CSC231 Makefile for linking ASM and C Files

--D. Thiebaut 01:23, 27 October 2010 (UTC)
Revised --D. Thiebaut 10:10, 22 October 2012 (EDT)

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References

• http://www.gnu.org/software/make/manual/make.html
• http://mrbook.org/tutorials/make/

Makefile

CC = gcc
LD = gcc
NASM = nasm 

CFLAGS =  -c -m32
LFLAGS = -m32
NASMFLAGS = -f elf -F stabs

PROG = printBinary

OBJS = asm_io.o $(PROG).o driver.o


default: $(PROG)

$(PROG): $(OBJS) 
	$(LD) $(LFLAGS) $(OBJS)  -o $(PROG)

asm_io.o: asm_io.asm
	$(NASM) $(NASMFLAGS) asm_io.asm

$(PROG).o: $(PROG).asm asm_io.inc
	$(NASM) $(NASMFLAGS) $(PROG).asm

driver.o: driver.c 
	$(CC) $(CFLAGS) driver.c

clean:
	rm -rf *.o *~

real_clean:
	 rm -rf *.o $(PROG) *~

Usage

• Edit any of driver.c, asm_io.asm, asm_io.inc, or printBinary.asm, and to generate the executable, simply type:

   make

and the executable will be generated. Run it with

   ./printBinary

• If you want to force a "re-make", simply touch any of the .asm or .c files. See examples below:

[231a@grendel ~/handout]$ make
make: Nothing to be done for `default'.

[231a@grendel ~/handout]$ touch driver.c

[231a@grendel ~/handout]$ make 
gcc -c -m32 driver.c
gcc -m32 asm_io.o printBinary.o driver.o  -o printBinary

[231a@grendel ~/handout]$ make
make: Nothing to be done for `default'.
 
[231a@grendel ~/handout]$ touch asm_io.inc

[231a@grendel ~/handout]$ make
nasm  -f elf -F stabs printBinary.asm
gcc -m32 asm_io.o printBinary.o driver.o  -o printBinary

[231a@grendel ~/handout]$ touch asm_io.asm

[231a@grendel ~/handout]$ make
nasm  -f elf -F stabs asm_io.asm
gcc -m32 asm_io.o printBinary.o driver.o  -o printBinary

[231a@grendel ~/handout]$