On Fri, 24 Aug 2007, Yar Tikhiy wrote:
On Fri, Aug 24, 2007 at 11:03:12AM -0400, Daniel Eischen wrote:
On Thu, 23 Aug 2007, Yar Tikhiy wrote:
yar 2007-08-23 05:09:31 UTC
FreeBSD src repository
Modified files:
lib/libc/gen fts-compat.c fts-compat.h
Log:
Forced commit to note repo-copy:
These files have been repo-copied from src/include/fts.h
and src/lib/libc/gen/fts.c to serve as a base for 4.4BSD
compatible versions of fts(3) functions to be preserved
through libc symbol versioning while the default versions
undergo ABI-breaking extension to support big file trees.
When are you going to break the ABI? After 7.0 is tagged
and released? If you break the ABI before, you don't need
or want to have the compat versions; the libraries have already
been bumped in prep for release. I don't think we want to
use symbol versioning as a crutch for -current users; the
version definitions are meant for public releases only.
The reason for exercising symbol versions right now is that "make
installworld" is sensitive to the fts(3) ABI. If the ABI is just
broken w/o special measures, "make installworld" will fail in the
middle and leave you with a botched system. It goes as follows:
- "make installworld" copies the old /usr/bin/find and some other
tools to /tmp/install.xxx for use during the install
- libc is overwritten by its new instance, with new fts(3) ABI
- the old find(1) is run by installworld and dumps core immediately.
Why don't you make find and the install tools static.
Earlier the problem was to be avoided by bumping libc version so
that the old libc is kept, and now I chose symbol versioning to get
around it. Do you think there is a different way?
Yes, you wait until after release to do this. Look at it
this way: if there wasn't symbol versioning and libc was
already bumped, how would you solve the problem? You
wouldn't bump libc again, right?
--
DE
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