| 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-temp-system-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 |   <para>Setup target-specific variables for the compiler
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| 14 |   and linkers:</para>
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| 15 | 
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| 16 | <screen><userinput>export CC="${CLFS_TARGET}-gcc ${BUILD64}"
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| 17 | export CXX="${CLFS_TARGET}-g++ ${BUILD64}"
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| 18 | export AR="${CLFS_TARGET}-ar"
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| 19 | export AS="${CLFS_TARGET}-as"
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| 20 | export RANLIB="${CLFS_TARGET}-ranlib"
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| 21 | export LD="${CLFS_TARGET}-ld"
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| 22 | export STRIP="${CLFS_TARGET}-strip"</userinput></screen>
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| 23 | 
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| 24 |     <variablelist os="ca">
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| 25 |       <title>The meaning of the new configure options:</title>
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| 26 | 
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| 27 |       <varlistentry os="dd1">
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| 28 |         <term><parameter>CXX="${CXX} ${BUILD64}"</parameter></term>
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| 29 |         <listitem>
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| 30 |           <para>This forces the C++ compiler to use our 64 Bit flags.</para>
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| 31 |         </listitem>
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| 32 |       </varlistentry>
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| 33 | 
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| 34 |     </variablelist>
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| 35 | 
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| 36 |   <para>Then add the build variables to <filename>~/.bashrc</filename> to
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| 37 |   prevent issues if you stop and come back later:</para>
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| 38 | 
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| 39 | <screen><userinput>echo export CC=\""${CC}\"" >> ~/.bashrc
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| 40 | echo export CXX=\""${CXX}\"" >> ~/.bashrc
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| 41 | echo export AR=\""${AR}\"" >> ~/.bashrc
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| 42 | echo export AS=\""${AS}\"" >> ~/.bashrc
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| 43 | echo export RANLIB=\""${RANLIB}\"" >> ~/.bashrc
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| 44 | echo export LD=\""${LD}\"" >> ~/.bashrc
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| 45 | echo export STRIP=\""${STRIP}\"" >> ~/.bashrc</userinput></screen>
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| 46 | 
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| 47 | </sect1>
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