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Old 07-28-2004, 05:12 PM   #1
MattG1981
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Registered: Oct 2003
Posts: 32

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Creating a Makefile with multiple header files


Here are my files that I have:

treeMain.c
tree.c
tree.h
queue.c
queue.h

Here is my Makefile:

Code:
all: Queue.o tree.o treeMain 

Queue.o: Queue.c
	gcc -c Queue.c
	
tree.o: tree.c
	gcc -c tree.c
	
treeMain: Queue.h Queue.o tree.h tree.o
	gcc -o treeMain Queue.o tree.o
	
splint:
	splint Queue.c tree.c treeMain.c
	
run:
	treeMain
	
clean:
	rm -f treeMain *.o
I am getting this error ....

gcc -o treeMain Queue.o tree.o
/usr/lib/gcc-lib/i386-redhat-linux/3.3.3/../../../crt1.o(.text+0x18): In function `_start':
: undefined reference to `main'
collect2: ld returned 1 exit status
make: *** [treeMain] Error 1

Can someone help me?
 
Old 07-28-2004, 05:26 PM   #2
itsme86
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Does one of either Queue.c or tree.c have a main() function in it?
 
Old 07-28-2004, 05:32 PM   #3
MattG1981
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treeMain.c has the main function in it
 
Old 07-28-2004, 05:47 PM   #4
itsme86
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You're don't have a build rule for treeMain.o that I see.

Maybe it should be:
Code:
treeMain: Queue.h Queue.o tree.h tree.o treeMain.c
	gcc -o treeMain Queue.o tree.o treeMain.c
 
Old 07-28-2004, 06:04 PM   #5
MattG1981
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that fixed it, thanks!
 
  


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