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 [Discover] Makefile Tutorial http://mrbook.org/tutorials/make/ (tutorial tools programming c)
 [Discover] Debugging make http://www-128.ibm.com/developerworks/library/l-debugmake.html?ca=drs- (programming make linux tutorial)
 [Discover] Makefile Howto http://www.wlug.org.nz/MakefileHowto (makefile programming tutorial tutorials)
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 [Discover] Make - a tutorial http://www.eng.hawaii.edu/Tutor/Make/ (tutorial programming linux c)
 [Discover] GNU make - Table of Contents http://theory.uwinnipeg.ca/gnu/make/make_toc.html (make tutorial makefile programming)
 [Discover] Automating Program Compilation - Writing Makefiles http://users.actcom.co.il/~choo/lupg/tutorials/writing-makefiles/writing-makefiles.html (makefile programming unix linux)
 [Discover] avr-libc: A simple project http://www.nongnu.org/avr-libc/user-manual/group__demo__project.html (avr led programming embedded)
 [Discover] CS Students Linux User's Guide - Writing a Makefile http://www.tlug.org.za/old/csslug/writing_makefiles.html (makefile programming linux howto)
 [Discover] GNU Make Tutorial: Example V1 http://www.student.cs.uwaterloo.ca/~isg/res/unix/make/tutorial/ex_v1.html (makefile)