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Document --enable-cassert.

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Tom Lane 2001-02-19 22:25:43 +00:00
parent eda82e791c
commit 2884073848
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doc/src/sgml/installation.sgml
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<!-- $Header: /cvsroot/pgsql/doc/src/sgml/installation.sgml,v 1.37 2001/02/17 16:52:53 tgl Exp $ -->
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/installation.sgml,v 1.38 2001/02/19 22:25:43 tgl Exp $ -->
<chapter id="installation">
<title><![%flattext-install-include[<productname>PostgreSQL</>]]> Installation Instructions</title>
@ -682,8 +682,32 @@ su - postgres
<para>
Compiles all programs and libraries with debugging symbols.
This means that you can run the programs through a debugger
to analyze problems. This option is not recommended for
production use.
to analyze problems. This enlarges the size of the installed
executables considerably, and on non-gcc compilers it usually
also disables compiler optimization, causing slowdowns. However,
having the symbols available is extremely helpful for dealing
with any problems that may arise. Currently, this option is
considered of marginal value for production installations, but
you should have it on if you are doing development work or
running a beta version.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>--enable-cassert</term>
<listitem>
<para>
Enables <firstterm>assertion</> checks in the server, which test for
many <quote>can't happen</> conditions. This is invaluable for
code development purposes, but the tests slow things down a little.
Also, having the tests turned on won't necessarily enhance the
stability of your server! The assertion checks are not categorized
for severity, and so what might be a relatively harmless bug will
still lead to postmaster restarts if it triggers an assertion
failure. Currently, this option is not recommended for
production use, but you should have it on for development work
or when running a beta version.
</para>
</listitem>
</varlistentry>