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846 lines
33 KiB
Plaintext
From nobody Tue Oct 7 19:29:17 1997
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Received: (qmail 11153 invoked by uid 1001); 7 Oct 1997 17:52:59 -0000
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Sender: gord@trick.profitpress.com
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To: Akim Demaille <demaille@inf.enst.fr>
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Cc: bug-libtool@gnu.org
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Subject: Re: Shared libs before installation
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References: <qylg1qstg1o.fsf@gargantua.enst.fr>
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X-Attribution: Gord
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Mime-Version: 1.0 (generated by tm-edit 7.92)
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Content-Type: text/plain; charset=US-ASCII
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From: Gordon Matzigkeit <gord@m-tech.ab.ca>
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Date: 07 Oct 1997 11:52:59 -0600
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In-Reply-To: Akim Demaille's message of 26 Sep 1997 14:28:51 +0200
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Message-Id: <86201xcves.fsf@trick.profitpress.com>
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X-Mailer: Gnus v5.4.42/Emacs 19.34
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Xref: trick.profitpress.com mail.libtool:570
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Lines: 41
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X-Gnus-Article-Number: 4 Mon Nov 2 17:16:26 1998
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Hi!
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>>>>> Akim Demaille writes:
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AD> We once talked about this, but let's do it again :)
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Okay! ;)
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AD> I know this is the kind of things version numbers should
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AD> solve. Nevertheless, to avoid having quickly too big a version
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AD> number, the version should be set right before a _public_
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AD> distribution (correct?). Not when sharing with
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AD> testers/maintainers.
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AD> But then they are most likely to link with an old installed
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AD> version of the .so, failing to compile correctly.
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Actually, you may consider having *huge* version numbers for testers,
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and using tiny ones for public releases.
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For testing releases use a major version corresponding with the
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current date: -version-info 19971007
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Then for the public release, figure out what has actually changed
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since last time: -version-info 3:0:1
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The huge test release major numbers will guarantee that every new test
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release will require relinking, but the public versions will be
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smarter and possibly backwards-compatible.
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AD> I am no system guy, so I may say stupid things :)
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Nothing stupid. These are legitimate questions that I will have to
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answer eventually in the documentation.
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Thanks for your questions,
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--
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Gord Matzigkeit | Proudly running pieces of the GNU operating system.
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gord@m-tech.ab.ca | Jacques Cousteau loved programming in assembler.
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From nobody Wed Oct 15 00:04:31 1997
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X-From-Line: coolo@itm.mu-luebeck.de Wed Oct 15 00:11:44 1997
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Received: from itm.mu-luebeck.de (wotan.itm.mu-luebeck.de [141.83.21.121]) by m-tech.ab.ca (8.6.12/8.6.9) with ESMTP id MAA12037 for <gord@m-tech.ab.ca>; Tue, 14 Oct 1997 12:59:53 -0600
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Received: from buri.itm.mu-luebeck.de (coolo@buri [141.83.21.130]) by itm.mu-luebeck.de (8.8.7/8.7.1) with ESMTP id UAA12900 for <gord@m-tech.ab.ca>; Tue, 14 Oct 1997 20:54:08 +0200 (MET DST)
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From: Stephan Kulow <coolo@itm.mu-luebeck.de>
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Received: (from coolo@localhost)
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by buri.itm.mu-luebeck.de (8.8.4/8.8.4)
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id UAA01692 for gord@m-tech.ab.ca; Tue, 14 Oct 1997 20:55:19 +0200
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Message-Id: <199710141855.UAA01692@buri.itm.mu-luebeck.de>
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Subject: Re: dlopen [was: libs dependencies]
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To: gord@m-tech.ab.ca (Gordon Matzigkeit)
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Date: Tue, 14 Oct 1997 20:55:19 +0200 (MET DST)
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In-Reply-To: <86wwjg1av8.fsf@trick.profitpress.com> from "Gordon Matzigkeit" at Oct 14, 97 12:02:35 pm
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Content-Type: text
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Xref: trick.profitpress.com mail.libtool:589
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Lines: 89
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X-Gnus-Article-Number: 5 Mon Nov 2 17:16:26 1998
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>
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> Hi!
