Makefile

# X68000 Modern C++ Sample Project
# This Makefile is intended for use with msys/cygwin Unix-compatible environments.
# Requires xdev68k: https://github.com/yosshin4004/xdev68k

# Check that required environment variables are defined
ifndef XDEV68K_DIR
	$(error ERROR : XDEV68K_DIR is not defined. Please set it to your xdev68k installation path.)
endif

# Clear default suffixes
.SUFFIXES:

# Target CPU (68000, 68010, 68020, 68030, 68040)
CPU = 68000

# Tool shortcuts
ATOMIC = perl ${XDEV68K_DIR}/util/atomic.pl
CXX = ${XDEV68K_DIR}/m68k-toolchain/bin/m68k-elf-g++
CC = ${XDEV68K_DIR}/m68k-toolchain/bin/m68k-elf-gcc
GAS2HAS = perl ${XDEV68K_DIR}/util/x68k_gas2has.pl -cpu $(CPU) -inc doscall.inc -inc iocscall.inc
RUN68 = $(ATOMIC) ${XDEV68K_DIR}/run68/run68
HAS = $(RUN68) ${XDEV68K_DIR}/x68k_bin/g2as.x
HLK = $(RUN68) ${XDEV68K_DIR}/x68k_bin/g2lk.x

# Output executable
EXECUTABLE = MAIN.X
TARGET_FILES = $(EXECUTABLE)

# Include paths
INCLUDE_FLAGS = -I${XDEV68K_DIR}/include/xc -I${XDEV68K_DIR}/include/xdev68k -I./src
# Include paths without XC (for pure C++ STL files)
INCLUDE_FLAGS_NO_XC = -I./src

# Compiler flags
COMMON_FLAGS = -m$(CPU) -Os $(INCLUDE_FLAGS)
CFLAGS = $(COMMON_FLAGS) -Wno-builtin-declaration-mismatch -fcall-used-d2 -fcall-used-a2 \
         -finput-charset=utf-8 -fexec-charset=cp932 -fverbose-asm
CXXFLAGS = $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++20

# C++ flags without XC headers (for STL-heavy files)
COMMON_FLAGS_NO_XC = -m$(CPU) -Os $(INCLUDE_FLAGS_NO_XC)
CXXFLAGS_NO_XC = $(COMMON_FLAGS_NO_XC) -Wno-builtin-declaration-mismatch -fcall-used-d2 -fcall-used-a2 \
                 -finput-charset=utf-8 -fexec-charset=cp932 -fverbose-asm -fno-rtti -fno-exceptions -std=gnu++20

# Source files
C_SRCS =
CPP_SRCS = src/main.cpp src/test_constexpr.cpp src/test_vector.cpp src/test_cpp20.cpp
# C++ sources that use pure STL (no XC headers)
CPP_SRCS_NO_XC = src/test_stl.cpp
ASM_SRCS =

# Libraries to link
LIBS = \
	${XDEV68K_DIR}/lib/xc/BASLIB.L \
	${XDEV68K_DIR}/lib/xc/CLIB.L \
	${XDEV68K_DIR}/lib/xc/DOSLIB.L \
	${XDEV68K_DIR}/lib/xc/IOCSLIB.L \
	${XDEV68K_DIR}/lib/xc/FLOATFNC.L \
	${XDEV68K_DIR}/lib/m68k_elf/m$(CPU)/libgcc.a \
	${XDEV68K_DIR}/lib/m68k_elf/m$(CPU)/libstdc++.a

# Intermediate file directory
INTERMEDIATE_DIR = _build/m$(CPU)

# Object files
OBJS = $(addprefix $(INTERMEDIATE_DIR)/,$(patsubst %.c,%.o,$(C_SRCS))) \
       $(addprefix $(INTERMEDIATE_DIR)/,$(patsubst %.cpp,%.o,$(CPP_SRCS))) \
       $(addprefix $(INTERMEDIATE_DIR)/,$(patsubst %.cpp,%.o,$(CPP_SRCS_NO_XC))) \
       $(addprefix $(INTERMEDIATE_DIR)/,$(patsubst %.s,%.o,$(ASM_SRCS)))

# Dependency files
DEPS = $(addprefix $(INTERMEDIATE_DIR)/,$(patsubst %.c,%.d,$(C_SRCS))) \
       $(addprefix $(INTERMEDIATE_DIR)/,$(patsubst %.cpp,%.d,$(CPP_SRCS))) \
       $(addprefix $(INTERMEDIATE_DIR)/,$(patsubst %.cpp,%.d,$(CPP_SRCS_NO_XC)))

