146 lines
4.3 KiB
Makefile
146 lines
4.3 KiB
Makefile
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# Sample Makefile for Marsdev (SGDK version)
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# Default paths, can be overridden by setting MARSDEV before calling make
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MARSDEV ?= ${HOME}/mars
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MARSBIN = $(MARSDEV)/m68k-elf/bin
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TOOLSBIN = $(MARSDEV)/bin
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# GCC and Binutils
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CC = $(MARSBIN)/m68k-elf-gcc
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CXX = $(MARSBIN)/m68k-elf-g++
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AS = $(MARSBIN)/m68k-elf-as
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LD = $(MARSBIN)/m68k-elf-ld
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NM = $(MARSBIN)/m68k-elf-nm
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OBJC = $(MARSBIN)/m68k-elf-objcopy
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# SGDK Tools
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BINTOS = $(TOOLSBIN)/bintos
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PCMTORAW = $(TOOLSBIN)/pcmtoraw
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RESCOMP = $(TOOLSBIN)/rescomp
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WAVTORAW = $(TOOLSBIN)/wavtoraw
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XGMTOOL = $(TOOLSBIN)/xgmtool
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# Use rescomp jar for SGDK > 1.33
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ifneq ("$(wildcard $(TOOLSBIN)/rescomp.jar)","")
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RESCOMP = java -jar $(TOOLSBIN)/rescomp.jar
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WAVTORAW = @echo "wavtoraw no longer available!" ##
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PCMTORAW = @echo "pcmtoraw no longer available!" ##
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endif
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# Some files needed are in a versioned directory
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GCC_VER := $(shell $(CC) -dumpversion)
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# Need the LTO plugin so NM can dump our symbol table
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PLUGIN = $(MARSDEV)/m68k-elf/libexec/gcc/m68k-elf/$(GCC_VER)
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LTO_SO = liblto_plugin.so
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ifeq ($(OS),Windows_NT)
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LTO_SO = liblto_plugin-0.dll
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endif
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# Includes: Local + GCC + SGDK + Newlib
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INCS = -Isrc -Ires -Iinc
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INCS += -I$(MARSDEV)/m68k-elf/lib/gcc/m68k-elf/$(GCC_VER)/include
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INCS += -I$(MARSDEV)/m68k-elf/include
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INCS += -I$(MARSDEV)/m68k-elf/m68k-elf/include
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# Libraries: GCC + Newlib (SGDK libs are with release/debug targets)
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# If you plan on using Newlib, uncomment the line with -lnosys
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LIBS = -L$(MARSDEV)/m68k-elf/lib/gcc/m68k-elf/$(GCC_VER) -lgcc
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#LIBS += -L$(MARSDEV)/m68k-elf/m68k-elf/lib -lnosys
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# Force libgcc math routines to be available at link time
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LIBS += -u __modsi3 -u __divsi3 -u __mulsi3 -u __umodsi3 -u __udivsi3 -u __umulsi3
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# Any C or C++ standard should be fine here as long as GCC support it
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CCFLAGS = -m68000 -Wall -Wextra -std=c99 -ffreestanding -fcommon
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CXXFLAGS = -m68000 -Wall -Wextra -std=c++17 -ffreestanding
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# Extra options set by debug or release target
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OPTIONS =
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ASFLAGS = -m68000 --register-prefix-optional
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LDFLAGS = -T $(MARSDEV)/ldscripts/sgdk.ld -nostdlib -fcommon
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RESS = $(wildcard res/*.res)
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CS = $(wildcard src/*.c)
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CPPS = $(wildcard src/*.cpp)
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SS = $(wildcard src/*.s)
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OBJS = $(RESS:.res=.o)
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OBJS += $(CS:.c=.o)
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OBJS += $(CPPS:.cpp=.o)
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OBJS += $(SS:.s=.o)
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ASMO = $(RESS:.res=.o)
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ASMO += $(CS:%.c=asmout/%.s)
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.SECONDARY: out.elf
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.PHONY: all release asm debug
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all: release
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release: OPTIONS = -O3 -fno-web -fno-gcse -fno-unit-at-a-time -fomit-frame-pointer
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release: OPTIONS += -fshort-enums -flto -fuse-linker-plugin
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release: LIBS += -L$(MARSDEV)/m68k-elf/lib -lmd
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release: out.bin symbol.txt
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asm: OPTIONS = -O3 -fno-web -fno-gcse -fno-unit-at-a-time -fomit-frame-pointer
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asm: OPTIONS += -fshort-enums
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asm: LIBS += -L$(MARSDEV)/m68k-elf/lib -lmd
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asm: asm-dir $(ASMO)
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# Gens-KMod, BlastEm and UMDK support GDB tracing, enabled by this target
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debug: OPTIONS = -g -Og -DDEBUG -DKDEBUG -fno-web -fno-gcse -fno-unit-at-a-time -fshort-enums
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debug: LIBS += -L$(MARSDEV)/m68k-elf/lib -lmd-debug
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debug: out.bin symbol.txt
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# This generates a symbol table that is very helpful in debugging crashes,
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# even with an optimized release build!
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# Cross reference symbol.txt with the addresses displayed in the crash handler
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symbol.txt: out.bin
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$(NM) --plugin=$(PLUGIN)/$(LTO_SO) -n out.elf > symbol.txt
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boot/sega.o: boot/rom_head.bin
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@echo "AS $<"
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@$(AS) $(ASFLAGS) boot/sega.s -o $@
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boot/rom_head.bin: boot/rom_head.c
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@echo "CC $<"
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@$(CC) $(CFLAGS) $(INCS) -nostdlib -Wl,--oformat=binary $< -o $@
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%.bin: %.elf
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@echo "Stripping ELF header..."
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@$(OBJC) -O binary $< temp.bin
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@dd if=temp.bin of=$@ bs=8192 conv=sync
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@rm -f temp.bin
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%.elf: boot/sega.o $(OBJS)
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$(CC) -o $@ $(LDFLAGS) boot/sega.o $(OBJS) $(LIBS)
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%.o: %.c
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@echo "CC $<"
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@$(CC) $(CCFLAGS) $(OPTIONS) $(INCS) -c $< -o $@
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%.o: %.cpp
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@echo "CXX $<"
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@$(CXX) $(CXXFLAGS) $(OPTIONS) $(INCS) -c $< -o $@
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%.o: %.s
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@echo "AS $<"
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@$(AS) $(ASFLAGS) $< -o $@
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%.s: %.res
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$(RESCOMP) $< $@
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# For asm target
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asm-dir:
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mkdir -p asmout/src
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asmout/%.s: %.c
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$(CC) $(CCFLAGS) $(OPTIONS) $(INCS) -S $< -o $@
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.PHONY: clean
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clean:
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rm -f $(OBJS) out.bin out.elf symbol.txt
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rm -f boot/sega.o boot/rom_head.o boot/rom_head.bin
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rm -rf asmout
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