tmk_core/rules.mk

   1 # Hey Emacs, this is a -*- makefile -*-
   2 #----------------------------------------------------------------------------
   3 # WinAVR Makefile Template written by Eric B. Weddington, Jg Wunsch, et al.
   4 #
   5 # Released to the Public Domain
   6 #
   7 # Additional material for this makefile was written by:
   8 # Peter Fleury
   9 # Tim Henigan
  10 # Colin O'Flynn
  11 # Reiner Patommel
  12 # Markus Pfaff
  13 # Sander Pool
  14 # Frederik Rouleau
  15 # Carlos Lamas
  16 #
  17
  18 # Enable vpath seraching for source files only
  19 # Without this, output files, could be read from the wrong .build directories
  20 VPATH_SRC := $(VPATH)
  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)
  27 VPATH :=
  28
  29 # Convert all SRC to OBJ
  30 define OBJ_FROM_SRC
  31 $(patsubst %.c,$1/%.o,$(patsubst %.cpp,$1/%.o,$(patsubst %.cc,$1/%.o,$(patsubst %.S,$1/%.o,$(patsubst %.clib,$1/%.a,$($1_SRC))))))
  32 endef
  33 $(foreach OUTPUT,$(OUTPUTS),$(eval $(OUTPUT)_OBJ +=$(call OBJ_FROM_SRC,$(OUTPUT))))
  34
  35 # Define a list of all objects
  36 OBJ := $(foreach OUTPUT,$(OUTPUTS),$($(OUTPUT)_OBJ))
  37 NO_LTO_OBJ := $(filter %.a,$(OBJ))
  38
  39 MASTER_OUTPUT := $(firstword $(OUTPUTS))
  40
  41
  42
  43 # Output format. (can be srec, ihex, binary)
  44 FORMAT = ihex
  45
  46 # Optimization level, can be [0, 1, 2, 3, s].
  47 #     0 = turn off optimization. s = optimize for size.
  48 #     (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
  49 OPT = s
  50
  51 # Compiler flag to set the C Standard level.
  52 #     c89   = "ANSI" C
  53 #     gnu89 = c89 plus GCC extensions
  54 #     c99   = ISO C99 standard (not yet fully implemented)
  55 #     gnu99 = c99 plus GCC extensions
  56 CSTANDARD = -std=gnu99
  57
  58
  59 # Place -D or -U options here for C sources
  60 #CDEFS +=
  61
  62
  63 # Place -D or -U options here for ASM sources
  64 #ADEFS +=
  65
  66
  67 # Place -D or -U options here for C++ sources
  68 #CPPDEFS += -D__STDC_LIMIT_MACROS
  69 #CPPDEFS += -D__STDC_CONSTANT_MACROS
  70 #CPPDEFS +=
  71
  72
  73
  74
  75 #---------------- Compiler Options C ----------------
  76 #  -g*:          generate debugging information
  77 #  -O*:          optimization level
  78 #  -f...:        tuning, see GCC manual and avr-libc documentation
  79 #  -Wall...:     warning level
  80 #  -Wa,...:      tell GCC to pass this to the assembler.
  81 #    -adhlns...: create assembler listing
  82 ifndef SKIP_DEBUG_INFO
  83   CFLAGS += -g$(DEBUG)
  84 endif
  85 CFLAGS += $(CDEFS)
  86 CFLAGS += -O$(OPT)
  87 # add color
  88 ifeq ($(COLOR),true)
  89 ifeq ("$(shell echo "int main(){}" | $(CC) -fdiagnostics-color -x c - -o /dev/null 2>&1)", "")
  90         CFLAGS+= -fdiagnostics-color
  91 endif
  92 endif
  93 CFLAGS += -Wall
  94 CFLAGS += -Wstrict-prototypes
  95 ifneq ($(strip $(ALLOW_WARNINGS)), yes)
  96     CFLAGS += -Werror
  97 endif
  98 #CFLAGS += -mshort-calls
  99 #CFLAGS += -fno-unit-at-a-time
 100 #CFLAGS += -Wundef
 101 #CFLAGS += -Wunreachable-code
 102 #CFLAGS += -Wsign-compare
 103 CFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
 104 CFLAGS += $(CSTANDARD)
 105
 106 #---------------- Compiler Options C++ ----------------
 107 #  -g*:          generate debugging information
 108 #  -O*:          optimization level
 109 #  -f...:        tuning, see GCC manual and avr-libc documentation
 110 #  -Wall...:     warning level
 111 #  -Wa,...:      tell GCC to pass this to the assembler.
