Makefile.rules

   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 # On command line:
  19 #
  20 # make all = Make software.
  21 #
  22 # make clean = Clean out built project files.
  23 #
  24 # make coff = Convert ELF to AVR COFF.
  25 #
  26 # make extcoff = Convert ELF to AVR Extended COFF.
  27 #
  28 # make program = Download the hex file to the device, using avrdude.
  29 #                Please customize the avrdude settings below first!
  30 #
  31 # make debug = Start either simulavr or avarice as specified for debugging,
  32 #              with avr-gdb or avr-insight as the front end for debugging.
  33 #
  34 # make filename.s = Just compile filename.c into the assembler code only.
  35 #
  36 # make filename.i = Create a preprocessed source file for use in submitting
  37 #                   bug reports to the GCC project.
  38 #
  39 # To rebuild project do "make clean" then "make all".
  40 #----------------------------------------------------------------------------
  41
  42
  43 # Output format. (can be srec, ihex, binary)
  44 FORMAT = ihex
  45
  46
  47 # Object files directory
  48 #     To put object files in current directory, use a dot (.), do NOT make
  49 #     this an empty or blank macro!
  50 OBJDIR = obj
  51
  52
  53 # Optimization level, can be [0, 1, 2, 3, s].
  54 #     0 = turn off optimization. s = optimize for size.
  55 #     (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
  56 OPT = s
  57
  58
  59 # Debugging format.
  60 #     Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
  61 #     AVR Studio 4.10 requires dwarf-2.
  62 #     AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
  63 DEBUG = dwarf-2
  64
  65
  66 # List any extra directories to look for include files here.
  67 #     Each directory must be seperated by a space.
  68 #     Use forward slashes for directory separators.
  69 #     For a directory that has spaces, enclose it in quotes.
  70 EXTRAINCDIRS = $(subst :, ,$(VPATH))
  71
  72
  73 # Compiler flag to set the C Standard level.
  74 #     c89   = "ANSI" C
  75 #     gnu89 = c89 plus GCC extensions
  76 #     c99   = ISO C99 standard (not yet fully implemented)
  77 #     gnu99 = c99 plus GCC extensions
  78 CSTANDARD = -std=gnu99
  79
  80
  81 ifdef MOUSEKEY_ENABLE
  82     OPT_DEFS += -DMOUSEKEY_ENABLE
  83 endif
  84 ifdef PS2_MOUSE_ENABLE
  85     OPT_DEFS += -DPS2_MOUSE_ENABLE
  86 endif
  87 ifdef USB_EXTRA_ENABLE
  88     OPT_DEFS += -DUSB_EXTRA_ENABLE
  89 endif
  90 ifdef USB_NKRO_ENABLE
  91     OPT_DEFS += -DUSB_NKRO_ENABLE
  92 endif
  93 ifdef $(or MOUSEKEY_ENABLE, PS2_MOUSE_ENABLE)
  94     OPT_DEFS += -DUSB_MOUSE_ENABLE
  95 endif
  96
  97 # Place -D or -U options here for C sources
  98 CDEFS = -DF_CPU=$(F_CPU)UL
  99 CDEFS += $(OPT_DEFS)
 100
 101
 102 # Place -D or -U options here for ASM sources
 103 ADEFS = -DF_CPU=$(F_CPU)
 104 ADEFS += $(OPT_DEFS)
 105
 106
 107 # Place -D or -U options here for C++ sources
 108 CPPDEFS = -DF_CPU=$(F_CPU)UL
 109 #CPPDEFS += -D__STDC_LIMIT_MACROS
 110 #CPPDEFS += -D__STDC_CONSTANT_MACROS
 111 CPPDEFS += $(OPT_DEFS)
 112
 113
 114
 115 #---------------- Compiler Options C ----------------
 116 #  -g*:          generate debugging information
 117 #  -O*:          optimization level
 118 #  -f...:        tuning, see GCC manual and avr-libc documentation
 119 #  -Wall...:     warning level
 120 #  -Wa,...:      tell GCC to pass this to the assembler.
