86 lines
2.6 KiB
Makefile
86 lines
2.6 KiB
Makefile
include $(CROSS_FILE)
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BUILDDIR ?=
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override SPACE := $(subst ,, )
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MKESCAPE = $(subst $(SPACE),\ ,$(1))
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SHESCAPE = $(subst ','\'',$(1))
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OBJESCAPE = $(subst .a ,.a' ',$(subst .o ,.o' ',$(call SHESCAPE,$(1))))
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ifeq ($(call MKESCAPE,$(BUILDDIR)), )
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$(error BUILDDIR not specified)
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endif
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override CROSS_CFLAGS += \
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$(WERROR) \
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-Os \
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-m32 \
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-march=i686 \
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-mtune=generic \
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-mabi=sysv \
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-std=gnu11 \
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-ffreestanding \
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-fno-stack-protector \
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-fno-stack-check \
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-fno-strict-aliasing \
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-fno-lto \
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-fno-pie \
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-fno-pic \
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-fomit-frame-pointer \
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-nostdinc \
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-Wno-address-of-packed-member \
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-Wshadow \
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-Wvla \
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-mno-80387 \
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-mno-mmx \
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-mno-sse \
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-mno-sse2 \
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-MMD \
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-I../freestanding-headers \
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-I. \
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-I'$(call SHESCAPE,$(BUILDDIR))/tinf'
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override CROSS_LDFLAGS += \
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-melf_i386 \
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-nostdlib \
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-z max-page-size=0x1000 \
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-static \
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-Tlinker.ld
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override C_FILES := $(shell find ./ -type f -name '*.c')
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override ASM_FILES := $(shell find ./ -type f -name '*.asm')
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override OBJ := $(addprefix $(call MKESCAPE,$(BUILDDIR))/, $(ASM_FILES:.asm=.o) $(C_FILES:.c=.o))
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override HEADER_DEPS := $(addprefix $(call MKESCAPE,$(BUILDDIR))/, $(C_FILES:.c=.d))
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.PHONY: all
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all: $(call MKESCAPE,$(BUILDDIR))/decompressor.bin
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$(call MKESCAPE,$(BUILDDIR))/decompressor.bin: $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o
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$(CROSS_LD) '$(call OBJESCAPE,$^)' $(CROSS_LDFLAGS) -o '$(call SHESCAPE,$(BUILDDIR))/decompressor.elf'
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$(CROSS_OBJCOPY) -O binary '$(call SHESCAPE,$(BUILDDIR))/decompressor.elf' '$(call SHESCAPE,$@)'
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$(call MKESCAPE,$(BUILDDIR))/tinf-copied: ../tinf/*
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rm -rf '$(call SHESCAPE,$(BUILDDIR))/tinf'
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$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
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cp -r ../tinf '$(call SHESCAPE,$(BUILDDIR))/'
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touch '$(call SHESCAPE,$(BUILDDIR))/tinf-copied'
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$(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o: $(call MKESCAPE,$(BUILDDIR))/tinf-copied
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$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
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$(CROSS_CC) $(CROSS_CFLAGS) -c '$(call SHESCAPE,$(@:.o=.c))' -o '$(call SHESCAPE,$@)'
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$(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o: $(call MKESCAPE,$(BUILDDIR))/tinf-copied
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$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
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$(CROSS_CC) $(CROSS_CFLAGS) -c '$(call SHESCAPE,$(@:.o=.c))' -o '$(call SHESCAPE,$@)'
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-include $(HEADER_DEPS)
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$(call MKESCAPE,$(BUILDDIR))/%.o: %.c $(call MKESCAPE,$(BUILDDIR))/tinf-copied
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$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
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$(CROSS_CC) $(CROSS_CFLAGS) -c '$(call SHESCAPE,$<)' -o '$(call SHESCAPE,$@)'
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$(call MKESCAPE,$(BUILDDIR))/%.o: %.asm
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$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
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nasm '$(call SHESCAPE,$<)' -f elf32 -o '$(call SHESCAPE,$@)'
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