Re: Profiled libraries on freebsd-current

On 2022-Apr-29, at 12:38, Mark Millard <marklmi@yahoo.com> wrote:

> https://cgit.freebsd.org/src/commit/?id=175841285e289edebb6603da39f02549521ce950
> says the following (later), but first I quote the part tbat dirves the
> interpretation:
> 
> QUOTE
> Clang's -pg support and mcount() remain, so building with -pg can still
> be used on code that the user builds; we just do not provide prebuilt
> libraries compiled with -pg.
> END QUOTE
> 
> No WITH_PROFILE options means no "prebuilt libraries compiled with -pg".
> 
> 
> The overall notice was:
> 
> author	Ed Maste <emaste@FreeBSD.org>	2021-06-27 17:21:26 +0000
> committer	Ed Maste <emaste@FreeBSD.org>	2021-06-28 15:36:59 +0000
> commit	175841285e289edebb6603da39f02549521ce950 (patch)
> tree	9c2d3b05546961457bb18faeebd2302a25559b49
> parent	243b95978debac3db06df6d26ca9f8d84f6cbd83 (diff)
> download	src-175841285e289edebb6603da39f02549521ce950.tar.gz
> src-175841285e289edebb6603da39f02549521ce950.zip
> 
> Add deprecation notice for WITH_PROFILE option
> 
> As discussed on freebsd-current [1] and freebsd-arch [2] and review
> D30833, FreeBSD 14 will ship without the _p.a libraries built with -pg.
> Both upstream and base system (in commit b762974cf4b9) Clang have been
> modified to remove the special case for linking against these libraries.
> 
> Clang's -pg support and mcount() remain, so building with -pg can still
> be used on code that the user builds; we just do not provide prebuilt
> libraries compiled with -pg.  A similar change is still needed for GCC.
> 
> [1]  
> https://lists.freebsd.org/pipermail/freebsd-current/2020-January/075105.html
> 
> [2] 
> https://lists.freebsd.org/archives/freebsd-arch/2021-June/000016.html
> 
> 
> MFC after:	1 week
> Sponsored by:	The FreeBSD Foundation
> END QUOTE
> 

I probably should have been explicit: the actual removal of WITH_PROFILE
has not happened yet. So testing attempts to use it are not yet expected
to have the new behavior yet.


===
Mark Millard
marklmi at yahoo.com