2025-05-28 16:38:53 -06:00

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# angelauramc-openjdk-build
**This branch is for OpenJDK 17 and 21.**
Based on [Java for Android](http://openjdk.java.net/projects/mobile/android.html) and [the PojavLauncher variant](https://github.com/PojavLauncherTeam/android-openjdk-build-multiarch)
## Building
### Setup
#### Android
**Note:** We use Ubuntu 24.04 LTS to build our JDKs. Adapt these dependencies to your distribution, it should build fine.
- Install `autoconf`, `python3`, `python-is-python3`, `unzip`, `zip`, `systemtap-sdt-dev`, `libxtst-dev`, `libasound2-dev`, `libelf-dev`, `libfontconfig1-dev`, `libx11-dev`, `libxext-dev`, `libxrandr-dev`, `libxrender-dev`, `libxtst-dev`, `libxt-dev`.
- If building JDK 17, install `openjdk-17-jdk`. For 21, `openjdk-21-jdk`.
- Install Android NDK r27b.
#### iOS
- Install latest Xcode on your Mac.
- If building JDK 17, install JDK 17. For 21, install JDK 21.
### Platform and architecture specific environment variables
<table>
<thead>
<tr>
<th></th>
<th align="center" colspan="7">Environment variables</th>
</tr>
<tr>
<th>Platform - Architecture</th>
<th align="center">TARGET</th>
<th align="center">TARGET_JDK</th>
</tr>
</thead>
<tbody>
<tr>
<td>Android - armv8/aarch64</td>
<td align="center">aarch64-linux-android</td>
<td align="center">aarch64</td>
</tr>
<tr>
<td>Android - armv7/aarch32</td>
<td align="center">arm-linux-androideabi</td>
<td align="center">arm</td>
</tr>
<tr>
<td>Android - x86/i686</td>
<td align="center">i686-linux-android</td>
<td align="center">x86</td>
</tr>
<tr>
<td>Android - x86_64/amd64</td>
<td align="center">x86_64-linux-android</td>
<td align="center">x86_64</td>
</tr>
<tr>
<td>iOS/iPadOS - armv8/aarch64</td>
<td align="center">aarch64-macos-ios</td>
<td align="center">aarch64</td>
</tr>
</tbody>
</table>
### Run in this directory:
```
export BUILD_IOS=1 # only when targeting iOS, default is 0 (target Android)
export BUILD_FREETYPE_VERSION=[2.6.2/.../2.10.4] # default: 2.10.4
export JDK_DEBUG_LEVEL=[release/fastdebug/debug] # default: release
export JVM_VARIANTS=[client/server] # default: client (aarch32), server (other architectures)
# Setup NDK, run once (Android only)
./extractndk.sh
./maketoolchain.sh
# Get CUPS, Freetype and build Freetype
./getlibs.sh
./buildlibs.sh
# Clone JDK, run once
./clonejdk.sh
# Configure JDK and build, if no configuration is changed, run makejdkwithoutconfigure.sh instead
./buildjdk.sh
# Pack the built JDK
./removejdkdebuginfo.sh
./tarjdk.sh
```