29 lines
716 B
Makefile
29 lines
716 B
Makefile
# Used to generated .d file that deal with header dependencies
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CPPFLAGS = -MMD
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LDFLAGS += -m elf_i386
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CFLAGS += -m32 -Wall -Wextra -Werror -ffreestanding -fno-exceptions -fno-pie -fno-stack-protector -fno-tree-vectorize -nostdinc -fno-asynchronous-unwind-tables -g
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LIBGCC = $(shell $(CC) -print-libgcc-file-name $(CFLAGS))
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SUBDIRS := . kernel
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ARCH?=x86
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INCDIRS += $(foreach dir, $(SUBDIRS), -I$(dir))
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CPPFLAGS += $(INCDIRS)
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csrc=$(wildcard *.c)
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cobj=$(csrc:%.c=%.o)
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deps=$(csrc:%.c=%.d)
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PROG = user
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$(PROG) : $(cobj) linker.ld
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$(CC) -static -Wl,--warn-common $(CFLAGS) -nostdlib -o $@ -T linker.ld $(cobj) $(LIBGCC)
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clean:
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$(RM) $(PROG) $(cobj) $(deps)
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ifneq ($(MAKECMDGOALS),clean)
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-include $(deps)
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endif
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