KDE dependencies

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-- The following external packages were located on your system.
-- This installation will have the extra features provided by these packages.
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* Perl - Needed for building kdelibs
* ZLib - Support for gzip compressed files and data streams
* libattica - Support for Get Hot New Stuff
* OpenSSL - Support for secure network communications (SSL and TLS)
* Libintl - Support for multiple languages
* BZip2 - Support for BZip2 compressed files and data streams
* LZMA/XZ - Support for xz compressed files and data streams
* PCRE - Perl-compatible regular expressions in KJS
* Flex - Allows the Solid predicate parser to be updated
* Bison - Allows the Solid predicate parser to be updated
* LibXSLT - Required by the KDE help system to process DocBook XML
* LibXML2 - Required by the KDE help system to process DocBook XML
* xmllint - Required by the KDE help system to process DocBook XML
* DocBook XML - Required by the KDE help system to process DocBook XML
* DocBook XSL - Required by the KDE help system to process DocBook XML
* shared-mime-info - Allows KDE applications to determine file types
* libjpeg - JPEG image format support
* giflib - GIF image format support
* libpng - PNG image format support
* JasPer - Support for JPEG-2000 images

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-- The following OPTIONAL packages could NOT be located on your system.
-- Consider installing them to enable more features from this software.
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* Soprano (2.5.60 or higher) <http://soprano.sourceforge.net>
Support for the Nepomuk semantic desktop system
* Soprano Raptor Parser <http://soprano.sourceforge.net>
Support for the Nepomuk semantic desktop system
* Soprano Redland Backend <http://soprano.sourceforge.net>
Support for the Nepomuk semantic desktop system
* Shared desktop ontologies (0.6.50 or higher) <http://oscaf.sourceforge.net>
Support for the Nepomuk semantic desktop system
* QCA2 (2.0.0 or higher) <http://delta.affinix.com/qca>
Support for remote plasma widgets
* LibACL <ftp://oss.sgi.com/projects/xfs/cmd_tars>
Support for manipulating access control lists
STRONGLY RECOMMENDED
* FAM <http://oss.sgi.com/projects/fam>
File alteration notification support via a separate service
Provides file alteration notification facilities using a separate service.
* Grantlee (0.1.0 or higher) <http://www.grantlee.org>
ModelEventLogger code generation (part of the ProxyModel test suite)
Grantlee is used for generating compilable code by the ModelEventLogger. Without Grantlee, the logger will do nothing.
* HUPnP <http://www.herqq.org>
UPnP support for Solid
Allows Solid to provide information about UPnP devices on the network
* UDev <http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev.html>
UDev support for Solid
Allows Solid to use UDev to provide information about devices on Linux
* GSSAPI <http://web.mit.edu/kerberos/www>
Allows KIO to make use of certain HTTP authentication services
A MIT or HEIMDAL flavor of GSSAPI can be used
* Aspell <http://aspell.net/>
Spell checking support via Aspell
This is not needed for spell checking if Enchant is provided or only Hebrew spell checking is required
* HSpell <http://ivrix.org.il/projects/spell-checker/>
Spell checking support for Hebrew
Hebrew support can also be provided via Enchant, providing the correct Enchant backends are installed
* Enchant <http://www.abisource.com/projects/enchant/>
Spell checking support via Enchant
* OpenEXR <http://www.openexr.com>
Support for OpenEXR images
* Avahi <http://avahi.org>
Facilities for service discovery on a local network (DNSSD)
Either Avahi or DNSSD is required for KDE applications to make use of multicast DNS/DNS-SD service discovery
* DNSSD <http://avahi.org>
Facilities for service discovery on a local network
Either Avahi or DNSSD is required for KDE applications to make use of multicast DNS/DNS-SD service discovery

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-- The following REQUIRED packages could NOT be located on your system.
-- You must install these packages before continuing.
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* Strigi (0.6.3 or higher) <http://strigi.sourceforge.net>
Desktop indexing and search support
Required by some critical kioslaves
* DBusMenuQt <https://launchpad.net/libdbusmenu-qt>
Support for notification area menus via the DBusMenu protocol

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I still get problems with my keyboard ... It has been reported, discussed and mostly ignored on the official OS4 support forums.