binutils, gcc and make. > > o start make build, install some parts, swear, install some libs, > > swear again. Find some obscure bug in awk. Spend a few days > > redesigning floating point emulation in the kernel to fix the bug > > in awk. Give up. Install gawk. Notice how gawk has the same bug as > > the classic awk (ehmm). (happened twice) > > o Finally fix the bug in awk during some dark night and don't remember > > how you fixed it when you wake up. > > o Start doing partial builds again. > > o Nag Todd to get you a working perl. > > o Since you still only have shared libraries, find some obscure bugs > > in some ./configured piece of crap that only pop up with static > > linking. > > o Bang your head against the wall a few times without being able to > > fix those bugs. > > o Give up and write the missing pieces of ld.so instead of trying > > to get binutils to cooperate. (happened twice) > > o Iterate a few more times until make build pretends to finish. > > o Notice the hundereds of Ms in your source tree. Start removing > > them. > > o Build something that resembles a snapshot. > > o Let someone else fix the rest of the bugs. > > > > This is not something that you can be taught. You have to experience > > it yourself. If you don't know how to do it or teach yourself, you're > > not ready for such an excercise. This is the Mount Everest of > > operating system hacking. Installing escalators is just wrong. > > > > If it's not evident, I've done it a few times. I doubt you can get > > better advice regarding cross compiling OpenBSD than this. > > > > //art > > > > > On 7/10/05, Tobias Weingartner <weingart@tepid.org> wrote: > > > > On Sunday, July 10, Maslan wrote: > > > > > > > > > > Ok, i will give it a try, > > > > > the fisrt problem will be the config > > > > > do i have to port openbsd config first to freebsd ? > > > > > > > > I don't think you understand. I've give you my advice. I'm not > > > > inclined to help you further in this endeavor. If you wish to > > > > learn this path, you will be traveling alone. > > > > > > > > --Toby. > > > > > > > > > > > > > -- > > > I'm Searching For Perfection, > > > So Even If U Need Portability U've To Use Assembly ;-) > > > http://www.maslanlab.org > > > > > -- > I'm Searching For Perfection, > So Even If U Need Portability U've To Use Assembly ;-) > http://www.maslanlab.org > -- I'm Searching For Perfection, So Even If U Need Portability U've To Use Assembly ;-) http://www.maslanlab.org      |
Linear Mode
