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 $(OUTPUTS
))
43 # Output format. (can be srec, ihex, binary)
46 # Optimization level, can be [0, 1, 2, 3, s].
47 # 0 = turn off optimization. s = optimize for size.
48 # (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
51 # Compiler flag to set the C Standard level.
53 # gnu89 = c89 plus GCC extensions
54 # c99 = ISO C99 standard (not yet fully implemented)
55 # gnu99 = c99 plus GCC extensions
56 CSTANDARD
= -std
=gnu99
59 # Place -D or -U options here for C sources
63 # Place -D or -U options here for ASM sources
67 # Place -D or -U options here for C++ sources
68 #CXXDEFS += -D__STDC_LIMIT_MACROS
69 #CXXDEFS += -D__STDC_CONSTANT_MACROS
75 #---------------- Compiler Options C ----------------
76 # -g*: generate debugging information
77 # -O*: optimization level
78 # -f...: tuning, see GCC manual and avr-libc documentation
79 # -Wall...: warning level
80 # -Wa,...: tell GCC to pass this to the assembler.
81 # -adhlns...: create assembler listing
82 ifndef SKIP_DEBUG_INFO
89 ifeq ("$(shell echo "int main
(){}" | $(CC) -fdiagnostics-color -x c - -o /dev/null 2>&1)", "")
90 CFLAGS
+= -fdiagnostics-color
94 CFLAGS
+= -Wstrict-prototypes
95 ifneq ($(strip $(ALLOW_WARNINGS
)), yes
)
98 #CFLAGS += -mshort-calls
99 #CFLAGS += -fno-unit-at-a-time
101 #CFLAGS += -Wunreachable-code
102 #CFLAGS += -Wsign-compare
103 CFLAGS
+= -Wa
,-adhlns
=$(@
:%.o
=%.lst
)
104 CFLAGS
+= $(CSTANDARD
)
106 #---------------- Compiler Options C++ ----------------
107 # -g*: generate debugging information
108 # -O*: optimization level
109 # -f...: tuning, see GCC manual and avr-libc documentation
110 # -Wall...: warning level
111 # -Wa,...: tell GCC to pass this to the assembler.
112 # -adhlns...: create assembler listing
113 ifndef SKIP_DEBUG_INFO
114 CXXFLAGS
+= -g
$(DEBUG
)
116 CXXFLAGS
+= $(CXXDEFS
)
118 # to supress "warning: only initialized variables can be placed into program memory area"
122 ifneq ($(strip $(ALLOW_WARNINGS
)), yes
)
125 #CXXFLAGS += -mshort-calls
126 #CXXFLAGS += -fno-unit-at-a-time
127 #CXXFLAGS += -Wstrict-prototypes
128 #CXXFLAGS += -Wunreachable-code
129 #CXXFLAGS += -Wsign-compare
130 CXXFLAGS
+= -Wa
,-adhlns
=$(@
:%.o
=%.lst
)
131 #CXXFLAGS += $(CSTANDARD)
133 #---------------- Assembler Options ----------------
134 # -Wa,...: tell GCC to pass this to the assembler.
135 # -adhlns: create listing
136 # -gstabs: have the assembler create line number information; note that
137 # for use in COFF files, additional information about filenames
138 # and function names needs to be present in the assembler source
139 # files -- see avr-libc docs [FIXME: not yet described there]
140 # -listing-cont-lines: Sets the maximum number of continuation lines of hex
141 # dump that will be displayed for a given single line of source input.
143 ifndef SKIP_DEBUG_INFO
144 ASFLAGS
+= -Wa
,-adhlns
=$(@
:%.o
=%.lst
),-gstabs
,--listing-cont-lines
=100
146 ASFLAGS
+= -Wa
,-adhlns
=$(@
:%.o
=%.lst
),--listing-cont-lines
=100
149 #---------------- Library Options ----------------
150 # Minimalistic printf version
151 PRINTF_LIB_MIN
= -Wl
,-u
,vfprintf
-lprintf_min
153 # Floating point printf version (requires MATH_LIB = -lm below)
154 PRINTF_LIB_FLOAT
= -Wl
,-u
,vfprintf
-lprintf_flt
156 # If this is left blank, then it will use the Standard printf version.