 112 #    -adhlns...: create assembler listing
 113 ifndef SKIP_DEBUG_INFO
 114   CPPFLAGS += -g$(DEBUG)
 115 endif
 116 CPPFLAGS += $(CPPDEFS)
 117 CPPFLAGS += -O$(OPT)
 118 # to supress "warning: only initialized variables can be placed into program memory area"
 119 CPPFLAGS += -w
 120 CPPFLAGS += -Wall
 121 CPPFLAGS += -Wundef
 122 ifneq ($(strip $(ALLOW_WARNINGS)), yes)
 123     CPPFLAGS += -Werror
 124 endif
 125 #CPPFLAGS += -mshort-calls
 126 #CPPFLAGS += -fno-unit-at-a-time
 127 #CPPFLAGS += -Wstrict-prototypes
 128 #CPPFLAGS += -Wunreachable-code
 129 #CPPFLAGS += -Wsign-compare
 130 CPPFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
 131 #CPPFLAGS += $(CSTANDARD)
 132
 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.
 142 ASFLAGS += $(ADEFS)
 143 ifndef SKIP_DEBUG_INFO
 144   ASFLAGS += -Wa,-adhlns=$(@:%.o=%.lst),-gstabs,--listing-cont-lines=100
 145 else
 146   ASFLAGS += -Wa,-adhlns=$(@:%.o=%.lst),--listing-cont-lines=100
 147 endif
 148
 149 #---------------- Library Options ----------------
 150 # Minimalistic printf version
 151 PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
 152
 153 # Floating point printf version (requires MATH_LIB = -lm below)
 154 PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
 155
 156 # If this is left blank, then it will use the Standard printf version.
 157 PRINTF_LIB =
 158 #PRINTF_LIB = $(PRINTF_LIB_MIN)
 159 #PRINTF_LIB = $(PRINTF_LIB_FLOAT)
 160
 161
 162 # Minimalistic scanf version
 163 SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
 164
 165 # Floating point + %[ scanf version (requires MATH_LIB = -lm below)
 166 SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
 167
 168 # If this is left blank, then it will use the Standard scanf version.
 169 SCANF_LIB =
 170 #SCANF_LIB = $(SCANF_LIB_MIN)
 171 #SCANF_LIB = $(SCANF_LIB_FLOAT)
 172
 173
 174 MATH_LIB = -lm
 175 CREATE_MAP ?= yes
 176
 177
 178 #---------------- Linker Options ----------------
 179 #  -Wl,...:     tell GCC to pass this to linker.
 180 #    -Map:      create map file
 181 #    --cref:    add cross reference to  map file
 182 #
 183 # Comennt out "--relax" option to avoid a error such:
 184 #       (.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
 185 #
 186
 187 ifeq ($(CREATE_MAP),yes)
 188         LDFLAGS += -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref
 189 endif
 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)
 197
 198 # Define programs and commands.
 199 SHELL = sh
 200 REMOVE = rm -f
 201 REMOVEDIR = rmdir
 202 COPY = cp
 203 WINSHELL = cmd
 204 SECHO = $(SILENT) || echo
 205
 206
 207 # Compiler flags to generate dependency files.
