makefile

KSRCS = $(shell find -name '*.cxx' -o -name '*.s')
KOBJS = $(addsuffix .o,$(basename $(KSRCS)))
KERN = kernel.elf

CC = cc
CCX = g++
LD = ld

KASFLAGS = -m64
KCXXFLAGS = -std=c++11 -m64 -Os -W -Wall -Wextra -nostdlib -fno-exceptions -fno-rtti -fno-stack-protector
KLDFLAGS = -z max-page-size=0x1000 -Tlinker.ld

$(KERN): $(KOBJS)
	$(LD) $(KLDFLAGS) -o $@ $^

%.o:	%.cxx
	$(CCX) $(KCXXFLAGS) -c -o $@ $^

%.o:	%.c
	$(CC) $(KCCFLAGS) -c -o $@ $^

%.o:	%.s
	$(CC) $(KASFLAGS) -c -o $@ $^

clean:
	rm -f $(KOBJS)

distclean:
	rm -f $(KOBJS)
	rm -f $(KERN)

.PHONY: clean