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makefile

makefile. M.A Doman. What is the make utility?. make is a standard linux command to automatically determine when parts of a large project require recompilation Governed by a set of rules built in a makefile # indicates comment line target: prerequisite list

ryder-acosta
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makefile

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  1. makefile M.A Doman

  2. What is the make utility? • make is a standard linux command to automatically determine when parts of a large project require recompilation • Governed by a set of rules built in a makefile • # indicates comment line target: prerequisite list [TAB] construction command

  3. make clean target • Used to clean up the directory • In makefile: Clean: rmlist the object files you want removed. \ continue on next line.

  4. make: using variables and comments You can also use variables when writing makefiles. # Comment that will say I’m creating a variable for compiler CC = g++ # Comment for a set of option flags used for compilation CFLAGS = -c # Link final program final: main.odeck.obox.o $(CC) –o final main.odeck.obox.o #compile main main.o: main.cpp $(CC) $(CFLAGS) main.cpp

  5. make: using variables and comments You can also use variables when writing makefiles. # Comments that help me remember what I’m doing #clean directory # -f ignores nonexistent files without prompt # -r removes directories and contents recursively clean: rm–fr *.o final

  6. Makefile lab • Continue now with makefile lab

  7. UNIX Tutorial The following comes from the site: UNIX Tutorial for Beginners By the University of Surrey

  8. Files and Processes • Everything in UNIX is either a file or a process. • A process is an executing program identified by a unique PID (process identifier). • A file is a collection of data. They are created by users using text editors, running compilers etc.

  9. Redirection

  10. Wildcards

  11. Process

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