mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-11-24 20:32:58 +00:00
380 lines
12 KiB
Makefile
380 lines
12 KiB
Makefile
# Hey Emacs, this is a -*- makefile -*-
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#----------------------------------------------------------------------------
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# WinAVR Makefile Template written by Eric B. Weddington, Jg Wunsch, et al.
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#
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# Released to the Public Domain
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#
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# Additional material for this makefile was written by:
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# Peter Fleury
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# Tim Henigan
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# Colin O'Flynn
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# Reiner Patommel
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# Markus Pfaff
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# Sander Pool
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# Frederik Rouleau
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# Carlos Lamas
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#
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# Enable vpath seraching for source files only
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# Without this, output files, could be read from the wrong .build directories
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VPATH_SRC := $(VPATH)
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vpath %.c $(VPATH_SRC)
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vpath %.h $(VPATH_SRC)
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vpath %.cpp $(VPATH_SRC)
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vpath %.cc $(VPATH_SRC)
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vpath %.hpp $(VPATH_SRC)
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vpath %.S $(VPATH_SRC)
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VPATH :=
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# Convert all SRC to OBJ
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define OBJ_FROM_SRC
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$(patsubst %.c,$1/%.o,$(patsubst %.cpp,$1/%.o,$(patsubst %.cc,$1/%.o,$(patsubst %.S,$1/%.o,$($1_SRC)))))
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endef
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$(foreach OUTPUT,$(OUTPUTS),$(eval $(OUTPUT)_OBJ +=$(call OBJ_FROM_SRC,$(OUTPUT))))
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# Define a list of all objects
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OBJ := $(foreach OUTPUT,$(OUTPUTS),$($(OUTPUT)_OBJ))
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MASTER_OUTPUT := $(firstword $(OUTPUTS))
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# Output format. (can be srec, ihex, binary)
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FORMAT = ihex
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# Optimization level, can be [0, 1, 2, 3, s].
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# 0 = turn off optimization. s = optimize for size.
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# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
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OPT = s
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AUTOGEN ?= false
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# Compiler flag to set the C Standard level.
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# c89 = "ANSI" C
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# gnu89 = c89 plus GCC extensions
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# c99 = ISO C99 standard (not yet fully implemented)
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# gnu99 = c99 plus GCC extensions
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CSTANDARD = -std=gnu99
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# Place -D or -U options here for C sources
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#CDEFS +=
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# Place -D or -U options here for ASM sources
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#ADEFS +=
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# Place -D or -U options here for C++ sources
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#CPPDEFS += -D__STDC_LIMIT_MACROS
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#CPPDEFS += -D__STDC_CONSTANT_MACROS
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#CPPDEFS +=
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#---------------- Compiler Options C ----------------
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# -g*: generate debugging information
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# -O*: optimization level
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# -f...: tuning, see GCC manual and avr-libc documentation
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# -Wall...: warning level
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# -Wa,...: tell GCC to pass this to the assembler.
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# -adhlns...: create assembler listing
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CFLAGS += -g$(DEBUG)
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CFLAGS += $(CDEFS)
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CFLAGS += -O$(OPT)
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# add color
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ifeq ($(COLOR),true)
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ifeq ("$(shell echo "int main(){}" | $(CC) -fdiagnostics-color -x c - -o /dev/null 2>&1)", "")
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CFLAGS+= -fdiagnostics-color
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endif
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endif
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CFLAGS += -Wall
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CFLAGS += -Wstrict-prototypes
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#CFLAGS += -mshort-calls
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#CFLAGS += -fno-unit-at-a-time
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#CFLAGS += -Wundef
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#CFLAGS += -Wunreachable-code
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#CFLAGS += -Wsign-compare
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CFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
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CFLAGS += $(CSTANDARD)
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#---------------- Compiler Options C++ ----------------
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# -g*: generate debugging information
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# -O*: optimization level
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# -f...: tuning, see GCC manual and avr-libc documentation
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# -Wall...: warning level
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# -Wa,...: tell GCC to pass this to the assembler.
