1 # Hey Emacs, this is a -*- makefile -*-
2 #----------------------------------------------------------------------------
3 # WinAVR Makefile Template written by Eric B. Weddington, Jg Wunsch, et al.
5 # Released to the Public Domain
7 # Additional material for this makefile was written by:
18 # Enable vpath seraching for source files only
19 # Without this, output files, could be read from the wrong .build directories
21 vpath %.c $(VPATH_SRC)
22 vpath %.h $(VPATH_SRC)
23 vpath %.cpp $(VPATH_SRC)
24 vpath %.cc $(VPATH_SRC)
25 vpath %.hpp $(VPATH_SRC)
26 vpath %.S $(VPATH_SRC)
29 # Convert all SRC to OBJ
31 $(patsubst %.c,$1/%.o,$(patsubst %.cpp,$1/%.o,$(patsubst %.cc,$1/%.o,$(patsubst %.S,$1/%.o,$(patsubst %.clib,$1/%.a,$($1_SRC))))))
33 $(foreach OUTPUT,$(OUTPUTS),$(eval $(OUTPUT)_OBJ +=$(call OBJ_FROM_SRC,$(OUTPUT))))
35 # Define a list of all objects
36 OBJ := $(foreach OUTPUT,$(OUTPUTS),$($(OUTPUT)_OBJ))
37 NO_LTO_OBJ := $(filter %.a,$(OBJ))
39 MASTER_OUTPUT := $(firstword $(OUTPUTS))
43 # Output format. (can be srec, ihex, binary)
46 # Optimization level, can be [0, 1, 2, 3, s].
47 # 0 = turn off optimization. s = optimize for size.
48 # (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
54 # Compiler flag to set the C Standard level.
56 # gnu89 = c89 plus GCC extensions
57 # c99 = ISO C99 standard (not yet fully implemented)
58 # gnu99 = c99 plus GCC extensions
59 CSTANDARD = -std=gnu99
62 # Place -D or -U options here for C sources
66 # Place -D or -U options here for ASM sources
70 # Place -D or -U options here for C++ sources
71 #CPPDEFS += -D__STDC_LIMIT_MACROS
72 #CPPDEFS += -D__STDC_CONSTANT_MACROS
78 #---------------- Compiler Options C ----------------
79 # -g*: generate debugging information
80 # -O*: optimization level
81 # -f...: tuning, see GCC manual and avr-libc documentation
82 # -Wall...: warning level
83 # -Wa,...: tell GCC to pass this to the assembler.
84 # -adhlns...: create assembler listing
85 ifndef SKIP_DEBUG_INFO
92 ifeq ("$(shell echo "int main(){}" | $(CC) -fdiagnostics-color -x c - -o /dev/null 2>&1)", "")
93 CFLAGS+= -fdiagnostics-color
97 CFLAGS += -Wstrict-prototypes
98 ifneq ($(strip $(ALLOW_WARNINGS)), yes)
101 #CFLAGS += -mshort-calls
102 #CFLAGS += -fno-unit-at-a-time
104 #CFLAGS += -Wunreachable-code
105 #CFLAGS += -Wsign-compare
106 CFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
107 CFLAGS += $(CSTANDARD)
109 #---------------- Compiler Options C++ ----------------
110 # -g*: generate debugging information
111 # -O*: optimization level
112 # -f...: tuning, see GCC manual and avr-libc documentation
113 # -Wall...: warning level
114 # -Wa,...: tell GCC to pass this to the assembler.
115 # -adhlns...: create assembler listing
116 ifndef SKIP_DEBUG_INFO
117 CPPFLAGS += -g$(DEBUG)
119 CPPFLAGS += $(CPPDEFS)
121 # to supress "warning: only initialized variables can be placed into program memory area"
125 ifneq ($(strip $(ALLOW_WARNINGS)), yes)
128 #CPPFLAGS += -mshort-calls
129 #CPPFLAGS += -fno-unit-at-a-time
130 #CPPFLAGS += -Wstrict-prototypes
131 #CPPFLAGS += -Wunreachable-code
132 #CPPFLAGS += -Wsign-compare
133 CPPFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
134 #CPPFLAGS += $(CSTANDARD)
136 #---------------- Assembler Options ----------------
137 # -Wa,...: tell GCC to pass this to the assembler.
