Re: kernel/glibc headers/gcc bootstrap circular dependencies redux

[Mike Frysinger <vapier at gentoo dot org>]

On Saturday 09 April 2005 09:54 am, Dimitry Andric wrote:
> On 2005-04-09 at 02:11:11 Mike Frysinger wrote:
> > communicating in the kernel-requires-gcc-but-gcc-requires-kernel thread
> > ...
>
> IIRC, it's even:
>
> - gcc requires libc headers
> - libc requires kernel headers
> - kernel headers require gcc
>
> :)
>
> So the reason crosstool sets up kernel headers (whether sanitized or
> not) is to make the basic glibc header setup (with --hacker-mode, etc)
> work, which in turn makes the base gcc build possible, even if the
> --without-headers feature is broken.

ive personally built base gcc (C-only) w/out libc or kernel headers for:
alpha
arm / armeb
avr
hppa / hppa64
i[3456]86
m68k
mips / mips64 / mipsel / mips64el
powerpc / powerpc64 (the later now possible thanks to Khem Raj)
s390 / s390x
sh / sheb / sh4 / sh4eb / sh64
sparc / sparc64

the only one i have yet to get to work really is ia64 ... i know headers arent 
required because i do it all the time now ;)
-mike

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