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>
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> >>>>> Stephan Kulow writes:
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>
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> I think we've adequately discussed your library dependencies, but I
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> wanted to comment on the dlopen support that you mention below:
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>
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> SK> BTW: I made some efforts to use the dlopen support in libtool. I
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> SK> think, it works the way I tried it. I link staticly, if dlfcn.h
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> SK> or libdl is not supported. For this I patched libtool.m4 to
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> SK> support this. I had to remove the --enable-shared/static options
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> SK> and replaced it with --disable-dlopen option, since it looks
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> SK> somewhat strange, if you have --enable-shared in a package, where
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> SK> you do not expect libs.
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>
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> Yes, you are right. When I fully support dlopen emulation, I will
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> need to make a configure flag that can turn things on and off.
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>
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> SK> We create a binary, that loads libraries, that contain C++
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> SK> classes derived from a specific class. So, it's not necessary,
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> SK> that the binary knows, which "applets" are there while compile
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> SK> time.
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>
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> Okay, this makes sense. This is why I generate the `symbol file' when
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> -export-dynamic is given, which contains a list of symbols mapped to
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> pointers in a C source file.
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>
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> Your solution is acceptable, and if it works for your application,
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> congratulations! As I've said before, my eventual solution will be
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> generic and application-independent: I will write a true dlopen
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> implementation that uses a libtool `symbol file' to resolve pointers
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> rather than dynamic loading of code.
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>
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> The C++ portion of this will need to understand name mangling, which
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> is probably why you chose the easier way, of making your dlopening
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> application-specific.
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You say, you will write code? I tried to imagine a solution without
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new code, but I failed. So you write a new linker or just a library,
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that I can use in my own code?
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>
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> SK> This is somewhat a problem and I don't know a solution, how to
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> SK> solve this. So, I added a header file, that contains all
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> SK> currently known modules and this is only used, if no dlopen is
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> SK> available.
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>
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> Okay, I think I understand. You are saying that when dlopen is not
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> available, you emulate it by knowing in advance which modules have
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> been linked into the executable (SANE calls this `preloading'), and
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> changing your application to refer to specific C++ modules.
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Yes. I have to know while compilation time of the binary, which libraries
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get linked.
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>
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> As I've said above, when I release DLD 4.0 I'll let you know, but
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> until then, your application-specific preloading is acceptable, and
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> the Right Thing To Do.
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Thanks, it's a pleasure to hear such comments ;)
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>
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> SK> Thanks for writing libtool, Stephan
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>
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> My pleasure! Thanks for using it, :)
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BTW: Perhaps you remember, I once contacted you because of some problems
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with C++ and static objects in shared libs. I found out (or read in a
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news group), that most compilers on such plattforms do some magic before
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calling the linker. So, what libtool have to do to support such plattforms
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(Solaris, FreeBSD and perhaps some more), is to call the compiler and not
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the linker to create C++ shared libs.
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CC (under Solaris) has the same options then the linker, but should create
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correct libraries.
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Currently I set CC to CXX before I run AM_PROG_LIBTOOL to let libtool
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find the correct linker options for the C++ compiler instead of the C
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compiler.
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I just wanted to let you know, what I found out. I thought about patching
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libtool to have better support for C++, but this would mean some drastic
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changes, so I left it up to you ;)
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Greets, Stephan
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--
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Stephan Kulow (coolo@kde.org)
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Student of medical CS
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Medical University of Luebeck
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GCS/M/MD d-x s++: a-- C+++$ ULS+++ P--- L++ E W- N- o? K--? w
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!O-- !M !V PS++ !PE Y PGP++ t+ 5 X+ !R tv+ b+ DI? D- G e+>$
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h--(++) r y
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From nobody Thu Aug 20 09:31:03 1998
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X-From-Line: gord@gnu.org Wed Aug 05 11:02:23 1998
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From: alois.camenzind@ubs.com
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Date: Wed, 5 Aug 1998 12:58:13 +0200
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Message-Id: <5499F13A@MHS>
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Subject: libtool bug/problem
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MIME-Version: 1.0
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TO: bug-libtool@gnu.org
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Content-Type: multipart/mixed; boundary="MimeMultipartBoundary"
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Xref: trick.fig.org libtool:1548
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Lines: 171
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X-Gnus-Article-Number: 6 Mon Nov 2 17:16:26 1998
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--MimeMultipartBoundary
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Content-Disposition: inline; filename="PUBLIC:"
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Content-Transfer-Encoding: 7bit
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Hi
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I'd like to use libtool (ltmain.sh (GNU libtool) 1.2 togheter with the SUN C++
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compiler (CC: WorkShop Compilers 4.2 30 Oct 1996 C++ 4.2) on Solaris 5.5.1.