138 # -adhlns: create listing
139 # -gstabs: have the assembler create line number information; note that
140 # for use in COFF files, additional information about filenames
141 # and function names needs to be present in the assembler source
142 # files -- see avr-libc docs [FIXME: not yet described there]
143 # -listing-cont-lines: Sets the maximum number of continuation lines of hex
144 # dump that will be displayed for a given single line of source input.
146 ifndef SKIP_DEBUG_INFO
147 ASFLAGS += -Wa,-adhlns=$(@:%.o=%.lst),-gstabs,--listing-cont-lines=100
149 ASFLAGS += -Wa,-adhlns=$(@:%.o=%.lst),--listing-cont-lines=100
152 #---------------- Library Options ----------------
153 # Minimalistic printf version
154 PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
156 # Floating point printf version (requires MATH_LIB = -lm below)
157 PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
159 # If this is left blank, then it will use the Standard printf version.
161 #PRINTF_LIB = $(PRINTF_LIB_MIN)
162 #PRINTF_LIB = $(PRINTF_LIB_FLOAT)
165 # Minimalistic scanf version
166 SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
168 # Floating point + %[ scanf version (requires MATH_LIB = -lm below)
169 SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
171 # If this is left blank, then it will use the Standard scanf version.
173 #SCANF_LIB = $(SCANF_LIB_MIN)
174 #SCANF_LIB = $(SCANF_LIB_FLOAT)
181 #---------------- Linker Options ----------------
182 # -Wl,...: tell GCC to pass this to linker.
183 # -Map: create map file
184 # --cref: add cross reference to map file
186 # Comennt out "--relax" option to avoid a error such:
187 # (.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
190 ifeq ($(CREATE_MAP),yes)
191 LDFLAGS += -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref
193 #LDFLAGS += -Wl,--relax
194 LDFLAGS += $(EXTMEMOPTS)
195 LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
196 LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
197 #LDFLAGS += -T linker_script.x
198 # You can give EXTRALDFLAGS at 'make' command line.
199 LDFLAGS += $(EXTRALDFLAGS)
201 # Define programs and commands.
207 SECHO = $(SILENT) || echo
210 # Compiler flags to generate dependency files.
211 #GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
212 GENDEPFLAGS = -MMD -MP -MF $(patsubst %.o,%.td,$@)
215 # Combine all necessary flags and optional flags.
216 # Add target processor to flags.
217 # You can give extra flags at 'make' command line like: make EXTRAFLAGS=-DFOO=bar
218 ALL_CFLAGS = $(MCUFLAGS) $(CFLAGS) $(EXTRAFLAGS)
219 ALL_CPPFLAGS = $(MCUFLAGS) -x c++ $(CPPFLAGS) $(EXTRAFLAGS)
220 ALL_ASFLAGS = $(MCUFLAGS) -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS)
223 $(patsubst %.a,%.o,$1): NOLTO_CFLAGS += -fno-lto
225 $(foreach LOBJ, $(NO_LTO_OBJ), $(eval $(call NO_LTO,$(LOBJ))))
227 MOVE_DEP = mv -f $(patsubst %.o,%.td,$@) $(patsubst %.o,%.d,$@)
230 elf: $(BUILD_DIR)/$(TARGET).elf
231 hex: $(BUILD_DIR)/$(TARGET).hex
232 cpfirmware: $(FIRMWARE_FORMAT)
233 $(SILENT) || printf "Copying $(TARGET).$(FIRMWARE_FORMAT) to qmk_firmware folder" | $(AWK_CMD)
234 $(COPY) $(BUILD_DIR)/$(TARGET).$(FIRMWARE_FORMAT) $(TARGET).$(FIRMWARE_FORMAT) && $(PRINT_OK)
235 eep: $(BUILD_DIR)/$(TARGET).eep
236 lss: $(BUILD_DIR)/$(TARGET).lss
237 sym: $(BUILD_DIR)/$(TARGET).sym
238 LIBNAME=lib$(TARGET).a
241 # Display size of file.