 208 #GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
 209 GENDEPFLAGS = -MMD -MP -MF $(patsubst %.o,%.td,$@)
 210
 211
 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_CPPFLAGS = $(MCUFLAGS) -x c++ $(CPPFLAGS) $(EXTRAFLAGS)
 217 ALL_ASFLAGS = $(MCUFLAGS) -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS)
 218
 219 define NO_LTO
 220 $(patsubst %.a,%.o,$1): NOLTO_CFLAGS += -fno-lto
 221 endef
 222 $(foreach LOBJ, $(NO_LTO_OBJ), $(eval $(call NO_LTO,$(LOBJ))))
 223
 224 MOVE_DEP = mv -f $(patsubst %.o,%.td,$@) $(patsubst %.o,%.d,$@)
 225
 226
 227 elf: $(BUILD_DIR)/$(TARGET).elf
 228 hex: $(BUILD_DIR)/$(TARGET).hex
 229 cpfirmware: $(FIRMWARE_FORMAT)
 230         $(SILENT) || printf "Copying $(TARGET).$(FIRMWARE_FORMAT) to qmk_firmware folder" | $(AWK_CMD)
 231         $(COPY) $(BUILD_DIR)/$(TARGET).$(FIRMWARE_FORMAT) $(TARGET).$(FIRMWARE_FORMAT) && $(PRINT_OK)
 232 eep: $(BUILD_DIR)/$(TARGET).eep
 233 lss: $(BUILD_DIR)/$(TARGET).lss
 234 sym: $(BUILD_DIR)/$(TARGET).sym
 235 LIBNAME=lib$(TARGET).a
 236 lib: $(LIBNAME)
 237
 238 # Display size of file.
 239 HEXSIZE = $(SIZE) --target=$(FORMAT) $(BUILD_DIR)/$(TARGET).hex
 240 #ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 241 ELFSIZE = $(SIZE) $(BUILD_DIR)/$(TARGET).elf
 242
 243 sizebefore:
 244         @if test -f $(BUILD_DIR)/$(TARGET).hex; then $(SECHO) $(MSG_SIZE_BEFORE); $(SILENT) || $(HEXSIZE); \
 245         2>/dev/null; $(SECHO); fi
 246
 247 sizeafter: $(BUILD_DIR)/$(TARGET).hex
 248         @if test -f $(BUILD_DIR)/$(TARGET).hex; then $(SECHO); $(SECHO) $(MSG_SIZE_AFTER); $(SILENT) || $(HEXSIZE); \
 249         2>/dev/null; $(SECHO); fi
 250
 251 # Display compiler version information.
 252 gccversion :
 253         @$(SILENT) || $(CC) --version
 254
 255 # Create final output files (.hex, .eep) from ELF output file.
 256 %.hex: %.elf
 257         @$(SILENT) || printf "$(MSG_FLASH) $@" | $(AWK_CMD)
 258         $(eval CMD=$(HEX) $< $@)
 259         @$(BUILD_CMD)
 260
 261 %.eep: %.elf
 262         @$(SILENT) || printf "$(MSG_EEPROM) $@" | $(AWK_CMD)
 263         $(eval CMD=$(EEP) $< $@ || exit 0)
 264         @$(BUILD_CMD)
 265
 266 # Create extended listing file from ELF output file.
 267 %.lss: %.elf
 268         @$(SILENT) || printf "$(MSG_EXTENDED_LISTING) $@" | $(AWK_CMD)
 269         $(eval CMD=$(OBJDUMP) -h -S -z $< > $@)
 270         @$(BUILD_CMD)
 271
 272 # Create a symbol table from ELF output file.
 273 %.sym: %.elf
 274         @$(SILENT) || printf "$(MSG_SYMBOL_TABLE) $@" | $(AWK_CMD)
 275         $(eval CMD=$(NM) -n $< > $@ )
 276         @$(BUILD_CMD)
 277
 278 %.bin: %.elf
 279         @$(SILENT) || printf "$(MSG_BIN) $@" | $(AWK_CMD)
 280         $(eval CMD=$(BIN) $< $@ || exit 0)
 281         @$(BUILD_CMD)
 282
 283 BEGIN = gccversion sizebefore
 284
 285 # Link: create ELF output file from object files.
