· Most versions of Make will assume they must therefore recompile all the source files that use the header file; but GNU Make gives you a way to avoid the recompilation, in the case … · GNU make This file documents the GNU make utility, which determines automatically which pieces of a large program need to be recompiled, and issues the commands … · If you say ‘make foo’, make will find GNUmakefile, read it, and see that to make foo, it needs to run the recipe ‘frobnicate > foo’. If you say ‘make bar’, make will find no way to make … What you do is use a special feature of make, the automatic variables. These variables have values computed afresh for each rule that is executed, based on the target and prerequisites of the rule. Most often, the makefile tells make how to compile and link a program. In this chapter, we will discuss a simple makefile that describes how to compile and link a text editor which consists of … This appendix summarizes the directives, text manipulation functions, and special variables which GNU make understands. See Special Built-in Target Names, Catalogue of Built-In Rules, and … As a special feature, using the variable MAKE in the recipe of a rule alters the effects of the ‘ -t ’ (‘ --touch ’), ‘ -n ’ (‘ --just-print ’), or ‘ -q ’ (‘ --question ’) option. Using the MAKE variable has the … make reads the makefile in the current directory and begins by processing the first rule. In the example, this rule is for relinking edit; but before make can fully process this rule, it must process … Every environment variable that make sees when it starts up is transformed into a make variable with the same name and value. But an explicit assignment in the makefile, or with a command …