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Everything works good except if I'm trying to use C++ templates in my code and
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put this in a shared library. The linker is afterwards always complaining
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about missing references. The problem occurs because libtool renames
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the object
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files from xxx.o to xxx.lo. The SUN C++ compiler builds for himself a
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Template.DB
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and this somehow doens't match anymore with the object file.
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Have you ever heard of this problem and do you eventually allready have
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a solution?
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I search in Deja News but couldn't find anything.
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A solution I could think of would be to rename the xxx.lo file back to
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xxx.o before
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the linking phase.
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Thanks for any hints.
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ciao
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Alois
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--MimeMultipartBoundary--
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From nobody Wed Oct 14 17:08:59 1998
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X-From-Line: gord@mescaline.gnu.org Mon Oct 05 20:10:38 1998
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Return-Path: <gord@mescaline.gnu.org>
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for <bug-libtool@gnu.org>; Mon, 5 Oct 1998 22:56:50 +0300 (EEST)
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(envelope-from Ruslan@Shevchenko.Kiev.UA)
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Sender: rssh@proxy.grad.kiev.ua
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Message-ID: <3619242C.C441DA29@Shevchenko.Kiev.UA>
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Date: Mon, 05 Oct 1998 22:55:24 +0300
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From: Ruslan Shevchenko <Ruslan@Shevchenko.Kiev.UA>
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Reply-To: rssh@grad.kiev.ua
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X-Mailer: Mozilla 4.05 [en] (X11; I; FreeBSD 2.2.5-STABLE i386)
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MIME-Version: 1.0
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To: bug-libtool@gnu.org
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Subject: C++ libs on Solaris 2.6 with Sun CC 4.2
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Content-Type: multipart/mixed; boundary="------------48AE685394F01B5105112CF0"
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Lines: 109
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Xref: trick.fig.org libtool:1646
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This is a multi-part message in MIME format.
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--------------48AE685394F01B5105112CF0
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Content-Type: text/plain; charset=us-ascii
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Content-Transfer-Encoding: 7bit
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envirowment:
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uname -a:
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SunOS satory 5.6 Generic_105181-06 sun4u sparc SUNW,Ultra-4
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Sun CC 4.1
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libtool 1.2
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Problem:
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building of shared libraries not supported.
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(output of simple conffigure is attached.)
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and in reality, the process of linking CC library is different,
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becouse generation of templates can be doing on stage of linking.
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In general, command for linking is
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CC -xar -o$(LIBNAME) $(CXXFLAGS) $(OBJECTS)
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If anybody will tell me, from what I must begin, I will help to
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add such support.
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Thanks.
