Lec04Make - Lecture 4 Development Tools Outline The role of...

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ECE 471 4-Mak-1 Outline The role of development tools make files Revision Control Editors and IDEs Other tools Discussion and Summary Lecture 4: Development Tools
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ECE 471 4-Mak-2 Make Command Simplifies the management of multiple files Keeps track of which files have changed in a multi-file project Originally designed for C programmers Can be used for any programming language Can be used with any task in which files are modified
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ECE 471 4-Mak-3 Make Command Changed files can be: Compiled Put into a library Add to a revision control system Or just about anything you want make simply runs the user-specified command when certain conditions have been met.
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ECE 471 4-Mak-4 Program Compilation – 2 files Can require up to four or more steps for one or two files. A batch or script file can easily automate this process File.c File.h File.s19 File.s File.o a.out Compiler Assembler Linker BinHEX Libs
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ECE 471 4-Mak-5 Program Compilation – 3 files More complicated – up to 6 steps Note that both source files depend on “File.h” Modifying it requires that both “File1.c” and “File2.c” are recompiled. File1.c File.h File.s19 File1.s File1.o a.out Compiler Assembler Linker BinHEX Libs File2.c File2.s File2.o Compiler Assembler
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ECE 471 4-Mak-6 Dependencies As the number of files in a project increases The time to compile all of the files increases
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