GNU Make Purpose Guide agents through idiomatic Makefile patterns for C/C++ projects: phony targets, pattern rules, automatic dependency generation, and common build idioms. Triggers - "How do I write a Makefile for my C project?" - "My Makefile rebuilds everything every time" - "How do I add dependency tracking to Make?" - "What does , , mean?" - "I'm getting 'make: Nothing to be done for all'" - "How do I convert my shell compile script to a Makefile?" Workflow 1. Minimal correct Makefile for C Automatic variables: - — target name - — first prerequisite - — all prerequisites (deduplicated)…