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--
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@=
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//RSSH
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mailto:Ruslan@Shevchenko.Kiev.UA
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CORBA in Ukraine & ex-USSR: http://www.corbadev.kiev.ua
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--------------48AE685394F01B5105112CF0
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Content-Type: text/plain; charset=us-ascii; name="errs"
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Content-Transfer-Encoding: 7bit
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Content-Disposition: inline; filename="errs"
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creating cache ./config.cache
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checking host system type... sparc-sun-solaris2.6
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checking target system type... sparc-sun-solaris2.6
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checking build system type... sparc-sun-solaris2.6
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checking for a BSD compatible install... config/install-sh -c
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checking whether build environment is sane... yes
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checking whether make sets ${MAKE}... yes
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checking for working aclocal... found
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checking for working autoconf... found
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checking for working automake... found
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checking for working autoheader... found
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checking for working makeinfo... missing
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checking for c++... no
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checking for g++... no
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checking for gcc... no
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checking for CC... CC
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checking whether the C++ compiler (CC ) works... yes
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checking whether the C++ compiler (CC ) is a cross-compiler... no
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checking whether we are using GNU C++... no
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checking how to run the C++ preprocessor... CC -E
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checking for ranlib... ranlib
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checking for gcc... no
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checking for cc... cc
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checking whether the C compiler (cc ) works... yes
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checking whether the C compiler (cc ) is a cross-compiler... no
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checking whether we are using GNU C... no
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checking for non-GNU ld... /usr/ucb/ld
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checking if the linker (/usr/ucb/ld) is GNU ld... no
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checking for BSD-compatible nm... /usr/ccs/bin/nm -p
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checking whether ln -s works... yes
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checking whether we are using GNU C... no
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checking for cc option to produce PIC... -KPIC
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checking if cc PIC flag -KPIC works... no
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checking if cc static flag -Bstatic works... -Bstatic
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checking if the linker (/usr/ucb/ld) is GNU ld... no
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checking whether the linker (/usr/ucb/ld) supports shared libraries... yes
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checking command to parse /usr/ccs/bin/nm -p output... yes
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checking how to hardcode library paths into programs... immediate
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checking for /usr/ucb/ld option to reload object files... -r
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checking dynamic linker characteristics... solaris2.6 ld.so
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checking if libtool supports shared libraries... no
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checking whether to build shared libraries... no
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checking whether to build static libraries... yes
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checking for objdir... .libs
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creating libtool
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checking for a BSD compatible install... config/install-sh -c
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CPPFLAGS= -I/usr/local/include
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checking for OB/CORBA.h... yes
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checking for JTC/JTC.h... yes
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checking for OB/CosNaming.h... yes
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checking for nanosleep in -lposix4... yes
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solaris2.6
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checking for socket in -lsocket... yes
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updating cache ./config.cache
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creating ./config.status
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creating Makefile
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creating src/Makefile
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creating include/Makefile
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creating tests/Makefile
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creating tests/naming/Makefile
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creating include/SyntaxShugarConfig.h
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include/SyntaxShugarConfig.h is unchanged
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--------------48AE685394F01B5105112CF0--
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From nobody Wed Oct 14 17:11:47 1998
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X-From-Line: gord@mescaline.gnu.org Tue Oct 13 18:11:55 1998
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Return-Path: <gord@mescaline.gnu.org>
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Delivered-To: gord@trick.fig.org
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Received: (qmail 694 invoked from network); 13 Oct 1998 18:11:25 -0000
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Received: from gen2-93ip34.cadvision.com (HELO bambam.m-tech.ab.ca) (209.91.93.34)
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by ip223.net247210.cr.sk.ca with SMTP; 13 Oct 1998 18:11:25 -0000
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Received: from mescaline.gnu.org (gateway [10.0.0.1])
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Message-ID: <3623937C.7E903DF8@Shevchenko.Kiev.UA>
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Date: Tue, 13 Oct 1998 20:53:00 +0300
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From: Ruslan Shevchenko <Ruslan@shevchenko.kiev.ua>
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Reply-To: rssh@grad.kiev.ua
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X-Mailer: Mozilla 4.05 [en] (X11; I; FreeBSD 2.2.5-STABLE i386)
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MIME-Version: 1.0
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To: bug-libtool@gnu.org
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Subject: overriding ARFLAGS.
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Content-Type: multipart/mixed; boundary="------------E06156B73BE5D4D4AD2BF900"
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Xref: trick.fig.org libtool:1683
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Lines: 221
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X-Gnus-Article-Number: 7 Mon Nov 2 17:16:26 1998
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This is a multi-part message in MIME format.
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--------------E06156B73BE5D4D4AD2BF900
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Content-Type: text/plain; charset=koi8-r
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Content-Transfer-Encoding: 7bit
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As I noted few days ago, the process of building a library (static or
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shared)
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with C++ can include addition steps, such as template instaniation.
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In libtool AR can be overrided from configure ${AR}, but ${ARFLAGS}
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(cru)
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is hardcoded into ltconfig.sh
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setting ${ARFLAGS} as variable (or cru if "$ARFLAGS" is empty ) actually
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enable
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building of templated C++ variables (static only yet) by overriding AR
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and ARFLAGS
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from configure.
