158 lines
3.3 KiB
Makefile
158 lines
3.3 KiB
Makefile
DEBUG = -g -gdwarf-4
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AFLAGS += --fatal-warnings
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CSTD ?= -std=gnu23
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CXXSTD ?= -std=c++23
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CFLAGS += -falign-functions=4 -ffunction-sections -fdata-sections -fshort-enums -ffreestanding -nostdlib -fno-builtin
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CFLAGS += -Wall -Werror -Wfatal-errors
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CFLAGS += -Wno-array-bounds
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#CFLAGS += -Wno-error=narrowing -Wno-error=unused-variable -Wno-error=array-bounds=
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CFLAGS += -Wno-error=maybe-uninitialized
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CFLAGS += -Wno-error=unused-but-set-variable
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CFLAGS += -Wno-error=unused-variable
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CFLAGS += -Wno-error=unused-function
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CFLAGS += -D__dreamcast__
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CXXFLAGS += -fno-exceptions -fno-non-call-exceptions -fno-rtti -fno-threadsafe-statics
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# --print-gc-sections
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LDFLAGS += --gc-sections --no-warn-rwx-segment --print-memory-usage --entry=_start --orphan-handling=error
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DEPFLAGS = -MMD -MP
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CC = $(TARGET)gcc
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CXX = $(TARGET)g++
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AS = $(TARGET)as
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LD = $(TARGET)ld
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OBJCOPY = $(TARGET)objcopy
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OBJDUMP = $(TARGET)objdump
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LIBGCC = $(shell $(CC) -print-file-name=libgcc.a)
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define BUILD_BINARY_O
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$(OBJCOPY) \
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-I binary $(OBJARCH) \
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--rename-section .data=.data.$(basename $@) \
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$< $@
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endef
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makefile_path := $(dir $(abspath $(firstword $(MAKEFILE_LIST))))
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makefile_relative = $(shell realpath --relative-to $(makefile_path) $(1))
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as_obj_binary = _binary_$(subst -,_,$(subst .,_,$(subst /,_,$(subst .h,,$(call makefile_relative,$(1))))))
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define BUILD_BINARY_H
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@echo gen $(call makefile_relative,$@)
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@echo '#pragma once' > $@
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@echo '' >> $@
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@echo '#include <stdint.h>' >> $@
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@echo '' >> $@
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@echo '#ifdef __cplusplus' >> $@
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@echo 'extern "C" {' >> $@
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@echo '#endif' >> $@
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@echo '' >> $@
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@echo 'extern uint32_t $(call as_obj_binary,$@)_start __asm("$(call as_obj_binary,$@)_start");' >> $@
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@echo 'extern uint32_t $(call as_obj_binary,$@)_end __asm("$(call as_obj_binary,$@)_end");' >> $@
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@echo 'extern uint32_t $(call as_obj_binary,$@)_size __asm("$(call as_obj_binary,$@)_size");' >> $@
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@echo '' >> $@
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@echo '#ifdef __cplusplus' >> $@
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@echo '}' >> $@
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@echo '#endif' >> $@
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endef
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%.txt.o: %.txt
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$(BUILD_BINARY_O)
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%.txt.h: %.txt
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$(BUILD_BINARY_H)
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%.bin.o: %.bin
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$(BUILD_BINARY_O)
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%.bin.h: %.bin
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$(BUILD_BINARY_H)
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%.pcm.o: %.pcm
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$(BUILD_BINARY_O)
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%.pcm.h: %.pcm
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$(BUILD_BINARY_H)
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%.adpcm.o: %.adpcm
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$(BUILD_BINARY_O)
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%.adpcm.h: %.adpcm
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$(BUILD_BINARY_H)
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%.data.o: %.data
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$(BUILD_BINARY_O)
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%.data.h: %.data
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$(BUILD_BINARY_H)
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%.data.pal.o: %.data.pal
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$(BUILD_BINARY_O)
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%.data.pal.h: %.data.pal
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$(BUILD_BINARY_H)
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%.alpha.h: %.alpha
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$(BUILD_BINARY_H)
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%.alpha.o: %.alpha
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$(BUILD_BINARY_O)
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%.alpha.pal.h: %.alpha.pal
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$(BUILD_BINARY_H)
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%.alpha.pal.o: %.alpha.pal
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$(BUILD_BINARY_O)
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%.vq.h: %.vq
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$(BUILD_BINARY_H)
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%.vq.o: %.vq
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$(BUILD_BINARY_O)
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%.mod.h: %.mod
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$(BUILD_BINARY_H)
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%.mod.o: %.mod
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$(BUILD_BINARY_O)
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%.bsp.h: %.bsp
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$(BUILD_BINARY_H)
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%.bsp.o: %.bsp
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$(BUILD_BINARY_O)
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%.glm.h: %.glm
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$(BUILD_BINARY_H)
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%.glm.o: %.glm
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$(BUILD_BINARY_O)
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%.xm.h: %.xm
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$(BUILD_BINARY_H)
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%.xm.o: %.xm
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$(BUILD_BINARY_O)
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%.o: %.s
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$(AS) $(AARCH) $(AFLAGS) $(DEBUG) $< -o $@
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%.o: %.c
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$(CC) $(CARCH) $(CFLAGS) $(CSTD) $(OPT) $(DEBUG) $(DEPFLAGS) -MF ${<}.d -c $< -o $@
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%.o: %.cpp
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$(CXX) $(CARCH) $(CFLAGS) $(CXXSTD) $(CXXFLAGS) $(OPT) $(DEBUG) $(DEPFLAGS) -MF ${<}.d -c $< -o $@
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%.elf:
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$(LD) $(LDFLAGS) -L $(LIB) -T $(LDSCRIPT) $^ -o $@
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%.bin: %.elf
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$(OBJCOPY) -O binary $< $@
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du -b $@
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-include $(shell find -type f -name '*.d')
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