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From: Florian Weimer <fweimer@redhat.com>
To: alexandre schenberg via Libc-help <libc-help@sourceware.org>
Cc: alexandre schenberg <ale.schenberg@yandex.com>
Subject: Re: undefined references to `__libc_csu_fini/init when copying
 glibc files to /usr/lib32
References: <1361191685319902@gavdw3jrkjwbxdg3.myt.yp-c.yandex.net>
Date: Tue, 30 May 2023 08:38:57 +0200
In-Reply-To: <1361191685319902@gavdw3jrkjwbxdg3.myt.yp-c.yandex.net>
	(alexandre schenberg via Libc-help's message of "Sun, 28 May 2023
	21:25:02 -0300")
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* 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