spellegrino@linexus:~/src/perl/qt$ sudo perl -MCPAN -e "force clean KDE"
Reading '/home/spellegrino/.cpan/Metadata'
  Database was generated on Sun, 27 Oct 2013 12:29:04 GMT
Running clean for module 'KDE'
Running make clean
Distribution seems to have never been unzipped/untarred, nothing done
spellegrino@linexus:~/src/perl/qt$ sudo perl -MCPAN -e "clean KDE"
Reading '/home/spellegrino/.cpan/Metadata'
  Database was generated on Sun, 27 Oct 2013 12:29:04 GMT
Running clean for module 'KDE'
Running make clean
Distribution seems to have never been unzipped/untarred, nothing done
spellegrino@linexus:~/src/perl/qt$ sudo perl -MCPAN -e "force install KDE"
Reading '/home/spellegrino/.cpan/Metadata'
  Database was generated on Sun, 27 Oct 2013 12:29:04 GMT
Running install for module 'KDE'
Running make for A/AW/AWIN/PerlKDE-0.004.tar.gz
Checksum for /home/spellegrino/.cpan/sources/authors/id/A/AW/AWIN/PerlKDE-0.004.tar.gz ok

  CPAN.pm: Building A/AW/AWIN/PerlKDE-0.004.tar.gz

Loading KDE-1.1.1........................................................................
Checking if your kit is complete...
Looks good
Warning (mostly harmless): No library found for -lkfm
Warning (mostly harmless): No library found for -lqt
Generating a GNU-style Makefile
Writing Makefile for KDE
Writing MYMETA.yml and MYMETA.json
cp KDE.pm blib/lib/KDE.pm
g++ -c  -I/include -I/include -I/usr/X11R6/include -I/usr/include/kde -I/usr/include/qt -I. -I./include -D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O   -DVERSION=\"0.004\" -DXS_VERSION=\"0.004\" -fPIC "-I/usr/lib/perl/5.14/CORE"  -DPIGDEBUG=0 -DPIG_QT -DPIGPERL_PL=14 -DPIGPERL_SV=2  pigboot.c
In file included from ./include/pigmodule_Qt.h:14:0,
                 from ./include/pigmodule_KDE.h:14,
                 from pig_KApplication.h:4,
                 from pigboot.c:11:
./include/pig.h:23:21: fatal error: qglobal.h: No such file or directory
compilation terminated.
make: *** [pigboot.o] Error 1
  AWIN/PerlKDE-0.004.tar.gz
  /usr/bin/make -- NOT OK
'YAML' not installed, will not store persistent state
Running make test
  Can't test without successful make
Running make install
  Make had returned bad status, install seems impossible


Reproducible: Always

Steps to Reproduce:
spellegrino@linexus:~/src/perl/qt$ cat mainwindow.ui 
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
  <property name="windowModality">
   <enum>Qt::WindowModal</enum>
  </property>
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>400</width>
    <height>217</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>Hello world</string>
  </property>
  <widget class="QWidget" name="centralWidget">
   <widget class="QPushButton" name="pushButton">
    <property name="geometry">
     <rect>
      <x>150</x>
      <y>70</y>
      <width>98</width>
      <height>27</height>
     </rect>
    </property>
    <property name="text">
     <string>Okay</string>
    </property>
   </widget>
   <widget class="QLabel" name="label">
    <property name="geometry">
     <rect>
      <x>40</x>
      <y>0</y>
      <width>91</width>
      <height>17</height>
     </rect>
    </property>
    <property name="text">
     <string>Enter name:</string>
    </property>
   </widget>
   <widget class="QLineEdit" name="lineEdit">
    <property name="geometry">
     <rect>
      <x>70</x>
      <y>30</y>
      <width>261</width>
      <height>27</height>
     </rect>
    </property>
   </widget>
   <widget class="QLabel" name="label_2">
    <property name="geometry">
     <rect>
      <x>60</x>
      <y>110</y>
      <width>281</width>
      <height>17</height>
     </rect>
    </property>
    <property name="text">
     <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
    </property>
   </widget>
  </widget>
  <widget class="QMenuBar" name="menuBar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>400</width>
     <height>25</height>
    </rect>
   </property>
  </widget>
  <widget class="QToolBar" name="mainToolBar">
   <attribute name="toolBarArea">
    <enum>TopToolBarArea</enum>
   </attribute>
   <attribute name="toolBarBreak">
    <bool>false</bool>
   </attribute>
  </widget>
  <widget class="QStatusBar" name="statusBar"/>
 </widget>
 <layoutdefault spacing="6" margin="11"/>
 <resources/>
 <connections/>
</ui>
spellegrino@linexus:~/src/perl/qt$ uic-qt3 mainwindow.ui 
/****************************************************************************
** Form interface generated from reading ui file 'mainwindow.ui'
**
** Created: Sun Oct 27 17:57:17 2013
**
** WARNING! All changes made in this file will be lost!
****************************************************************************/

spellegrino@linexus:~/src/perl/qt$ grep KDE4 mainwindow.pm 
use KDE4;

How to get around this as KDE4.pm doesn't compile on Ubuntu.