makefile-bsdmake-dependency-regex

makefile-bsdmake-dependency-regex is a variable defined in `make-mode.el'.
Its value is

"^\\(\\(?:\\$\\(?:[({]\\(?:\\$\\(?:[({]\\(?:\\$\\(?:[^({]\\|.[^\n$#})]+?[})]\\)\\|[^\n$#)}]\\)+?[})]\\|[^({]\\)\\|[^\n$#)}]\\)+?[})]\\|[^({]\\)\\|[^\n$#:=]\\)+?\\)\\([:!]\\)\\(?:[ 	]*$\\|[^=\n]\\(?:[^#\n]*?;[ 	]*\\(.+\\)\\)?\\)"

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

Documentation:
Regex used to find dependency lines in a BSD makefile.