158 #PRINTF_LIB = $(PRINTF_LIB_MIN)
159 #PRINTF_LIB = $(PRINTF_LIB_FLOAT)
162 # Minimalistic scanf version
163 SCANF_LIB_MIN
= -Wl
,-u
,vfscanf
-lscanf_min
165 # Floating point + %[ scanf version (requires MATH_LIB = -lm below)
166 SCANF_LIB_FLOAT
= -Wl
,-u
,vfscanf
-lscanf_flt
168 # If this is left blank, then it will use the Standard scanf version.
170 #SCANF_LIB = $(SCANF_LIB_MIN)
171 #SCANF_LIB = $(SCANF_LIB_FLOAT)
178 #---------------- Linker Options ----------------
179 # -Wl,...: tell GCC to pass this to linker.
180 # -Map: create map file
181 # --cref: add cross reference to map file
183 # Comennt out "--relax" option to avoid a error such:
184 # (.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
187 ifeq ($(CREATE_MAP
),yes
)
188 LDFLAGS
+= -Wl
,-Map
=$(BUILD_DIR
)/$(TARGET
).map
,--cref
190 #LDFLAGS += -Wl,--relax
191 LDFLAGS
+= $(EXTMEMOPTS
)
192 LDFLAGS
+= $(patsubst %,-L
%,$(EXTRALIBDIRS
))
193 LDFLAGS
+= $(PRINTF_LIB
) $(SCANF_LIB
) $(MATH_LIB
)
194 #LDFLAGS += -T linker_script.x
195 # You can give EXTRALDFLAGS at 'make' command line.
196 LDFLAGS
+= $(EXTRALDFLAGS
)
198 # Define programs and commands.
204 SECHO
= $(SILENT
) || echo
207 # Compiler flags to generate dependency files.
208 #GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
209 GENDEPFLAGS
= -MMD
-MP
-MF
$(patsubst %.o
,%.td
,$@
)
212 # Combine all necessary flags and optional flags.
213 # Add target processor to flags.
214 # You can give extra flags at 'make' command line like: make EXTRAFLAGS=-DFOO=bar
215 ALL_CFLAGS
= $(MCUFLAGS
) $(CFLAGS
) $(EXTRAFLAGS
)
216 ALL_CXXFLAGS
= $(MCUFLAGS
) -x c
++ $(CXXFLAGS
) $(EXTRAFLAGS
)
217 ALL_ASFLAGS
= $(MCUFLAGS
) -x assembler-with-cpp
$(ASFLAGS
) $(EXTRAFLAGS
)
220 $(patsubst %.a
,%.o
,$1): NOLTO_CFLAGS
+= -fno-lto
222 $(foreach LOBJ
, $(NO_LTO_OBJ
), $(eval
$(call NO_LTO
,$(LOBJ
))))
224 MOVE_DEP
= mv
-f
$(patsubst %.o
,%.td
,$@
) $(patsubst %.o
,%.d
,$@
)
226 # Add QMK specific flags
227 DFU_SUFFIX ?
= dfu-suffix
231 elf
: $(BUILD_DIR
)/$(TARGET
).elf
232 hex
: $(BUILD_DIR
)/$(TARGET
).hex
233 cpfirmware
: $(FIRMWARE_FORMAT
)
234 $(SILENT
) || printf
"Copying $(TARGET).$(FIRMWARE_FORMAT) to qmk_firmware folder" |
$(AWK_CMD
)
235 $(COPY
) $(BUILD_DIR
)/$(TARGET
).
$(FIRMWARE_FORMAT
) $(TARGET
).
