Files
hackerlibultra/Makefile
2021-12-25 14:39:40 -05:00

106 lines
3.6 KiB
Makefile

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