 121 #    -adhlns...: create assembler listing
 122 CFLAGS = -g$(DEBUG)
 123 CFLAGS += $(CDEFS)
 124 CFLAGS += -O$(OPT)
 125 CFLAGS += -funsigned-char
 126 CFLAGS += -funsigned-bitfields
 127 CFLAGS += -ffunction-sections
 128 CFLAGS += -fpack-struct
 129 CFLAGS += -fshort-enums
 130 CFLAGS += -Wall
 131 CFLAGS += -Wstrict-prototypes
 132 #CFLAGS += -mshort-calls
 133 #CFLAGS += -fno-unit-at-a-time
 134 #CFLAGS += -Wundef
 135 #CFLAGS += -Wunreachable-code
 136 #CFLAGS += -Wsign-compare
 137 CFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
 138 CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
 139 CFLAGS += $(CSTANDARD)
 140 CFLAGS += -include config.h
 141
 142
 143 #---------------- Compiler Options C++ ----------------
 144 #  -g*:          generate debugging information
 145 #  -O*:          optimization level
 146 #  -f...:        tuning, see GCC manual and avr-libc documentation
 147 #  -Wall...:     warning level
 148 #  -Wa,...:      tell GCC to pass this to the assembler.
 149 #    -adhlns...: create assembler listing
 150 CPPFLAGS = -g$(DEBUG)
 151 CPPFLAGS += $(CPPDEFS)
 152 CPPFLAGS += -O$(OPT)
 153 CPPFLAGS += -funsigned-char
 154 CPPFLAGS += -funsigned-bitfields
 155 CPPFLAGS += -fpack-struct
 156 CPPFLAGS += -fshort-enums
 157 CPPFLAGS += -fno-exceptions
 158 CPPFLAGS += -Wall
 159 CPPFLAGS += -Wundef
 160 #CPPFLAGS += -mshort-calls
 161 #CPPFLAGS += -fno-unit-at-a-time
 162 #CPPFLAGS += -Wstrict-prototypes
 163 #CPPFLAGS += -Wunreachable-code
 164 #CPPFLAGS += -Wsign-compare
 165 CPPFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
 166 CPPFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
 167 #CPPFLAGS += $(CSTANDARD)
 168 CPPFLAGS += -include config.h
 169
 170
 171 #---------------- Assembler Options ----------------
 172 #  -Wa,...:   tell GCC to pass this to the assembler.
 173 #  -adhlns:   create listing
 174 #  -gstabs:   have the assembler create line number information; note that
 175 #             for use in COFF files, additional information about filenames
 176 #             and function names needs to be present in the assembler source
 177 #             files -- see avr-libc docs [FIXME: not yet described there]
 178 #  -listing-cont-lines: Sets the maximum number of continuation lines of hex
 179 #       dump that will be displayed for a given single line of source input.
 180 ASFLAGS = $(ADEFS) -Wa,-adhlns=$(@:%.o=%.lst),-gstabs,--listing-cont-lines=100
 181 ASFLAGS += -include config.h
 182
 183
 184 #---------------- Library Options ----------------
 185 # Minimalistic printf version
 186 PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
 187
 188 # Floating point printf version (requires MATH_LIB = -lm below)
 189 PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
 190
 191 # If this is left blank, then it will use the Standard printf version.
 192 PRINTF_LIB =
 193 #PRINTF_LIB = $(PRINTF_LIB_MIN)
 194 #PRINTF_LIB = $(PRINTF_LIB_FLOAT)
 195
 196
 197 # Minimalistic scanf version
 198 SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
 199
 200 # Floating point + %[ scanf version (requires MATH_LIB = -lm below)
 201 SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
 202
 203 # If this is left blank, then it will use the Standard scanf version.
 204 SCANF_LIB =
 205 #SCANF_LIB = $(SCANF_LIB_MIN)
 206 #SCANF_LIB = $(SCANF_LIB_FLOAT)
 207
 208
 209 MATH_LIB = -lm
 210
 211
 212 # List any extra directories to look for libraries here.
 213 #     Each directory must be seperated by a space.
 214 #     Use forward slashes for directory separators.
 215 #     For a directory that has spaces, enclose it in quotes.
 216 EXTRALIBDIRS =
 217
 218
 219
 220 #---------------- External Memory Options ----------------
 221
 222 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
 223 # used for variables (.data/.bss) and heap (malloc()).
 224 #EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
 225
 226 # 64 KB of external RAM, starting after internal RAM (ATmega128!),
 227 # only used for heap (malloc()).
