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Support BSD and e2fsprogs UUID libraries alongside OSSP UUID library.

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Allow the contrib/uuid-ossp extension to be built atop any one of these
three popular UUID libraries.  (The extension's name is now arguably a
misnomer, but we'll keep it the same so as not to cause unnecessary
compatibility issues for users.)

We would not normally consider a change like this post-beta1, but the issue
has been forced by our upgrade to autoconf 2.69, whose more rigorous header
checks are causing OSSP's header files to be rejected on some platforms.
It's been foreseen for some time that we'd have to move away from depending
on OSSP UUID due to lack of upstream maintenance, so this is a down payment
on that problem.

While at it, add some simple regression tests, in hopes of catching any
major incompatibilities between the three implementations.

Matteo Beccati, with some further hacking by me
This commit is contained in:
Tom Lane
2014-05-27 19:42:08 -04:00
parent 616afee14d
commit b8cc8f9473
12 changed files with 927 additions and 181 deletions
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43
doc/src/sgml/installation.sgml
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@ -869,17 +869,46 @@ su - postgres
</listitem>
</varlistentry>
<varlistentry>
<term><option>--with-uuid=<replaceable>LIBRARY</replaceable></option></term>
<listitem>
<para>
Build the <![%standalone-include[uuid-ossp]]>
<![%standalone-ignore[<xref linkend="uuid-ossp">]]> module
(which provides functions to generate UUIDs), using the specified
UUID library.<indexterm><primary>UUID</primary></indexterm>
<replaceable>LIBRARY</replaceable> must be one of:
</para>
<itemizedlist>
<listitem>
<para>
<option>bsd</> to use the UUID functions found in FreeBSD, NetBSD,
and some other BSD-derived systems
</para>
</listitem>
<listitem>
<para>
<option>e2fs</> to use the UUID library created by
the <literal>e2fsprogs</> project; this library is present in most
Linux systems and in Mac OS X, and can be obtained for other
platforms as well
</para>
</listitem>
<listitem>
<para>
<option>ossp</> to use the <ulink
url="http://www.ossp.org/pkg/lib/uuid/">OSSP UUID library</ulink>
</para>
</listitem>
</itemizedlist>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--with-ossp-uuid</option></term>
<listitem>
<para>
Build components using the <ulink
url="http://www.ossp.org/pkg/lib/uuid/">OSSP UUID
library</ulink>. Specifically, build the
<![%standalone-include[uuid-ossp]]>
<![%standalone-ignore[<xref linkend="uuid-ossp">]]> module,
which provides functions to generate
UUIDs.<indexterm><primary>UUID</primary></indexterm>
Obsolete equivalent of <literal>--with-uuid=ossp</literal>.
</para>
</listitem>
</varlistentry>