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Add configure option --with-system-tzdata to use operating system time zone

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database.
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Peter Eisentraut
2007-08-20 08:53:12 +00:00
parent e1a1da9f4b
commit 4e94d1f952
5 changed files with 90 additions and 5 deletions
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doc/src/sgml/installation.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.290 2007/07/18 12:00:47 mha Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.291 2007/08/20 08:53:12 petere Exp $ -->
<chapter id="installation">
<title><![%standalone-include[<productname>PostgreSQL</>]]>
@ -1021,6 +1021,44 @@ su - postgres
</listitem>
</varlistentry>
<varlistentry>
<term><option>--with-system-tzdata=<replaceable>DIRECTORY</replaceable></option></term>
<indexterm>
<primary>time zone data</primary>
</indexterm>
<listitem>
<para>
PostgreSQL includes its own time zone database, which it
requires for date and time operations. This time zone
database is in fact compatible with the time zone database
provided by many operating systems such as FreeBSD, Linux,
and Solaris, so it would be redundant to install it again.
When this option is used, the operating system supplied time
zone database in <replaceable>DIRECTORY</replaceable> is used
instead of the one included in the PostgreSQL source
distribution. <filename>/usr/share/zoneinfo/</filename> is a
likely directory on some operating systems. Note that the
installation routine does not detect mismatching or erroneous
time zone data. You are advised to run the regression tests
to verify that the time zone data you have pointed to works
correctly.
</para>
<para>
This option is mainly aimed at binary package distributors
who know their target operating system well. The main
advantage of using this option is that the PostgreSQL package
won't need to be upgraded whenever any of the many local
daylight-saving time rules changes. Another completely
incidental advantage is that PostgreSQL can be
cross-compiled<indexterm><primary>cross
compilation</primary></indexterm> straightforwardly if the
time-zone database does not need to be built during the
installation.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--without-zlib</option></term>
<listitem>