Re: glibc-2.2.93 crosscompile from 586 to mips

[Franz Sirl <Franz dot Sirl-kernel at lauterbach dot com>]

At 20:18 10.09.2002, Daniel Jacobowitz wrote:
> On Tue, Sep 10, 2002 at 10:41:28AM -0700, ilya@theIlya.com wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Hello,
> > I am trying to cross-compile glibc-2.2.93 from i586-linux to mips-linux.
> > Following is error I get:
> >
> > mips-linux-gcc -nostdlib -nostartfiles -o 
> /disk2/dist/programming/glibc-build/iconv/iconvconfig 
> -Wl,-dynamic-linker=//lib/ld.so.1 
> /disk2/dist/programming/glibc-build/csu/crt1.o 
> /disk2/dist/programming/glibc-build/csu/crti.o `mips-linux-gcc 
> --print-file-name=crtbegin.o` 
> /disk2/dist/programming/glibc-build/iconv/iconvconfig.o 
> /disk2/dist/programming/glibc-build/iconv/strtab.o 
> /disk2/dist/programming/glibc-build/iconv/xmalloc.o 
> -Wl,-rpath-link=/disk2/dist/programming/glibc-build:/disk2/dist/programming/glibc-build/math:/disk2/dist/programming/glibc-build/elf:/disk2/dist/programming/glibc-build/dlfcn:/disk2/dist/programming/glibc-build/nss:/disk2/dist/programming/glibc-build/nis:/disk2/dist/programming/glibc-build/rt:/disk2/dist/programming/glibc-build/resolv:/disk2/dist/programming/glibc-build/crypt:/disk2/dist/programming/glibc-build/linuxthreads 
> /disk2/dist/programming/glibc-build/libc.so.6 
> /disk2/dist/programming/glibc-build/libc_nonshared.a -lgcc 
> `mips-linux-gcc --print-file-name=crtend.o` 
> /disk2/dist/programming/glibc-build/csu/crtn.o
> > /disk2/dist/programming/glibc-build/elf/ld.so.1: undefined reference to 
> `elf_machine_rela'
> > /disk2/dist/programming/glibc-build/libc.so.6: undefined reference to 
> `__divdi3_internal'
> > collect2: ld returned 1 exit status
> > make[2]: *** [/disk2/dist/programming/glibc-build/iconv/iconvconfig] 
> Error 1
> > make[2]: Leaving directory `/disk2/dist/programming/glibc-2.2.93/iconv'
> > make[1]: *** [iconv/others] Error 2
> > make[1]: Leaving directory `/disk2/dist/programming/glibc-2.2.93'
> > make: *** [all] Error 2
> >
> > root@gateway:/disk2/dist/programming/glibc-build#
> > /crossdev/mips/bin/mips-linux-ld -v
> > GNU ld version 2.12.90 20020703
> > root@gateway:/disk2/dist/programming/glibc-build#
> > /crossdev/mips/bin/mips-linux-gcc -v
> > Reading specs from /crossdev/mips/lib/gcc-lib/mips-linux/3.2/specs
> > Configured with: ../gcc-3.2/configure --prefix=/crossdev/mips
> > - --disable-shared --with-gnu-as --enable-languages=c --disable-nls
> > - --with-newlib --enable-checking=no --disable-threads
> > - --with-headers=/usr/include --target=mips-linux
> > Thread model: single
> > gcc version 3.2
>
> At a guess:
> do-rel.h defines elf_machine_rel in terms of elf_machine_rela if
> DO_RELA.  dl-conflict.c just calls elf_machine_rela.  It looks like it
> needs to have some logic to possibly use REL instead of RELA.
That maybe the explanation for the first one, for the 2nd you need to know 
that every 32-bit platform now must compile sysdeps/wordsize-32/divdi3.c 
(and do proper versioning if you don't want to break shared libs compiled 
with gcc2).

Franz.