$(FIRMWARE_FORMAT
) && $(PRINT_OK
)
236 eep
: $(BUILD_DIR
)/$(TARGET
).eep
237 lss
: $(BUILD_DIR
)/$(TARGET
).lss
238 sym
: $(BUILD_DIR
)/$(TARGET
).sym
239 LIBNAME
=lib
$(TARGET
).a
242 # Display size of file.
243 HEXSIZE
= $(SIZE
) --target
=$(FORMAT
) $(BUILD_DIR
)/$(TARGET
).hex
244 #ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
245 ELFSIZE
= $(SIZE
) $(BUILD_DIR
)/$(TARGET
).elf
248 @if
test -f
$(BUILD_DIR
)/$(TARGET
).hex
; then
$(SECHO
) $(MSG_SIZE_BEFORE
); $(SILENT
) ||
$(HEXSIZE
); \
249 2>/dev
/null
; $(SECHO
); fi
251 sizeafter
: $(BUILD_DIR
)/$(TARGET
).hex
252 @if
test -f
$(BUILD_DIR
)/$(TARGET
).hex
; then
$(SECHO
); $(SECHO
) $(MSG_SIZE_AFTER
); $(SILENT
) ||
$(HEXSIZE
); \
253 2>/dev
/null
; $(SECHO
); fi
255 # Display compiler version information.
257 @
$(SILENT
) ||
$(CC
) --version
259 # Create final output files (.hex, .eep) from ELF output file.
261 @
$(SILENT
) || printf
"$(MSG_FLASH) $@" |
$(AWK_CMD
)
262 $(eval CMD
=$(HEX
) $< $@
)
266 @
$(SILENT
) || printf
"$(MSG_EEPROM) $@" |
$(AWK_CMD
)
267 $(eval CMD
=$(EEP
) $< $@ || exit
0)
270 # Create extended listing file from ELF output file.
272 @
$(SILENT
) || printf
"$(MSG_EXTENDED_LISTING) $@" |
$(AWK_CMD
)
273 $(eval CMD
=$(OBJDUMP
) -h
-S
-z
$< > $@
)
276 # Create a symbol table from ELF output file.
278 @
$(SILENT
) || printf
"$(MSG_SYMBOL_TABLE) $@" |
$(AWK_CMD
)
279 $(eval CMD
=$(NM
) -n
$< > $@
)
283 @
$(SILENT
) || printf
"$(MSG_BIN) $@" |
$(AWK_CMD
)
284 $(eval CMD
=$(BIN
) $< $@ || exit
0)
286 if
[ ! -z
"$(DFU_SUFFIX_ARGS)" ]; then \
287 $(DFU_SUFFIX
) $(DFU_SUFFIX_ARGS
) -a
$(BUILD_DIR
)/$(TARGET
).bin
1>/dev
/null
;\
289 $(COPY
) $(BUILD_DIR
)/$(TARGET
).bin
$(TARGET
).bin
;
291 BEGIN
= gccversion sizebefore
293 # Link: create ELF output file from object files.
294 .SECONDARY
: $(BUILD_DIR
)/$(TARGET
).elf
296 # Note the obj.txt depeendency is there to force linking if a source file is deleted
297 %.elf
: $(OBJ
) $(MASTER_OUTPUT
)/cflags.txt
$(MASTER_OUTPUT
)/ldflags.txt
$(MASTER_OUTPUT
)/obj.txt |
$(BEGIN
)
298 @
$(SILENT
) || printf
"$(MSG_LINKING) $@" |
$(AWK_CMD
)
299 $(eval CMD
=$(CC
) $(ALL_CFLAGS
) $(filter-out %.txt
,$^
) --output
$@
$(LDFLAGS
))
304 $1_INCFLAGS := $$(patsubst %,-I
%,$$($1_INC))
306 $1_CONFIG_FLAGS += $$(patsubst %,-include %,$$($1_CONFIG))
308 $1_CFLAGS = $$(ALL_CFLAGS
) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS) $$(NOLTO_CFLAGS
)
309 $1_CXXFLAGS= $$(ALL_CXXFLAGS
) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS) $$(NOLTO_CFLAGS
)
310 $1_ASFLAGS= $$(ALL_ASFLAGS
) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS)
312 # Compile: create object files from C source files.