 286 .SECONDARY : $(BUILD_DIR)/$(TARGET).elf
 287 .PRECIOUS : $(OBJ)
 288 # Note the obj.txt depeendency is there to force linking if a source file is deleted
 289 %.elf: $(OBJ) $(MASTER_OUTPUT)/cflags.txt $(MASTER_OUTPUT)/ldflags.txt $(MASTER_OUTPUT)/obj.txt | $(BEGIN)
 290         @$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD)
 291         $(eval CMD=$(CC) $(ALL_CFLAGS) $(filter-out %.txt,$^) --output $@ $(LDFLAGS))
 292         @$(BUILD_CMD)
 293
 294
 295 define GEN_OBJRULE
 296 $1_INCFLAGS := $$(patsubst %,-I%,$$($1_INC))
 297 ifdef $1_CONFIG
 298 $1_CONFIG_FLAGS += $$(patsubst %,-include %,$$($1_CONFIG))
 299 endif
 300 $1_CFLAGS = $$(ALL_CFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS) $$(NOLTO_CFLAGS)
 301 $1_CPPFLAGS= $$(ALL_CPPFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS) $$(NOLTO_CFLAGS)
 302 $1_ASFLAGS= $$(ALL_ASFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS)
 303
 304 # Compile: create object files from C source files.
 305 $1/%.o : %.c $1/%.d $1/cflags.txt $1/compiler.txt | $(BEGIN)
 306         @mkdir -p $$(@D)
 307         @$$(SILENT) || printf "$$(MSG_COMPILING) $$<" | $$(AWK_CMD)
 308         $$(eval CMD := $$(CC) -c $$($1_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
 309         @$$(BUILD_CMD)
 310
 311 # Compile: create object files from C++ source files.
 312 $1/%.o : %.cpp $1/%.d $1/cppflags.txt $1/compiler.txt | $(BEGIN)
 313         @mkdir -p $$(@D)
 314         @$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD)
 315         $$(eval CMD=$$(CC) -c $$($1_CPPFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
 316         @$$(BUILD_CMD)
 317
 318 $1/%.o : %.cc $1/%.d $1/cppflags.txt $1/compiler.txt | $(BEGIN)
 319         @mkdir -p $$(@D)
 320         @$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD)
 321         $$(eval CMD=$$(CC) -c $$($1_CPPFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
 322         @$$(BUILD_CMD)
 323
 324 # Assemble: create object files from assembler source files.
 325 $1/%.o : %.S $1/asflags.txt $1/compiler.txt | $(BEGIN)
 326         @mkdir -p $$(@D)
 327         @$(SILENT) || printf "$$(MSG_ASSEMBLING) $$<" | $$(AWK_CMD)
 328         $$(eval CMD=$$(CC) -c $$($1_ASFLAGS) $$< -o $$@)
 329         @$$(BUILD_CMD)
 330
 331 $1/%.a : $1/%.o
 332         @mkdir -p $$(@D)
 333         @$(SILENT) || printf "Archiving: $$<" | $$(AWK_CMD)
 334         $$(eval CMD=$$(AR) rcs $$@ $$<)
 335         @$$(BUILD_CMD)
 336
 337 $1/force:
 338
 339 $1/cflags.txt: $1/force
 340         echo '$$($1_CFLAGS)' | cmp -s - $$@ || echo '$$($1_CFLAGS)' > $$@
 341
 342 $1/cppflags.txt: $1/force
 343         echo '$$($1_CPPFLAGS)' | cmp -s - $$@ || echo '$$($1_CPPFLAGS)' > $$@
 344
 345 $1/asflags.txt: $1/force
 346         echo '$$($1_ASFLAGS)' | cmp -s - $$@ || echo '$$($1_ASFLAGS)' > $$@
 347
 348 $1/compiler.txt: $1/force
 349         $$(CC) --version | cmp -s - $$@ || $$(CC) --version > $$@
 350 endef
 351
 352 .PRECIOUS: $(MASTER_OUTPUT)/obj.txt
 353 $(MASTER_OUTPUT)/obj.txt: $(MASTER_OUTPUT)/force
 354         echo '$(OBJ)' | cmp -s - $@ || echo '$(OBJ)' > $@
 355
 356 .PRECIOUS: $(MASTER_OUTPUT)/ldflags.txt
 357 $(MASTER_OUTPUT)/ldflags.txt: $(MASTER_OUTPUT)/force
 358         echo '$(LDFLAGS)' | cmp -s - $@ || echo '$(LDFLAGS)' > $@
 359
 360
 361 # We have to use static rules for the .d files for some reason
 362 DEPS = $(patsubst %.o,%.d,$(patsubst %.a,%.o,$(OBJ)))
 363 # Keep the .d files
 364 .PRECIOUS: $(DEPS)
 365 # Empty rule to force recompilation if the .d file is missing
 366 $(DEPS):
 367
 368
 369 $(foreach OUTPUT,$(OUTPUTS),$(eval $(call GEN_OBJRULE,$(OUTPUT))))
 370
 371 # Create preprocessed source for use in sending a bug report.
