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Makefile enhancements #25

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Makefile enhancements #25

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1a2815a
makefile: support C files, and fix C++ flags variable name.
adriweb Jul 14, 2022
d180cb5
makefile: -lm needs to be added at the end of the link flags.
adriweb Jul 14, 2022
a4a5e1c
makefile: minor cleanup and add an "all" target for IDE compatibility
adriweb Jul 14, 2022
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28 changes: 19 additions & 9 deletions Makefile
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
Q ?= @
BUILD_DIR = target
NAME = voord

define object_for
$(addprefix $(BUILD_DIR)/,$(addsuffix .o,$(basename $(1))))
Expand All @@ -15,31 +16,40 @@ src = $(addprefix src/,\
score.cpp \
)

SFLAGS = -I. -Isrc -Os -Wall -MD -MP -ggdb3 -mthumb -mfloat-abi=hard -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-sp-d16
SFLAGS += -fno-common -fdata-sections -ffunction-sections -fno-exceptions
CPPFLAGS = -std=c++11 -ffreestanding -fno-rtti -nostdinc -nostdlib -fno-threadsafe-statics
SFLAGS = -I. -Isrc -Os -Wall -MD -MP -ggdb3 -mthumb -mfloat-abi=hard -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-sp-d16
SFLAGS += -fno-common -fdata-sections -ffunction-sections -ffreestanding -nostdinc -nostdlib
CFLAGS = -std=c11
CXXFLAGS = -std=c++11 -fno-exceptions -fno-rtti -fno-threadsafe-statics
LDFLAGS = -Wl,-Ur
LDFLAGS += --specs=nosys.specs -nostartfiles -lm
LDFLAGS += --specs=nosys.specs -nostartfiles
LDFLAGS_END = -lm

.PHONY: all
all: build

.PHONY: build
build: $(BUILD_DIR)/voord.bin
build: $(BUILD_DIR)/$(NAME).bin

.PHONY: run
run: $(BUILD_DIR)/voord.nwa
run: $(BUILD_DIR)/$(NAME).nwa
@echo "INSTALL $<"
$(Q) nwlink install-nwa $<

$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.nwa
@echo "BIN $@"
$(Q) nwlink link-nwa $< $@

$(BUILD_DIR)/voord.nwa: $(call object_for,$(src)) $(BUILD_DIR)/icon.o
$(BUILD_DIR)/$(NAME).nwa: $(call object_for,$(src)) $(BUILD_DIR)/icon.o
@echo "LD $@"
$(Q) arm-none-eabi-gcc $(LDFLAGS) $(SFLAGS) $^ -o $@
$(Q) arm-none-eabi-gcc $(LDFLAGS) $(SFLAGS) $^ $(LDFLAGS_END) -o $@

$(addprefix $(BUILD_DIR)/,%.o): %.c | $(BUILD_DIR)
@echo "C $^"
$(Q) arm-none-eabi-gcc $(CFLAGS) $(SFLAGS) -c $^ -o $@

$(addprefix $(BUILD_DIR)/,%.o): %.cpp | $(BUILD_DIR)
@echo "CXX $^"
$(Q) arm-none-eabi-g++ $(CPPFLAGS) $(SFLAGS) -c $^ -o $@
$(Q) arm-none-eabi-g++ $(CXXFLAGS) $(SFLAGS) -c $^ -o $@

$(BUILD_DIR)/icon.nwi: src/icon.png
@echo "NWI $<"
Expand Down