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BUILD.md

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SourceMod Ninja Project Build Instructions

This project uses the Ninja Project Template for SourceMod Plugins.

The following is documentation of build steps required for the repository at the time this project was generated; the source template may be different in the future.

Prerequisites

A few things are needed for developing with this environment:

  • A familiarity with command line tooling.
    • An understanding of calling programs and changing directories will do.
  • The ninja build system.
    • It's small, fast, cross-platform, and isn't tied to any particular set of tools.
  • Python 3.6 or newer.
    • Used to detect our compiler and write out the build script for ninja.
  • A clean copy of the SourceMod compiler. It should not contain any third-party includes.
    • Which version you'll need depends on the project, but assume latest stable if not specified.
    • An untouched compiler directory ensures build consistency by not polluting it with custom files — all non built-in dependencies should be encapsulated in the project repository (by adding the dependency as a submodule or copying the include files directly).
    • You only need the addons/sourcemod/scripting/ directory from the SourceMod package.
    • The scripting directory doesn't need to be in %PATH% / $PATH; the script provides --spcomp-dir. This also allows you to quickly switch between compiler / SourceMod versions.
    • Do not add / commit the compiler and core includes into your project; the clean compiler can be shared between projects and updated independently from your project. However, do add third-party includes into your project.

You only need to install these once, but make sure to skim over the README.md in case other projects using this project template require additional software dependencies.

Expand to see instructions for installing dependencies
  1. Install ninja.
    • You can download the latest version for Windows / Mac / Linux from the ninja releases page and install it into your path.
    • With Scoop on Windows, use scoop install ninja.
    • With Debian and Debian-based distributions like Ubuntu, apt install ninja-build will get you the distro's version, which may be a few versions behind current. That should be fine enough in most cases.
  2. Install Python 3.
    • You can download and install it manually from the official site.
    • With Scoop, scoop install python.
    • With Debian-based distributions, apt install python3.
  3. Download the SourceMod compiler.
    • On Linux, both 32- and 64-bit versions of spcomp are supported by the build script; you do not need to install 32-bit compatibility libraries on your build machine.

Building

The tl;dr is that you should be able to build any git-based project in this format with the following commands:

git clone --recurse-submodules ${repo}
# cd into repo
python3 configure.py --spcomp-dir ${dir}
ninja

Detailed explanation:

  1. Clone the repository and any git repositories it depends on, then navigate to it.
  2. Run python3 configure.py --spcomp-dir ${dir} within the project root, where ${dir} is a directory containing the SourcePawn compiler (spcomp) and SourceMod's base include files. This will create the build.ninja script.
    • You may need to use python3.8 or some other variant of the executable name, depending on your environment.
    • If --spcomp-dir isn't specified, the script will try to detect the compiler based on an existing spcomp executable in your path.
    • Do not add build.ninja to version control; it should always be generated from configure.py as it contains paths specific to your filesystem. (It's ignored by default, but mentioned here for emphasis.)
  3. Run ninja; this will read the build.ninja script and build things as necessary. Files will be generated and copied to build/, creating any intermediate folders if they don't exist. Re-run ninja whenever you make changes to rebuild any files as necessary.
    • You do not have to re-run python3 configure.py yourself; running ninja will do this for you if configure.py itself is modified, and it will pass in the same parameters you originally used. You may want to re-run it yourself if you change the options.
    • Any files removed from configure.py will remain in build/; run ninja -t cleandead to remove any lingering outputs.
    • In case you need to wipe the build outputs, delete build.ninja and build/, then start from step 2.