1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" |
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ |
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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5 | %general-entities; |
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6 | ]> |
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7 | |
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8 | <sect1 id="ch-cross-tools-variables"> |
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9 | <?dbhtml filename="variables.html"?> |
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10 | |
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11 | <title>Build Variables</title> |
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12 | |
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13 | <bridgehead renderas="sect4">Setting Host and Target</bridgehead> |
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14 | |
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15 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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16 | href="../x86/variables.xml" |
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17 | xpointer="xpointer(//*[@os='a'])"/> |
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18 | |
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19 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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20 | href="../x86/variables.xml" |
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21 | xpointer="xpointer(//*[@os='b'])"/> |
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22 | |
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23 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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24 | href="../x86/variables.xml" |
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25 | xpointer="xpointer(//*[@os='c'])"/> |
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26 | |
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27 | <screen os="d"><userinput>export CLFS_TARGET="sparc64-unknown-linux-gnu"</userinput></screen> |
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28 | |
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29 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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30 | href="../x86_64/variables.xml" |
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31 | xpointer="xpointer(//*[@os='e'])"/> |
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32 | |
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33 | <screen os="f"><userinput>export CLFS_TARGET32="sparcv9-unknown-linux-gnu"</userinput></screen> |
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34 | |
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35 | <para os="g">We will need to setup target specific flags for the compiler |
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36 | and linkers. You can choose the appropriate BUILD32, BUILD64, and GCCTARGET |
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37 | from the table at the bottom of the page.</para> |
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38 | |
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39 | <screen os="h"><userinput>export BUILD32="<replaceable>[BUILD32 entries]</replaceable>" |
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40 | export BUILD64="<replaceable>[BUILD64 entries]</replaceable>" |
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41 | export GCCTARGET="<replaceable>[GCCTARGET entries]</replaceable>"</userinput></screen> |
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42 | |
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43 | <bridgehead renderas="sect4">Copy settings to Environment</bridgehead> |
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44 | |
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45 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" |
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46 | href="../x86_64/variables.xml" |
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47 | xpointer="xpointer(//*[@os='i'])"/> |
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48 | |
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49 | <screen os="j"><userinput>cat >> ~/.bashrc << EOF |
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50 | export CLFS_HOST="${CLFS_HOST}" |
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51 | export CLFS_TARGET="${CLFS_TARGET}" |
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52 | export CLFS_TARGET32="${CLFS_TARGET32}" |
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53 | export BUILD32="${BUILD32}" |
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54 | export BUILD64="${BUILD64}" |
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55 | export GCCTARGET="${GCCTARGET}" |
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56 | EOF</userinput></screen> |
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57 | |
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58 | <para os="k">The following table gives the entries for different Sparc 64 capable |
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59 | processors. Pick the processor that matches your system. Note: GCC settings are |
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60 | only needed in the early sections of the book, and will not be used in the final-system |
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61 | builds.</para> |
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62 | |
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63 | <table os="l"> |
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64 | <title>List of 32-Bit settings, 64-Bit Build settings, and GCC setting</title> |
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65 | <?dbfo table-width="7in" ?> |
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66 | |
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67 | <tgroup cols="4"> |
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68 | |
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69 | <colspec colnum="1" colwidth="1in" colname="Processor"/> |
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70 | <colspec colnum="2" colwidth="2in" colname="Build32"/> |
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71 | <colspec colnum="3" colwidth="2in" colname="Build64"/> |
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72 | <colspec colnum="4" colwidth="2in" colname="GCC"/> |
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73 | |
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74 | <thead> |
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75 | <row> |
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76 | <entry>Processor</entry> |
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77 | <entry>BUILD32</entry> |
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78 | <entry>BUILD64</entry> |
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79 | <entry>GCCTARGET</entry> |
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80 | </row> |
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81 | </thead> |
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82 | |
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83 | <tbody> |
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84 | <row> |
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85 | <entry>Ultrasparc and Ultrasparc2</entry> |
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86 | <entry>-m32 -mcpu=ultrasparc -mtune=ultrasparc</entry> |
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87 | <entry>-m64 -mcpu=ultrasparc -mtune=ultrasparc</entry> |
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88 | <entry>-mcpu=ultrasparc -mtune=ultrasparc</entry> |
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89 | </row> |
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90 | <row> |
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91 | <entry>Ultrasparc3</entry> |
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92 | <entry>-m32 -mcpu=ultrasparc3 -mtune=ultrasparc3</entry> |
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93 | <entry>-m64 -mcpu=ultrasparc3 -mtune=ultrasparc3</entry> |
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94 | <entry>-mcpu=ultrasparc3 -mtune=ultrasparc3</entry> |
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95 | </row> |
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96 | </tbody> |
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97 | |
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98 | </tgroup> |
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99 | |
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100 | </table> |
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101 | |
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102 | </sect1> |
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