I am trying to get my make basics right.
I have 2 questions about working of make
1) Implicit rules
I write a rule like this
a : a.o
When I execute make, the foll. 2 command execute
cc -c -o b.o b.c
cc b.o -o b
Thing which is perplexing is that I have not written a fule which has a.o as
target, yet make
compiles a.c and creates a.o (its a different story that this is what I
really wanted make to do)
Which implicit rule is making this happen ?
2) makedepend
I am trying to use makedepend to create dependancy rules automatically.
My make to do that is as follows
b : b.o
.PHONY : depend
depend :
@makedepend -f -b.c > dependancies.d
-include dependancies.d
Is there a file called dependancies.d created when as a result of executuion
of this make file ?
I did not find this file in my dir ? Am I doing some mistake ?
Thanks ..
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