(make.info.gz) Commands

 
 5 Writing the Commands in Rules
 *******************************
 
 The commands of a rule consist of one or more shell command lines to be
 executed, one at a time, in the order they appear.  Typically, the
 result of executing these commands is that the target of the rule is
 brought up to date.
 
    Users use many different shell programs, but commands in makefiles
 are always interpreted by `/bin/sh' unless the makefile specifies
 otherwise.   Command Execution Execution.

 
* Command Syntax              Command syntax features and pitfalls.
* Echoing                     How to control when commands are echoed.
* Execution                   How commands are executed.
* Parallel                    How commands can be executed in parallel.
* Errors                      What happens after a command execution error.
* Interrupts                  What happens when a command is interrupted.
* Recursion                   Invoking `make' from makefiles.
* Sequences                   Defining canned sequences of commands.
* Empty Commands              Defining useful, do-nothing commands.

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