glibc 2.3.6 nd BREG

James Don jimdon at sympatico.ca
Sun Aug 6 05:01:38 PDT 2006


Hi Ken,

My problem was indeed that i was targeting i586 from a i686 machine ...
when i switched my target to i696 everything builds ... now onto the
next steps :-)

Jim


On Fri, 2006-08-04 at 15:04 +0100, Ken Moffat wrote:
> On Fri, Aug 04, 2006 at 09:12:14AM -0400, Jim wrote:
> > Hi I am having problems compiling glibc 2.3.6.
> > 
> > I terminate the compile currently with below error:
> > 
> > /i386/i686 -I../sysdeps/i386/i486 -I../sysdeps/i386/fpu 
> [...]
> > /home/jgdon/code/linuxfromscratch/build-glibc/csu/check_fds.os
> > ../sysdeps/generic/check_fds.c: In function 'check_one_fd':
> > ../sysdeps/generic/check_fds.c:52: error: can't find a register in class 
> > 'BREG' while reloading 'asm'
> > 
> > I am currently building with:
> > 
> > - binutils 2.16.1 (compiled myself)
> > - gcc 4.0.3 (compiled myself with newlib)
> > - kernel 2.17.7
> > 
> > CC=i586-elf-gcc AR=i586-elf-ar RANLIB=i586-elf-ranlib 
> > ../glibc-2.3.6/configure --with-headers=$KERNEL  
> > --prefix=$PREFIX/$TARGET --enable-add-ons=linuxthreads
> > 
> > Cheers and thanks,
> > Jim
>  When you deviate from the book, you need to tell the list what you
> are doing.  You seem to be compiling for i586, so probably the host
> is a faster i686 ?
> 
>  I'm not familiar with 'newlib' (heard of it, but never used or
> looked at it), and slightly puzzled by the i586-elf- names (I'd
> expect something like i586-pc-linux-gnu-).  I don't know whose
> build-method you are following, but if it is one of the LFS hints
> you could mention that, and if it is not, you might do better
> asking wherever is appropriate to it.
> 
>  As a guess, the build partly thinks it is on an i686 because you
> are not telling it to cross-compile, (--build, --host, --target for
> cross-compiling glibc) and I'm suspicious of passing AR and RANLIB
> to 'configure' for glibc (might work for 2.3.6, might not).
> 
>  I don't know if we have this covered on cross-lfs (we never hear a
> lot about successes, and building for i586 from i686 is no longer
> common), but I think we've probably got this working, see
> http://trac.cross-lfs.org/ (note that we are using a newer binutils
> and gcc).  If you try that, please ask on the clfs lists if you have
> problems.
> 
> Ken
> -- 
> das eine Mal als Tragödie, das andere Mal als Farce
-- 
James Don <jimdon at sympatico.ca>
gomba




More information about the lfs-support mailing list