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Welcome to JetBrains Runtime!

JetBrains Runtime is a fork of OpenJDK available for Windows, Mac OS X, and Linux. It includes a number of enhancements in font rendering, HiDPI support, windowing/focus subsystems, performance improvements and bugfixes.

NOTE: This is a development branch that is periodically synchronized with the OpenJDK master branch.

Release builds are based on these branches:

• jbr11 (JDK 11)
• jbr17 (JDK 17)

Download the latest releases of JetBrains Runtime to use with JetBrains IDEs. The full list can be found on the releases page.

Releases based on JDK 17

Releases based on JDK 11

Contents

• Welcome to JetBrains Runtime
  • Products Built on JetBrains Runtime
  • Getting Sources
    • macOS, Linux
    • Windows
  • Configuring the Build Environment
    • Linux (Docker)
    • Ubuntu Linux
    • Windows
    • macOS
  • Developing
  • Contributing
  • Resources

Products Built on JetBrains Runtime

• Android Studio. The official IDE for Google's Android operating system.
• CLion. A cross-platform IDE for C and C++ from JetBrains.
• DataGrip. The IDE for Databases and SQL from JetBrains.
• GoLand. The cross-platform Go IDE from JetBrains.
• IntelliJ IDEA. The IDE for JVM from JetBrains.
• JProfiler. The Java profiler.
• PhpStorm. The PHP IDE from JetBrains.
• PyCharm. The Python IDE from JetBrains.
• Rider. The cross-platform .NET IDE from JetBrains.
• RubyMine. The Ruby and Rails IDE from JetBrains.
• WebStorm. The JavaScript IDE from JetBrains.
• YourKit. Java and .NET profilers.

Getting Sources

macOS, Linux

git config --global core.autocrlf input
git clone git@github.com:JetBrains/JetBrainsRuntime.git

Windows

git config --global core.autocrlf false
git clone git@github.com:JetBrains/JetBrainsRuntime.git

Configuring the Build Environment

Here are quick per-platform instructions for those who can't wait to get started. Please refer to OpenJDK build docs for in-depth coverage of all the details.

TIP: To get a preliminary report of what's missing, run ./configure and check its output. It would usually have meaningful advice on how to solve the problem.

Linux (Docker)

Create a container:

$ cd jb/project/docker
$ docker build .
...
Successfully built 942ea9900054

Run these commands in the new container:

$ docker run -v `pwd`../../../../:/JetBrainsRuntime -it 942ea9900054
# cd /JetBrainsRuntime
# sh ./configure
# make images CONF=linux-x86_64-normal-server-release

Ubuntu Linux

Install the necessary tools, libraries, and headers with:

$ sudo apt-get install autoconf make build-essential libx11-dev libxext-dev libxrender-dev libxtst-dev \
       libxt-dev libxrandr-dev libcups2-dev libfontconfig1-dev libasound2-dev

Get Java 18 (for instance, Azul Zulu Builds of OpenJDK 18).

Then run the following:

$ cd JetBrainsRuntime
$ git checkout jbr-dev
$ sh ./configure
$ make images

This will build the release configuration under ./build/linux-x86_64-server-release/.

Windows

Install the following:

• Cygwin x64. Required packages: autoconf, binutils, cpio, diffutils, file, gawk, gcc-core, make, m4, unzip, zip.
  Install those together with Cygwin.
• Visual Studio compiler toolset. Install with the desktop development kit, which includes Windows SDK and compilers. Visual Studio 2019 is supported by default.
• Java 18 (for instance, Azul Zulu Builds of OpenJDK 18). If you have problems while configuring, read Java tips on Cygwin.

From the command line:

"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvarsall.bat" amd64
"c:\Program_Files\cygwin64\bin\mintty.exe" /bin/bash -l

The first command sets up environment variables, the second starts a Cygwin shell with the proper environment.

In the Cygwin shell:

$ cd JetBrainsRuntime
$ git checkout jbr-dev
$ bash configure --with-toolchain-version=2019
$ make images

This will build the release configuration under ./build/windows-x86_64-server-release/.

macOS

Install the following:

• Xcode command line developer tools and autoconf via Homebrew.
• Java 18 (for instance, Azul Zulu Builds of OpenJDK 18).

From the command line:

$ cd JetBrainsRuntime
$ git checkout jbr-dev
$ sh ./configure
$ make images

This will build the release configuration under ./build/macosx-x86_64-server-release/.

Developing

You can use CLion to develop native parts of the JetBrains Runtime and IntelliJ IDEA for the parts written in Java. Both require projects to be created.

CLion

Run

$ make compile-commands

in the git root and open the resulting build/.../compile_commands.json file as a project. Then use Tools | Compilation Database | Change Project Root to point to git root of this repository.

See also this detailed step-by-step tutorial for all platforms: How to develop OpenJDK with CLion.

IDEA

Run

$ sh ./bin/idea.sh

in the git root to generate project files (add --help for options). If you have multiple configurations (for example, release and fastdebug), supply the --conf <conf_name> argument. Then open the git root directory as a project in IDEA.

Contributing

We are happy to receive your pull requests! Before you submit one, please sign our Contributor License Agreement (CLA).

Resources

• JetBrains Runtime on GitHub.
• OpenJDK build instructions.
• OpenJDK test instructions.