Chapter 1 CHAPTER 1 How to Write a Simple Makefile The mechanics of programming usually follow a fairly simple routine of editing source files, compiling the source into an executable form, and debugging the result. Although transforming the source into an executable is considered routine, if done incorrectly a programmer can waste immense amounts of time tracking down the problem. Most developers have experienced the frustration of modifying a function and running the new code only to find that their change did not fix the bug. Later they discover that they were never executing their modified function because of some procedural error such as failing to recompile the source, relink the executable, or rebuild a jar. Moreover, as the program’s complexity grows these mundane tasks can become increasingly error-prone as different versions of the program are developed, perhaps for other platforms or other versions of support libraries, etc. The make
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