84 lines
2.4 KiB
Makefile
84 lines
2.4 KiB
Makefile
.SUFFIXES:
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override SPACE := $(subst ,, )
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override MKESCAPE = $(subst $(SPACE),\ ,$(1))
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override SHESCAPE = $(subst ','\'',$(1))
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override OBJESCAPE = $(subst .a ,.a' ',$(subst .o ,.o' ',$(call SHESCAPE,$(1))))
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override CC_FOR_TARGET_IS_CLANG := $(shell ! $(CC_FOR_TARGET) --version 2>/dev/null | $(GREP) -q '^Target: '; echo $$?)
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ifeq ($(CC_FOR_TARGET_IS_CLANG),1)
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override CC_FOR_TARGET += \
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-target i686-unknown-none-elf
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endif
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override CFLAGS_FOR_TARGET += \
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-Os \
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-Wall \
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-Wextra \
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-Wshadow \
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-Wvla \
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$(WERROR_FLAG) \
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-std=gnu11 \
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-nostdinc \
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-ffreestanding \
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-ffunction-sections \
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-fdata-sections \
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-fno-stack-protector \
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-fno-stack-check \
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-fomit-frame-pointer \
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-fno-strict-aliasing \
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-fno-lto \
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-fno-PIC \
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-m32 \
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-march=i686 \
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-mabi=sysv \
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-mno-80387 \
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-mno-mmx
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override CPPFLAGS_FOR_TARGET := \
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-I . \
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-I tinf \
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-isystem ../freestnd-c-hdrs/include \
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$(CPPFLAGS_FOR_TARGET) \
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-MMD \
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-MP
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override LDFLAGS_FOR_TARGET += \
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-m elf_i386 \
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-nostdlib \
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-z max-page-size=0x1000 \
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--gc-sections \
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-static \
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-T linker.ld
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override NASMFLAGS_FOR_TARGET := \
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-f elf32 \
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$(patsubst -g,-g -F dwarf,$(NASMFLAGS_FOR_TARGET)) \
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-Wall \
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-w-unknown-warning \
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-w-reloc \
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$(WERROR_FLAG)
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override C_FILES := $(shell find . -type f -name '*.c' | LC_ALL=C sort)
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override ASM_FILES := $(shell find . -type f -name '*.asm' | LC_ALL=C sort)
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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)
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$(LD_FOR_TARGET) $(LDFLAGS_FOR_TARGET) '$(call OBJESCAPE,$^)' -o '$(call SHESCAPE,$(BUILDDIR))/decompressor.elf'
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$(OBJCOPY_FOR_TARGET) -O binary '$(call SHESCAPE,$(BUILDDIR))/decompressor.elf' '$(call SHESCAPE,$@)'
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-include $(HEADER_DEPS)
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$(call MKESCAPE,$(BUILDDIR))/%.o: %.c
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$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
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$(CC_FOR_TARGET) $(CFLAGS_FOR_TARGET) $(CPPFLAGS_FOR_TARGET) -c '$(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 '$(call SHESCAPE,$<)' $(NASMFLAGS_FOR_TARGET) -o '$(call SHESCAPE,$@)'
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