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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