source: chapter06/ninja.xml@ 4476fba

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Last change on this file since 4476fba was 4476fba, checked in by Bruce Dubbs <bdubbs@…>, 4 years ago

Add optional patch to ninja.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11311 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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File size: 3.9 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-system-ninja" role="wrap">
9 <?dbhtml filename="ninja.html"?>
10
11 <sect1info condition="script">
12 <productname>ninja</productname>
13 <productnumber>&ninja-version;</productnumber>
14 <address>&ninja-url;</address>
15 </sect1info>
16
17 <title>Ninja-&ninja-version;</title>
18
19 <indexterm zone="ch-system-ninja">
20 <primary sortas="a-Ninja">Ninja</primary>
21 </indexterm>
22
23 <sect2 role="package">
24 <title/>
25
26 <para>Ninja is a small build system with a focus on speed.</para>
27
28 <segmentedlist>
29 <segtitle>&buildtime;</segtitle>
30 <segtitle>&diskspace;</segtitle>
31
32 <seglistitem>
33 <seg>&ninja-ch6-sbu;</seg>
34 <seg>&ninja-ch6-du;</seg>
35 </seglistitem>
36 </segmentedlist>
37
38 </sect2>
39
40 <sect2 role="installation">
41 <title>Installation of Ninja</title>
42
43 <para>When run, ninja normally runs a maximum number of processes
44 in parallel. By default this is the number of cores on the system
45 plus two. In some cases this can overheat a CPU or run a system out
46 of memory. If run from the command line, passing a -jN parameter
47 will limit the number of parallel processes, but some packages
48 embed the execution of ninja and do not pass a -j parameter.</para>
49
50 <para>Using the <emphasis>optional</emphasis> patch below allows a user to
51 limit the number of parallel processes via an environment variable,
52 NINJAJOBS. <command>For example</command> setting:
53
54 <!-- Using <command> here to make the output bold. We really don't want
55 users setting this now and experience shows that many users blindly
56 copy/paste anything in a box. -->
57
58 <screen>export NINJAJOBS=4</screen>
59
60 will limit ninja to four parallel processes.</para>
61
62 <para>If desired, install the patch by running:</para>
63
64<screen><userinput remap="pre">patch -Np1 -i ../ninja-1.8.2-add_NINJAJOBS_var-1.patch</userinput></screen>
65
66 <para>Build Ninja with:</para>
67
68<screen><userinput remap="configure">python3 configure.py --bootstrap</userinput></screen>
69
70 <variablelist>
71 <title>The meaning of the build option:</title>
72
73 <varlistentry>
74 <term><parameter>--bootstrap</parameter></term>
75 <listitem>
76 <para>This parameter forces ninja to rebuild itself for the current
77 system.</para>
78 </listitem>
79 </varlistentry>
80
81 </variablelist>
82
83 <para>To test the results, issue:</para>
84
85<screen><userinput remap="test">python3 configure.py
86./ninja ninja_test
87./ninja_test --gtest_filter=-SubprocessTest.SetWithLots</userinput></screen>
88
89 <para>Install the package:</para>
90
91<screen><userinput remap="install">install -vm755 ninja /usr/bin/
92install -vDm644 misc/ninja.vim /usr/share/vim/vim&vim-majmin;/syntax/ninja.vim
93install -vDm644 misc/bash-completion /usr/share/bash-completion/completions/ninja
94install -vDm644 misc/zsh-completion /usr/share/zsh/site-functions/_ninja</userinput></screen>
95
96 </sect2>
97
98 <sect2 id="contents-ninja" role="content">
99 <title>Contents of Ninja</title>
100
101 <segmentedlist>
102 <segtitle>Installed programs</segtitle>
103
104 <seglistitem>
105 <seg>ninja</seg>
106 </seglistitem>
107 </segmentedlist>
108 <variablelist>
109 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
110 <?dbfo list-presentation="list"?>
111 <?dbhtml list-presentation="table"?>
112
113 <varlistentry id="ninja">
114 <term><command>ninja</command></term>
115 <listitem>
116 <para>is the Ninja build system.</para>
117 <indexterm zone="ch-system-ninja ninja">
118 <primary sortas="b-ninja">ninja</primary>
119 </indexterm>
120 </listitem>
121 </varlistentry>
122
123 </variablelist>
124
125 </sect2>
126
127</sect1>
128
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