Explain the make build in the README.md file

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Chris Vest 2020-11-18 17:32:42 +01:00
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commit b0acb61f03
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.PHONY: image test dbg clean build
.DEFAULT_GOAL := build
image:
docker build --tag netty-incubator-buffer:build .

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# Netty Incubator Buffer API
This repository is incubating a new buffer API proposed for Netty 5.
## Building and Testing
Short version: just run `make`.
The project currently relies on snapshot versions of the [Panama Foreign](https://github.com/openjdk/panama-foreign) fork of OpenJDK.
This allows us to test out the must recent version of the `jdk.incubator.foreign` APIs, but also make building and local development more involved.
To simplify things, we have a Docker based build, controlled via a Makefile with the following commands:
* `image` build the docker image. This includes building a snapshot of OpenJDK, and download all relevant Maven dependencies.
* `test` run all tests in a docker container. This implies `image`. The container is automatically deleted afterwards.
* `dbg` drop into a shell in the build container, without running the build itself. The debugging container is not deleted afterwards.
* `clean` remote the debugging container created by `dbg`.
* `build` build binaries and run all tests in a container, and copy the `target` directory out of the container afterwards. This is the default build target.