242 HEXSIZE = $(SIZE) --target=$(FORMAT) $(BUILD_DIR)/$(TARGET).hex
243 #ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
244 ELFSIZE = $(SIZE) $(BUILD_DIR)/$(TARGET).elf
247 @if test -f $(BUILD_DIR)/$(TARGET).hex; then $(SECHO) $(MSG_SIZE_BEFORE); $(SILENT) || $(HEXSIZE); \
248 2>/dev/null; $(SECHO); fi
250 sizeafter: $(BUILD_DIR)/$(TARGET).hex
251 @if test -f $(BUILD_DIR)/$(TARGET).hex; then $(SECHO); $(SECHO) $(MSG_SIZE_AFTER); $(SILENT) || $(HEXSIZE); \
252 2>/dev/null; $(SECHO); fi
254 # Display compiler version information.
256 @$(SILENT) || $(CC) --version
258 # Create final output files (.hex, .eep) from ELF output file.
260 @$(SILENT) || printf "$(MSG_FLASH) $@" | $(AWK_CMD)
261 $(eval CMD=$(HEX) $< $@)
263 @if $(AUTOGEN); then \
264 $(SILENT) || printf "Copying $(TARGET).hex to keymaps/$(KEYMAP)/$(TARGET).hex\n"; \
265 $(COPY) $@ $(KEYMAP_PATH)/$(TARGET).hex; \
269 @$(SILENT) || printf "$(MSG_EEPROM) $@" | $(AWK_CMD)
270 $(eval CMD=$(EEP) $< $@ || exit 0)
273 # Create extended listing file from ELF output file.
275 @$(SILENT) || printf "$(MSG_EXTENDED_LISTING) $@" | $(AWK_CMD)
276 $(eval CMD=$(OBJDUMP) -h -S -z $< > $@)
279 # Create a symbol table from ELF output file.
281 @$(SILENT) || printf "$(MSG_SYMBOL_TABLE) $@" | $(AWK_CMD)
282 $(eval CMD=$(NM) -n $< > $@ )
286 @$(SILENT) || printf "$(MSG_BIN) $@" | $(AWK_CMD)
287 $(eval CMD=$(BIN) $< $@ || exit 0)
290 BEGIN = gccversion sizebefore
292 # Link: create ELF output file from object files.
293 .SECONDARY : $(BUILD_DIR)/$(TARGET).elf
295 # Note the obj.txt depeendency is there to force linking if a source file is deleted
296 %.elf: $(OBJ) $(MASTER_OUTPUT)/cflags.txt $(MASTER_OUTPUT)/ldflags.txt $(MASTER_OUTPUT)/obj.txt | $(BEGIN)
297 @$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD)
298 $(eval CMD=$(CC) $(ALL_CFLAGS) $(filter-out %.txt,$^) --output $@ $(LDFLAGS))
303 $1_INCFLAGS := $$(patsubst %,-I%,$$($1_INC))
305 $1_CONFIG_FLAGS += $$(patsubst %,-include %,$$($1_CONFIG))
307 $1_CFLAGS = $$(ALL_CFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS) $$(NOLTO_CFLAGS)
308 $1_CPPFLAGS= $$(ALL_CPPFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS) $$(NOLTO_CFLAGS)
309 $1_ASFLAGS= $$(ALL_ASFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS)
311 # Compile: create object files from C source files.
312 $1/%.o : %.c $1/%.d $1/cflags.txt $1/compiler.txt | $(BEGIN)
314 @$$(SILENT) || printf "$$(MSG_COMPILING) $$<" | $$(AWK_CMD)
315 $$(eval CMD := $$(CC) -c $$($1_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
318 # Compile: create object files from C++ source files.
319 $1/%.o : %.cpp $1/%.d $1/cppflags.txt $1/compiler.txt | $(BEGIN)
321 @$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD)
322 $$(eval CMD=$$(CC) -c $$($1_CPPFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
325 $1/%.o : %.cc $1/%.d $1/cppflags.txt $1/compiler.txt | $(BEGIN)
327 @$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD)
328 $$(eval CMD=$$(CC) -c $$($1_CPPFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
331 # Assemble: create object files from assembler source files.
