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