313 $1/%.o
: %.c
$1/%.d
$1/cflags.txt
$1/compiler.txt |
$(BEGIN
)
315 @
$$(SILENT
) || printf
"$$(MSG_COMPILING) $$<" |
$$(AWK_CMD
)
316 $$(eval CMD
:= $$(CC
) -c
$$($1_CFLAGS) $$(GENDEPFLAGS
) $$< -o
$$@
&& $$(MOVE_DEP
))
319 # Compile: create object files from C++ source files.
320 $1/%.o
: %.
cpp $1/%.d
$1/cxxflags.txt
$1/compiler.txt |
$(BEGIN
)
322 @
$$(SILENT
) || printf
"$$(MSG_COMPILING_CXX) $$<" |
$$(AWK_CMD
)
323 $$(eval CMD
=$$(CC
) -c
$$($1_CXXFLAGS) $$(GENDEPFLAGS
) $$< -o
$$@
&& $$(MOVE_DEP
))
326 $1/%.o
: %.
cc $1/%.d
$1/cxxflags.txt
$1/compiler.txt |
$(BEGIN
)
328 @
$$(SILENT
) || printf
"$$(MSG_COMPILING_CXX) $$<" |
$$(AWK_CMD
)
329 $$(eval CMD
=$$(CC
) -c
$$($1_CXXFLAGS) $$(GENDEPFLAGS
) $$< -o
$$@
&& $$(MOVE_DEP
))
332 # Assemble: create object files from assembler source files.
333 $1/%.o
: %.S
$1/asflags.txt
$1/compiler.txt |
$(BEGIN
)
335 @
$(SILENT
) || printf
"$$(MSG_ASSEMBLING) $$<" |
$$(AWK_CMD
)
336 $$(eval CMD
=$$(CC
) -c
$$($1_ASFLAGS) $$< -o
$$@
)
341 @
$(SILENT
) || printf
"Archiving: $$<" |
$$(AWK_CMD
)
342 $$(eval CMD
=$$(AR
) rcs
$$@
$$<)
347 $1/cflags.txt
: $1/force
348 echo
'$$($1_CFLAGS)' | cmp
-s
- $$@ || echo
'$$($1_CFLAGS)' > $$@
350 $1/cxxflags.txt
: $1/force
351 echo
'$$($1_CXXFLAGS)' | cmp
-s
- $$@ || echo
'$$($1_CXXFLAGS)' > $$@
353 $1/asflags.txt
: $1/force
354 echo
'$$($1_ASFLAGS)' | cmp
-s
- $$@ || echo
'$$($1_ASFLAGS)' > $$@
356 $1/compiler.txt
: $1/force
357 $$(CC
) --version | cmp
-s
- $$@ ||
$$(CC
) --version
> $$@
360 .PRECIOUS
: $(MASTER_OUTPUT
)/obj.txt
361 $(MASTER_OUTPUT
)/obj.txt
: $(MASTER_OUTPUT
)/force
362 echo
'$(OBJ)' | cmp
-s
- $@ || echo
'$(OBJ)' > $@
364 .PRECIOUS
: $(MASTER_OUTPUT
)/ldflags.txt
365 $(MASTER_OUTPUT
)/ldflags.txt
: $(MASTER_OUTPUT
)/force
366 echo
'$(LDFLAGS)' | cmp
-s
- $@ || echo
'$(LDFLAGS)' > $@
369 # We have to use static rules for the .d files for some reason
370 DEPS
= $(patsubst %.o
,%.d
,$(patsubst %.a
,%.o
,$(OBJ
)))
373 # Empty rule to force recompilation if the .d file is missing
377 $(foreach OUTPUT
,$(OUTPUTS
),$(eval
$(call GEN_OBJRULE
,$(OUTPUT
))))
379 # Create preprocessed source for use in sending a bug report.
