rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif
include $(DEVKITARM)/base_tools
name := k11_extension
dir_source := source
dir_include := include
dir_build := build
ARCH := -mcpu=mpcore -mfpu=vfp
ASFLAGS := $(ARCH)
CFLAGS := -Wall -Wextra -MMD -MP -marm $(ASFLAGS) -I$(dir_include) -fno-builtin -std=c11 -Wno-main -O2 -flto -ffast-math \
-mword-relocations -ffunction-sections -fdata-sections
LDFLAGS := -nostdlib -Wl,--gc-sections,--nmagic $(ARCH)
objects = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
$(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
$(call rwildcard, $(dir_source), *.s *.c)))
.PHONY: all
all: ../$(dir_build)/$(name).bin
.PHONY: clean
clean:
@rm -rf $(dir_build)
../$(dir_build)/$(name).bin: $(dir_build)/$(name).elf
$(OBJCOPY) -S -O binary $< $@
$(dir_build)/$(name).elf: $(objects)
$(CC) $(LDFLAGS) -T linker.ld $(OUTPUT_OPTION) $^
$(dir_build)/memory.o : CFLAGS += -O3 -marm
$(dir_build)/%.o: $(dir_source)/%.c
@mkdir -p "$(@D)"
$(COMPILE.c) $(OUTPUT_OPTION) $<
$(dir_build)/%.o: $(dir_source)/%.s
$(COMPILE.s) $(OUTPUT_OPTION) $<
include $(call rwildcard, $(dir_build), *.d)