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Fixed typo ".do" and added info on how you can override java.library.path

Atomic-Bean 2020-12-16 15:06:58 +10:30
parent 807f8773f9
commit 37aab20e77
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Provide-native-lib-for-libsignal.md

@ -1,6 +1,16 @@
For the new v2 groups libsignal-service requires [libzkgroup](https://github.com/signalapp/zkgroup), a native (rust) library. The library needs to be compiled separately for each CPU architecture and operating system.
The `.dylib` for macOS and the `.so` for unix systems can be bundled in the root of the `zkgroup-java-*.jar` file (but only for one architecture at a time). Only if there is no bundled file will libsignal search the library path (`java.library.path`) for the `.dylib`/`.do`/`.dll` file.
For the new v2 groups libsignal-service requires [libzkgroup](https://github.com/signalapp/zkgroup), a native (rust) library. The library needs to be compiled separately for each CPU architecture and operating system. The `.dylib` for macOS and the `.so` for unix systems can be bundled in the root of the `zkgroup-java-*.jar` file (but only for one architecture at a time). Only if there is no bundled file will libsignal search the library path (`java.library.path`) for the `.dylib`/`.so`/`.dll` file.
The linux x86_64 version is bundled by default, for other systems, you need to remove the bundled lib from the jar file, download or compile (`make libzkgroup`) the latest [libzkgroup](https://github.com/signalapp/zkgroup/releases) for your system and put it in the library path.
The linux x86_64 version is bundled by default. For other systems, you need to remove the bundled lib from the jar file
`zip -d lib/zkgroup-java-*.jar libzkgroup.so`
zip -d build/install/signal-cli/lib/zkgroup-java-*.jar libzkgroup.so
Then either download the pre-built lib file or compile (`make libzkgroup`) the latest [libzkgroup](https://github.com/signalapp/zkgroup/releases) for your system and put it in the library path.
### Overriding `java.library.path`
If you are using `java.library.path` and you can't find you paths or simply wish to not use the system defaults, then you can override the paths by modifying the final line of `build/install/signal-cli/bin/signal-cli`
```bash
JAVA_LIBRARY_PATH="-Djava.library.path=/your/java/library/path"
exec "$JAVACMD" "$JAVA_LIBRARY_PATH" "$@"
```
Make sure to place your `.dylib`/`.so`/`.dll` file in that folder