# Link list file for HLK
HLK_LINK_LIST = $(INTERMEDIATE_DIR)/_lk_list.tmp

# Default target
all : $(TARGET_FILES)

# Include dependency files
-include $(DEPS)

# Clean intermediate files
clean :
	rm -f $(TARGET_FILES)
	rm -rf $(INTERMEDIATE_DIR)

# Build executable
$(EXECUTABLE) : $(OBJS) $(LIBS)
	mkdir -p $(INTERMEDIATE_DIR)
	rm -f $(HLK_LINK_LIST)
	@for FILENAME in $(OBJS); do \
		echo $$FILENAME >> $(HLK_LINK_LIST); \
	done
	@for FILENAME in $(LIBS); do \
		cp $$FILENAME $(INTERMEDIATE_DIR)/`basename $$FILENAME`; \
		echo $(INTERMEDIATE_DIR)/`basename $$FILENAME` >> $(HLK_LINK_LIST); \
	done
	$(HLK) -i $(HLK_LINK_LIST) -o $(EXECUTABLE)

# Compile *.c sources
$(INTERMEDIATE_DIR)/%.o : %.c Makefile
	mkdir -p $(dir $(INTERMEDIATE_DIR)/$*.o)
	$(CC) -S $(CFLAGS) -o $(INTERMEDIATE_DIR)/$*.m68k-gas.s -MT $(INTERMEDIATE_DIR)/$*.o -MD -MP -MF $(INTERMEDIATE_DIR)/$*.d $<
	$(GAS2HAS) -i $(INTERMEDIATE_DIR)/$*.m68k-gas.s -o $(INTERMEDIATE_DIR)/$*.s
	rm -f $(INTERMEDIATE_DIR)/$*.m68k-gas.s
	$(HAS) -e -u -w0 $(INCLUDE_FLAGS) $(INTERMEDIATE_DIR)/$*.s -o $(INTERMEDIATE_DIR)/$*.o

# Compile *.cpp sources
$(INTERMEDIATE_DIR)/%.o : %.cpp Makefile
	mkdir -p $(dir $(INTERMEDIATE_DIR)/$*.o)
	$(CXX) -S $(CXXFLAGS) -o $(INTERMEDIATE_DIR)/$*.m68k-gas.s -MT $(INTERMEDIATE_DIR)/$*.o -MD -MP -MF $(INTERMEDIATE_DIR)/$*.d $<
	$(GAS2HAS) -i $(INTERMEDIATE_DIR)/$*.m68k-gas.s -o $(INTERMEDIATE_DIR)/$*.s
	rm -f $(INTERMEDIATE_DIR)/$*.m68k-gas.s
	$(HAS) -e -u -w0 $(INCLUDE_FLAGS) $(INTERMEDIATE_DIR)/$*.s -o $(INTERMEDIATE_DIR)/$*.o

# Compile test_stl.cpp without XC headers (specific rule takes precedence)
# Note: C++ compilation uses NO_XC flags to avoid header conflicts,
#       but HAS assembler still needs xdev68k paths for .inc files
$(INTERMEDIATE_DIR)/src/test_stl.o : src/test_stl.cpp Makefile
	mkdir -p $(dir $(INTERMEDIATE_DIR)/src/test_stl.o)
	$(CXX) -S $(CXXFLAGS_NO_XC) -o $(INTERMEDIATE_DIR)/src/test_stl.m68k-gas.s -MT $(INTERMEDIATE_DIR)/src/test_stl.o -MD -MP -MF $(INTERMEDIATE_DIR)/src/test_stl.d $<
	$(GAS2HAS) -i $(INTERMEDIATE_DIR)/src/test_stl.m68k-gas.s -o $(INTERMEDIATE_DIR)/src/test_stl.s
	rm -f $(INTERMEDIATE_DIR)/src/test_stl.m68k-gas.s
	$(HAS) -e -u -w0 $(INCLUDE_FLAGS) $(INTERMEDIATE_DIR)/src/test_stl.s -o $(INTERMEDIATE_DIR)/src/test_stl.o

# Assemble *.s sources
$(INTERMEDIATE_DIR)/%.o : %.s Makefile
	mkdir -p $(dir $(INTERMEDIATE_DIR)/$*.o)
	$(HAS) -e -u -w0 $(INCLUDE_FLAGS) $*.s -o $(INTERMEDIATE_DIR)/$*.o

.PHONY: all clean