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[pkgsrc/trunk]: pkgsrc/doc/guide/files Add chapter about configuring pkgsrc, ...
details: https://anonhg.NetBSD.org/pkgsrc/rev/b4fabd6a0319
branches: trunk
changeset: 495394:b4fabd6a0319
user: dillo <dillo%pkgsrc.org@localhost>
date: Wed Jun 08 13:59:30 2005 +0000
description:
Add chapter about configuring pkgsrc, as proposed on tech-pkg by jmmv, and
fill in section about options framework.
diffstat:
doc/guide/files/Makefile | 3 +-
doc/guide/files/chapters.ent | 3 +-
doc/guide/files/configuring.xml | 73 +++++++++++++++++++++++++++++++++++++++++
doc/guide/files/pkgsrc.xml | 5 +-
4 files changed, 80 insertions(+), 4 deletions(-)
diffs (139 lines):
diff -r 2d2b4429bfd7 -r b4fabd6a0319 doc/guide/files/Makefile
--- a/doc/guide/files/Makefile Wed Jun 08 13:20:04 2005 +0000
+++ b/doc/guide/files/Makefile Wed Jun 08 13:59:30 2005 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.3 2005/06/03 12:27:48 jmmv Exp $
+# $NetBSD: Makefile,v 1.4 2005/06/08 13:59:30 dillo Exp $
WEB_PREFIX?= ${.CURDIR}/../htdocs
@@ -9,6 +9,7 @@
SRCS+= build.xml
SRCS+= buildlink.xml
SRCS+= components.xml
+SRCS+= configuring.xml
SRCS+= debug.xml
SRCS+= examples.xml
SRCS+= faq.xml
diff -r 2d2b4429bfd7 -r b4fabd6a0319 doc/guide/files/chapters.ent
--- a/doc/guide/files/chapters.ent Wed Jun 08 13:20:04 2005 +0000
+++ b/doc/guide/files/chapters.ent Wed Jun 08 13:59:30 2005 +0000
@@ -1,13 +1,14 @@
<!--
Creates entities for each chapter in the pkgsrc book.
- $NetBSD: chapters.ent,v 1.4 2005/06/03 12:27:48 jmmv Exp $
+ $NetBSD: chapters.ent,v 1.5 2005/06/08 13:59:30 dillo Exp $
-->
<!-- users-guide -->
<!ENTITY chap.intro SYSTEM "introduction.xml">
<!ENTITY chap.getting SYSTEM "getting.xml">
<!ENTITY chap.using SYSTEM "using.xml">
+<!ENTITY chap.configuring SYSTEM "configuring.xml">
<!ENTITY chap.binary SYSTEM "binary.xml">
<!ENTITY chap.components SYSTEM "components.xml">
<!ENTITY chap.plist SYSTEM "plist.xml">
diff -r 2d2b4429bfd7 -r b4fabd6a0319 doc/guide/files/configuring.xml
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/guide/files/configuring.xml Wed Jun 08 13:59:30 2005 +0000
@@ -0,0 +1,73 @@
+<!-- $NetBSD: configuring.xml,v 1.1 2005/06/08 13:59:30 dillo Exp $ -->
+
+<chapter id="configuring">
+<title>Configuring pkgsrc</title>
+
+<sect1 id="selecting-options">
+<title>Selecting build options</title>
+
+<para>Some packages have build time options, usually to select between
+different dependencies, enable optional support for big dependencies
+or enable experimental features.</para>
+
+<para>To see which options, if any, a package supports, and which
+options are mutually exclusive, run <command>make show-options</command>,
+for example:</para>
+
+<programlisting>
+The following options are supported by this package:
+ ssl Enable SSL support.
+Exactly one of the following gecko options is required:
+ firefox Use firefox as gecko rendering engine.
+ mozilla Use mozilla as gecko rendering engine.
+At most one of the following database options may be selected:
+ mysql Enable support for MySQL database.
+ pgsql Enable support for PostgreSQL database.
+
+These options are enabled by default: firefox
+These options are currently enabled: mozilla ssl
+</programlisting>
+
+<para>The following variables can be defined in
+<filename>/etc/mk.conf</filename> to select which options to enable
+for a package: <varname>PKG_DEFAULT_OPTIONS</varname>, which can be
+used to select or disable options for all packages that support them,
+and <varname>PKG_OPTIONS.<replaceable>pkgbase</replaceable></varname>,
+which can be used to select or disable options specifically for
+package <replaceable>pkgbase</replaceable>. Options listed in these
+variables are selected, options preceded by <quote>-</quote> are
+disabled.</para>
+
+<para>The following settings are consulted in the order given, and the
+last setting that selects or disables an option is used:</para>
+
+<orderedlist>
+<listitem><para>the default options as suggested by the package
+maintainer</para></listitem>
+
+<listitem><para>the options implied by the settings of legacy
+variables (see below)</para></listitem>
+
+<listitem><para><varname>PKG_DEFAULT_OPTIONS</varname></para></listitem>
+
+<listitem><para><varname>PKG_OPTIONS.<replaceable>pkgbase</replaceable></varname></para></listitem>
+</orderedlist>
+
+<para>For groups of mutually exclusive options, the last option
+selected is used, all others are automatically disabled. If an option
+of the group is explicitly disabled, the previously selected option,
+if any, is used. It is an error if no option from a required group of
+options is selected, and building the package will fail.</para>
+
+<para>Before the options framework was introduced, build options were
+selected by setting a variable in <filename>/etc/mk.conf</filename>
+for each option. To ease transition to the options framework for the
+user, these legacy variables are converted to the appropriate options
+setting automatically. A warning is issued to prompt the user to
+update <filename>/etc/mk.conf</filename> to use the options framework
+directly. Support for these legacy variables will be removed
+eventually.</para>
+
+</sect1>
+
+</chapter>
diff -r 2d2b4429bfd7 -r b4fabd6a0319 doc/guide/files/pkgsrc.xml
--- a/doc/guide/files/pkgsrc.xml Wed Jun 08 13:20:04 2005 +0000
+++ b/doc/guide/files/pkgsrc.xml Wed Jun 08 13:59:30 2005 +0000
@@ -1,4 +1,4 @@
-<!-- $NetBSD: pkgsrc.xml,v 1.8 2005/06/03 12:27:48 jmmv Exp $ -->
+<!-- $NetBSD: pkgsrc.xml,v 1.9 2005/06/08 13:59:30 dillo Exp $ -->
<?xml version="1.0"?>
@@ -45,7 +45,7 @@
<holder role="mailto:www%NetBSD.org@localhost">The NetBSD Foundation, Inc</holder>
</copyright>
- <pubdate>$NetBSD: pkgsrc.xml,v 1.8 2005/06/03 12:27:48 jmmv Exp $</pubdate>
+ <pubdate>$NetBSD: pkgsrc.xml,v 1.9 2005/06/08 13:59:30 dillo Exp $</pubdate>
<abstract>
<para>Information about using the NetBSD package system (pkgsrc)
@@ -62,6 +62,7 @@
&chap.getting;
&chap.platform;
&chap.using;
+ &chap.configuring;
&chap.binary;
&chap.faq;
</part>
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