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Update FAQ_DEV.
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<A href="#12">12</A>) How do I add a new port?<BR>
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<A href="#12">12</A>) How do I add a new port?<BR>
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<A href="#13">13</A>) What is CommandCounterIncrement()?<BR>
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<A href="#13">13</A>) What is CommandCounterIncrement()?<BR>
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<A href="#14">14</A>) Why don't we use threads in the backend?<BR>
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<A href="#14">14</A>) Why don't we use threads in the backend?<BR>
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<A href="#15">15</A>) How are RPM's packaged?<BR>
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<BR>
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<BR>
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<HR>
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<HR>
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@ -68,7 +69,8 @@
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ccsym find standard defines made by your compiler
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ccsym find standard defines made by your compiler
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entab converts tabs to spaces, used by pgindent
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entab converts tabs to spaces, used by pgindent
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find_static finds functions that could be made static
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find_static finds functions that could be made static
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find_typedef get a list of typedefs in the source code
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find_typedef finds a list of typedefs in the source code
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find_badmacros finds macros that use braces incorrectly
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make_ctags make vi 'tags' file in each directory
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make_ctags make vi 'tags' file in each directory
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make_diff make *.orig and diffs of source
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make_diff make *.orig and diffs of source
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make_etags make emacs 'etags' files
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make_etags make emacs 'etags' files
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@ -539,6 +541,99 @@
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<LI>The backend code would be more complex.</LI>
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<LI>The backend code would be more complex.</LI>
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</UL>
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</UL>
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<H3><A name="15">15</A>) How are RPM's packaged?</H3>
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<P>This is from Lamar Owen:</P>
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<PRE>
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As to how the RPMs are built -- to answer that question sanely requires
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me to know how much experience you have with the whole RPM paradigm.
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'How is the RPM built?' is a multifaceted question. The obvious simple
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answer is that I maintain:
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1.) A set of patches to make certain portions of the source
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tree 'behave' in the different environment of the RPMset;
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2.) The initscript;
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3.) Any other ancilliary scripts and files;
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4.) A README.rpm-dist document that tries to adequately document
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both the differences between the RPM build and the WHY of the
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differences, as well as useful RPM environment operations
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(like, using syslog, upgrading, getting postmaster to
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start at OS boot, etc);
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5.) The spec file that throws it all together. This is not a
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trivial undertaking in a package of this size.
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I then download and build on as many different canonical distributions
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as I can -- currently I am able to build on Red Hat 6.2, 7.0, and 7.1 on
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my personal hardware. Occasionally I receive opportunity from certain
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commercial enterprises such as Great Bridge and PostgreSQL Inc to build
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on other distributions.
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I test the build by installing the resulting packages and running the
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regression tests. Once the build passes these tests, I upload to the
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postgresql.org ftp server and make a release announcement. I am also
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responsible for maintaining the RPM download area on the ftp site.
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You'll notice I said 'canonical' distributions above. That simply means
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that the machine is as stock 'out of the box' as practical -- that is,
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everything (except select few programs) on these boxen are installed by
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RPM; only official Red Hat released RPMs are used (except in unusual
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circumstances involving software that will not alter the build -- for
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example, installing a newer non-RedHat version of the Dia diagramming
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package is OK -- installing Python 2.1 on the box that has Python 1.5.2
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installed is not, as that alters the PostgreSQL build). The RPM as
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uploaded is built to as close to out-of-the-box pristine as is
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possible. Only the standard released 'official to that release'
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compiler is used -- and only the standard official kernel is used as
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well.
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For a time I built on Mandrake for RedHat consumption -- no more.
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Nonstandard RPM building systems are worse than useless. Which is not
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to say that Mandrake is useless! By no means is Mandrake useless --
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unless you are building Red Hat RPMs -- and Red Hat is useless if you're
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trying to build Mandrake or SuSE RPMs, for that matter. But I would be
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foolish to use 'Lamar Owen's Super Special RPM Blend Distro 0.1.2' to
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build for public consumption! :-)
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I _do_ attempt to make the _source_ RPM compatible with as many
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distributions as possible -- however, since I have limited resources (as
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a volunteer RPM maintainer) I am limited as to the amount of testing
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said build will get on other distributions, architectures, or systems.
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And, while I understand people's desire to immediately upgrade to the
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newest version, realize that I do this as a side interest -- I have a
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regular, full-time job as a broadcast
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engineer/webmaster/sysadmin/Technical Director which occasionally
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prevents me from making timely RPM releases. This happened during the
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early part of the 7.1 beta cycle -- but I believe I was pretty much on
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the ball for the Release Candidates and the final release.
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I am working towards a more open RPM distribution -- I would dearly love
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to more fully document the process and put everything into CVS -- once I
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figure out how I want to represent things such as the spec file in a CVS
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form. It makes no sense to maintain a changelog, for instance, in the
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spec file in CVS when CVS does a better job of changelogs -- I will need
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to write a tool to generate a real spec file from a CVS spec-source file
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that would add version numbers, changelog entries, etc to the result
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before building the RPM. IOW, I need to rethink the process -- and then
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go through the motions of putting my long RPM history into CVS one
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version at a time so that version history information isn't lost.
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As to why all these files aren't part of the source tree, well, unless
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there was a large cry for it to happen, I don't believe it should.
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PostgreSQL is very platform-agnostic -- and I like that. Including the
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RPM stuff as part of the Official Tarball (TM) would, IMHO, slant that
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agnostic stance in a negative way. But maybe I'm too sensitive to
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that. I'm not opposed to doing that if that is the consensus of the
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core group -- and that would be a sneaky way to get the stuff into CVS
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:-). But if the core group isn't thrilled with the idea (and my
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instinct says they're not likely to be), I am opposed to the idea -- not
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to keep the stuff to myself, but to not hinder the platform-neutral
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stance. IMHO, of course.
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Of course, there are many projects that DO include all the files
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necessary to build RPMs from their Official Tarball (TM).
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</PRE>
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