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So, I attached to this messages diff, which change cru to ${ARFLAGS} in
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ltconfig.in (and therefore in ltconfig)
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Also, I think somewhere in documentation must exists the next note
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about
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Sun Solaris Workshop:
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/--------
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When you want build libraries with implicit templates instaniated in,
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You must puss to ltconfig next envirowmnent variables:
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AR=CC
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ARFLAGS=$CXXFLAGS -xar -o
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----------/
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--
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@=
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//RSSH
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mailto:Ruslan@Shevchenko.Kiev.UA
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CORBA in Ukraine & ex-USSR: http://www.corbadev.kiev.ua
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--------------E06156B73BE5D4D4AD2BF900
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Content-Type: text/plain; charset=koi8-r; name="libtool.diff"
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Content-Transfer-Encoding: 7bit
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Content-Disposition: inline; filename="libtool.diff"
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Only in libtool-1.2-patched: Makefile
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Only in libtool-1.2-patched: config.cache
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Only in libtool-1.2-patched: config.log
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Only in libtool-1.2-patched: config.status
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Common subdirectories: libtool-1.2/demo and libtool-1.2-patched/demo
|
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Common subdirectories: libtool-1.2/doc and libtool-1.2-patched/doc
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Only in libtool-1.2-patched: libtool
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Only in libtool-1.2-patched: libtoolize
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diff -c libtool-1.2/ltconfig libtool-1.2-patched/ltconfig
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*** libtool-1.2/ltconfig Fri Mar 20 10:00:29 1998
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--- libtool-1.2-patched/ltconfig Tue Oct 13 20:01:31 1998
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***************
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*** 89,95 ****
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--- 89,101 ----
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with_gcc=no
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with_gnu_ld=no
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+ if test "x$ARFLAGS" = x
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+ then
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+ ARFLAGS=cru
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+ fi
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+
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old_AR="$AR"
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+ old_ARFLAGS="$ARFLAGS"
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old_CC="$CC"
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old_CFLAGS="$CFLAGS"
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old_CPPFLAGS="$CPPFLAGS"
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***************
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*** 320,326 ****
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esac
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# Determine commands to create old-style static archives.
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! old_archive_cmds='$AR cru $oldlib$oldobjs'
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old_postinstall_cmds='chmod 644 $oldlib'
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old_postuninstall_cmds=
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--- 326,332 ----
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esac
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# Determine commands to create old-style static archives.
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! old_archive_cmds='$AR $ARFLAGS $oldlib$oldobjs'
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old_postinstall_cmds='chmod 644 $oldlib'
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old_postuninstall_cmds=
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***************
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*** 732,738 ****
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case "$host_os" in
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aix3*)
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allow_undefined_flag=unsupported
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! archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' > $lib.exp;$LD -o $objdir/$soname$libobjs -bE:$lib.exp -T512 -H512 -bM:SRE;$AR cru $lib $objdir/$soname'
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# Note: this linker hardcodes the directories in LIBPATH if there
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# are no directories specified by -L.
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hardcode_minus_L=yes
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--- 738,744 ----
|
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case "$host_os" in
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aix3*)
|
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allow_undefined_flag=unsupported
|
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! archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' > $lib.exp;$LD -o $objdir/$soname$libobjs -bE:$lib.exp -T512 -H512 -bM:SRE;$AR $ARFLAGS $lib $objdir/$soname'
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# Note: this linker hardcodes the directories in LIBPATH if there
|
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# are no directories specified by -L.
