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A simple makefile tutorial. Go to the install folder.

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Makefiles are a simple way to organize code compilation.

How to run makefile. The make utility requires a file makefile or makefile which defines set of tasks to be executed. Usually makefiles are written so that if you run make with no arguments it does just that. This tutorial does not even scratch the surface of what is possible using make but is intended as a starters guide so that you can quickly and easily create your own makefiles for small to medium sized projects.

Here is my quick and temporary way to run a makefile. The simplest use is to recompile every file that is out of date. A makefile that says how to recompile a program can be used in more than one way.

Download make from sourceforge. The linux make utility works by reading and interpreting a makefile. 9 how to run make.

Typically you run make by simply typing the following command at the shell prompt. You can also specify a target or make use of multiple processors. If make finds one of these makefiles it builds the.

This only has to be done once except when new modules are added to the program the makefile must be updated to add new module dependencies to existing rules and to add new rules to build. Create a makefile listing the rules for building the executable the file should be named makefile or makefile. You may have used make to compile a program from source code.

Compile a specific target make target name clean up things rule needs to be in the makefile make clean use multiple processors in this case 3 make j 3. All you need to do is run the program from the command line without any arguments. If you want to run or update a task when certain files are updated the make utility can come in handy.

Make when run this way gnu make looks for a file named gnumakefile makefile or makefile in that order. But you might want to update only some of the files.