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+# Hey Emacs, this is a -*- makefile -*-
+#----------------------------------------------------------------------------
+# WinAVR Makefile Template written by Eric B. Weddington, Jg Wunsch, et al.
+#
+# Released to the Public Domain
+#
+# Additional material for this makefile was written by:
+# Peter Fleury
+# Tim Henigan
+# Colin O'Flynn
+# Reiner Patommel
+# Markus Pfaff
+# Sander Pool
+# Frederik Rouleau
+# Carlos Lamas
+#
+
+# Enable vpath seraching for source files only
+# Without this, output files, could be read from the wrong .build directories
+VPATH_SRC := $(VPATH)
+vpath %.c $(VPATH_SRC)
+vpath %.h $(VPATH_SRC)
+vpath %.cpp $(VPATH_SRC)
+vpath %.cc $(VPATH_SRC)
+vpath %.hpp $(VPATH_SRC)
+vpath %.S $(VPATH_SRC)
+VPATH :=
+
+# Convert all SRC to OBJ
+define OBJ_FROM_SRC
+$(patsubst %.c,$1/%.o,$(patsubst %.cpp,$1/%.o,$(patsubst %.cc,$1/%.o,$(patsubst %.S,$1/%.o,$($1_SRC)))))
+endef
+$(foreach OUTPUT,$(OUTPUTS),$(eval $(OUTPUT)_OBJ +=$(call OBJ_FROM_SRC,$(OUTPUT))))
+
+# Define a list of all objects
+OBJ := $(foreach OUTPUT,$(OUTPUTS),$($(OUTPUT)_OBJ))
+
+MASTER_OUTPUT := $(firstword $(OUTPUTS))
+
+
+
+# Output format. (can be srec, ihex, binary)
+FORMAT = ihex
+
+# Optimization level, can be [0, 1, 2, 3, s].
+# 0 = turn off optimization. s = optimize for size.
+# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
+OPT = s
+
+AUTOGEN ?= false
+
+
+# Compiler flag to set the C Standard level.
+# c89 = "ANSI" C
+# gnu89 = c89 plus GCC extensions
+# c99 = ISO C99 standard (not yet fully implemented)
+# gnu99 = c99 plus GCC extensions
+CSTANDARD = -std=gnu99
+
+
+# Place -D or -U options here for C sources
+#CDEFS +=
+
+
+# Place -D or -U options here for ASM sources
+#ADEFS +=
+
+
+# Place -D or -U options here for C++ sources
+#CPPDEFS += -D__STDC_LIMIT_MACROS
+#CPPDEFS += -D__STDC_CONSTANT_MACROS
+#CPPDEFS +=
+
+
+
+
+#---------------- Compiler Options C ----------------
+# -g*: generate debugging information
+# -O*: optimization level
+# -f...: tuning, see GCC manual and avr-libc documentation
+# -Wall...: warning level
+# -Wa,...: tell GCC to pass this to the assembler.
+# -adhlns...: create assembler listing
+CFLAGS += -g$(DEBUG)
+CFLAGS += $(CDEFS)
+CFLAGS += -O$(OPT)
+# add color
+ifeq ($(COLOR),true)
+ifeq ("$(shell echo "int main(){}" | $(CC) -fdiagnostics-color -x c - -o /dev/null 2>&1)", "")
+ CFLAGS+= -fdiagnostics-color
+endif
+endif
+CFLAGS += -Wall
+CFLAGS += -Wstrict-prototypes
+ifneq ($(strip $(ALLOW_WARNINGS)), yes)
+ CFLAGS += -Werror
+endif
+#CFLAGS += -mshort-calls
+#CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
+#CFLAGS += -Wunreachable-code
+#CFLAGS += -Wsign-compare
+CFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
+CFLAGS += $(CSTANDARD)
+
+
+#---------------- Compiler Options C++ ----------------
+# -g*: generate debugging information
+# -O*: optimization level
+# -f...: tuning, see GCC manual and avr-libc documentation
+# -Wall...: warning level
+# -Wa,...: tell GCC to pass this to the assembler.
