Re: git: c5c9d980c4b0 - main - libc/csu: rename ignore_init.c to libc_start1.c

On 18 Mar 2023, at 03:44, Charlie Li <vishwin@freebsd.org> wrote:
> 
> Konstantin Belousov wrote:
>>     libc/csu: rename ignore_init.c to libc_start1.c
>>          The current name was a historical curiosity that started when init array
>>     support was added, and then the file appeared a convenient place for the
>>     addition of the MI common code to csu.  It is now referenced by name in
>>     single place and the rename is easy, so do it.
>>          Sponsored by:   The FreeBSD Foundation
>>     MFC after:      3 weeks
>> ---
>>  lib/libc/csu/Makefile.inc                     | 2 +-
>>  lib/libc/csu/{ignore_init.c => libc_start1.c} | 0
>>  2 files changed, 1 insertion(+), 1 deletion(-)
> Seems like an ABI break. Anything compiled after this but ran on an earlier-by-revision-but-same __FreeBSD_version complains with 'Undefined symbol "__libc_start1@FBSD_1.7"'

It’s not a break, just new ABI. Same as adding a new function, just
everything automatically uses it.

It’s true that __FreeBSD_version needs bumping if it hasn’t already
been though.

Jess