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From: panis...@McRCIM.McGill.EDU (Jean-Francois Panisset)
Newsgroups: comp.os.linux
Subject: Where is libipc.a?
Date: 19 Jun 1993 14:01:17 -0400
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I was trying to compile GNU Emacs-19.14 on my machine when I ran across
an annoying problem: the stuff in lib-src wants access to the IPC stuff
(it didn't do that in 19.12: I guess this must be new). In anycase, now
that I'm running 0.99.10, the IPC support is built into the kernel,
but what about /usr/include/sys/{ipc,msg,sem,shm}.h and /usr/lib/libipc.a
which you need to build programs? I couldn't find them with the kernel
source (makes sense), or with libc 4.4. I tried using the stuff from
ipcdelta.tar.z, but that seems to date back to March and the corresponding
include files in /usr/include/linux don't match with the ones which are
supposed to go into /usr/include/sys or the source to libipc.a.

So can anyone tell me how to get a working set of /usr/include/sys include
files and a libipc.a?

Thanks in advance,


-- 
Jean-Francois Panisset                    
INET: panis...@mcrcim.mcgill.ca            
UUCP: ...!mcgill-vision!panisset

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From: dan...@austin.ibm.com (Daniel Supernaw-Issen)
Subject: Re: Where is libipc.a?
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Date: Sat, 19 Jun 1993 18:55:53 GMT
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I've had this problem.  The solution is simple.  Go grab the IPC delta
package.  Yes I know it was written for pl9. get it anyways.  unpack it some
where.  In the directory it creates (I forget the name, I'm not near my home
machine right now) there is a director called test. go to test and type
make libipc  This should build the bugger.  mv libipc to /usr/lib or some
such thing.  Good luck.

Daniel Supernaw-Issen
send all email/flames/praise/etc to danie...@cs.utexas.edu

I speak for nobody but myself.

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From: bala...@violin.cis.ohio-state.edu (Krishna Balasubramanian)
Newsgroups: comp.os.linux
Subject: Re: Where is libipc.a?
Date: 19 Jun 1993 19:29:36 -0400
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In-reply-to: daniel@austin.ibm.com's message of Sat, 19 Jun 1993 18:55:53 GMT



   I've had this problem.  The solution is simple.  Go grab the IPC delta
   package.  Yes I know it was written for pl9. get it anyways.  unpack it some
   where.  In the directory it creates (I forget the name, I'm not near my home
   machine right now) there is a director called test. go to test and type
   make libipc  This should build the bugger.  mv libipc to /usr/lib or some
   such thing.  Good luck.

   Daniel Supernaw-Issen


You should change all occurrences of KERNEL to __KERNEL__ in the
include files sys/*.h and libipc.c

0. Ignore the README files
1. Install the sys/*.h includes
2. Edit the same includes as above
3. Edit libipc.c as above
4. make libipc.a
5. Install it and use -lipc to link programs that use it.


HJ has put out sources for inclusion of the ipc syscalls in libc
Unfortunately no one seems to have built it yet ...

krishna

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From: m...@muts.hacktic.nl (Peter Mutsaers)
Newsgroups: comp.os.linux
Subject: Re: Where is libipc.a?
Message-ID: <MUTS.93Jun20102822@muts.hacktic.nl>
Date: Sun, 20 Jun 1993 09:28:22 GMT
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Sender: m...@muts.hacktic.nl (Peter Mutsaers)
Organization: My unorganized home
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In-Reply-To: panisset@McRCIM.McGill.EDU's message of 19 Jun 1993 14:01:17 -0400

On 19 Jun 1993 14:01:17 -0400, panis...@McRCIM.McGill.EDU 
(Jean-Francois Panisset) said:

  JP> I was trying to compile GNU Emacs-19.14 on my machine when I ran
  JP> across an annoying problem: the stuff in lib-src wants access to
  JP> the IPC stuff (it didn't do that in 19.12: I guess this must be
  JP> new). In anycase, now that I'm running 0.99.10, the IPC support

My, what has that been done for. Its good to have SYSV IPC there in
case some crippled program needs it, but why does emacs suddenly start
to use it?!?
-- 
______________________________________________________________________
Peter Mutsaers       |  Bunnik (Ut),     |      Quod licet bovi,
m...@muts.hacktic.nl |  the Netherlands  |      non licet Jovi

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From: fa...@cs.unc.edu (Rik Faith)
Newsgroups: gnu.emacs.bug
Subject: SYSV IPC under Linux
Date: 22 Jun 1993 17:54:18 -0400
Organization: GNUs Not Usenet
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Approved: bug-gnu-em...@prep.ai.mit.edu
Distribution: gnu
Message-ID: <9306221324.AA27997@bert.cs.unc.edu>

The following lines appeared in linux.h (for 19.15):

/* Rob Malouf <mal...@csli.stanford.edu> says:
   SYSV IPC is standard a standard part of Linux since version 0.99pl10,
   and is a very common addition to previous versions.  */
#define LIBS_MACHINE -lipc
#define HAVE_SYSVIPC



1) Linux 0.99.10 has been out for only a few weeks, and not everyone in the
Linux community has upgraded.

2) Although IPC support is provided in the "standard" Linux 0.99.10 kernel,
it is an installation *option*.  So even people who have upgraded don't
necessarily have IPC.

3) libipc.a does not come with 0.99.10.  The new libc (4.4.1) will have ipc
suport built in, so the LIBS_MACHINE line is now anachronistic, and should
be removed as soon as libc 4.4.1 is available publically (1-2 weeks?).

4) I understand that this change was made so that emacsserver and
emacsclient would work.  In point of fact, these programs already worked.

5) If there is some over-riding reason why Emacs 19 needs IPC under Linux,
then that reason should be explained in detail.  Otherwise, I think that,
in the interest of making all of Emacs 19 usable on as many Linux systems
as possible, HAVE_SYSVIPC should be removed from linux.h

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