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Functions for Transforming Text

Functions allow you to do text processing in the makefile to compute the files to operate on or the commands to use. You use a function in a function call, where you give the name of the function and some text (the arguments) on which the function operates. The result of the function’s processing is substituted into the makefile at the point of the call, just as a variable might be substituted.

See the following documentation for more discussion.

Function Call Syntax

Functions for String Substitution and Analysis

Functions for File Names

The foreach Function

The origin Function

The shell Function