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# -adhlns...: create assembler listing
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CPPFLAGS += -g$(DEBUG)
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CPPFLAGS += $(CPPDEFS)
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CPPFLAGS += -O$(OPT)
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# to supress "warning: only initialized variables can be placed into program memory area"
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CPPFLAGS += -w
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CPPFLAGS += -Wall
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CPPFLAGS += -Wundef
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#CPPFLAGS += -mshort-calls
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#CPPFLAGS += -fno-unit-at-a-time
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#CPPFLAGS += -Wstrict-prototypes
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#CPPFLAGS += -Wunreachable-code
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#CPPFLAGS += -Wsign-compare
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CPPFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
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#CPPFLAGS += $(CSTANDARD)
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#---------------- Assembler Options ----------------
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# -Wa,...: tell GCC to pass this to the assembler.
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# -adhlns: create listing
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# -gstabs: have the assembler create line number information; note that
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# for use in COFF files, additional information about filenames
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# and function names needs to be present in the assembler source
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# files -- see avr-libc docs [FIXME: not yet described there]
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# -listing-cont-lines: Sets the maximum number of continuation lines of hex
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# dump that will be displayed for a given single line of source input.
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ASFLAGS += $(ADEFS)
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ASFLAGS += -Wa,-adhlns=$(@:%.o=%.lst),-gstabs,--listing-cont-lines=100
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#---------------- Library Options ----------------
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# Minimalistic printf version
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PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
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# Floating point printf version (requires MATH_LIB = -lm below)
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PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
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# If this is left blank, then it will use the Standard printf version.
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PRINTF_LIB =
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#PRINTF_LIB = $(PRINTF_LIB_MIN)
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#PRINTF_LIB = $(PRINTF_LIB_FLOAT)
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# Minimalistic scanf version
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SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
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# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
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SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
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# If this is left blank, then it will use the Standard scanf version.
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SCANF_LIB =
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#SCANF_LIB = $(SCANF_LIB_MIN)
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#SCANF_LIB = $(SCANF_LIB_FLOAT)
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MATH_LIB = -lm
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CREATE_MAP ?= yes
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#---------------- Linker Options ----------------
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# -Wl,...: tell GCC to pass this to linker.
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# -Map: create map file
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# --cref: add cross reference to map file
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#
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# Comennt out "--relax" option to avoid a error such:
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# (.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
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#
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ifeq ($(CREATE_MAP),yes)
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LDFLAGS += -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref
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endif
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#LDFLAGS += -Wl,--relax
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LDFLAGS += $(EXTMEMOPTS)
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LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
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LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
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#LDFLAGS += -T linker_script.x
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# You can give EXTRALDFLAGS at 'make' command line.
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LDFLAGS += $(EXTRALDFLAGS)
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# Define programs and commands.
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SHELL = sh
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REMOVE = rm -f
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REMOVEDIR = rmdir
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COPY = cp
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WINSHELL = cmd
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SECHO = $(SILENT) || echo
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# Compiler flags to generate dependency files.
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#GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
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GENDEPFLAGS = -MMD -MP -MF $(patsubst %.o,%.td,$@)
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# Combine all necessary flags and optional flags.
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# Add target processor to flags.
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# You can give extra flags at 'make' command line like: make EXTRAFLAGS=-DFOO=bar
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ALL_CFLAGS = $(MCUFLAGS) $(CFLAGS) $(EXTRAFLAGS)
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ALL_CPPFLAGS = $(MCUFLAGS) -x c++ $(CPPFLAGS) $(EXTRAFLAGS)
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ALL_ASFLAGS = $(MCUFLAGS) -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS)
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MOVE_DEP = mv -f $(patsubst %.o,%.td,$@) $(patsubst %.o,%.d,$@)
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elf: $(BUILD_DIR)/$(TARGET).elf
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hex: $(BUILD_DIR)/$(TARGET).hex
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eep: $(BUILD_DIR)/$(TARGET).eep
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lss: $(BUILD_DIR)/$(TARGET).lss
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sym: $(BUILD_DIR)/$(TARGET).sym
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LIBNAME=lib$(TARGET).a
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lib: $(LIBNAME)
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# Display size of file.