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|
hardcode_minus_L=yes
|
|
***************
|
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*** 745,757 ****
|
|
|
|
aix4*)
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allow_undefined_flag=unsupported
|
|
! archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' > $lib.exp;$CC -o $objdir/$soname$libobjs ${wl}-bE:$lib.exp ${wl}-bM:SRE ${wl}-bnoentry;$AR cru $lib $objdir/$soname'
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hardcode_direct=yes
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|
hardcode_minus_L=yes
|
|
;;
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|
|
|
amigaos*)
|
|
! archive_cmds='$rm $objdir/a2ixlibrary.data;$echo "#define NAME $libname" > $objdir/a2ixlibrary.data;$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data;$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data;$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data;$AR cru $lib$libobjs;$RANLIB $lib;(cd $objdir && a2ixlibrary -32)'
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hardcode_libdir_flag_spec='-L$libdir'
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hardcode_minus_L=yes
|
|
;;
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--- 751,763 ----
|
|
|
|
aix4*)
|
|
allow_undefined_flag=unsupported
|
|
! archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' > $lib.exp;$CC -o $objdir/$soname$libobjs ${wl}-bE:$lib.exp ${wl}-bM:SRE ${wl}-bnoentry;$AR $ARFLAGS $lib $objdir/$soname'
|
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hardcode_direct=yes
|
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hardcode_minus_L=yes
|
|
;;
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|
|
amigaos*)
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! archive_cmds='$rm $objdir/a2ixlibrary.data;$echo "#define NAME $libname" > $objdir/a2ixlibrary.data;$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data;$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data;$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data;$AR $ARFLAGS $lib$libobjs;$RANLIB $lib;(cd $objdir && a2ixlibrary -32)'
|
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hardcode_libdir_flag_spec='-L$libdir'
|
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hardcode_minus_L=yes
|
|
;;
|
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diff -c libtool-1.2/ltconfig.in libtool-1.2-patched/ltconfig.in
|
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*** libtool-1.2/ltconfig.in Wed Mar 11 18:10:51 1998
|
|
--- libtool-1.2-patched/ltconfig.in Tue Oct 13 20:44:56 1998
|
|
***************
|
|
*** 320,331 ****
|
|
esac
|
|
|
|
# Determine commands to create old-style static archives.
|
|
! old_archive_cmds='$AR cru $oldlib$oldobjs'
|
|
old_postinstall_cmds='chmod 644 $oldlib'
|
|
old_postuninstall_cmds=
|
|
|
|
# Set a sane default for `AR'.
|
|
test -z "$AR" && AR=ar
|
|
|
|
# If RANLIB is not set, then run the test.
|
|
if test "${RANLIB+set}" != "set"; then
|
|
--- 320,332 ----
|
|
esac
|
|
|
|
# Determine commands to create old-style static archives.
|
|
! old_archive_cmds='$AR $ARFLAGS $oldlib$oldobjs'
|
|
old_postinstall_cmds='chmod 644 $oldlib'
|
|
old_postuninstall_cmds=
|
|
|
|
# Set a sane default for `AR'.
|
|
test -z "$AR" && AR=ar
|
|
+ test -z "$ARFLAGS" && ARFLAGS=cru
|
|
|
|
# If RANLIB is not set, then run the test.
|
|
if test "${RANLIB+set}" != "set"; then
|
|
***************
|
|
*** 732,738 ****
|
|
case "$host_os" in
|
|
aix3*)
|
|
allow_undefined_flag=unsupported
|
|
! archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' > $lib.exp;$LD -o $objdir/$soname$libobjs -bE:$lib.exp -T512 -H512 -bM:SRE;$AR cru $lib $objdir/$soname'
|
|
# Note: this linker hardcodes the directories in LIBPATH if there
|
|
# are no directories specified by -L.
|
|
hardcode_minus_L=yes
|
|
--- 733,739 ----
|
|
case "$host_os" in
|
|
aix3*)
|
|
allow_undefined_flag=unsupported
|
|
! archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' > $lib.exp;$LD -o $objdir/$soname$libobjs -bE:$lib.exp -T512 -H512 -bM:SRE;$AR $ARFLAGS $lib $objdir/$soname'
