mirror of
https://github.com/koreader/koreader
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f0f0cfd167
* Steer people more strongly towards koxtoolchain And stop mentioning blatantly broken/outdated stuff * Add macOS to the list Also, put 'em in hierarchical order, and link to the main build docs for the native emulator.
183 lines
4.5 KiB
Markdown
183 lines
4.5 KiB
Markdown
# Building targets
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KOReader is available for multiple platforms. Here are instructions to build installable packages for all these platforms.
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These instructions are intended for a Linux OS. MacOS and Windows users are suggested to develop in a Linux VM.
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## Prerequisites
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This instructions asume that you [have a development environment ready to run](Building.md) KOReader. If not then please install common prerequisites first.
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### A toolchain for your target.
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Each target has its own architecture and you'll need to setup a proper cross-compile toolchain. Your GCC should be at least version 4.9.
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#### for Android
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A compatible version of the Android NDK and SDK will be downloaded automatically by `./kodev release android` if no NDK or SDK is provided in environment variables. For that purpose you can use:
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```
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NDK=/ndk/location SDK=/sdk/location ./kodev release android
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```
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If you want to use your own installed tools please make sure that you have the **NDKr15c** and the SDK for Android 9 (**API level 28**) already installed.
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#### for embedded linux devices
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Cross compile toolchains are available for Ubuntu users through these commands:
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##### Ubuntu Touch
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```
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sudo apt-get install gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf
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```
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**NOTE 1:** The packages `pkg-config-arm-linux-gnueabihf` and `pkg-config-arm-linux-gnueabi` may
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block you from building. Remove them if you get the following ld error
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```
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/usr/lib/gcc-cross/arm-linux-gnueabihf/4.8/../../../../arm-linux-gnueabihf/bin/ld: cannot find -lglib-2.0
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```
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##### e-Ink devices (e.g., Kindle, Kobo, Cervantes, reMarkable, PocketBook)
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**NOTE:** While, for some targets (specifically, Cervantes, Kindle & Kobo), we make *some* effort to support Linaro/Ubuntu TCs,
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they do *not* exactly target the proper devices. While your build *may* go fine, this will *probably* lead to runtime failure.
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As time goes by, and/or the more bleeding-edge your distro is, the greater the risk for mismatch gets.
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Which means, that, unless you are *very* sure you know what you're doing, you'll want to use the exact same TCs we do, ones that target their respective platforms properly.
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We have a distribution-agnostic solution to make that mostly painless: [koxtoolchain](https://github.com/koreader/koxtoolchain)!
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This will allow you to build the *exact* same TCs used to build the nightlies, thanks to the magic of [crosstool-ng](https://github.com/crosstool-ng/crosstool-ng). These are also included precompiled in the Docker images for the respective targets.
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### Additional packages
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Some platforms will require additional packages:
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#### for Android
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Building for Android requires `openjdk-8-jdk` and `p7zip-full`.
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For both Ubuntu and Debian, install the packages:
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```
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sudo apt-get install openjdk-8-jdk p7zip-full
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```
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#### for Debian
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Building a debian package requires the `dpkg-deb` tool. It should be already installed if you're on a Debian/Ubuntu based distribution.
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#### for Ubuntu Touch
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Building for Ubuntu Touch requires the `click` package management tool.
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Ubuntu users can install it with:
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```
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sudo apt-get install click
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```
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**NOTE**: The Ubuntu Touch build won't start anymore, and none of the currently active developers have any physical devices. Please visit [#4960](https://github.com/koreader/koreader/issues/4960) if you want to help.
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The Ubuntu Touch builds are therefore no longer published under releases on GitHub, but they are still available from [the nightly build server](http://build.koreader.rocks/download/nightly/).
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## Building
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You can check out our [nightlybuild script][nb-script] to see how to build a package from scratch.
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### Android
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```
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./kodev release android
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```
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### Android (x86)
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```
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ANDROID_ARCH=x86 ./kodev release android
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```
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### Desktop Linux
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#### Emulator
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See [Building](https://github.com/koreader/koreader/blob/master/doc/Building.md).
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#### AppImage (x86_64)
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```
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./kodev release appimage
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```
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#### Debian (x86_64)
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```
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./kodev release debian
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```
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#### Debian (armel)
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```
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./kodev release debian-armel
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```
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#### Debian (armhf)
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```
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./kodev release debian-armhf
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```
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### Desktop macOS
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```
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./kodev release macos
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```
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### e-Ink devices
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#### Cervantes
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```
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./kodev release cervantes
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```
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#### Kindle
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```
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./kodev release kindle
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```
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#### Kobo
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```
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./kodev release kobo
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```
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#### Pocketbook
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```
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./kodev release pocketbook
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```
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#### reMarkable
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```
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./kodev release remarkable
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```
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### Embedded Linux devices
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#### Ubuntu Touch
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```
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./kodev release ubuntu-touch
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```
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## Porting to a new target.
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See [Porting.md](Porting.md)
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[nb-script]:https://gitlab.com/koreader/nightly-builds/blob/master/build_release.sh
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