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Opening PostgreSQL Source Code in CLion

に公開
PostgreSQL
C
tech

I suddenly felt like reading the PostgreSQL source code.

And since I'm going to read it, I wanted to use a JetBrains IDE that I'm familiar with.

When it comes to the C language, I'm a complete amateur who only knows a bit of the syntax. I've never written or read a Makefile before. If I get anything wrong, please let me know kindly.

Environment

  • macOS 26.0 (M1 Pro)
  • CLion 2025.2.2
  • meson 1.9.0

You can install CLion from the JetBrains website.

Installing meson

According to the official website:

Meson is an open source build system meant to be both extremely fast, and, even more importantly, as user friendly as possible.

In short, a build tool? I guess it's something like Maven or Gradle in the Java world.

I was able to install it using Homebrew.

brew install meson

Cloning the PostgreSQL source code

git clone https://github.com/postgres/postgres

Opening in CLion

When you open the cloned folder in CLion, you'll be prompted as shown below 👇️, so select "meson project".

After a while, it opened!

Discussion