[WIP] GCC Building + libhackerultra (#17)

Co-authored-by: a <a>

lib/hackerlibultra/Makefile

@@ -0,0 +1,118 @@
+# One of:
+# libgultra_rom, libgultra_d, libgultra
+# libultra_rom, libultra_d, libultra
+TARGET ?= libgultra_rom
+VERSION ?= L
+VERBOSE ?= 0
+
+include util.mk
+
+ifeq ($(VERBOSE), 0)
+V=@
+else
+V=
+endif
+# detect hackerchain
+ifneq ($(call find-command, $(HACKERCHAIN)/mips64-elf-ld),)
+    CROSS := $(HACKERCHAIN)/mips64-elf-
+else
+    $(error Unable to detect a hackerchain toolchain installation.)
+endif
+
+BUILD_ROOT := build
+BUILD_DIR := $(BUILD_ROOT)/$(VERSION)/$(TARGET)
+BUILD_AR := $(BUILD_DIR)/$(TARGET).a
+
+WORKING_DIR := $(shell pwd)
+
+CPP := cpp -P
+AR := $(CROSS)ar
+
+VERSION_DEFINE := -DBUILD_VERSION=VERSION_$(VERSION) -DBUILD_VERSION_STRING=\"2.0$(VERSION)\"
+
+ifeq ($(findstring _d,$(TARGET)),_d)
+DEBUGFLAG := -D_DEBUG
+else
+DEBUGFLAG := -DNDEBUG
+endif
+
+AS := $(CROSS)gcc -x assembler-with-cpp
+CC := $(CROSS)gcc
+
+WARNINGS := -Wall -Wextra -Wno-format-security -Wno-unused-function -Wno-unused-parameter -Wno-unused-variable -Wno-builtin-declaration-mismatch
+WARNINGS += -Wno-int-conversion -Wno-incompatible-pointer-types -Wno-implicit-function-declaration # TODO: Try adjusting code to remove these
+CFLAGS := -G 0 -c -nostdinc -march=vr4300 -mfix4300 -mabi=32 -mno-abicalls -mdivide-breaks -fno-PIC -fno-common -ffreestanding -fbuiltin -fno-builtin-sinf -fno-builtin-cosf -funsigned-char $(WARNINGS)
+CFLAGS += -fno-strict-aliasing # TODO: Try adjusting code to remove this
+ASFLAGS := -w -nostdinc -c -G 0 -march=vr4300 -mabi=32 -mgp32 -mfp32 -DMIPSEB -D_LANGUAGE_ASSEMBLY -D_MIPS_SIM=1 -D_ULTRA64
+CPPFLAGS = -DMODERN_CC -D_MIPS_SZLONG=32 -D__USE_ISOC99 $(GBIDEFINE) $(VERSION_DEFINE) $(DEBUGFLAG)
+IINC = -I . -I $(WORKING_DIR)/include -I $(WORKING_DIR)/include/compiler/modern_gcc -I $(WORKING_DIR)/include/PR
+MIPS_VERSION := -mips3
+ASOPTFLAGS :=
+
+ifeq ($(findstring _d,$(TARGET)),_d)
+OPTFLAGS := -Og -ggdb3 -ffast-math -fno-unsafe-math-optimizations
+else
+OPTFLAGS := -Os -ggdb3 -ffast-math -fno-unsafe-math-optimizations
+endif
+
+ifeq ($(findstring _rom,$(TARGET)),_rom)
+CPPFLAGS += -D_FINALROM
+endif
+
+SRC_DIRS := $(shell find src -type d)
+C_FILES  := $(foreach dir,$(SRC_DIRS),$(wildcard $(dir)/*.c))
+S_FILES  := $(foreach dir,$(SRC_DIRS),$(wildcard $(dir)/*.s))
+
+# Versions J and below used the C matrix math implementations
+MGU_MATRIX_FILES := mtxcatf normalize scale translate
+ifneq ($(filter $(VERSION),D E F G H I J),)
+S_FILES := $(filter-out $(addprefix src/mgu/,$(MGU_MATRIX_FILES:=.s)),$(S_FILES))
+else
+C_FILES := $(filter-out $(addprefix src/gu/,$(MGU_MATRIX_FILES:=.c)),$(C_FILES))
+endif
+
+C_O_FILES := $(foreach f,$(C_FILES:.c=.o),$(BUILD_DIR)/$f)
+S_O_FILES := $(foreach f,$(S_FILES:.s=.o),$(BUILD_DIR)/$f)
+O_FILES   := $(S_O_FILES) $(C_O_FILES)
+
+AR_OBJECTS := $(shell cat base/$(VERSION)/$(TARGET).txt)
+
+$(shell mkdir -p src $(foreach dir,$(SRC_DIRS),$(BUILD_DIR)/$(dir)))
+
+.PHONY: all clean distclean setup
+all: $(BUILD_AR)
+
+$(BUILD_AR): $(O_FILES)
+	@printf "    [AR] $@\n"
+	$(V)$(AR) rcs $@ $^
+
+clean:
+	$(RM) -rf $(BUILD_DIR)
+
+distclean:
+	$(RM) -rf extracted/ $(BUILD_ROOT)
+
+GBIDEFINE := -DF3DEX_GBI
+
+$(BUILD_DIR)/src/gu/parse_gbi.o: GBIDEFINE := -DF3D_GBI
+$(BUILD_DIR)/src/gu/us2dex_emu.o: GBIDEFINE :=
+$(BUILD_DIR)/src/gu/us2dex2_emu.o: GBIDEFINE :=
+$(BUILD_DIR)/src/sp/sprite.o: GBIDEFINE := -DF3D_GBI
+$(BUILD_DIR)/src/sp/spriteex.o: GBIDEFINE :=
+$(BUILD_DIR)/src/sp/spriteex2.o: GBIDEFINE :=
+$(BUILD_DIR)/src/voice/%.o: OPTFLAGS += -DLANG_JAPANESE -I$(WORKING_DIR)/src -I$(WORKING_DIR)/src/voice
+$(BUILD_DIR)/src/voice/%.o: CC := $(WORKING_DIR)/tools/compile_sjis.py -D__CC=$(CC) -D__BUILD_DIR=$(BUILD_DIR)
+
+$(BUILD_DIR)/%.o: %.c
+	@printf "    [CC] $<\n"
+	$(V)$(CC) $(CFLAGS) $(MIPS_VERSION) $(CPPFLAGS) $(OPTFLAGS) $< $(IINC) -o $@
+	$(V)tools/set_o32abi_bit.py $@
+
+$(BUILD_DIR)/%.o: %.s
+	@printf "    [AS] $<\n"
+	$(V)$(AS) $(ASFLAGS) $(MIPS_VERSION) $(CPPFLAGS) $(ASOPTFLAGS) $< $(IINC) -o $@
+	$(V)tools/set_o32abi_bit.py $@
+
+# Disable built-in rules
+.SUFFIXES:
+print-% : ; $(info $* is a $(flavor $*) variable set to [$($*)]) @true