Will this skill modify my Makefile automatically?

It can suggest specific code changes or add specialized debugging targets like '.PHONY: debug-make' to your Makefile to make future troubleshooting easier and more transparent.

How does this skill help with slow build times?

It uses a measure-first approach, employing timing commands and diagnostic flags to identify whether compilation, linking, or dependency resolution is the actual bottleneck before suggesting specific optimizations like parallel execution or ccache.

Does this skill work with all versions of GNU Make?

It covers universal flags like -n and -p found in most versions, as well as modern features like --trace available in GNU Make 4.0 and newer.

Can it fix a Makefile that rebuilds everything every time?

Yes, it utilizes 'make -d' and timestamp analysis to find exactly which file or rule is triggering unnecessary rebuilds and provides a targeted fix for your dependency graph.

Is it safe to use on complex production build systems?

Yes. The skill prioritizes non-destructive dry-runs and diagnostic flags to understand the existing logic before recommending any structural changes to your build process.

GNU Make Debugger & Optimizer

Name: GNU Make Debugger & Optimizer
Author: therealbill

bytherealbill

0•

デプロイメントとDevOps

Diagnoses Makefile logic errors, resolves slow build performance, and optimizes dependency graphs using systematic diagnostic techniques.

This skill transforms Claude into a GNU Make expert capable of troubleshooting complex build system issues through a systematic, data-driven methodology. Instead of relying on guesswork, it leverages built-in diagnostic flags like dry-runs, dependency tracing, and database inspection to identify the root causes of unexpected rebuilds, circular dependencies, and performance bottlenecks. It is particularly useful for developers managing large projects who need to reduce compilation times, fix broken incremental builds, or audit complex variable expansions and implicit rules.

主な機能

01Automatic generation of diagnostic and help targets for Makefiles

02Build performance benchmarking and optimization via parallelism and caching

030 GitHub stars

04Systematic diagnostic workflows using make -n, -d, -p, and --trace flags

05Variable inspection and database auditing to resolve dependency conflicts

06Root cause analysis for 'everything rebuilds' and 'target never rebuilds' issues

ユースケース

01Reducing build times for massive C/C++ codebases using parallelization and ccache

02Auditing complex Makefiles to identify hidden variable values or conflicting implicit rules

03Troubleshooting why a project unnecessarily rebuilds all files on every execution

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add therealbill/mynet makefile-debugging-optimization

For use in Claude.ai and ChatGPT

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