 228 #EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
 229
 230 EXTMEMOPTS =
 231
 232
 233
 234 #---------------- Linker Options ----------------
 235 #  -Wl,...:     tell GCC to pass this to linker.
 236 #    -Map:      create map file
 237 #    --cref:    add cross reference to  map file
 238 #
 239 # Comennt out "--relax" option to avoid a error such:
 240 #       (.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
 241 #
 242 LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
 243 LDFLAGS += -Wl,--relax
 244 LDFLAGS += -Wl,--gc-sections
 245 LDFLAGS += $(EXTMEMOPTS)
 246 LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
 247 LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
 248 #LDFLAGS += -T linker_script.x
 249
 250
 251
 252 #---------------- Programming Options (avrdude) ----------------
 253
 254 # Programming hardware
 255 # Type: avrdude -c ?
 256 # to get a full listing.
 257 #
 258 AVRDUDE_PROGRAMMER = stk500v2
 259
 260 # com1 = serial port. Use lpt1 to connect to parallel port.
 261 AVRDUDE_PORT = com1    # programmer connected to serial device
 262
 263 AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
 264 #AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
 265
 266
 267 # Uncomment the following if you want avrdude's erase cycle counter.
 268 # Note that this counter needs to be initialized first using -Yn,
 269 # see avrdude manual.
 270 #AVRDUDE_ERASE_COUNTER = -y
 271
 272 # Uncomment the following if you do /not/ wish a verification to be
 273 # performed after programming the device.
 274 #AVRDUDE_NO_VERIFY = -V
 275
 276 # Increase verbosity level.  Please use this when submitting bug
 277 # reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
 278 # to submit bug reports.
 279 #AVRDUDE_VERBOSE = -v -v
 280
 281 AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
 282 AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
 283 AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
 284 AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
 285
 286
 287
 288 #---------------- Debugging Options ----------------
 289
 290 # For simulavr only - target MCU frequency.
 291 DEBUG_MFREQ = $(F_CPU)
 292
 293 # Set the DEBUG_UI to either gdb or insight.
 294 # DEBUG_UI = gdb
 295 DEBUG_UI = insight
 296
 297 # Set the debugging back-end to either avarice, simulavr.
 298 DEBUG_BACKEND = avarice
 299 #DEBUG_BACKEND = simulavr
 300
 301 # GDB Init Filename.
 302 GDBINIT_FILE = __avr_gdbinit
 303
 304 # When using avarice settings for the JTAG
 305 JTAG_DEV = /dev/com1
 306
 307 # Debugging port used to communicate between GDB / avarice / simulavr.
 308 DEBUG_PORT = 4242
 309
 310 # Debugging host used to communicate between GDB / avarice / simulavr, normally
 311 #     just set to localhost unless doing some sort of crazy debugging when
 312 #     avarice is running on a different computer.
 313 DEBUG_HOST = localhost
 314
 315
 316
 317 #============================================================================
 318
 319
 320 # Define programs and commands.
 321 SHELL = sh
 322 CC = avr-gcc
 323 OBJCOPY = avr-objcopy
 324 OBJDUMP = avr-objdump
 325 SIZE = avr-size
 326 AR = avr-ar rcs
 327 NM = avr-nm
 328 AVRDUDE = avrdude
 329 REMOVE = rm -f
 330 REMOVEDIR = rmdir
 331 COPY = cp
 332 WINSHELL = cmd
 333
 334
 335 # Define Messages
 336 # English
 337 MSG_ERRORS_NONE = Errors: none
 338 MSG_BEGIN = -------- begin --------
 339 MSG_END = --------  end  --------
 340 MSG_SIZE_BEFORE = Size before:
 341 MSG_SIZE_AFTER = Size after:
 342 MSG_COFF = Converting to AVR COFF:
 343 MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
 344 MSG_FLASH = Creating load file for Flash:
 345 MSG_EEPROM = Creating load file for EEPROM:
 346 MSG_EXTENDED_LISTING = Creating Extended Listing:
 347 MSG_SYMBOL_TABLE = Creating Symbol Table:
 348 MSG_LINKING = Linking:
 349 MSG_COMPILING = Compiling C:
 350 MSG_COMPILING_CPP = Compiling C++:
 351 MSG_ASSEMBLING = Assembling:
 352 MSG_CLEANING = Cleaning project:
 353 MSG_CREATING_LIBRARY = Creating library:
 354
 355
 356
 357
 358 # Define all object files.
