Disable built-in rules for clearer debugging

bash

make -rR --warn-undefined-variables

Explanation

`-rR` disables built-in rules and variables in GNU make.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing Debugging commands

Show when each target is considered and updated.

Open In sheetbashsame section

Print broad internal diagnostics.

Open In sheetbashsame section

Emit a variable during parsing.

Open In sheetmakefilesame section

See where a value came from and how it expands.

Open In sheetmakefilesame section

Propagate parallelism automatically using `$(MAKE)`.

Use bash with strict flags for recipes.