Re: implications and importance of --prefix?? what about -staticin GCC_EXTRA_CONFIG?

[Dan Kegel <dkegel at ixiacom dot com>]

Wolcott, Ken (MED, Compuware) wrote:
> On Wednesday 05 November 2003 17:08, Dan Kegel wrote:
>
> > Wolcott, Ken (MED, Compuware) wrote:
> >
> > >  Regarding --with-sysroot, should that be run only with binutils
> > > configure and the final gcc configure?  It seems that using this
> > > configure flag with the bootstrap configure doesn't make any
> > > sense...probably not with the kernel headers either...but what about
> > > glibc?  For my next experiment, I'll try just with binutils and the final
> > > gcc compile to see if that works...
> >
> > Correct.  Also, if you're building gdb, that needs it, too, I hear.
>
>
> Does the path pointed to by --with-sysroot have to pre-exist?

(I'm running purely on google here; haven't tried it myself.)

Yes, according to
http://www.redhat.com/docs/manuals/gnupro/GNUPro-Toolkit-03r1/gnupro_9.html

(See also http://gcc.gnu.org/install/configure.html, which says
if you use --with-sysroot, you shouldn't use --with-headers or --with-libs.)

See also http://linuxfromscratch.org/~tchiwam/XCompilerLinuxGlibc
(Seems he used --with-sysroot when building
the bootstrap compiler - hmm, didn't think that'd be needed, but it makes sense.
He didn't with binutils;
I bet he hasn't tried moving the resulting binaries to a different location yet.)

A couple other examples:
http://www.myownlittleworld.com/computers/solaris-cross.html
http://www.linux-france.org/~dmentre/doc/en/ixp2400-linux-toolchain-howto.txt

BTW, I noticed there's a bug filed against sys-root; not sure if it affects us:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12561

- Dan



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