龙芯使用IDEA 2021.3 社区版

第一步：下载 http://ftp.loongnix.cn/Java/openjdk11/loongson11.0.2138-ea-jdk11.0.12_7-linux-loongarch64.tar.gz 。

第二步：解压到 /usr/lib/jvm/java-11-openjdk-loongarch64 。

第三步：下载 IDEA 2021.3 社区版（不需要 jbr，下载了带 jbr 文件夹的也可以手动删除），解压到 /usr/local/share/idea-IC-213.5744.223 。

第四步：初次启动 IDEA

cd /usr/local/share/idea-IC-213.5744.223/bin
export IDEA_JDK=/usr/lib/jvm/java-11-openjdk-loongarch64
sh idea.sh

第五步：使用 idea.jdk 替代 IDEA_JDK 环境变量，编辑 ~/.config/JetBrains/IdeaIC2021.3/idea.jdk 。

第六步：自行编译并配置 fsNotifier ，修复文件监听问题。

https://youtrack.jetbrains.com/articles/IDEA-A-1/Compiling-File-Watcher

you want to use it on some other platform, please compile it yourself:

1. Upgrade the IDE to version 2019.3 or newer.

2. Make sure you have C compiler and standard library headers/libraries packages installed (on Ubuntu, sudo apt install libc6-dev gcc should be enough).

3. Download all *.h and *.c files along with make.sh from https://github.com/JetBrains/intellij-community/tree/master/native/fsNotifier/linux, then execute make.sh in the directory with downloaded files.

4. Copy the compiled fsnotifier binary into any location, preferably outside of the IDE installation directory.

5. Start the IDE and invoke Help | Edit Custom Properties action (or Configure | Edit Custom Properties from the welcome screen), add the following line, then restart the IDE: idea.filewatcher.executable.path = fsnotifier-<ARCH>

第七步：关闭，重启 IDEA。可以使用 .desktop 文件创建菜单栏快捷方式。

至此，龙芯 IDEA 2021.3 社区版已完成安装。