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On Feb 11, 2011, at 3:23 AM, Michael Haubenwallner wrote:
> On 02/10/2011 10:11 PM, Perry Smith wrote:
>> On Feb 10, 2011, at 9:32 AM, Michael Haubenwallner wrote:
>>> Right now I've checked in the changes to use the new shared library
>>> model called "aix-soname" I've proposed recently along bug#213277 .
>> Can you tell us which version you picked? At one point you had about
>> five ideas you were weighing.
> Ohw sorry, sure: The one I've posted at libtool mailing list as well as
> in the IBM AIX Developers forum, and recently to the binutils mailing list.
> While the big agreement on that variant is still not there - maybe because of
> less interest (there's not much response anywhere), I've implemented that in
> Prefix now for both prove-of-concept as well as to identify possible problems.
> How I prefer doing "shared libraries" with "soname" on AIX now is:
> *) Create the shared object "shr.o" (using '-G' linker flag).
> *) Set the LOADONLY flag for "shr.o" (using 'strip -e').
> *) Create the Import File "shr.imp", containing
> - this header line, being the "soname" emulation:
> #! libNAME.so.1(shr.o)
> - another header line telling the bits used:
> # 32
> # 64
> - the list of symbols exported.
> *) Create the archive library "libNAME.so.1.2.3" from both
> "shr.imp" and "shr.o".
> *) Create the symlinks as usual:
> libNAME.so.1 -> libNAME.so.1.2.3
> libNAME.so -> libNAME.so.1.2.3
> *) Create the static library archive "libNAME.a" from static objects.
Do you recall the advantage of having a import file plus the shared
object in the archive? What problem does that solve that having
just the shared object creates?