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nasm -f elf -o /boot/stub.o /boot/stub.asm
make: *** [boot/stub.o] Segmentation Fault
make: *** Deleting file 'boot/stub.o'

What would cause a segmentation fault and what is it?
If you need to see code, then just ask! 

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# Basic Makefile for IBOX OS, Ver 0.01, Date: 04/22/03 1:14 PM

# Name of IBOX OS Kernel
KERNEL_NAME = ibox.img

# C compiler to use
CC = gcc                          # Changing this may cause problems
CFLAGS = -c -Wall -I./include/    # Arguments given to GCC

# Assembler to use
NASM = nasm                       # Assembler has to support Intel Syntax                
NASMFLAGS = -f elf                # Compile to elf

# Linker to use
LD = ld                           # We're using the GNU Linker
LDFLAGS = -T linker.d -o $(KERNEL_NAME)

# Add the rest of the C files to this list
OBJS = boot/stub.o kernel/kernel.o kernel/stdio.o /kernel/8259.o /kernel/timer.o /kernel/io.o /kernel/exceptions.o /boot/handlers.o

all: $(KERNEL_NAME)

install:

        # This will install the kernel to a Floppy Disk
        mount /floppy/
        cp $(KERNEL_NAME) /floppy/
        umount /floppy/

clean:

        rm $(OBJS)

# Compile all assembler files
%.o : %.asm
        $(NASM) $(NASMFLAGS) -o $@ $<

# Compile all C files
%.o : %.c
        $(CC) $(CFLAGS) -o  $@ $<

# Link them all together
$(KERNEL_NAME): $(OBJS)
        $(LD) $(LDFLAGS) $(OBJS)

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%REP 
...
%ENDREP ;; pype's internal assembler running on /dev/brain says "rep how many times ?"