|
|
# Note: this linker hardcodes the directories in LIBPATH if there
|
|
# are no directories specified by -L.
|
|
hardcode_minus_L=yes
|
|
***************
|
|
*** 745,757 ****
|
|
|
|
aix4*)
|
|
allow_undefined_flag=unsupported
|
|
! archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' > $lib.exp;$CC -o $objdir/$soname$libobjs ${wl}-bE:$lib.exp ${wl}-bM:SRE ${wl}-bnoentry;$AR cru $lib $objdir/$soname'
|
|
hardcode_direct=yes
|
|
hardcode_minus_L=yes
|
|
;;
|
|
|
|
amigaos*)
|
|
! archive_cmds='$rm $objdir/a2ixlibrary.data;$echo "#define NAME $libname" > $objdir/a2ixlibrary.data;$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data;$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data;$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data;$AR cru $lib$libobjs;$RANLIB $lib;(cd $objdir && a2ixlibrary -32)'
|
|
hardcode_libdir_flag_spec='-L$libdir'
|
|
hardcode_minus_L=yes
|
|
;;
|
|
--- 746,758 ----
|
|
|
|
aix4*)
|
|
allow_undefined_flag=unsupported
|
|
! archive_cmds='$NM$libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' > $lib.exp;$CC -o $objdir/$soname$libobjs ${wl}-bE:$lib.exp ${wl}-bM:SRE ${wl}-bnoentry;$AR $ARFLAGS $lib $objdir/$soname'
|
|
hardcode_direct=yes
|
|
hardcode_minus_L=yes
|
|
;;
|
|
|
|
amigaos*)
|
|
! archive_cmds='$rm $objdir/a2ixlibrary.data;$echo "#define NAME $libname" > $objdir/a2ixlibrary.data;$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data;$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data;$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data;$AR $ARFLAGS $lib$libobjs;$RANLIB $lib;(cd $objdir && a2ixlibrary -32)'
|
|
hardcode_libdir_flag_spec='-L$libdir'
|
|
hardcode_minus_L=yes
|
|
;;
|
|
Common subdirectories: libtool-1.2/tests and libtool-1.2-patched/tests
|
|
|
|
--------------E06156B73BE5D4D4AD2BF900--
|
|
|
|
From nobody Wed Oct 14 16:56:33 1998
|
|
X-From-Line: gord@gnu.org Thu Aug 06 20:23:55 1998
|
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Return-Path: <gord@gnu.org>
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|
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X-If-you-can-read-this-you-are-too-close: :)
|
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Date: Thu, 6 Aug 1998 15:17:11 -0500 (CDT)
|
|
From: Ron Romero <ron.romero@wcom.com>
|
|
Sender: rdromero@pinebilly.wcom.com
|
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Reply-To: ron.romero@wcom.com
|
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To: bug-libtool@gnu.org
|
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Subject: libtool Doesn't Export C++ Methods on AIX
|
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Message-ID: <Pine.A41.3.96.980806150532.36284A-100000@pinebilly.wcom.com>
|
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Xref: araguaia.dcc.unicamp.br libtool-cxx:8
|
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Lines: 26
|
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X-Gnus-Article-Number: 8 Wed Nov 4 08:08:35 1998
|
|
|
|
I'm trying to use libtool with C++ programs, and found that libtool
|
|
wouldn't put any C++ methods into the shared library. When I looked
|
|
into it, I found that the nm command used to create the export list
|
|
doesn't pass a -C flag. On AIX, the -C flag says to leave C++ names
|
|
mangled. Since the function names weren't mangled, the sed line
|
|
didn't recognize them as functions, so they weren't put into the .exp
|
|
file. I found that I could fix the problem by adding a -C flag to
|
|
ac_cv_path_NM in config.guess. I suppose the configure script should
|
|
check for that and do it automatically.
|
|
|
|
I'm running libtool version 1.2 on an AIX 4.2 box
|
|
(powerpc-ibm-aix4.2.1.0).
|
|
|
|
I have some test files that I can give to anyone who wants to test
|
|
this. And I can test potential fixes on my machine.
|
|
|
|
|
|
Thank you,
|
|
|
|
Ron Romero
|
|
ron.romero@wcom.com
|
|
Object Developer
|
|
WorldCom, Inc.
|
|
|
|
From libtool-request@gnu.org Wed Jun 9 13:20 EST 1999
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Date: Thu, 10 Jun 1999 02:16:32 +1000 (EST)
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From: "Ron O'Hara" <rono@sentuny.com.au>
|
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To: libtool@gnu.org
|
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Subject: AIX, C++, shared multi-thread libraries and libtool
|
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Lines: 28
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X-Gnus-Article-Number: 9 Fri Jun 25 20:06:59 1999
|
|
|
|
|
|
AIX, C++, shared multi-thread libraries and libtool
|
|
|
|
Ughh ... what a combination
|
|
|
|
Anyway... it appears that for AIX4.2.1.0 creating shared libraries is very
|
|
tricky. You must use the 'makeC++SharedLib_r' script that IBM supplies.
|
|
Not the xlC_r compiler as libtool does.
|
|
|
|
In addition, I kept getting unresolved symbols when linking against my own
|
|
libraries. I needed to set 'always_export_symbols=yes' even though the
|
|
-bexpall flag is supposed to fix that..