332 $1/%.o : %.S $1/asflags.txt $1/compiler.txt | $(BEGIN)
334 @$(SILENT) || printf "$$(MSG_ASSEMBLING) $$<" | $$(AWK_CMD)
335 $$(eval CMD=$$(CC) -c $$($1_ASFLAGS) $$< -o $$@)
340 @$(SILENT) || printf "Archiving: $$<" | $$(AWK_CMD)
341 $$(eval CMD=$$(AR) $$@ $$<)
346 $1/cflags.txt: $1/force
347 echo '$$($1_CFLAGS)' | cmp -s - $$@ || echo '$$($1_CFLAGS)' > $$@
349 $1/cppflags.txt: $1/force
350 echo '$$($1_CPPFLAGS)' | cmp -s - $$@ || echo '$$($1_CPPFLAGS)' > $$@
352 $1/asflags.txt: $1/force
353 echo '$$($1_ASFLAGS)' | cmp -s - $$@ || echo '$$($1_ASFLAGS)' > $$@
355 $1/compiler.txt: $1/force
356 $$(CC) --version | cmp -s - $$@ || $$(CC) --version > $$@
359 .PRECIOUS: $(MASTER_OUTPUT)/obj.txt
360 $(MASTER_OUTPUT)/obj.txt: $(MASTER_OUTPUT)/force
361 echo '$(OBJ)' | cmp -s - $@ || echo '$(OBJ)' > $@
363 .PRECIOUS: $(MASTER_OUTPUT)/ldflags.txt
364 $(MASTER_OUTPUT)/ldflags.txt: $(MASTER_OUTPUT)/force
365 echo '$(LDFLAGS)' | cmp -s - $@ || echo '$(LDFLAGS)' > $@
368 # We have to use static rules for the .d files for some reason
369 DEPS = $(patsubst %.o,%.d,$(patsubst %.a,%.o,$(OBJ)))
372 # Empty rule to force recompilation if the .d file is missing
376 $(foreach OUTPUT,$(OUTPUTS),$(eval $(call GEN_OBJRULE,$(OUTPUT))))
378 # Create preprocessed source for use in sending a bug report.
380 $(CC) -E -mmcu=$(MCU) $(CFLAGS) $< -o $@
382 # Target: clean project.
384 $(foreach OUTPUT,$(OUTPUTS), $(REMOVE) -r $(OUTPUT) 2>/dev/null)
385 $(REMOVE) $(BUILD_DIR)/$(TARGET).*
392 ifeq ($(findstring avr-gcc,$(CC)),avr-gcc)
394 $(eval MAX_SIZE=$(shell n=`$(CC) -E -mmcu=$(MCU) $(CFLAGS) $(OPT_DEFS) tmk_core/common/avr/bootloader_size.c 2> /dev/null | sed -ne '/^#/n;/^AVR_SIZE:/,$${s/^AVR_SIZE: //;p;}'` && echo $$(($$n)) || echo 0))
395 $(eval CURRENT_SIZE=$(shell if [ -f $(BUILD_DIR)/$(TARGET).hex ]; then $(SIZE) --target=$(FORMAT) $(BUILD_DIR)/$(TARGET).hex | $(AWK) 'NR==2 {print $$4}'; else printf 0; fi))
396 $(eval FREE_SIZE=$(shell expr $(MAX_SIZE) - $(CURRENT_SIZE)))
397 $(eval OVER_SIZE=$(shell expr $(CURRENT_SIZE) - $(MAX_SIZE)))
398 if [ $(MAX_SIZE) -gt 0 ] && [ $(CURRENT_SIZE) -gt 0 ]; then \
399 $(SILENT) || printf "$(MSG_CHECK_FILESIZE)" | $(AWK_CMD); \
400 if [ $(CURRENT_SIZE) -gt $(MAX_SIZE) ]; then printf "\n * $(MSG_FILE_TOO_BIG)"; $(PRINT_ERROR_PLAIN); else $(PRINT_OK); $(SILENT) || printf " * $(MSG_FILE_JUST_RIGHT)"; fi \
404 echo "(Firmware size check does not yet support $(MCU) microprocessors; skipping.)"
407 # Create build directory
408 $(shell mkdir -p $(BUILD_DIR) 2>/dev/null)
410 # Create object files directory
411 $(eval $(foreach OUTPUT,$(OUTPUTS),$(shell mkdir -p $(OUTPUT) 2>/dev/null)))
413 # Include the dependency files.
414 -include $(patsubst %.o,%.d,$(patsubst %.a,%.o,$(OBJ)))
417 # Listing of phony targets.
418 .PHONY : all finish sizebefore sizeafter qmkversion \
419 gccversion build elf hex eep lss sym coff extcoff \
420 clean clean_list debug gdb-config show_path \
421 program teensy dfu flip dfu-ee flip-ee dfu-start