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Preparing and Running Make
To prepare to use `make', you must write a file called the
"makefile" that describes the relationships among files in your program
and provides commands for updating each file. In a program, typically,
the executable file is updated from object files, which are in turn
made by compiling source files.
Once a suitable makefile exists, each time you change some source
files, this simple shell command:
suffices to perform all necessary recompilations. The `make' program
uses the makefile data base and the last-modification times of the
files to decide which of the files need to be updated. For each of
those files, it issues the commands recorded in the data base.
You can provide command line arguments to `make' to control which
files should be recompiled, or how. Note: How to Run `make'.
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