381 $(CC
) -E
-mmcu
=$(MCU
) $(CFLAGS
) $< -o
$@
383 # Target: clean project.
385 $(foreach OUTPUT
,$(OUTPUTS
), $(REMOVE
) -r
$(OUTPUT
) 2>/dev
/null
)
386 $(REMOVE
) $(BUILD_DIR
)/$(TARGET
).
*
394 for i in
$(OBJ
); do echo
$$i; done |
sort | xargs
$(SIZE
)
396 ifeq ($(findstring avr-gcc
,$(CC
)),avr-gcc
)
400 $(eval MAX_SIZE
=$(shell n
=`$(CC) -E -mmcu=$(MCU) $(CFLAGS) $(OPT_DEFS) tmk_core/common/avr/bootloader_size.c 2> /dev/null | sed -ne 's/\r//;/^#/n;/^AVR_SIZE:/,$${s/^AVR_SIZE: //;p;}'` && echo
$$(($$n)) || echo
0))
401 $(eval CURRENT_SIZE
=$(shell if
[ -f
$(BUILD_DIR
)/$(TARGET
).hex
]; then
$(SIZE
) --target
=$(FORMAT
) $(BUILD_DIR
)/$(TARGET
).hex |
$(AWK
) 'NR==2 {print $$4}'; else printf
0; fi
))
402 $(eval FREE_SIZE
=$(shell expr
$(MAX_SIZE
) - $(CURRENT_SIZE
)))
403 $(eval OVER_SIZE
=$(shell expr
$(CURRENT_SIZE
) - $(MAX_SIZE
)))
404 $(eval PERCENT_SIZE
=$(shell expr
$(CURRENT_SIZE
) \
* 100 / $(MAX_SIZE
)))
405 if
[ $(MAX_SIZE
) -gt
0 ] && [ $(CURRENT_SIZE
) -gt
0 ]; then \
406 $(SILENT
) || printf
"$(MSG_CHECK_FILESIZE)" |
$(AWK_CMD
); \
407 if
[ $(CURRENT_SIZE
) -gt
$(MAX_SIZE
) ]; then \
408 printf
"\n * $(MSG_FILE_TOO_BIG)"; $(PRINT_ERROR_PLAIN
); \
410 if
[ $(FREE_SIZE
) -lt
$(SIZE_MARGIN
) ]; then \
411 $(PRINT_WARNING_PLAIN
); printf
" * $(MSG_FILE_NEAR_LIMIT)"; \
413 $(PRINT_OK
); $(SILENT
) || printf
" * $(MSG_FILE_JUST_RIGHT)"; \
419 $(SILENT
) || echo
"(Firmware size check does not yet support $(MCU) microprocessors; skipping.)"
422 # Create build directory
423 $(shell mkdir
-p
$(BUILD_DIR
) 2>/dev
/null
)
425 # Create object files directory
426 $(eval
$(foreach OUTPUT
,$(OUTPUTS
),$(shell mkdir
-p
$(OUTPUT
) 2>/dev
/null
)))
428 # Include the dependency files.
429 -include $(patsubst %.o
,%.d
,$(patsubst %.a
,%.o
,$(OBJ
)))
432 # Listing of phony targets.
433 .PHONY
: all finish sizebefore sizeafter qmkversion \
434 gccversion build elf hex eep lss sym coff extcoff \
435 clean clean_list debug gdb-config show_path \
436 program teensy dfu flip dfu-ee flip-ee dfu-start \
437 flash dfu-split-left dfu-split-right \
438 avrdude-split-left avrdude-split-right \