postgrespro
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@@ -1,5 +1,5 @@
 <!--
-$PostgreSQL: pgsql/doc/src/sgml/cvs.sgml,v 1.34 2005/08/11 13:52:33 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/cvs.sgml,v 1.35 2005/10/15 20:15:48 neilc Exp $
 -->
 
 <appendix id="cvs">
@@ -702,190 +702,6 @@ $ which cvsup
  </sect1>
 </appendix>
 
-<!--
-> It became clear that I had a problem with my m3 installation; some
-> X11 libraries were not being found correctly.
-
-By the way, you can build the client without the GUI by doing this
-in the "client" subdirectory:
-
-    m3build -DNOGUI
-
-If you build it that way, then it doesn't need the X11 libraries and
-it's quite a bit smaller.  The GUI is fun to watch, but it's not
-very useful.  I originally implemented it because it made debugging
-the multi-threaded client program much easier.
-
-To build a statically-linked client, edit <filename>client/src/m3makefile</filename>
-to add <literal>build_standalone()</literal>
- just before the <literal>program()</literal> entry near
-the end of the file:
-
-<programlisting>
-build_standalone()
-program(cvsup)
-</programlisting>
-
-Then, if cvsup has already been built, remove the machine-specific build directory
-(e.g. <filename>LINUXELF/</filename>) and rebuild:
-
-<programlisting>
-rm -rf LINUXELF
-m3build -DNOGUI -v
-cp -p LINUXELF/cvsup /usr/local/bin
-</programlisting>
-
-> Anyway, with the reinstall and the two-line patch above (and that
-> one include-file _POSIX_SOURCE workaround from the previous try),
-> things built cleanly.
-
-Good!
-
-> Now I just need a server somewhere to test.
-
-If you want to try it out, there are public servers for the FreeBSD
-source repository at cvsup.freebsd.org and cvsup2.freebsd.org.
-Here's a suggested supfile:
-
-*default host=cvsup.freebsd.org compress
-*default release=cvs
-*default base=/home/jdp/cvsup-test	# FIX THIS
-*default delete use-rel-suffix
-# *default tag=.
-src-bin
-
-This will fetch you the source repository for the programs that get
-installed into "/bin".  I chose it because it's one of the smaller
-pieces of the system.  Make an empty directory someplace for
-testing, and change the "FIX THIS" line to specify that directory
-after the "base=".
-
-If you are on a T1 or better, you should probably delete the
-"compress" keyword in the first line.
-
-As shown, it will get the repository (RCS) files.  If you uncomment
-the line containing "tag=." then it will instead check out the
-latest version of each file.  There's a bunch more information about
-what you can do in the 
-<ulink url="http://www.freebsd.org/handbook/cvsup.html">
-CVSup Handbook</ulink>.
-
-There is one other thing I want to send you, but not tonight.  I
-discovered the hard way that you need a malloc package that is
-thread-safe with respect to the Modula-3 threads package.  The
-Modula-3 runtime takes care to do the proper mutual exclusion around
-all calls it makes to malloc.  But if you call certain functions in
-the native C library which in turn call malloc, then the mutual
-exclusion gets bypassed.  This can lead to rare but baffling core
-dumps.
-
-For FreeBSD, I solved this by adding a thread-safe malloc package
-into the Modula-3 runtime.  The package is quite portable, and I'm
-sure it will work well for Linux with very few changes (probably
-none at all).  I want to send it to you along with instructions
-for making it a part of the "libm3core" library.  It's very simple,
-but I've run out of steam for tonight. :-)  Once you have this
-malloc in place, the CVSup system should be rock solid.  We have
-servers that have been up for weeks and have served many thousands
-of clients without any observed problems.
-
-> We hope to have the PostgreSQL tree using CVSup within a month or
-> so, and hope to retire sup in September...
-
-Great!  I'll do my best to help make sure you don't regret it.
-
-John
-
-Tom,
-
-I'm appending the sources for the thread safe version of malloc that
-I told you about.  I believe that it will simply compile and work
-under Linux, but I've never had an opportunity to test it there.
-I urge you to put it into your Modula-3 system; otherwise, you
-are guaranteed to get occasional mysterious core dumps from cvsupd.
-
-As a first step, I'd suggest simply trying to compile it under
-Linux, like this:
-
-    cc -O -c malloc.c
-
-You shouldn't get any errors or warnings.  If you do, contact me
-before you waste any more time on it.
-
-Assuming it compiles OK, copy malloc.c into this directory of your
-Modula-3 source tree:
-
-    m3/m3core/src/runtime/LINUXELF
-
-In that same directory, edit "m3makefile" and add this line to the
-end of the file:
-
-    c_source       ("malloc")
-
-Then chdir up into "m3/m3core" of the Modula-3 tree and type
-"m3build".  (I'm assuming you already have a working Modula-3
-installation.)  After that finishes, become root and type "m3ship"
-to install it.
-
-That's all there is to it.  If you built cvsup and cvsupd to use
-shared libraries, you don't even need to re-link them.  They'll pick
-up the change automatically from the updated shared library.
-
-Let me know if you run into any problems with it.
-
-By the way, this is a very good malloc in its own right.  It's worth
-using even aside from the thread safety of it.
-
-Regards,
-John
-
-I've deposited a statically built cvsup client executable (and man pages
-and test configuration) in
-
-  /pub/incoming/cvsup-15.1-client-linux.tar.gz
-
-This was built and linked on Linux/v2.0.30, RH/v4.2, gnulib/v5.3.12 and
-includes the thread-safe malloc provided by John Polstra. I'll forward
-to you the malloc code and an additional installation e-mail from John.
-
-The Modula-3 installation takes a good bit of room (~50MB?) and the
-build environment is unique to Modula-3, but suprisingly enough it
-pretty much works.
-
-The cvsup Makefiles do not work on my machine (they are not portable
-yet) but each major package (there are 4) can be built without needing
-the makefiles with two commands each. Not difficult at all. John gives
-some hints in his e-mail on how to build a static executable, and on how
-to shrink the size of the executable by leaving out the GUI support.
-Again, easy to do.
-
-My client test case, picking up a sub-tree of the FreeBSD distribution,
-worked flawlessly. I haven't tried running a server.
-
-Thanks to John for getting me going.
-
-			- Tom
-
-
-For the thread-safe malloc, do the following:
-1) install Modula-3
-2) add the enclosed file "malloc.c" to m3/m3core/src/runtime/LINUXELF
-3) edit the last line of m3makefile in the same directory to add
-     c_source       ("malloc")
-4) do an "m3build" and an m3ship from the appropriate directory.
-
-From what John said, the malloc problem can be noticable for the
-server-side running cvsupd. Clients may not need it.
-
-Unfortunately I seem to have lost John's original good instructions for
-this, so am doing this from memory. May need to ask John to give
-instructions again...
-
-			- Tom
-
--->
-
-
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