 359 OBJ = $(patsubst %.c,$(OBJDIR)/%.o,$(patsubst %.cpp,$(OBJDIR)/%.o,$(patsubst %.S,$(OBJDIR)/%.o,$(SRC))))
 360
 361 # Define all listing files.
 362 LST = $(patsubst %.c,$(OBJDIR)/%.lst,$(patsubst %.cpp,$(OBJDIR)/%.lst,$(patsubst %.S,$(OBJDIR)/%.lst,$(SRC))))
 363
 364
 365 # Compiler flags to generate dependency files.
 366 GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
 367
 368
 369 # Combine all necessary flags and optional flags.
 370 # Add target processor to flags.
 371 ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
 372 ALL_CPPFLAGS = -mmcu=$(MCU) -I. -x c++ $(CPPFLAGS) $(GENDEPFLAGS)
 373 ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
 374
 375
 376
 377
 378
 379 # Default target.
 380 all: begin gccversion sizebefore build sizeafter end
 381
 382 # Change the build target to build a HEX file or a library.
 383 build: elf hex eep lss sym
 384 #build: lib
 385
 386
 387 elf: $(TARGET).elf
 388 hex: $(TARGET).hex
 389 eep: $(TARGET).eep
 390 lss: $(TARGET).lss
 391 sym: $(TARGET).sym
 392 LIBNAME=lib$(TARGET).a
 393 lib: $(LIBNAME)
 394
 395
 396
 397 # Eye candy.
 398 # AVR Studio 3.x does not check make's exit code but relies on
 399 # the following magic strings to be generated by the compile job.
 400 begin:
 401         @echo
 402         @echo $(MSG_BEGIN)
 403
 404 end:
 405         @echo $(MSG_END)
 406         @echo
 407
 408
 409 # Display size of file.
 410 HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
 411 #ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
 412 ELFSIZE = $(SIZE) $(TARGET).elf
 413
 414 sizebefore:
 415         @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \
 416         2>/dev/null; echo; fi
 417
 418 sizeafter:
 419         @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \
 420         2>/dev/null; echo; fi
 421
 422
 423
 424 # Display compiler version information.
 425 gccversion :
 426         @$(CC) --version
 427
 428
 429
 430 # Program the device.
 431 program: $(TARGET).hex $(TARGET).eep
 432         $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
 433
 434
 435 # Generate avr-gdb config/init file which does the following:
 436 #     define the reset signal, load the target file, connect to target, and set
 437 #     a breakpoint at main().
 438 gdb-config:
 439         @$(REMOVE) $(GDBINIT_FILE)
 440         @echo define reset >> $(GDBINIT_FILE)
 441         @echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
 442         @echo end >> $(GDBINIT_FILE)
 443         @echo file $(TARGET).elf >> $(GDBINIT_FILE)
 444         @echo target remote $(DEBUG_HOST):$(DEBUG_PORT)  >> $(GDBINIT_FILE)
 445 ifeq ($(DEBUG_BACKEND),simulavr)
 446         @echo load  >> $(GDBINIT_FILE)
 447 endif
 448         @echo break main >> $(GDBINIT_FILE)
 449
 450 debug: gdb-config $(TARGET).elf
 451 ifeq ($(DEBUG_BACKEND), avarice)
 452         @echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
 453         @$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
 454         $(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
 455         @$(WINSHELL) /c pause
 456
 457 else
 458         @$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
 459         $(DEBUG_MFREQ) --port $(DEBUG_PORT)
 460 endif
 461         @$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
 462
 463
 464
 465
 466 # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
 467 COFFCONVERT = $(OBJCOPY) --debugging
 468 COFFCONVERT += --change-section-address .data-0x800000
 469 COFFCONVERT += --change-section-address .bss-0x800000
 470 COFFCONVERT += --change-section-address .noinit-0x800000
 471 COFFCONVERT += --change-section-address .eeprom-0x810000
 472
 473
 474
 475 coff: $(TARGET).elf
 476         @echo
 477         @echo $(MSG_COFF) $(TARGET).cof
 478         $(COFFCONVERT) -O coff-avr $< $(TARGET).cof
 479
 480
 481 extcoff: $(TARGET).elf
 482         @echo
 483         @echo $(MSG_EXTENDED_COFF) $(TARGET).cof
 484         $(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
 485
 486
 487
 488 # Create final output files (.hex, .eep) from ELF output file.
