Merge pull request #11827 from keszybz/pkgconfig-variables

[thirdparty/systemd.git] / man / standard-conf.xml

diff --git a/man/standard-conf.xml b/man/standard-conf.xml
index 6edbb7ff83aa925aa2910bc76ce8dbff718910cf..1db859ac2fed4b4a8d0c5c0a9e978246339e2e6f 100644 (file)
--- a/man/standard-conf.xml
+++ b/man/standard-conf.xml
@@ -1,23 +1,26 @@
-<?xml version="1.0"?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
+<?xml version="1.0"?>
 <!DOCTYPE refsection PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
           "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
 
+<!--
+  SPDX-License-Identifier: LGPL-2.1+
+  Copyright © 2014 Josh Triplett
+-->
+
 <refsection>
   <refsection id='confd'>
     <title>Configuration Directories and Precedence</title>
 
-    <para>Configuration files are read from directories in
-    <filename>/etc/</filename>, <filename>/run/</filename>, and
-    <filename>/usr/lib/</filename>, in order of precedence.
-    Each configuration file in these configuration directories shall be named in
-    the style of <filename><replaceable>filename</replaceable>.conf</filename>.
-    Files in <filename>/etc/</filename> override files with the same name in
-    <filename>/run/</filename> and <filename>/usr/lib/</filename>. Files in
-    <filename>/run/</filename> override files with the same name in
-    <filename>/usr/lib/</filename>.</para>
+    <para>Configuration files are read from directories in <filename>/etc/</filename>, <filename>/run/</filename>,
+    <filename>/usr/local/lib/</filename>, and <filename>/usr/lib/</filename>, in order of precedence.  Each
+    configuration file in these configuration directories shall be named in the style of
+    <filename><replaceable>filename</replaceable>.conf</filename>.  Files in <filename>/etc/</filename> override files
+    with the same name in <filename>/run/</filename>, <filename>/usr/local/lib/</filename>, and
+    <filename>/usr/lib/</filename>. Files in <filename>/run/</filename> override files with the same name under
+    <filename>/usr/</filename>.</para>
 
-    <para>Packages should install their configuration files in
-    <filename>/usr/lib/</filename>. Files in <filename>/etc/</filename> are
+    <para>Packages should install their configuration files in <filename>/usr/lib/</filename> (distribution packages)
+    or <filename>/usr/local/lib/</filename> (local installs). Files in <filename>/etc/</filename> are
     reserved for the local administrator, who may use this logic to override the
     configuration files installed by vendor packages. All configuration files
     are sorted by their filename in lexicographic order, regardless of which of
@@ -32,7 +35,6 @@
     <filename>/etc/</filename>, with the same filename as the vendor
     configuration file. If the vendor configuration file is included in
     the initrd image, the image has to be regenerated.</para>
-
   </refsection>
 
   <refsection id='main-conf'>
@@ -48,21 +50,23 @@
 
     <para>When packages need to customize the configuration, they can
     install configuration snippets in
-    <filename>/usr/lib/systemd/*.conf.d/</filename>. Files in
+    <filename>/usr/lib/systemd/*.conf.d/</filename> or
+    <filename>/usr/local/lib/systemd/*.conf.d/</filename>. Files in
     <filename>/etc/</filename> are reserved for the local
     administrator, who may use this logic to override the
     configuration files installed by vendor packages. The main
     configuration file is read before any of the configuration
     directories, and has the lowest precedence; entries in a file in
     any configuration directory override entries in the single
-    configuration file. Files in the
-    <filename>*.conf.d/</filename> configuration subdirectories
-    are sorted by their filename in lexicographic order, regardless of
-    which of the subdirectories they reside in. If multiple files
-    specify the same option, the entry in the file with the
-    lexicographically latest name takes precedence.  It is recommended
-    to prefix all filenames in those subdirectories with a two-digit
-    number and a dash, to simplify the ordering of the files.</para>
+    configuration file. Files in the <filename>*.conf.d/</filename>
+    configuration subdirectories are sorted by their filename in lexicographic
+    order, regardless of which of the subdirectories they reside in. When
+    multiple files specify the same option, for options which accept just a
+    single value, the entry in the file with the lexicographically latest name
+    takes precedence. For options which accept a list of values, entries are
+    collected as they occur in files sorted lexicographically. It is recommended
+    to prefix all filenames in those subdirectories with a two-digit number and
+    a dash, to simplify the ordering of the files.</para>
 
     <para>To disable a configuration file supplied by the vendor, the
     recommended way is to place a symlink to