undefined references to `__libc_csu_fini/init when copying glibc files to /usr/lib32

[Florian Weimer]

* alexandre schenberg via Libc-help:

> I then did a test, tried to compile the test program passing the dir where libc_nonshared.a is located with:
>
> g++ -m32 -o test-32bit test-32bit.cpp -L/media/34GB/Arquivos-de-Programas-Linux-32bit/Glibc-2.17/usr/lib/
>
> and it returned:
>
> /usr/bin/ld: skipping incompatible /lib/libc.so.6 when searching for /lib/libc.so.6
> /usr/bin/ld: cannot find /lib/libc.so.6
> collect2: error: ld returned 1 exit status

You need to create a complete sysroot with all the startup files.  Using
-L is not enough.  You should use one of the ready-made cross-tools
scripts.

Without a proper sysroot, something like this will be required:

  Building with completely new files
  <https://sourceware.org/glibc/wiki/Testing/Builds#Build100PctNew>

Thanks,
Florian