Does it cover GNU Make vs BSD Make?

Primarily GNU Make (what most developers use). BSD-specific incompatibilities are noted where GNU syntax breaks.

What about pattern rules?

Yes — `%.o: %.c` implicit rules are covered, along with .PHONY targets and automatic variables ($@, $<, $^).

Is it relevant for modern projects?

Very — Makefiles are a universal task runner. Even projects using npm scripts or justfiles often have a Makefile for devex consistency.

What about parallel builds?

Yes — `make -j N` for parallel, plus .NOTPARALLEL when targets have hidden dependencies.

Makefile Cheatsheet | DevTools Surf

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Example: Makefile Cheatsheet

A worked example, rendered from real sample data. Sign in to run the tool on your own input.

Input

target

Output

─── Makefile RULES ───

target: dependencies   Define a rule with target and dependencies
	<recipe>              Tab-indented commands to build target (MUST be tab, not spaces)
.PHONY: target         Mark target as phony (not a file)
target: dep1 dep2      Multiple dependencies trigger target build
$@                     Reference target name in recipe
$?                     Reference dependencies newer than target

About Makefile Cheatsheet

Makefile Cheatsheet preview - Cheatsheets tool

Rules, variables, functions, pattern matching, advanced features. Part of the DevTools Surf developer suite. Browse more tools in the Cheatsheets collection.

Use Cases

C/C++ developers managing compilation and linking steps
DevOps engineers creating shortcut commands for Docker and deploy workflows
Go developers using Make as a task runner for build and test scripts
Teams standardizing common project commands across repositories

Tips

Check the variable syntax section for = vs := differences
Use pattern rules to avoid repeating similar build targets
Copy the .PHONY declaration to prevent conflicts with file names

Fun Facts

Make was created by Stuart Feldman at Bell Labs in 1976, making it one of the oldest build tools still in widespread use today.
Makefiles require actual tab characters for indentation — spaces cause silent failures. This design decision has frustrated developers for nearly 50 years.
Stuart Feldman received the ACM Software System Award in 2003 for Make, sharing the honor with tools like Unix, TCP/IP, and the World Wide Web.

FAQ

Does it cover GNU Make vs BSD Make?: Primarily GNU Make (what most developers use). BSD-specific incompatibilities are noted where GNU syntax breaks.
What about pattern rules?: Yes — `%.o: %.c` implicit rules are covered, along with .PHONY targets and automatic variables ($@, $<, $^).
Is it relevant for modern projects?: Very — Makefiles are a universal task runner. Even projects using npm scripts or justfiles often have a Makefile for devex consistency.
What about parallel builds?: Yes — `make -j N` for parallel, plus .NOTPARALLEL when targets have hidden dependencies.

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