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HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
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#ELFSIZE = $(SIZE) --mcu=$(MCU) --format=avr $(TARGET).elf
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ELFSIZE = $(SIZE) $(BUILD_DIR)/$(TARGET).elf
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sizebefore:
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@if test -f $(TARGET).hex; then $(SECHO) $(MSG_SIZE_BEFORE); $(SILENT) || $(HEXSIZE); \
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2>/dev/null; $(SECHO); fi
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sizeafter: $(BUILD_DIR)/$(TARGET).hex
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@if test -f $(TARGET).hex; then $(SECHO); $(SECHO) $(MSG_SIZE_AFTER); $(SILENT) || $(HEXSIZE); \
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2>/dev/null; $(SECHO); fi
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# test file sizes eventually
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# @if [[ $($(SIZE) --target=$(FORMAT) $(TARGET).hex | $(AWK) 'NR==2 {print "0x"$5}') -gt 0x200 ]]; then $(SECHO) "File is too big!"; fi
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# Display compiler version information.
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gccversion :
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@$(SILENT) || $(CC) --version
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# Create final output files (.hex, .eep) from ELF output file.
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%.hex: %.elf
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@$(SILENT) || printf "$(MSG_FLASH) $@" | $(AWK_CMD)
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$(eval CMD=$(HEX) $< $@)
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@$(BUILD_CMD)
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@if $(AUTOGEN); then \
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$(SILENT) || printf "Copying $(TARGET).hex to keymaps/$(KEYMAP)/$(KEYBOARD)_$(KEYMAP).hex\n"; \
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$(COPY) $@ $(KEYMAP_PATH)/$(KEYBOARD)_$(KEYMAP).hex; \
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else \
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$(COPY) $@ $(TARGET).hex; \
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fi
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%.eep: %.elf
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@$(SILENT) || printf "$(MSG_EEPROM) $@" | $(AWK_CMD)
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$(eval CMD=$(EEP) $< $@ || exit 0)
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@$(BUILD_CMD)
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# Create extended listing file from ELF output file.
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%.lss: %.elf
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@$(SILENT) || printf "$(MSG_EXTENDED_LISTING) $@" | $(AWK_CMD)
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$(eval CMD=$(OBJDUMP) -h -S -z $< > $@)
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@$(BUILD_CMD)
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# Create a symbol table from ELF output file.
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%.sym: %.elf
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@$(SILENT) || printf "$(MSG_SYMBOL_TABLE) $@" | $(AWK_CMD)
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$(eval CMD=$(NM) -n $< > $@ )
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@$(BUILD_CMD)
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%.bin: %.elf
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@$(SILENT) || printf "$(MSG_BIN) $@" | $(AWK_CMD)
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$(eval CMD=$(BIN) $< $@ || exit 0)
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@$(BUILD_CMD)
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BEGIN = gccversion sizebefore
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# Link: create ELF output file from object files.
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.SECONDARY : $(BUILD_DIR)/$(TARGET).elf
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.PRECIOUS : $(OBJ)
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# Note the obj.txt depeendency is there to force linking if a source file is deleted
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%.elf: $(OBJ) $(MASTER_OUTPUT)/cflags.txt $(MASTER_OUTPUT)/ldflags.txt $(MASTER_OUTPUT)/obj.txt | $(BEGIN)
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@$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD)
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$(eval CMD=$(CC) $(ALL_CFLAGS) $(filter-out %.txt,$^) --output $@ $(LDFLAGS))
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@$(BUILD_CMD)
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define GEN_OBJRULE
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$1_INCFLAGS := $$(patsubst %,-I%,$$($1_INC))
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ifdef $1_CONFIG
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$1_CONFIG_FLAGS += -include $$($1_CONFIG)
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endif
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$1_CFLAGS = $$(ALL_CFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS)
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$1_CPPFLAGS= $$(ALL_CPPFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS)
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$1_ASFLAGS= $$(ALL_ASFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS)
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# Compile: create object files from C source files.