|
|
|
|
To do that I had to edit 'ltconfig.in' (about line 1262 for libtool-1.3.2)
|
|
and set it always on - regardless of the host_os version.
|
|
|
|
I can now get it all to link, but this is sure an ugly monster !! and the
|
|
executable files are definitely HUGE
|
|
|
|
|
|
|
|
|
|
------------------------------------------------------------------
|
|
email: rono@sentuny.com.au
|
|
BH: (GMT) +353 21 281469
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Mobile: +61 419 873 801
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From marcusd@cathcart.sysc.pdx.edu Fri Jun 18 17:46 EST 1999
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by cathcart.sysc.pdx.edu (8.9.3/8.9.3/Debian/GNU) id NAA30172;
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Fri, 18 Jun 1999 13:50:02 -0700
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To: Alexandre Oliva <oliva@dcc.unicamp.br>
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Cc: libtool@gnu.org
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Subject: Re: constructors in HPUX/SOM shared libraries
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References: <199905161700.LAA01572@pojoaque.santafe.edu> <ord7zsc7h1.fsf@lua.lbi.dcc.unicamp.br>
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From: marcusd@cathcart.sysc.pdx.edu (Marcus G. Daniels)
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Date: 18 Jun 1999 13:50:01 -0700
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In-Reply-To: Alexandre Oliva's message of "23 May 1999 09:10:18 -0300"
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X-Gnus-Mail-Source: file:/n/mail.spool/oliva
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Message-ID: <rfik8t1mdxi.fsf@cathcart.sysc.pdx.edu>
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User-Agent: Gnus/5.070084 (Pterodactyl Gnus v0.84) Emacs/20.3.10
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MIME-Version: 1.0
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Content-Type: text/plain; charset=us-ascii
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X-Content-Length: 1653
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Xref: saci.lsd.dcc.unicamp.br libtool-cxx:10
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Lines: 68
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X-Gnus-Article-Number: 10 Fri Jun 25 20:06:59 1999
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>>>>> "AO" == Alexandre Oliva <oliva@dcc.unicamp.br> writes:
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AO> IMO, the way to go is to try to use gcc -shared to create shared
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AO> libraries, because then gcc's collect2 will (is supposed to?) take
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AO> care of the magic for constructors to run.
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Unfortunately, it doesn't. Of course, with glibc or Solaris, a GNU
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as/ld equipped GCC will do the job:
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marcusd@cathcart[~] $ cat constructor.c
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void tryme (void) __attribute__ ((constructor));
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void
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tryme (void)
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{
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printf ("constructor\n");
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}
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marcusd@cathcart[~] $ cat test-constructor.c
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#include <dlfcn.h>
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main ()
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{
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void *handle = dlopen ("./libconstructor.so", RTLD_GLOBAL | RTLD_LAZY);
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printf ("%p\n", handle);
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printf ("main\n");
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}
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marcusd@cathcart[~] $ gcc -fPIC -c constructor.c
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marcusd@cathcart[~] $ gcc -shared constructor.o -o libconstructor.so
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marcusd@cathcart[~] $ gcc test-constructor.c -ldl
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marcusd@cathcart[~] $ ./a.out
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constructor
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0x80496a8
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main
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However, the equivalent on HPsUX fails:
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mgd@pajarito[~] $ cat test-constructor.c
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#include <dl.h>
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#define SHL_FLAGS (BIND_IMMEDIATE | BIND_NONFATAL | DYNAMIC_PATH)
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main ()
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{
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shl_t handle;
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handle = shl_load ("./libconstructor.sl", SHL_FLAGS, 0L);
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printf ("%x\n", handle);
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printf ("main\n");
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}
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mgd@pajarito[~] $ gcc -c -fPIC constructor.c
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mgd@pajarito[~] $ gcc -fPIC -shared constructor.o -o libconstructor.sl
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mgd@pajarito[~] $ gcc test-constructor.c -ldld
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mgd@pajarito[~] $ ./a.out
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7b031748
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main
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However, there is a flag to the HP linker that provides the needed
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feature:
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mgd@pajarito[~] $ gcc -Wl,+I,tryme -fPIC -shared constructor.o -o libconstructor.sl
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mgd@pajarito[~] $ ./a.out
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constructor
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7b031748
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main
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