+# -adhlns...: create assembler listing
+CPPFLAGS += -g$(DEBUG)
+CPPFLAGS += $(CPPDEFS)
+CPPFLAGS += -O$(OPT)
+# to supress "warning: only initialized variables can be placed into program memory area"
+CPPFLAGS += -w
+CPPFLAGS += -Wall
+CPPFLAGS += -Wundef
+ifneq ($(strip $(ALLOW_WARNINGS)), yes)
+ CPPFLAGS += -Werror
+endif
+#CPPFLAGS += -mshort-calls
+#CPPFLAGS += -fno-unit-at-a-time
+#CPPFLAGS += -Wstrict-prototypes
+#CPPFLAGS += -Wunreachable-code
+#CPPFLAGS += -Wsign-compare
+CPPFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
+#CPPFLAGS += $(CSTANDARD)
+
+#---------------- Assembler Options ----------------
+# -Wa,...: tell GCC to pass this to the assembler.
+# -adhlns: create listing
+# -gstabs: have the assembler create line number information; note that
+# for use in COFF files, additional information about filenames
+# and function names needs to be present in the assembler source
+# files -- see avr-libc docs [FIXME: not yet described there]
+# -listing-cont-lines: Sets the maximum number of continuation lines of hex
+# dump that will be displayed for a given single line of source input.
+ASFLAGS += $(ADEFS)
+ASFLAGS += -Wa,-adhlns=$(@:%.o=%.lst),-gstabs,--listing-cont-lines=100
+
+#---------------- Library Options ----------------
+# Minimalistic printf version
+PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
+
+# Floating point printf version (requires MATH_LIB = -lm below)
+PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
+
+# If this is left blank, then it will use the Standard printf version.
+PRINTF_LIB =
+#PRINTF_LIB = $(PRINTF_LIB_MIN)
+#PRINTF_LIB = $(PRINTF_LIB_FLOAT)
+
+
+# Minimalistic scanf version
+SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
+
+# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
+SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
+
+# If this is left blank, then it will use the Standard scanf version.
+SCANF_LIB =
+#SCANF_LIB = $(SCANF_LIB_MIN)
+#SCANF_LIB = $(SCANF_LIB_FLOAT)
+
+
+MATH_LIB = -lm
+CREATE_MAP ?= yes
+
+
+#---------------- Linker Options ----------------
+# -Wl,...: tell GCC to pass this to linker.
+# -Map: create map file
+# --cref: add cross reference to map file
+#
+# Comennt out "--relax" option to avoid a error such:
+# (.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
+#
+
+ifeq ($(CREATE_MAP),yes)
+ LDFLAGS += -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref
+endif
+#LDFLAGS += -Wl,--relax
+LDFLAGS += $(EXTMEMOPTS)
+LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
+LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
+#LDFLAGS += -T linker_script.x
+# You can give EXTRALDFLAGS at 'make' command line.
+LDFLAGS += $(EXTRALDFLAGS)
+
+# Define programs and commands.
+SHELL = sh
+REMOVE = rm -f
+REMOVEDIR = rmdir
+COPY = cp
+WINSHELL = cmd
+SECHO = $(SILENT) || echo
+
+
+# Compiler flags to generate dependency files.
+#GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
+GENDEPFLAGS = -MMD -MP -MF $(patsubst %.o,%.td,$@)
+
+
+# Combine all necessary flags and optional flags.
+# Add target processor to flags.
+# You can give extra flags at 'make' command line like: make EXTRAFLAGS=-DFOO=bar
+ALL_CFLAGS = $(MCUFLAGS) $(CFLAGS) $(EXTRAFLAGS)
+ALL_CPPFLAGS = $(MCUFLAGS) -x c++ $(CPPFLAGS) $(EXTRAFLAGS)
+ALL_ASFLAGS = $(MCUFLAGS) -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS)
+
+MOVE_DEP = mv -f $(patsubst %.o,%.td,$@) $(patsubst %.o,%.d,$@)
+
+
+elf: $(BUILD_DIR)/$(TARGET).elf
+hex: $(BUILD_DIR)/$(TARGET).hex
+eep: $(BUILD_DIR)/$(TARGET).eep
+lss: $(BUILD_DIR)/$(TARGET).lss
+sym: $(BUILD_DIR)/$(TARGET).sym
+LIBNAME=lib$(TARGET).a
+lib: $(LIBNAME)
+
+# Display size of file.
+HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
+#ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
+ELFSIZE = $(SIZE) $(BUILD_DIR)/$(TARGET).elf
+
+sizebefore:
+ @if test -f $(TARGET).hex; then $(SECHO) $(MSG_SIZE_BEFORE); $(SILENT) || $(HEXSIZE); \
+ 2>/dev/null; $(SECHO); fi
+
+sizeafter: $(BUILD_DIR)/$(TARGET).hex
+ @if test -f $(TARGET).hex; then $(SECHO); $(SECHO) $(MSG_SIZE_AFTER); $(SILENT) || $(HEXSIZE); \
+ 2>/dev/null; $(SECHO); fi
+ # test file sizes eventually
+ # @if [[ $($(SIZE) --target=$(FORMAT) $(TARGET).hex | $(AWK) 'NR==2 {print "0x"$5}') -gt 0x200 ]]; then $(SECHO) "File is too big!"; fi
+
+# Display compiler version information.
+gccversion :
+ @$(SILENT) || $(CC) --version
+
+# Create final output files (.hex, .eep) from ELF output file.
+%.hex: %.elf
+ @$(SILENT) || printf "$(MSG_FLASH) $@" | $(AWK_CMD)
+ $(eval CMD=$(HEX) $< $@)
+ @$(BUILD_CMD)
+ @if $(AUTOGEN); then \
+ $(SILENT) || printf "Copying $(TARGET).hex to keymaps/$(KEYMAP)/$(KEYBOARD)_$(KEYMAP).hex\n"; \
+ $(COPY) $@ $(KEYMAP_PATH)/$(KEYBOARD)_$(KEYMAP).hex; \
+ else \
+ $(COPY) $@ $(TARGET).hex; \
+ fi
+
+%.eep: %.elf
+ @$(SILENT) || printf "$(MSG_EEPROM) $@" | $(AWK_CMD)
+ $(eval CMD=$(EEP) $< $@ || exit 0)
+ @$(BUILD_CMD)
+
+# Create extended listing file from ELF output file.
+%.lss: %.elf
+ @$(SILENT) || printf "$(MSG_EXTENDED_LISTING) $@" | $(AWK_CMD)
+ $(eval CMD=$(OBJDUMP) -h -S -z $< > $@)
+ @$(BUILD_CMD)
+
+# Create a symbol table from ELF output file.
+%.sym: %.elf
+ @$(SILENT) || printf "$(MSG_SYMBOL_TABLE) $@" | $(AWK_CMD)
+ $(eval CMD=$(NM) -n $< > $@ )
+ @$(BUILD_CMD)
+
+%.bin: %.elf
+ @$(SILENT) || printf "$(MSG_BIN) $@" | $(AWK_CMD)
+ $(eval CMD=$(BIN) $< $@ || exit 0)
+ @$(BUILD_CMD)
+
+BEGIN = gccversion sizebefore
+
+# Link: create ELF output file from object files.
+.SECONDARY : $(BUILD_DIR)/$(TARGET).elf
+.PRECIOUS : $(OBJ)
+# Note the obj.txt depeendency is there to force linking if a source file is deleted
+%.elf: $(OBJ) $(MASTER_OUTPUT)/cflags.txt $(MASTER_OUTPUT)/ldflags.txt $(MASTER_OUTPUT)/obj.txt | $(BEGIN)
+ @$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD)
+ $(eval CMD=$(CC) $(ALL_CFLAGS) $(filter-out %.txt,$^) --output $@ $(LDFLAGS))
+ @$(BUILD_CMD)
+
+
+define GEN_OBJRULE
+$1_INCFLAGS := $$(patsubst %,-I%,$$($1_INC))
+ifdef $1_CONFIG
+$1_CONFIG_FLAGS += -include $$($1_CONFIG)
+endif
+$1_CFLAGS = $$(ALL_CFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS)
+$1_CPPFLAGS= $$(ALL_CPPFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS)
+$1_ASFLAGS= $$(ALL_ASFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS)
+
+# Compile: create object files from C source files.
+$1/%.o : %.c $1/%.d $1/cflags.txt $1/compiler.txt | $(BEGIN)
+ @mkdir -p $$(@D)
+ @$$(SILENT) || printf "$$(MSG_COMPILING) $$<" | $$(AWK_CMD)
+ $$(eval CMD := $$(CC) -c $$($1_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
+ @$$(BUILD_CMD)
+
+# Compile: create object files from C++ source files.
