makefile-var-use-regex

makefile-var-use-regex is a variable defined in `make-mode.el'.
Its value is 
"[^$]\\$[({]\\([-a-zA-Z0-9_.]+\\|[@%


  •   This variable may be risky if used as a file-local variable.


Documentation:

Regex used to find $(macro) uses in a makefile.