unmake: POSIX makefile linter

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SUMMARY

Recursive POSIX makefile linter

EXAMPLES

% cd fixtures/parse-valid

% unmake .
warning: ./Makefile: MAKEFILE_PRECEDENCE: lowercase Makefile to makefile for launch speed
warning: ./boilerplate-ats.mk:4: SIMPLIFY_AT: replace individual at (@) signs with .SILENT target declaration(s)
warning: ./missing-posix.mk:1: STRICT_POSIX: lead makefiles with the ".POSIX:" compliance marker, or else rename include files like *.include.mk
...

DOWNLOAD

For more platforms and installation methods, see INSTALL.

For details on parser rules, see SYNTAX.

For details on scanner rules, see WARNINGS.

For details on building from source, see DEVELOPMENT.

ABOUT

unmake detects subtle portability quirks in makefiles.

RESOURCES

Prior art, personal plugs, and tools for developing software.

BSD make, a popular make implementation with BSD extensions
cmake, a make-adjacent build system with its own portability features
GNU make, a popular make implementation with GNU extensions
Grunt, Node.js task runners
invoke, a task runner for Python projects
lake, a task runner for Lua projects
mcandre/linters, a wiki of common programming language linters and SAST tools
mage, a task runner for Go projects
ninja, a fast build system without conditionals
nmake, a make-adjacent build system for .NET projects
Rake, a task runner for Ruby projects
Shake, a task runner for Haskell projects
ShellCheck, a linter for POSIX sh family shell scripts