 372 %.i : %.c | $(BEGIN)
 373         $(CC) -E -mmcu=$(MCU) $(CFLAGS) $< -o $@
 374
 375 # Target: clean project.
 376 clean:
 377         $(foreach OUTPUT,$(OUTPUTS), $(REMOVE) -r $(OUTPUT) 2>/dev/null)
 378         $(REMOVE) $(BUILD_DIR)/$(TARGET).*
 379
 380 show_path:
 381         @echo VPATH=$(VPATH)
 382         @echo SRC=$(SRC)
 383         @echo OBJ=$(OBJ)
 384
 385 ifeq ($(findstring avr-gcc,$(CC)),avr-gcc)
 386 SIZE_MARGIN = 1024
 387
 388 check-size:
 389         $(eval MAX_SIZE=$(shell n=`$(CC) -E -mmcu=$(MCU) $(CFLAGS) $(OPT_DEFS) tmk_core/common/avr/bootloader_size.c 2> /dev/null | sed -ne '/^#/n;/^AVR_SIZE:/,$${s/^AVR_SIZE: //;p;}'` && echo $$(($$n)) || echo 0))
 390         $(eval CURRENT_SIZE=$(shell if [ -f $(BUILD_DIR)/$(TARGET).hex ]; then $(SIZE) --target=$(FORMAT) $(BUILD_DIR)/$(TARGET).hex | $(AWK) 'NR==2 {print $$4}'; else printf 0; fi))
 391         $(eval FREE_SIZE=$(shell expr $(MAX_SIZE) - $(CURRENT_SIZE)))
 392         $(eval OVER_SIZE=$(shell expr $(CURRENT_SIZE) - $(MAX_SIZE)))
 393         if [ $(MAX_SIZE) -gt 0 ] && [ $(CURRENT_SIZE) -gt 0 ]; then \
 394                 $(SILENT) || printf "$(MSG_CHECK_FILESIZE)" | $(AWK_CMD); \
 395                 if [ $(CURRENT_SIZE) -gt $(MAX_SIZE) ]; then \
 396                     printf "\n * $(MSG_FILE_TOO_BIG)"; $(PRINT_ERROR_PLAIN); \
 397                 else \
 398                     if [ $(FREE_SIZE) -lt $(SIZE_MARGIN) ]; then \
 399                         $(PRINT_WARNING_PLAIN); printf " * $(MSG_FILE_NEAR_LIMIT)"; \
 400                     else \
 401                         $(PRINT_OK); $(SILENT) || printf " * $(MSG_FILE_JUST_RIGHT)"; \
 402                     fi \
 403                 fi \
 404         fi
 405 else
 406 check-size:
 407         echo "(Firmware size check does not yet support $(MCU) microprocessors; skipping.)"
 408 endif
 409
 410 # Create build directory
 411 $(shell mkdir -p $(BUILD_DIR) 2>/dev/null)
 412
 413 # Create object files directory
 414 $(eval $(foreach OUTPUT,$(OUTPUTS),$(shell mkdir -p $(OUTPUT) 2>/dev/null)))
 415
 416 # Include the dependency files.
 417 -include $(patsubst %.o,%.d,$(patsubst %.a,%.o,$(OBJ)))
 418
 419
 420 # Listing of phony targets.
 421 .PHONY : all finish sizebefore sizeafter qmkversion \
 422 gccversion build elf hex eep lss sym coff extcoff \
 423 clean clean_list debug gdb-config show_path \
 424 program teensy dfu flip dfu-ee flip-ee dfu-start