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EXEC := bringelle
CC := gcc -c -m32 -fno-pie -fno-builtin -fno-stack-protector
# Note that BOOT_OBJ do not match boot.S
# Indeed boot.o generated by boot.S should appear
# first in the kernel binary (thus it must be linked first, cf the $(EXEC) rule)
BOOT_OBJ := $(addsuffix .o,$(basename $(shell find ./boot -name "*.[c|S]" ! -name "boot.S")))
UTILS_OBJ := $(addsuffix .o,$(basename $(shell find ./utils -name "*.[c|S]")))
all: $(EXEC)
$(EXEC): boot/boot.o $(UTILS_OBJ) bringelle.o
echo "Boot obj:" $(BOOT_OBJ)
ld -Ttext=0x00100000 -melf_i386 -nostdlib --oformat=binary -o bringelle $^
%.o: %.S
as --32 -o $@ $^ -mx86-used-note=no
%.o: %.c
$(CC) -o $@ $<
objcopy --remove-section .note.gnu.property $@
clean:
rm -f $(EXEC)
find ./ -name "*.o" -delete
.PHONY: clean
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