I was - perhaps - not clear enough. Want I want is all the .o files
together in a single file that can be a single member of an archive.
Using the ./config shared got it to make .so files with everything
combined - but not, by default, that the .so files expect dependancies
in another archive(member) search request.
I hope my post, and the extra bit (to you only) makes that clearer.
Thanks for your reply to my first message!
Michael
On 8/4/2014 7:06 PM, Sands, Daniel wrote:
To generate a .a of shared objects instead of static objects, really all you do is build
the shared object(s) and create an archive out of them. There is no special magic about
it beyond creating the shared object in the first place. When linking a new program to
an archive of shared objects, and if you didn't specify an import file, AIX will just use
the standard static object rules when it searches an archive for likely candidates to
link in: First logical member of the archive that has the desired symbol will be chosen
for inclusion. The difference is that the static linker will see the "shared"
flag and just add that member of the archive to the file's dynamic loader table instead
of statically linking it in.
On Mon, 2014-08-04 at 08:45 +0200, Michael wrote:
Dear all,
I wish I knew better - howto use ld to craft an archive member, but I do
not. (Below was sent to openssl-dev, if it arrived, please ignore for
now - however, once I understand this AND if I figure out a "simple"
change, I shall submit a patch for future AIX builds.)
===
To be compatible with the standard AIX libraries I would like to learn
howto generate a single
".so" file that goes into the .a file.
FYI: AIX supports multiple versions of the ssl libraries using this
convention:
root@x093:[/data/prj/openssl/openssl-0.9.8.27]ar tv /usr/lib/libcrypto.a
| head
rwxr-xr-x 370769/647632 2192276 Nov 09 07:44 2009 libcrypto.so.0.9.8
michael@x054:[/data/prj/apache/httpd/test]ar tv /usr/lib/libcrypto.a
rwxrwxr-x 435159/781431 2965832 May 01 06:57 2014 libcrypto.so.1.0.0
rwxrwxr-x 435159/781431 2253655 May 01 06:58 2014 libcrypto.so.0.9.8
Members are, as expected, object modules
michael@x054:[/data/prj/apache/httpd/test]ar xv /usr/lib/libcrypto.a
x - libcrypto.so.1.0.0
x - libcrypto.so.0.9.8
michael@x054:[/data/prj/apache/httpd/test]file libcrypto*
libcrypto.so.0.9.8: executable (RISC System/6000) or object module not
stripped
libcrypto.so.1.0.0: executable (RISC System/6000) or object module not
stripped
Unfortunately, the archive created by the tarball ./config and make are
individual .o named object modules.
Again, for compatibility I would like to have them contained in a .so
root@x093:[/data/prj/openssl/openssl-0.9.8.27]ar tv libcrypto.a | head
rw-r--r-- 0/0 6346 Aug 03 15:13 2014 cryptlib.o
rw-r--r-- 0/0 8585 Aug 03 15:13 2014 dyn_lck.o
rw-r--r-- 0/0 11602 Aug 03 15:13 2014 mem.o
rw-r--r-- 0/0 1303 Aug 03 15:13 2014 mem_clr.o
rw-r--r-- 0/0 13806 Aug 03 15:13 2014 mem_dbg.o
rw-r--r-- 0/0 2048 Aug 03 15:13 2014 cversion.o
rw-r--r-- 0/0 13170 Aug 03 15:13 2014 ex_data.o
rw-r--r-- 0/0 2443 Aug 03 15:13 2014 tmdiff.o
rw-r--r-- 0/0 1782 Aug 03 15:13 2014 cpt_err.o
rw-r--r-- 0/0 630 Aug 03 15:13 2014 ebcdic.o
And applications expect the .so.$version as member name
michael@x054:[/data/prj/apache/httpd/test]dump -H /usr/sbin/sshd
/usr/sbin/sshd:
***Loader Section***
Loader Header Information
VERSION# #SYMtableENT #RELOCent LENidSTR
0x00000001 0x00000196 0x000008cc 0x0000006f
#IMPfilID OFFidSTR LENstrTBL OFFstrTBL
0x00000006 0x00008fc0 0x00000dde 0x0000902f
***Import File Strings***
INDEX PATH BASE MEMBER
0 /usr/lib:/lib
1 libc.a shr.o
2 libcrypto.a libcrypto.so.1.0.0
3 libz.a libz.so.1
4 libpam.a shr.o
5 libdl.a shr.o
===
I am going to look in the ./config for a "shared" versus "not-shared"
flag that I missed on my first attempt. All suggestions welcome!
Thanks for your assistance!
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