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| This guide explains how to build Krita from standard Qt 5 and KDE Frameworks 5 development packages provided with Debian/Ubuntu. | | This is stubbed out, moved to Krita/linuxbuild. |
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| You must begin with a C++ development toolkit including gcc, git, and cmake.
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| It is fundamentally [https://community.kde.org/Calligra/Building/3 similiar to building Calligra], but three differences. I am too lazy to copy all of those instructions into this page, it would be nice if you did it though. <tt>=)</tt>
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| === Krita's dependencies ===
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| The first difference is that Krita's dependencies are different. Drumroll, please:
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| sudo apt install extra-cmake-modules kdelibs5-dev libkf5archive-dev libkf5completion-dev libkf5config-dev
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| libkf5coreaddons-dev libkf5guiaddons-dev libkf5i18n-dev libkf5itemmodels-dev libkf5itemviews-dev
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| libkf5widgetsaddons-dev libkf5windowsystem-dev libkf5kiocore5 qtbase5-dev libqt5svg5-dev
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| qtdeclarative5-dev libqt5x11extras5-dev libqt5opengl5-dev libeigen3-dev libxi-dev libboost-all-dev
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| libopenexr-dev vc-dev libexiv2-dev libgsl0-dev liblcms2-dev libpoppler-qt5-dev shared-mime-info
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| Technically you can get away without each and every one. KIO and QtDeclarative are for Krita Sketch. Poppler is for PDF import. GSL is for the transform tool and in the future the magnetic lasso tool. Vc is for faster SIMD accelerated painting. SharedMimeInfo is for determining file types. If you want to build Krita without these features, you can omit the package.
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| === Downloading Krita's repository ===
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| The second difference is that Krita's source repository is different.
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| cd ~/kf5/src (Or, wherever you want to download the source code)
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| git clone kde:krita
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| === CMake command ===
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| The third difference is that Krita's build system has diverged. For example, since there is only one product, Krita does not use productsets any longer. This will turn of building tests, and the docbook, so that building is faster. <tt>RelWithDebInfo</tt> optimization level is nearly always good enough for everyday debugging, but it is also fast enough to paint with. <tt>=)</tt>
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| cd ~/kf5/build/krita
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| cmake -DCMAKE_INSTALL_PREFIX=$HOME/kde/inst5 $HOME/kde/src/calligra -DCMAKE_BUILD_TYPE=RelWithDebInfo
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| -DBUILD_TESTING=OFF -DBUILD_doc=OFF
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| make -j12
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| Remember that you can change build settings with <tt>cmake . -DNEW_SETTING</tt> or by using <tt>cmake-gui</tt> found in the package <tt>cmake-qt-gui</tt>
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| === Other things to note ===
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| If you are OK installing in your home folder, with -DCMAKE_INSTALL_PREFIX=~/, you need only one environment variable to run Krita:
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| export XDG_DATA_DIRS=$HOME/kde/inst5/share:$XDG_DATA_DIRS
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| If you plan to develop Krita, you can get faster builds with Ninja and Gold Linker. See the Calligra building page above for more information.
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This is stubbed out, moved to Krita/linuxbuild.
