Re: Building GCC for ARM and Linux/ucLibc

[Kai Ruottu <kai dot ruottu at wippies dot com>]

1.8.2012 16:40, Ian Lance Taylor kirjoitti:
> On Tue, Jul 31, 2012 at 7:48 AM, Christophe Lyon <christophe.lyon@st.com> wrote:
> > I have some trouble to build the right cross-GCC for ARM running Linux and
> > ucLibc, which I want to support -fstack-protector.
> >
> > Indeed, if I use arm-uclinuxeabi or arm-unknown-uclinux-uclibcgnueabi as
> > --target triplet, GCC's configure says:
> > checking __stack_chk_fail in target C library... no
> > I have also looked at config.gcc, and I think the triplet should also match
> > arm*-*-uclinux* to get the right configuration.
> >
> > What triplet should I use?
> I don't know.  Perhaps the uClibc developers can suggest something.
>
> I see that the tree supports *-*-linux-uclibc in various cases.  But I
> do also see uclinux used.  I'm not sure why this discrepancy arose.
The 'http://www.uclinux.org/description/' tells  about uClinux:

"intended for microcontrollers without Memory Management Units (MMUs)"

meanwhile Linux is for CPUs with MMUs. There is the difference I think... So
the target(s) '*-*-linux-uclibc' are Linuces which use uClibc as their C 
library,
not the normal 'glibc', "GNU C library"...

So Christophe, which one you want your opsys kernel to be, Linux or uClinux?