Perl Builder Cookbook: Practical Recipes for Building Perl Modules

Perl Builder: A Beginner’s Guide to Automating Perl Projects

What it is

Perl Builder is a hypothetical (or real, depending on context) build automation approach for Perl projects that focuses on scripting common tasks—compiling XS components, running tests, building distributions, generating metadata, and packaging releases—so they run reliably and repeatably.

Why use it

• Consistency: Ensures the same steps run the same way across machines and CI.
• Speed: Automates repetitive tasks to save developer time.
• Reproducibility: Creates reproducible builds and artifacts for releases.
• Integration: Fits into CI/CD pipelines and can call testing, linting, and deployment tools.

Typical features (what to expect)

• Build scripts or task files (Makefile-like or task runners).
• Commands to run unit tests, static analysis (Perl::Critic), and linters.
• Steps to compile XS/C components and manage dependencies (cpanfile, Carton).
• Packaging and release steps (META.yml/META.json generation, creating tarballs or zips).
• Hooks for CI (GitHub Actions, GitLab CI) and signing/uploading to CPAN or private repos.

Basic workflow (example)

1. Install dependencies locally (cpanfile + Carton).
2. Run tests: unit, integration, and coverage.
3. Lint and static analysis.
4. Build distribution (create .tar.gz or .zip).
5. Publish to CPAN or artifact repository.

Simple starter script (task runner style)

perl
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# build.pl - simple example
use strict;
use warnings;
system(“carton install”);
system(“prove -l t”);
system(“perlcritic lib”);
system(“dzil build”) if -x ‘dzil’;
system(“cpanm –to . –installdeps .”);

Best practices

• Keep build steps declarative and idempotent.
• Run tests locally and in CI on multiple Perl versions.
• Pin dependencies for reproducible builds (Carton).
• Include code quality checks (Perl::Critic, syntax checks).
• Automate releases but require manual approval for production deploys.

Learning path

• Learn basic Perl project layout (lib/, t/, Makefile.PL or Build.PL).
• Use Carton or cpanminus for dependency management.
• Add automated tests with Test::More and CI integration.
• Explore Dist::Zilla or Module::Build for advanced packaging.

If you want, I can create a concrete build script for your project layout or a CI workflow (GitHub Actions) tuned to Perl versions you target.