1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.4/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-system-adjusting">
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9 | <?dbhtml filename="adjusting.html"?>
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10 |
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11 | <title>Adjusting the Toolchain</title>
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12 |
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13 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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14 | href="../common/adjusting.xml"
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15 | xpointer="xpointer(//*[@os='a'])"/>
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16 |
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17 | <screen os="c"><userinput>gcc -dumpspecs | \
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18 | perl -p -e 's@/tools/lib/ld@/lib/ld@g;' \
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19 | -e 's@/tools/lib64/ld@/lib64/ld@g;' \
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20 | -e 's@\*startfile_prefix_spec:\n@$_/usr/lib/ @g;' > \
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21 | `dirname $(gcc --print-libgcc-file-name)`/specs</userinput></screen>
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22 |
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23 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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24 | href="../common/adjusting.xml"
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25 | xpointer="xpointer(//*[@os='d'])"/>
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26 |
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27 | <para os="m1">Note that <filename class="directory">/lib</filename> or
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28 | <filename class="directory">/lib64</filename> is now the prefix
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29 | of our dynamic linker.</para>
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30 |
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31 | <caution>
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32 |
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33 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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34 | href="../common/adjusting.xml"
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35 | xpointer="xpointer(//*[@os='f'])"/>
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36 |
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37 | <para os="m2">For 32 bit ABI:</para>
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38 |
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39 | <screen os="m3"><userinput>echo 'main(){}' > dummy.c
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40 | cc ${BUILD32} dummy.c
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41 | readelf -l a.out | grep ': /lib'</userinput></screen>
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42 |
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43 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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44 | href="../common/adjusting.xml"
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45 | xpointer="xpointer(//*[@os='h'])"/>
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46 |
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47 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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48 | href="../common/adjusting.xml"
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49 | xpointer="xpointer(//*[@os='i'])"/>
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50 |
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51 | <para os="m4">For 64 bit ABI:</para>
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52 |
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53 | <screen os="m5"><userinput>echo 'main(){}' > dummy.c
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54 | cc ${BUILD64} dummy.c
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55 | readelf -l a.out | grep ': /lib'</userinput></screen>
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56 |
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57 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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58 | href="../common/adjusting.xml"
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59 | xpointer="xpointer(//*[@os='h'])"/>
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60 |
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61 | <screen os="m6"><computeroutput>[Requesting program interpreter: /lib64/ld-linux-x86-64.so.2]</computeroutput></screen>
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62 |
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63 | <para os="m7">Note that <filename class="directory">/lib</filename> or
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64 | <filename class="directory">/lib64</filename> is now the prefix
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65 | of our dynamic linker.</para>
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66 |
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67 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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68 | href="../common/adjusting.xml"
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69 | xpointer="xpointer(//*[@os='k'])"/>
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70 |
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71 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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72 | href="../common/adjusting.xml"
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73 | xpointer="xpointer(//*[@os='l'])"/>
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74 |
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75 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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76 | href="../common/adjusting.xml"
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77 | xpointer="xpointer(//*[@os='m'])"/>
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78 |
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79 | </caution>
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80 |
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81 | </sect1>
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