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-cross-tools-uclibc" role="wrap"> |
---|
9 | <?dbhtml filename="uclibc.html"?> |
---|
10 | |
---|
11 | <title>uClibc-&uclibc-version;</title> |
---|
12 | |
---|
13 | <indexterm zone="ch-cross-tools-uclibc"> |
---|
14 | <primary sortas="a-uClibc">uClibc</primary> |
---|
15 | <secondary>cross tools</secondary> |
---|
16 | </indexterm> |
---|
17 | |
---|
18 | <sect2 role="package"> |
---|
19 | <title/> |
---|
20 | |
---|
21 | <para>The uClibc package contains the main C library. This library provides |
---|
22 | the basic routines for allocating memory, searching directories, opening and |
---|
23 | closing files, reading and writing files, string handling, pattern matching, |
---|
24 | arithmetic, and so on.</para> |
---|
25 | |
---|
26 | </sect2> |
---|
27 | |
---|
28 | <sect2 role="installation"> |
---|
29 | <title>Installation of uClibc</title> |
---|
30 | |
---|
31 | <note os="e"> |
---|
32 | <para>Below we are just telling uClibc to use its default configuration. |
---|
33 | For those for more adventureous, you can use make menuconfig, and |
---|
34 | do a more custom build for your uClibc installation.</para> |
---|
35 | </note> |
---|
36 | |
---|
37 | <para os="f">Create the default configuration:</para> |
---|
38 | |
---|
39 | <screen os="g"><userinput>make defconfig ARCH=i386</userinput></screen> |
---|
40 | |
---|
41 | <para os="h">We will need to edit the configuration file, to make sure everything gets |
---|
42 | compiled and put into its proper location:</para> |
---|
43 | |
---|
44 | <screen os="i"><userinput>cp .config{,.orig} |
---|
45 | sed -e "/^CROSS_COMPILER_PREFIX/s:=.*:=\"${CLFS_TARGET}-\":" \ |
---|
46 | -e "/^KERNEL_HEADERS/s:=.*:=\"${CLFS}/usr/include\":" \ |
---|
47 | -e "/^SHARED_LIB_LOADER_PREFIX/s:=.*:=\"/lib\":" \ |
---|
48 | -e "/^DEVEL_PREFIX/s:=.*:=\"/usr\":" \ |
---|
49 | -e "/^RUNTIME_PREFIX/s:=.*:=\"/\":" \ |
---|
50 | .config.orig > .config</userinput></screen> |
---|
51 | |
---|
52 | <para os="j">We will need to make sure that some settings in uClibc are set so we |
---|
53 | can utilize all the features of BusyBox:</para> |
---|
54 | |
---|
55 | <screen os="k"><userinput>UCLIBC_OPTIONS="DO_C99_MATH UCLIBC_HAS_RPC UCLIBC_HAS_CTYPE_CHECKED |
---|
56 | UCLIBC_HAS_WCHAR UCLIBC_HAS_HEXADECIMAL_FLOATS LDSO_PRELOAD_FILE_SUPPORT |
---|
57 | UCLIBC_HAS_FOPEN_EXCLUSIVE_MODE UCLIBC_HAS_PRINTF_M_SPEC UCLIBC_HAS_IPV6 |
---|
58 | UCLIBC_HAS_GLIBC_CUSTOM_PRINTF UCLIBC_USE_NETLINK UCLIBC_HAS_FTW" |
---|
59 | for config in $UCLIBC_OPTIONS; do |
---|
60 | cp .config{,.orig} |
---|
61 | sed -e "s:# ${config} is not set:${config}=y:" .config.orig > .config |
---|
62 | done |
---|
63 | UCLIBC_OPTIONS="UCLIBC_HAS_CTYPE_UNSAFE" |
---|
64 | for config in $UCLIBC_OPTIONS; do |
---|
65 | cp .config{,.orig} |
---|
66 | sed -e "s:${config}=y:# ${config} is not set:" .config.orig > .config |
---|
67 | done |
---|
68 | echo "UCLIBC_HAS_FULL_RPC=y" >> .config |
---|
69 | echo "UCLIBC_HAS_REENTRANT_RPC=y" >> .config</userinput></screen> |
---|
70 | |
---|
71 | <para os="l">We have made some changes to our config, let's make sure |
---|
72 | that we didn't miss and dependencies:</para> |
---|
73 | |
---|
74 | <screen os="m"><userinput>make oldconfig</userinput></screen> |
---|
75 | |
---|
76 | <para os="n">Compile the package:</para> |
---|
77 | |
---|
78 | <screen os="o"><userinput>make CC="${CC} ${BUILD}"</userinput></screen> |
---|
79 | |
---|
80 | <para os="p">Install the package:</para> |
---|
81 | |
---|
82 | <screen os="q"><userinput>make PREFIX=${CLFS} install</userinput></screen> |
---|
83 | |
---|
84 | </sect2> |
---|
85 | |
---|
86 | <sect2 id="contents-uclibc" role="content"> |
---|
87 | <title>Contents of uClibc</title> |
---|
88 | |
---|
89 | <segmentedlist> |
---|
90 | <segtitle>Installed uClibc</segtitle> |
---|
91 | |
---|
92 | <seglistitem> |
---|
93 | <seg>To Be Written</seg> |
---|
94 | </seglistitem> |
---|
95 | </segmentedlist> |
---|
96 | <!-- |
---|
97 | <variablelist> |
---|
98 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
---|
99 | <?dbfo list-presentation="list"?> |
---|
100 | <?dbhtml list-presentation="table"?> |
---|
101 | |
---|
102 | <varlistentry id="uclibc"> |
---|
103 | <term><filename |
---|
104 | class="headerfile">/usr/include/{asm,linux}/*.h</filename></term> |
---|
105 | <listitem> |
---|
106 | <para>The Linux API headers</para> |
---|
107 | <indexterm zone="ch-system-linux-headers linux-headers"> |
---|
108 | <primary |
---|
109 | sortas="e-/usr/include/{asm,linux}/*.h">/usr/include/{asm,linux}/*.h</primary> |
---|
110 | </indexterm> |
---|
111 | </listitem> |
---|
112 | </varlistentry> |
---|
113 | </variablelist> |
---|
114 | --> |
---|
115 | |
---|
116 | </sect2> |
---|
117 | </sect1> |
---|