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Each compilation produces an object file corresponding to the source file.Finally, if any source file has been recompiled, all the object files, whether newly made or saved from previous compilations, must be linked together to produce the new executable editor. A recipe may have more than one command, either on the same line or each on its own line.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: program uses the makefile data base and the last-modification times of the files to decide which of the files need to be updated.In each chapter, the first few sections contain introductory or general information and the later sections contain specialized or technical information.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, with the Front-Cover Texts being “A GNU Manual,” and with the Back-Cover Texts as in (a) below.Either send electronic mail to: 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 eight C source files and three header files.Please don’t paraphrase these messages: it’s best to cut and paste them into your report.When generating this small makefile, be sure to not use any non-free or unusual tools in your recipes: you can almost always emulate what such a tool would do with simple shell commands.
A copy of the license is included in the section entitled “GNU Free Documentation License.” (a) The FSF’s Back-Cover Text is: “You have the freedom to copy and modify this GNU manual.