source: clfs-embedded/BOOK/cross-tools/common/variables.xml@ b057d7e2

Last change on this file since b057d7e2 was e96c8e3, checked in by Andrew Bradford <bradfa@…>, 14 years ago

Made [target triplet] formatting like others

[target triplet] formatting was not consistent with other user replaceable
formatting.

  • Property mode set to 100644
File size: 1.3 KB
RevLine 
[7926af1]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-variables">
9 <?dbhtml filename="variables.html"?>
10
11 <title>Build Variables</title>
12
13 <bridgehead renderas="sect4">Setting Host and Target</bridgehead>
14
15<screen os="b"><userinput>export CLFS_HOST=$(echo ${MACHTYPE} | sed "s/-[^-]*/-cross/")
[e96c8e3]16export CLFS_TARGET="<replaceable>[target triplet]</replaceable>"</userinput></screen>
[7926af1]17
18 <para os="c">Now we will set the architecture and endianess of the CPU based
19 on the target triplet provided above:</para>
20
21<screen os="d"><userinput>export CLFS_ARCH=$(echo ${CLFS_TARGET} | sed -e 's/-.*//' -e 's/i.86/i386/')
22export CLFS_ENDIAN=little</userinput></screen>
23
24 <para os="g">Now we will add this to <filename>~/.bashrc</filename>, just in
25 case you have to exit and restart building later:</para>
26
27<screen os="h"><userinput>echo export CLFS_HOST=\""${CLFS_HOST}\"" &gt;&gt; ~/.bashrc
28echo export CLFS_TARGET=\""${CLFS_TARGET}\"" &gt;&gt; ~/.bashrc
29echo export CLFS_ARCH=\""${CLFS_ARCH}\"" &gt;&gt; ~/.bashrc
30echo export CLFS_ENDIAN=\""${CLFS_ENDIAN}\"" &gt;&gt; ~/.bashrc</userinput></screen>
31
32</sect1>
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