glfs/x/lib/qt/qt-exp.xml

<sect2>
<title>Command explanations</title>

<para><command>bash</command>: This command enters a sub-shell to isolate 
environment changes.</para>

<para><command>export QTDIR=$PWD</command>: This command defines where the
root of the <application>Qt</application> directory is located.</para>

<para><command>export LD_LIBRARY_PATH=$QTDIR/lib</command>: This command 
sets up the location of libraries for the build process.</para>

<para><command>export PATH=$QTDIR/bin:$PATH</command>: This command 
allows the build process to find supporting executables.</para>

<para><parameter>-prefix /opt/qt-&qt-version;</parameter>: This command sets up
the install destination.</para>

<para><option>-qt-gif</option>: This command adds support for gif
files to the libraries.</para>

<para><option>-system-libpng -system-libmng -system-zlib
-system-libjpeg</option>: This command forces the library to use the
shared libraries that are on your system instead of recreating its own
set of support libraries for these functions.</para>

<para><option>-no-g++-exceptions</option>: This command disables
the exceptions coding generated by the <application>C++</application> compiler.</para>

<para><option>-thread</option>: This command compiles the library
to support multi-threading.</para>

<para><command>ln -sfn /opt/qt-&qt-version; /opt/qt</command>: This command
standardizes the location of the <application>Qt</application> libraries
to the <filename>ld.so.conf</filename> entry
described below.</para>

<para><command>ln -s /opt/qt/lib/libqt-mt.so
/opt/qt/lib/libqt.so</command>: This command allows configure scripts
to find a working <application>Qt</application> installation.</para>

<para><command>cp -r doc/man /opt/qt/doc</command>: This command
installs the man directory which is missed by <command>make
install</command>.</para>

<para><command>cp -r examples /opt/qt/doc</command>: This command
installs the examples directory which is missed by <command>make
install</command>.</para>

<para><command>exit</command>: This command returns to the parent shell
and eliminates envirnment variables set earlier.</para>

</sect2>