https://nightly.ipfire.org/next/2021-07-06%2006%3A18%3A09%20%2B0200-955ab2f5/armv5tel

commit 955ab2f5c3a06b2c29ee9b992f80d20759fc4fc8
Author: Arne Fitzenreiter <arne_f(a)ipfire.org>
Date:   Tue Jul 6 06:18:09 2021 +0200

    glibc: fix for older i?86 cpu's
    
    with such cpu the libc fails with CPU ISA level is lower than required. So this disable
    ISA support.
    
    Signed-off-by: Arne Fitzenreiter <arne_f(a)ipfire.org>

https://git.ipfire.org/?p=ipfire-2.x.git;a=shortlog;h=955ab2f5c3a06b2c29ee9b992f80d20759fc4fc8


ERROR: Cannot build for architure armv5tel                              [ FAIL ]
    Check /build/nightly/next/log/_build.preparation.log for errors if applicable[ FAIL ]