+$1/%.o : %.cpp $1/%.d $1/cppflags.txt $1/compiler.txt | $(BEGIN)
+ @mkdir -p $$(@D)
+ @$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD)
+ $$(eval CMD=$$(CC) -c $$($1_CPPFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
+ @$$(BUILD_CMD)
+
+$1/%.o : %.cc $1/%.d $1/cppflags.txt $1/compiler.txt | $(BEGIN)
+ @mkdir -p $$(@D)
+ @$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD)
+ $$(eval CMD=$$(CC) -c $$($1_CPPFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
+ @$$(BUILD_CMD)
+
+# Assemble: create object files from assembler source files.
+$1/%.o : %.S $1/asflags.txt $1/compiler.txt | $(BEGIN)
+ @mkdir -p $$(@D)
+ @$(SILENT) || printf "$$(MSG_ASSEMBLING) $$<" | $$(AWK_CMD)
+ $$(eval CMD=$$(CC) -c $$($1_ASFLAGS) $$< -o $$@)
+ @$$(BUILD_CMD)
+
+$1/force:
+
+$1/cflags.txt: $1/force
+ echo '$$($1_CFLAGS)' | cmp -s - $$@ || echo '$$($1_CFLAGS)' > $$@
+
+$1/cppflags.txt: $1/force
+ echo '$$($1_CPPFLAGS)' | cmp -s - $$@ || echo '$$($1_CPPFLAGS)' > $$@
+
+$1/asflags.txt: $1/force
+ echo '$$($1_ASFLAGS)' | cmp -s - $$@ || echo '$$($1_ASFLAGS)' > $$@
+
+$1/compiler.txt: $1/force
+ $$(CC) --version | cmp -s - $$@ || $$(CC) --version > $$@
+endef
+
+.PRECIOUS: $(MASTER_OUTPUT)/obj.txt
+$(MASTER_OUTPUT)/obj.txt: $(MASTER_OUTPUT)/force
+ echo '$(OBJ)' | cmp -s - $@ || echo '$(OBJ)' > $@
+
+.PRECIOUS: $(MASTER_OUTPUT)/ldflags.txt
+$(MASTER_OUTPUT)/ldflags.txt: $(MASTER_OUTPUT)/force
+ echo '$(LDFLAGS)' | cmp -s - $@ || echo '$(LDFLAGS)' > $@
+
+
+# We have to use static rules for the .d files for some reason
+DEPS = $(patsubst %.o,%.d,$(OBJ))
+# Keep the .d files
+.PRECIOUS: $(DEPS)
+# Empty rule to force recompilation if the .d file is missing
+$(DEPS):
+
+
+$(foreach OUTPUT,$(OUTPUTS),$(eval $(call GEN_OBJRULE,$(OUTPUT))))
+
+# Create preprocessed source for use in sending a bug report.
+%.i : %.c | $(BEGIN)
+ $(CC) -E -mmcu=$(MCU) $(CFLAGS) $< -o $@
+
+# Target: clean project.
+clean:
+ $(foreach OUTPUT,$(OUTPUTS), $(REMOVE) -r $(OUTPUT) 2>/dev/null)
+ $(REMOVE) $(BUILD_DIR)/$(TARGET).*
+
+show_path:
+ @echo VPATH=$(VPATH)
+ @echo SRC=$(SRC)
+ @echo OBJ=$(OBJ)
+
+# Create build directory
+$(shell mkdir -p $(BUILD_DIR) 2>/dev/null)
+
+# Create object files directory
+$(eval $(foreach OUTPUT,$(OUTPUTS),$(shell mkdir -p $(OUTPUT) 2>/dev/null)))
+
+# Include the dependency files.
+-include $(patsubst %.o,%.d,$(OBJ))
+
+
+# Listing of phony targets.
+.PHONY : all finish sizebefore sizeafter gccversion \
+build elf hex eep lss sym coff extcoff \
+clean clean_list debug gdb-config show_path \
+program teensy dfu flip dfu-ee flip-ee dfu-start \ No newline at end of file