 489 %.hex: %.elf
 490         @echo
 491         @echo $(MSG_FLASH) $@
 492         $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature $< $@
 493
 494 %.eep: %.elf
 495         @echo
 496         @echo $(MSG_EEPROM) $@
 497         -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
 498         --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT) $< $@ || exit 0
 499
 500 # Create extended listing file from ELF output file.
 501 %.lss: %.elf
 502         @echo
 503         @echo $(MSG_EXTENDED_LISTING) $@
 504         $(OBJDUMP) -h -S -z $< > $@
 505
 506 # Create a symbol table from ELF output file.
 507 %.sym: %.elf
 508         @echo
 509         @echo $(MSG_SYMBOL_TABLE) $@
 510         $(NM) -n $< > $@
 511
 512
 513
 514 # Create library from object files.
 515 .SECONDARY : $(TARGET).a
 516 .PRECIOUS : $(OBJ)
 517 %.a: $(OBJ)
 518         @echo
 519         @echo $(MSG_CREATING_LIBRARY) $@
 520         $(AR) $@ $(OBJ)
 521
 522
 523 # Link: create ELF output file from object files.
 524 .SECONDARY : $(TARGET).elf
 525 .PRECIOUS : $(OBJ)
 526 %.elf: $(OBJ)
 527         @echo
 528         @echo $(MSG_LINKING) $@
 529         $(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS)
 530
 531
 532 # Compile: create object files from C source files.
 533 $(OBJDIR)/%.o : %.c
 534         @echo
 535         @echo $(MSG_COMPILING) $<
 536         $(CC) -c $(ALL_CFLAGS) $< -o $@
 537
 538
 539 # Compile: create object files from C++ source files.
 540 $(OBJDIR)/%.o : %.cpp
 541         @echo
 542         @echo $(MSG_COMPILING_CPP) $<
 543         $(CC) -c $(ALL_CPPFLAGS) $< -o $@
 544
 545
 546 # Compile: create assembler files from C source files.
 547 %.s : %.c
 548         $(CC) -S $(ALL_CFLAGS) $< -o $@
 549
 550
 551 # Compile: create assembler files from C++ source files.
 552 %.s : %.cpp
 553         $(CC) -S $(ALL_CPPFLAGS) $< -o $@
 554
 555
 556 # Assemble: create object files from assembler source files.
 557 $(OBJDIR)/%.o : %.S
 558         @echo
 559         @echo $(MSG_ASSEMBLING) $<
 560         $(CC) -c $(ALL_ASFLAGS) $< -o $@
 561
 562
 563 # Create preprocessed source for use in sending a bug report.
 564 %.i : %.c
 565         $(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@
 566
 567
 568 # Target: clean project.
 569 clean: begin clean_list end
 570
 571 clean_list :
 572         @echo
 573         $(REMOVE) $(TARGET).hex
 574         $(REMOVE) $(TARGET).eep
 575         $(REMOVE) $(TARGET).cof
 576         $(REMOVE) $(TARGET).elf
 577         $(REMOVE) $(TARGET).map
 578         $(REMOVE) $(TARGET).sym
 579         $(REMOVE) $(TARGET).lss
 580         $(REMOVE) $(OBJ)
 581         $(REMOVE) $(LST)
 582         $(REMOVE) $(OBJ:.o=.s)
 583         $(REMOVE) $(OBJ:.o=.i)
 584         $(REMOVE) -r .dep
 585         $(REMOVEDIR) $(OBJDIR)
 586
 587
 588 # Create object files directory
 589 $(shell mkdir $(OBJDIR) 2>/dev/null)
 590
 591
 592 # Include the dependency files.
 593 -include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)
 594
 595
 596 # Listing of phony targets.
 597 .PHONY : all begin finish end sizebefore sizeafter gccversion \
 598 build elf hex eep lss sym coff extcoff \
 599 clean clean_list program debug gdb-config
 600