how to create makefile in linux

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Source files are in a directory called ‘src’.
Include files are in a directory called ‘include’
These two directories are under a directory called ‘work’

There are 1 or 2 source files and 2-3 include files..How can we implement this???
I know how to implement this in a single directory,but any one let me help when include files and source files are in different directories...

Posted 24-Jan-12 0:26am

renj00790

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renj00790 24-Jan-12 22:53pm

CC=gcc
CDEBUG=-g
OBJ=hello.o hello1.o main.o

my_project : $(OBJ)
$(CC) $(OBJ) -o my_project
main.o : function.h function1.h
$(CC) -c main.c
hello.o : function.h hello.c
$(CC) -c hello.c
hello1.o : function1.h hello1.c
$(CC) -c hello1.c
.PHONY clean:
clean :
rm -rf *.o

My Makefile look like this...can u implement this by using different dir

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CPallini · Answer 1 · 2012-01-24T00:46:00

I explicitely create variables for sources and include files, e.g.

SRCDIR = src
INCDIR = include
BINDIR = bin

and the use it to build sources, e.g.

...

$(BINDIR)/foo:    $(SRCDIR)/foo.c $(INCDIR)/foo.h $(INCDIR)/common.h
                  $(CC) $(CPPFLAGS) $(LDFLAGS) -o $@ $<

I believe there are many more concise ways to do the same.