| 1 | <sect2>
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| 2 | <title>Command explanations</title>
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| 3 |
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| 4 | <para><command>bash</command>: This command enters a sub-shell to isolate
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| 5 | environment changes.</para>
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| 6 |
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| 7 | <para><command>export QTDIR=$PWD</command>: This command defines where the
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| 8 | root of the <application>Qt</application> directory is located.</para>
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| 9 |
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| 10 | <para><command>export LD_LIBRARY_PATH=$QTDIR/lib</command>: This command
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| 11 | sets up the location of libraries for the build process.</para>
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| 12 |
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| 13 | <para><command>export PATH=$QTDIR/bin:$PATH</command>: This command
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| 14 | allows the build process to find supporting executables.</para>
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| 15 |
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| 16 | <para><parameter>-prefix /opt/qt-&qt-version;</parameter>: This command sets up
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| 17 | the install destination.</para>
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| 18 |
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| 19 | <para><option>-qt-gif</option>: This command adds support for gif
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| 20 | files to the libraries.</para>
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| 21 |
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| 22 | <para><option>-system-libpng -system-libmng -system-zlib
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| 23 | -system-libjpeg</option>: This command forces the library to use the
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| 24 | shared libraries that are on your system instead of recreating its own
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| 25 | set of support libraries for these functions.</para>
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| 26 |
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| 27 | <para><option>-no-g++-exceptions</option>: This command disables
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| 28 | the exceptions coding generated by the <application>C++</application> compiler.</para>
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| 29 |
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| 30 | <para><option>-thread</option>: This command compiles the library
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| 31 | to support multi-threading.</para>
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| 32 |
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| 33 | <para><command>ln -sfn qt-&qt-version; /opt/qt</command>: This command
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| 34 | standardizes the location of the <application>Qt</application> libraries
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| 35 | to the <filename>ld.so.conf</filename> entry
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| 36 | described below.</para>
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| 37 |
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| 38 | <para><command>ln -s libqt-mt.so /opt/qt/lib/libqt.so</command>: This
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| 39 | command allows configure scripts
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| 40 | to find a working <application>Qt</application> installation.</para>
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| 41 |
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| 42 | <para><command>cp -r doc/man /opt/qt/doc</command>: This command
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| 43 | installs the man directory which is missed by <command>make
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| 44 | install</command>.</para>
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| 45 |
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| 46 | <para><command>cp -r examples /opt/qt/doc</command>: This command
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| 47 | installs the examples directory which is missed by <command>make
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| 48 | install</command>.</para>
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| 49 |
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| 50 | <para><command>exit</command>: This command returns to the parent shell
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| 51 | and eliminates envirnment variables set earlier.</para>
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| 52 |
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| 53 | </sect2>
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| 54 |
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