38 lines
849 B
Makefile
38 lines
849 B
Makefile
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export LD := i586-elf-ld
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export CC := i586-elf-gcc
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export CXX := i586-elf-g++
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export NASM := nasm
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WD := $(shell pwd)
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export HOS_TOPLEVEL := $(WD)
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LDSCRIPT := link.ld
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KERNEL := hos
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export CPPFLAGS := -I$(HOS_TOPLEVEL) -I$(HOS_TOPLEVEL)/include
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export CFLAGS := -Wall -O2
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export CXXFLAGS := -Wall -O2 -fno-rtti -fno-exceptions
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export LDFLAGS := -T $(LDSCRIPT) -Map $(KERNEL).map
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SUBDIRS := boot mm lang
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SUBDIRS_clean := $(SUBDIRS:%=%.clean)
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.PHONY: all
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all: $(KERNEL).gz
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$(KERNEL).gz: $(KERNEL)
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gzip -c $< > $@
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$(KERNEL): $(SUBDIRS)
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$(LD) $(LDFLAGS) -o $@ $(foreach subdir,$(SUBDIRS),$(subdir)/$(subdir)_all.o)
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.PHONY: $(SUBDIRS)
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$(SUBDIRS):
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$(MAKE) -C $@ SUBDIR=$@
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.PHONY: clean
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clean: $(SUBDIRS_clean)
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-rm -f *~ $(KERNEL) $(KERNEL).gz
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%.clean:
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$(MAKE) -C $* clean clean=1
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