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| KDevelop is an IDE from KDE.
| | Moved to https://develop.kde.org/docs/getting-started/building/ide/kdevelop/ |
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| A screen recording version is available https://www.youtube.com/watch?v=LcSfUNrd3S4
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| == kdesrc-build ==
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| Make sure kdesrc-build works correctly. Make sure ~/.config/kdesrc-buildrc contains the lines:
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| {{Input|1=<nowiki>
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| cmake-options -DCMAKE_BUILD_TYPE=Debug
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| </nowiki>}}
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| Using kdesrc-build build a module. E.g.
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| {{Input|1=<nowiki>
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| kdesrc-build bluez-qt
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| </nowiki>}}
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| == Importing a kdesrc-build project into KDevelop ==
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| E.g. on Kubuntu 22.04.
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| {{Input|1=<nowiki>
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| apt install kdevelop clazy heaptrack
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| </nowiki>}}
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| Start kdevelop. From the kdevelop main menu Session > make sure that you have a new/clean session. E.g. Delete Current Session...
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| From kdevelop main menu > Project > Open/Import Project... Name: /home/n/kde/src/bluez-qt/CMakeLists.txt > Next > Finish. If it asks to Override, override.
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| A dialog is shown: Configure a Build Directory for bluez-qt. It will guess all of the values: Build directory: /home/n/kde/build/bluez-qt. "Using an already created build directory.". Installation prefix: /home/n/kde/usr. Build type: Debug. CMake executable: /usr/bin/cmake. Press OK button.
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| == Setting environment variables ==
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| By default kdesrc-build will install everything into separate <code>usr</code> directory to avoid messing with the system path. The file that contains these paths is called <code>prefix.sh</code> and can be found in the build directory of any project, for example <code>/home/n/kde/build/bluez-qt/prefix.sh</code>. By running <code>source prefix.sh</code> inside a terminal you will set up the environment for running a kdesrc-build project. By default the prefix should look something like this:
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| {{Output|1=<nowiki>export PATH=/home/n/kde/usr/bin:$PATH
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| # LD_LIBRARY_PATH only needed if you are building without rpath
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| # export LD_LIBRARY_PATH=/home/n/kde/usr/lib/x86_64-linux-gnu:$LD_LIBRARY_PATH
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| export XDG_DATA_DIRS=/home/n/kde/usr/share:${XDG_DATA_DIRS:-/usr/local/share/:/usr/share/}
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| export XDG_CONFIG_DIRS=/home/n/kde/usr/etc/xdg:${XDG_CONFIG_DIRS:-/etc/xdg}
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| export QT_PLUGIN_PATH=/home/n/kde/usr/lib/x86_64-linux-gnu/plugins:$QT_PLUGIN_PATH
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| export QML2_IMPORT_PATH=/home/n/kde/usr/lib/x86_64-linux-gnu/qml:$QML2_IMPORT_PATH
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| export QT_QUICK_CONTROLS_STYLE_PATH=/home/n/kde/usr/lib/x86_64-linux-gnu/qml/QtQuick/Controls.2/:$QT_QUICK_CONTROLS_STYLE_PATH</nowiki>}}
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| To set up the environment inside KDevelop, first Select "Settings" -> "Configure KDevelop" in the menu bar. Then open the "Environment" settings page. Click the button on the right-hand side called "Batch edit mode" to open a new dialog with an empty text area. Copy and paste the contents of <code>prefix.sh</code> into this window and click "OK" to confirm the text dialog. Finally click "OK" to close the settings window.
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| == Adding breakpoints ==
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| From kdevelop main menu > Window > Tool Views > Projects. Expand the treeview to one of the entrypoints (CMake targets). E.g. bluez-qt > autotests > managertest > managertest.cpp. The file "/home/n/kde/src/bluez-qt/autotests/managertest.cpp" will be opened in the text editor view.
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| Navigate to the method "bluezNotRunningTest()", put a breakpoint on the line with "{" (the opening curly bracket of the method). Right click on the line > Toggle Breakpoint.
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| In Projects view, right click on the CMake target "managertest" > Debug As... > Compiled Binary.
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| An error will be shown "Could not start debugger. Could not run 'lldb-mi'. Make sure that the path name is specified correctly.". From kdevelop main menu > Settings > Configure KDevelop... > Plugins > Debugging > uncheck "LLDB Support" > OK.
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| Navigate to method "bluezNotRunningTest()", put a breakpoint on the line with "{" (the opening curly bracket of the method). Right click on the line > Toggle Breakpoint.
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| In Projects view, right click on the CMake target "managertest" > Debug As... > Compiled Binary.
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| The debugger starts and breaks on the first line of C++ source code after the breakpoint. From the main menu > Run > Step Over (F10)/Step Into (F11)/Step Out (F12).
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