source: BOOK/cross-tools/mips64/flags.xml@ 3f8be484

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since 3f8be484 was 3f8be484, checked in by Jim Gifford <clfs@…>, 19 years ago

r627@server (orig r625): jim | 2005-10-31 12:59:34 -0800
Import of Cross-LFS Book

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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3 "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-cross-tools-flags">
9 <?dbhtml filename="flags.html"?>
10
11 <title>Build Flags</title>
12
13 <para>We will need to setup target specific flags for the compiler
14 and linkers.</para>
15
16<screen><userinput>export BUILD32="-mabi=32"
17export BUILDN32="-mabi=n32"
18export BUILD64="-mabi=64"</userinput></screen>
19
20 <para>You will need to set your host target triplet for o32 bit:</para>
21
22<screen><userinput>export LFS_TARGET32="`echo ${LFS_TARGET}| sed -e 's/64//g'`"</userinput></screen>
23
24<screen><userinput>if [ "${LFS_HOST}" = "${LFS_TARGET32}" ]; then \
25 echo "Host and Target can't be the same." ; fi</userinput></screen>
26
27 <para>If the above test gave you "Host and Target can't be the same", you will need to change your LFS_HOST to a
28 a different target triplet:</para>
29
30<screen><userinput>export LFS_HOST="`echo ${MACHTYPE} | sed -e 's/unknown/cross/g' -e 's/-pc-/-cross-/g'`"</userinput></screen>
31
32 <para>Lets add the build flags to <filename>~/.bashrc</filename> to
33 prevent issues if we stop and come back later.</para>
34
35<screen><userinput>echo export BUILD32=\""${BUILD32}\"" &gt;&gt; ~/.bashrc
36echo export BUILDN32=\""${BUILDN32}\"" &gt;&gt; ~/.bashrc
37echo export BUILD64=\""${BUILD64}\"" &gt;&gt; ~/.bashrc
38echo export LFS_TARGET32=\""${LFS_TARGET32}\"" &gt;&gt; ~/.bashrc
39echo export LFS_HOST=\""${LFS_HOST}\"" &gt;&gt; ~/.bashrc</userinput></screen>
40
41</sect1>
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