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Merge bitcoin/bitcoin#30049: build, test, doc: Temporarily remove Android-related stuff

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5deb0b024e build, test, doc: Temporarily remove Android-related stuff (Hennadii Stepanov)

Pull request description:

  Previously, our Android builds were geared towards generating APKs, which relied on Qt. However, after migrating to C++20, compiling for Android became unfeasible due to Qt 5.15's compatibility limitations with NDK only up to r25, which includes an outdated embedded libc++ (see https://github.com/bitcoin/bitcoin/issues/29360).

  All removed stuff will be reinstated after migrating the build system to CMake and upgrading Qt to version 6.x.

  This PR makes possible a clean migration to the CMake-based build system as it removes code, which is not used at this moment.

ACKs for top commit:
  vasild:
    ACK 5deb0b024e
  fanquake:
    ACK 5deb0b024e - given none of this is currently tested/wont compile. Can be revisted in future.

Tree-SHA512: 3bc2ccfe881e11cc1d78c27acd6f1d86cfba86821ef3bb5eca2e80d978fdfa13659ec82284dcaadc507e2394524dea91d4b8f81d0030c1cef9708df8be76bf07
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merge-script
2024-05-30 09:25:42 +01:00
parent 10164916f7 5deb0b024e
commit f61ede574c
27 changed files with 4 additions and 329 deletions
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doc/README.md
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@@ -45,7 +45,6 @@ The following are developer notes on how to build Bitcoin Core on your native pl
- [FreeBSD Build Notes](build-freebsd.md)
- [OpenBSD Build Notes](build-openbsd.md)
- [NetBSD Build Notes](build-netbsd.md)
- [Android Build Notes](build-android.md)
Development
---------------------

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doc/build-android.md
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@@ -1,25 +0,0 @@
ANDROID BUILD NOTES
======================
This guide describes how to build and package the `bitcoin-qt` GUI for Android on Linux and macOS.
## Dependencies
Before proceeding with an Android build one needs to get the [Android SDK](https://developer.android.com/studio) and use the "SDK Manager" tool to download the NDK and one or more "Platform packages" (these are Android versions and have a corresponding API level).
The minimum supported Android NDK version is [r23](https://github.com/android/ndk/wiki/Changelog-r23).
In order to build `ANDROID_API_LEVEL` (API level corresponding to the Android version targeted, e.g. Android 9.0 Pie is 28 and its "Platform package" needs to be available) and `ANDROID_TOOLCHAIN_BIN` (path to toolchain binaries depending on the platform the build is being performed on) need to be set.
API levels from 24 to 29 have been tested to work.
If the build includes Qt, environment variables `ANDROID_SDK` and `ANDROID_NDK` need to be set as well but can otherwise be omitted.
This is an example command for a default build with no disabled dependencies:
ANDROID_SDK=/home/user/Android/Sdk ANDROID_NDK=/home/user/Android/Sdk/ndk-bundle make HOST=aarch64-linux-android ANDROID_API_LEVEL=28 ANDROID_TOOLCHAIN_BIN=/home/user/Android/Sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64/bin
## Building and packaging
After the depends are built configure with one of the resulting prefixes and run `make && make apk` in `src/qt`.