How Do I replace an exported symbol in a static library with my own.
Thanks & Regards
Manish
by Mani » Fri, 23 Aug 2002 17:21:05
Thanks & Regards
Manish
by Gary R. Hoo » Sat, 24 Aug 2002 00:03:09
If you're talking about a loadable/shared module within an archive,
first look at http://www.ibm.com/servers/esdd/pdfs/aix_ll.pdf, page
12. The axtract the module from the archive and ensure it's a
loadable module (dump -Hv <file> should produce loader information).
If you don't have the original files used to create the module
(Makefile, etc) then I would suggest using "rtl_enable -s <file>"
to generate the import/export list and command script for rebuilding
the module.
Edit the command script to remove the runtime linking options (which
are "-brtl -bnortllib -bnosymbolic -bnoautoexp" if they're not
required). Stick in your new object file _first_ on the command
line. Run the shell script and you'll have a new module with replaced
definitions.
Rename foo.new and re-archive the module and you're good to go.
If this isn't what you were really looking for, post more details about
the problem.
--
Gary R. Hook / AIX PartnerWorld for Developers / These opinions are MINE
________________________________________________________________________
1. Problems linking static library on executable and static library
Hi,
I'm a newbie in programming on Un*x platforms, so maybe, it could
be caused by my lack of experience.
Ok. I have a static library "libSM.a" depending on two libraries one
of them shared: "libErrP.so" and a static one: "libCB.a"
I'm trying to compile an executable "EInvA" linking with both "libSM.a" and
"libCB.a" and get the following error:
CC -mt -fast -DNONE_CLASH -o RELEASE/EInvA RELEASE/inva.o
-lsocket -lnsl -ldl -lCstd -lc -lnsl -lsocket -lclntsh
-L/libs/libSM/STATIC -lSM -L/libs/libCB/STATIC -lCB
Undefined symbol first referenced in file
int CB::Connect(char*, char*) /libs/libSM/STATIC/libSM.a (libSM.o)
CB::CB() /libs/libSM/STATIC/libSM.a (libSM.o)
CB::~CB() /libs/libSM/STATIC/libSM.a (libSM.o)
And "CB" symbols are defined in "libCB.a"
?Could someone tell me what could be happening?
Thanks in advanced,
R.
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