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106 lines
3.6 KiB
Makefile
106 lines
3.6 KiB
Makefile
NON_MATCHING ?= 0
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TARGET := libgultra_rom
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BASE_DIR := base_$(TARGET)
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BASE_AR := $(TARGET).a
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BUILD_DIR := build
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BUILD_AR := $(BUILD_DIR)/$(TARGET).a
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WORKING_DIR := $(shell pwd)
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CPP := cpp -P
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AR := ar
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AS := tools/kmc-gcc-wrapper/as
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CC := tools/kmc-gcc-wrapper/gcc
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AR_OLD := tools/ar
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CFLAGS := -D_LANGUAGE_C -D_MIPS_SZLONG=32 -D_FINALROM -w -nostdinc -c -G 0 -mgp32 -mfp32 -mips3
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OPTFLAGS := -O3
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SRC_DIRS := $(shell find src -type d)
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ASM_DIRS := $(shell find asm -type d -not -path "asm/non_matchings*")
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C_FILES := $(foreach dir,$(SRC_DIRS),$(wildcard $(dir)/*.c))
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S_FILES := $(foreach dir,$(ASM_DIRS),$(wildcard $(dir)/*.s))
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O_FILES := $(foreach f,$(S_FILES:.s=.o),$(BUILD_DIR)/$f) \
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$(foreach f,$(C_FILES:.c=.o),$(BUILD_DIR)/$f) \
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$(foreach f,$(wildcard $(BASE_DIR)/*),$(BUILD_DIR)/$f)
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# Because we patch the object file timestamps, we can't use them as the targets since they'll always be older than the C file
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# Therefore instead we use marker files that have actual timestamps as the dependencies for the archive
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MARKER_FILES := $(O_FILES:.o=.marker)
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ifneq ($(NON_MATCHING),1)
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COMPARE_OBJ = cmp $(BASE_DIR)/$(@F:.marker=.o) $(@:.marker=.o) && echo "$(@:.marker=.o): OK"
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COMPARE_AR = cmp $(BASE_AR) $@ && echo "$@: OK"
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else
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COMPARE_OBJ :=
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COMPARE_AR :=
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AR_OLD := $(AR)
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endif
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# Try to find a file corresponding to an archive file in any of src/ asm/ or the base directory, prioritizing src then asm then the original file
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AR_ORDER = $(foreach f,$(shell $(AR) t $(BASE_AR)),$(shell find $(BUILD_DIR)/src $(BUILD_DIR)/asm $(BUILD_DIR)/$(BASE_DIR) -name $f -type f -print -quit))
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$(shell mkdir -p asm $(BASE_DIR) src $(BUILD_DIR)/$(BASE_DIR) $(foreach dir,$(ASM_DIRS) $(SRC_DIRS),$(BUILD_DIR)/$(dir)))
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.PHONY: all clean distclean setup
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all: $(BUILD_AR)
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$(BUILD_AR): $(MARKER_FILES)
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$(AR_OLD) rcs $@ $(AR_ORDER)
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ifneq ($(NON_MATCHING),1)
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# patch archive creation time and individual files' ownership & permissions
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dd bs=1 skip=24 seek=24 count=12 conv=notrunc if=$(BASE_AR) of=$@ status=none
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python3 tools/patch_ar_meta.py $@
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@$(COMPARE_AR)
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endif
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clean:
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$(RM) -rf $(BUILD_DIR)
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distclean: clean
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$(MAKE) -C tools distclean
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$(RM) -rf $(BASE_DIR)
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setup:
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cd $(BASE_DIR) && $(AR) xo ../$(BASE_AR)
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chmod -R +rw $(BASE_DIR)
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# KMC gcc has a custom flag, N64ALIGN, which forces 8 byte alignment on arrays. This can be used to match, but
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# an explicit aligned(8) attribute can be used instead. We opted for the latter for better compatibilty with
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# other versions of GCC that do not have this flag.
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# export N64ALIGN := ON
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export VR4300MUL := ON
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$(BUILD_DIR)/$(BASE_DIR)/%.marker: $(BASE_DIR)/%.o
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cp $< $(@:.marker=.o)
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ifneq ($(NON_MATCHING),1)
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# @$(COMPARE_OBJ)
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# change file timestamps to match original
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@touch -r $(BASE_DIR)/$(@F:.marker=.o) $(@:.marker=.o)
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@$(COMPARE_OBJ)
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@touch $@
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endif
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$(BUILD_DIR)/src/os/assert.marker: OPTFLAGS := -O0
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$(BUILD_DIR)/src/os/ackramromread.marker: OPTFLAGS := -O0
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$(BUILD_DIR)/src/os/ackramromwrite.marker: OPTFLAGS := -O0
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$(BUILD_DIR)/src/os/exit.marker: OPTFLAGS := -O0
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$(BUILD_DIR)/src/os/seterrorhandler.marker: OPTFLAGS := -O0
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$(BUILD_DIR)/%.marker: %.c
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cd $(<D) && $(WORKING_DIR)/$(CC) $(CFLAGS) $(OPTFLAGS) -I $(WORKING_DIR)/include $(<F) -o $(WORKING_DIR)/$(@:.marker=.o)
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ifneq ($(NON_MATCHING),1)
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# patch corrupted bytes
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python3 tools/fix_objfile.py $(@:.marker=.o) $(BASE_DIR)/$(@F:.marker=.o)
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@$(COMPARE_OBJ)
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# change file timestamps to match original
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@touch -r $(BASE_DIR)/$(@F:.marker=.o) $(@:.marker=.o)
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# create or update the marker file
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@touch $@
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endif
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# Disable built-in rules
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.SUFFIXES:
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print-% : ; $(info $* is a $(flavor $*) variable set to [$($*)]) @true
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