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== Maintaining Source Compatibility ==

With KDE 4.9, '''Nepomuk''' moved out out kdelibs into its own repository. KDE libs is required to maintain source compatibility with earlier releases, and therefore we could not just remove the nepomuk components from kdelibs.

A new repository called [https://projects.kde.org/projects/kde/kdelibs/nepomuk-core nepomuk-core] was introduced which contains all the main components of nepomuk. This included vasts parts of kdelibs/nepomuk and kde-runtime/nepomuk. Another repository called [https://projects.kde.org/projects/kde/kdelibs/nepomuk-widgets nepomuk-widgets] has also been introduced for 4.10.

== Porting to Nepomuk2 ==

Nepomuk2 is predominantly just a namespace change from Nepomuk to Nepomuk2. Additionally, the deprecated components of '''Nepomuk''' have been removed. In order to make porting easier, a simple script has been provided -

<syntaxhighlight lang='bash'>
#!/bin/sh
egrep -lRZ "Nepomuk" . | xargs -0 -l sed -i -e 's/Nepomuk::/Nepomuk2::/g'
egrep -lRZ "Nepomuk" . | xargs -0 -l sed -i -e 's/#include <Nepomuk\//#include <Nepomuk2\//'
egrep -lRZ "nepomuk" . | xargs -0 -l sed -i -e 's/#include <nepomuk\//#include <nepomuk2\//'
egrep -lRZ "Nepomuk" . | xargs -0 -l sed -i -e 's/namespace Nepomuk/namespace Nepomuk2/g'
egrep -lRZ "resourceType" . | xargs -0 -l sed -i -e 's/\.resourceType/\.type/g'
egrep -lRZ "resourceUri" . | xargs -0 -l sed -i -e 's/\.resourceUri/\.uri/g'
egrep -lRZ "NEPOMUK_INCLUDE_DIR" . | xargs -0 -l sed -i -e 's/NEPOMUK_INCLUDE_DIR/NEPOMUK_CORE_INCLUDE_DIR/g'
egrep -lRZ "NEPOMUK_LIBRARIES" . | xargs -0 -l sed -i -e 's/NEPOMUK_LIBRARIES/NEPOMUK_CORE_LIBRARY/g'
egrep -lRZ "NEPOMUK_QUERY_LIBRARIES" . | xargs -0 -l sed -i -e 's/${NEPOMUK_QUERY_LIBRARIES}//g'
</syntaxhighlight>

This script should cover all the source code changes, and most of the cmake changes.

== CMake Changes ==

Depending on whether you require the GUI components you'll require the following includes

<syntaxhighlight lang="cmake">
find_package(NepomukCore)
find_package(NepomukWidgets)
</syntaxhighlight>

With NepomukCore, the following CMake variables are declared -

<syntaxhighlight lang='cmake'>
#
# NEPOMUK_CORE_LIB_DIR : The nepomuk-core library directory
# NEPOMUK_CORE_INCLUDE_DIR : The nepomuk-core include directory
# NEPOMUK_CORE_VERSION : The nepomuk-core version
# NEPOMUK_CORE_ONTOLOGY_DIR : The nepomuk-core ontologies location
# NEPOMUK_CORE_DBUS_INTERFACES_DIR : The nepomuk-core DBUS Interfaces dir
# NEPOMUK_CORE_LIBRARY : The nepomukcore library
#
</syntaxhighlight>

With NepomukWidgets, the following CMake variables are declared -

<syntaxhighlight lang="cmake">
#
# NEPOMUK_WIDGETS_LIB_DIR : The nepomuk-widgets library directory
# NEPOMUK_WIDGETS_INCLUDE_DIR : The nepomuk-widgets include directory
# NEPOMUK_WIDGETS_VERSION : The nepomuk-widgets version
# NEPOMUK_WIDGETS_LIBRARY : The nepomuk-widgets library
#
</syntaxhighlight>

[[Category:Documentation]]
[[Category:Development]]
[[Category:Tutorials]]

@@ Line 61: / Line 61: @@
+#
 </syntaxhighlight>
 [[Category:Documentation]]
 [[Category:Development]]
 [[Category:Tutorials]]

Projects/Nepomuk/Nepomuk2Port/en - Revision history

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