dswifi/Makefile.arm9 at master · blocksds/dswifi · GitHub

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# SPDX-License-Identifier: CC0-1.0
#
# SPDX-FileContributor: Antonio Niño Díaz, 2023

BLOCKSDS	?= /opt/blocksds/core
BLOCKSDSEXT	?= /opt/blocksds/external

WONDERFUL_TOOLCHAIN	?= /opt/wonderful
ARM_NONE_EABI_PATH	?= $(WONDERFUL_TOOLCHAIN)/toolchain/gcc-arm-none-eabi/bin/

# Source code paths
# -----------------

SOURCEDIRS	:= source/arm9 source/common
INCLUDEDIRS	:= include source

# Defines passed to all files
# ---------------------------

ifeq ($(DEBUG),1)
DEFINES		+= -DDSWIFI_LOGS
endif

# lwIP requirements
# -----------------

ifeq ($(ENABLE_LWIP),1)
DEFINES		+= -DDSWIFI_ENABLE_LWIP
SOURCEDIRS	+= lwip/source
INCLUDEDIRS	+= lwip/include source/arm9/lwip/include
endif

# Libraries
# ---------

LIBDIRS		:= $(BLOCKSDS)/libs/libnds

# Build artifacts
# ---------------

ifeq ($(ENABLE_LWIP),1)
    ifeq ($(DEBUG),1)
        NAME		:= libdswifi9d
        BUILDDIR	:= build/debug/arm9
    else
        NAME		:= libdswifi9
        BUILDDIR	:= build/release/arm9
    endif
else
    ifeq ($(DEBUG),1)
        NAME		:= libdswifi9d_noip
        BUILDDIR	:= build/debug_noip/arm9
    else
        NAME		:= libdswifi9_noip
        BUILDDIR	:= build/release_noip/arm9
    endif
endif

ARCHIVE		:= lib/$(NAME).a

# Tools
# -----

PREFIX		:= $(ARM_NONE_EABI_PATH)arm-none-eabi-
CC		:= $(PREFIX)gcc
CXX		:= $(PREFIX)g++
AR		:= $(PREFIX)ar
MKDIR		:= mkdir
RM		:= rm -rf

# Verbose flag
# ------------

ifeq ($(VERBOSE),1)
V		:=
else
V		:= @
endif

# Source files
# ------------

SOURCES_S	:= $(shell find -L $(SOURCEDIRS) -name "*.s")
SOURCES_C	:= $(shell find -L $(SOURCEDIRS) -name "*.c")
SOURCES_CPP	:= $(shell find -L $(SOURCEDIRS) -name "*.cpp")

# Compiler and linker flags
# -------------------------

DEFINES		+= -D__NDS__ -DARM9

ARCH		:= -mcpu=arm946e-s+nofp

WARNFLAGS	:= -Wall -Wextra -Wstrict-prototypes -Wshadow

INCLUDEFLAGS	:= $(foreach path,$(INCLUDEDIRS),-I$(path)) \
		   $(foreach path,$(LIBDIRS),-I$(path)/include)

ASFLAGS		+= -g -x assembler-with-cpp $(DEFINES) $(ARCH) \
		   -mthumb -mthumb-interwork $(INCLUDEFLAGS) \
		   -ffunction-sections -fdata-sections

CFLAGS		+= -g -std=gnu23 $(WARNFLAGS) $(DEFINES) $(ARCH) \
		   -mthumb -mthumb-interwork $(INCLUDEFLAGS) -Os \
		   -ffunction-sections -fdata-sections \
		   -fomit-frame-pointer

CXXFLAGS	+= -g -std=gnu++23 $(WARNFLAGS) $(DEFINES) $(ARCH) \
		   -mthumb -mthumb-interwork $(INCLUDEFLAGS) -Os \
		   -ffunction-sections -fdata-sections \
		   -fno-exceptions -fno-rtti \
		   -fomit-frame-pointer

# Intermediate build files
# ------------------------

OBJS		:= $(addsuffix .o,$(addprefix $(BUILDDIR)/,$(SOURCES_S))) \
		   $(addsuffix .o,$(addprefix $(BUILDDIR)/,$(SOURCES_C))) \
		   $(addsuffix .o,$(addprefix $(BUILDDIR)/,$(SOURCES_CPP)))

DEPS		:= $(OBJS:.o=.d)

# Targets
# -------

.PHONY: all clean

all: $(ARCHIVE)

$(ARCHIVE): $(OBJS)
	@echo "  AR.9    $@"
	@$(MKDIR) -p $(@D)
	$(V)$(AR) rcs $@ $(OBJS)

clean:
	@echo "  CLEAN.9"
	$(V)$(RM) $(ARCHIVE) $(BUILDDIR)

# Rules
# -----

$(BUILDDIR)/%.s.o : %.s
	@echo "  AS.9    $<"
	@$(MKDIR) -p $(@D)
	$(V)$(CC) $(ASFLAGS) -MMD -MP -c -o $@ $<

$(BUILDDIR)/%.c.o : %.c
	@echo "  CC.9    $<"
	@$(MKDIR) -p $(@D)
	$(V)$(CC) $(CFLAGS) -MMD -MP -c -o $@ $<

$(BUILDDIR)/%.cpp.o : %.cpp
	@echo "  CXX.9   $<"
	@$(MKDIR) -p $(@D)
	$(V)$(CXX) $(CXXFLAGS) -MMD -MP -c -o $@ $<

# Include dependency files if they exist
# --------------------------------------

-include $(DEPS)