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$1/%.o : %.c $1/%.d $1/cflags.txt $1/compiler.txt | $(BEGIN)
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@mkdir -p $$(@D)
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@$$(SILENT) || printf "$$(MSG_COMPILING) $$<" | $$(AWK_CMD)
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$$(eval CMD := $$(CC) -c $$($1_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
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@$$(BUILD_CMD)
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# Compile: create object files from C++ source files.
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$1/%.o : %.cpp $1/%.d $1/cppflags.txt $1/compiler.txt | $(BEGIN)
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@mkdir -p $$(@D)
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@$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD)
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$$(eval CMD=$$(CC) -c $$($1_CPPFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
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@$$(BUILD_CMD)
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$1/%.o : %.cc $1/%.d $1/cppflags.txt $1/compiler.txt | $(BEGIN)
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@mkdir -p $$(@D)
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@$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD)
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$$(eval CMD=$$(CC) -c $$($1_CPPFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
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@$$(BUILD_CMD)
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# Assemble: create object files from assembler source files.
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$1/%.o : %.S $1/asflags.txt $1/compiler.txt | $(BEGIN)
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@mkdir -p $$(@D)
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@$(SILENT) || printf "$$(MSG_ASSEMBLING) $$<" | $$(AWK_CMD)
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$$(eval CMD=$$(CC) -c $$($1_ASFLAGS) $$< -o $$@)
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@$$(BUILD_CMD)
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$1/force:
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$1/cflags.txt: $1/force
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echo '$$($1_CFLAGS)' | cmp -s - $$@ || echo '$$($1_CFLAGS)' > $$@
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$1/cppflags.txt: $1/force
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echo '$$($1_CPPFLAGS)' | cmp -s - $$@ || echo '$$($1_CPPFLAGS)' > $$@
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$1/asflags.txt: $1/force
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echo '$$($1_ASFLAGS)' | cmp -s - $$@ || echo '$$($1_ASFLAGS)' > $$@
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$1/compiler.txt: $1/force
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$$(CC) --version | cmp -s - $$@ || $$(CC) --version > $$@
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endef
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$(MASTER_OUTPUT)/obj.txt: $(MASTER_OUTPUT)/force
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echo '$(OBJ)' | cmp -s - $$@ || echo '$(OBJ)' > $$@
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$(MASTER_OUTPUT)/ldflags.txt: $(MASTER_OUTPUT)/force
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echo '$(LDFLAGS)' | cmp -s - $$@ || echo '$(LDFLAGS)' > $$@
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# We have to use static rules for the .d files for some reason
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DEPS = $(patsubst %.o,%.d,$(OBJ))
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# Keep the .d files
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.PRECIOUS: $(DEPS)
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# Empty rule to force recompilation if the .d file is missing
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$(DEPS):
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$(foreach OUTPUT,$(OUTPUTS),$(eval $(call GEN_OBJRULE,$(OUTPUT))))
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# Create preprocessed source for use in sending a bug report.
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%.i : %.c | $(BEGIN)
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$(CC) -E -mmcu=$(MCU) $(CFLAGS) $< -o $@
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# Target: clean project.
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clean:
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$(foreach OUTPUT,$(OUTPUTS), $(REMOVE) -r $(OUTPUT) 2>/dev/null)
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$(REMOVE) $(BUILD_DIR)/$(TARGET).*
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show_path:
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@echo VPATH=$(VPATH)
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@echo SRC=$(SRC)
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@echo OBJ=$(OBJ)
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# Create build directory
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$(shell mkdir $(BUILD_DIR) 2>/dev/null)
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# Create object files directory
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$(eval $(foreach OUTPUT,$(OUTPUTS),$(shell mkdir $(OUTPUT) 2>/dev/null)))
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# Include the dependency files.
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-include $(patsubst %.o,%.d,$(OBJ))
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# Listing of phony targets.
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.PHONY : all finish sizebefore sizeafter gccversion \
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build elf hex eep lss sym coff extcoff \
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clean clean_list debug gdb-config show_path \
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program teensy dfu flip dfu-ee flip-ee dfu-start |