source: archive/setqt.xml@ ccded7e

11.0 qt5new trunk
Last change on this file since ccded7e was fdbc2010, checked in by Bruce Dubbs <bdubbs@…>, 5 years ago

Update cmake test instructions.
Archive xincludes/setqt.xml

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@17803 af4574ff-66df-0310-9fd7-8a98e5e911e0

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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE note PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
7
8<!-- $LastChangedBy$
9 $Date$ -->
10
11<sect3>
12 <title>Choosing Qt Program Versions</title>
13
14 <para>If you install both Qt4 and Qt5, you can use some simple
15 scripts to select the currently active set of Qt programs. As the
16 <systemitem class="username">root</systemitem> user, create
17 the following scripts:</para>
18
19<screen role="root"><userinput>cat &gt; /usr/bin/setqt4 &lt;&lt; 'EOF'
20<literal>if [ "x$QT5DIR" != "x/usr" ] &amp;&amp; [ "x$QT5DIR" != "x" ]; then pathremove $QT5DIR/bin; fi
21if [ "x$QT4DIR" != "x/usr" ]; then pathprepend $QT4DIR/bin; fi
22echo $PATH</literal>
23EOF</userinput></screen>
24
25<screen role="root"><userinput>cat &gt; /usr/bin/setqt5 &lt;&lt; 'EOF'
26<literal>if [ "x$QT4DIR" != "x/usr" ] &amp;&amp; [ "x$QT4DIR" != "x" ]; then pathremove $QT4DIR/bin; fi
27if [ "x$QT5DIR" != "x/usr" ]; then pathprepend $QT5DIR/bin; fi
28echo $PATH</literal>
29EOF</userinput></screen>
30
31 <para>You should now be able to use the appropriate Qt version by running
32 <command>source setqt4</command> or <command>source setqt5</command> as
33 desired. (Setting the PATH wont work in a subshell.) Another technique that
34 can be used is to create appropriate alias additions to your ~/.bashrc like
35 <command>alias setqt4='source setqt4'</command>.</para>
36
37</sect3>
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