Migrate more makefile utilities to builddefs sub-directory (#16002)

1 files changed, 523 insertions, 0 deletions

diff --git a/builddefs/common_rules.mk b/builddefs/common_rules.mk
new file mode 100644
index 0000000000..b303a87919
--- /dev/null
+++ b/builddefs/common_rules.mk
@@ -0,0 +1,523 @@
+# Hey Emacs, this is a -*- makefile -*-
+#----------------------------------------------------------------------------
+# WinAVR Makefile Template written by Eric B. Weddington, Jg Wunsch, et al.
+#
+# Released to the Public Domain
+#
+# Additional material for this makefile was written by:
+# Peter Fleury
+# Tim Henigan
+# Colin O'Flynn
+# Reiner Patommel
+# Markus Pfaff
+# Sander Pool
+# Frederik Rouleau
+# Carlos Lamas
+#
+
+# Enable vpath seraching for source files only
+# Without this, output files, could be read from the wrong .build directories
+VPATH_SRC := $(VPATH)
+vpath %.c $(VPATH_SRC)
+vpath %.h $(VPATH_SRC)
+vpath %.cpp $(VPATH_SRC)
+vpath %.cc $(VPATH_SRC)
+vpath %.hpp $(VPATH_SRC)
+vpath %.S $(VPATH_SRC)
+VPATH :=
+
+# Convert all SRC to OBJ
+define OBJ_FROM_SRC
+$(patsubst %.c,$1/%.o,$(patsubst %.cpp,$1/%.o,$(patsubst %.cc,$1/%.o,$(patsubst %.S,$1/%.o,$(patsubst %.clib,$1/%.a,$($1_SRC))))))
+endef
+$(foreach OUTPUT,$(OUTPUTS),$(eval $(OUTPUT)_OBJ +=$(call OBJ_FROM_SRC,$(OUTPUT))))
+
+# Define a list of all objects
+OBJ := $(foreach OUTPUT,$(OUTPUTS),$($(OUTPUT)_OBJ))
+NO_LTO_OBJ := $(filter %.a,$(OBJ))
+
+MASTER_OUTPUT := $(firstword $(OUTPUTS))
+
+
+
+# Output format. (can be srec, ihex, binary)
+FORMAT = ihex
+
+# Optimization level, can be [0, 1, 2, 3, s].
+#     0 = turn off optimization. s = optimize for size.
+#     (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
+OPT ?= s
+
+# Compiler flag to set the C Standard level.
+#     c89   = "ANSI" C
+#     gnu89 = c89 plus GCC extensions
+#     c99   = ISO C99 standard (not yet fully implemented)
+#     gnu99 = c99 plus GCC extensions
+CSTANDARD = -std=gnu99
+
+
+# Place -D or -U options here for C sources
+#CDEFS +=
+
+
+# Place -D or -U options here for ASM sources
+#ADEFS +=
+
+
+# Place -D or -U options here for C++ sources
+#CXXDEFS += -D__STDC_LIMIT_MACROS
+#CXXDEFS += -D__STDC_CONSTANT_MACROS
+#CXXDEFS +=
+
+# Speed up recompilations by opt-in usage of ccache
+USE_CCACHE ?= no
+ifneq ($(USE_CCACHE),no)
+    CC_PREFIX ?= ccache
+endif
+
+#---------------- Compiler Options C ----------------
+#  -g*:          generate debugging information
+#  -O*:          optimization level
+#  -f...:        tuning, see GCC manual and avr-libc documentation
+#  -Wall...:     warning level
+#  -Wa,...:      tell GCC to pass this to the assembler.
+ifeq ($(strip $(LTO_ENABLE)), yes)
+    ifeq ($(PLATFORM),CHIBIOS)
+        $(info Enabling LTO on ChibiOS-targeting boards is known to have a high likelihood of failure.)
+        $(info If unsure, set LTO_ENABLE = no.)
+    endif
+    CDEFS += -flto
+    CDEFS += -DLTO_ENABLE
+endif
+
+DEBUG_ENABLE ?= yes
+ifeq ($(strip $(SKIP_DEBUG_INFO)),yes)
+  DEBUG_ENABLE=no
+endif
+
+ifeq ($(strip $(DEBUG_ENABLE)),yes)
+  CFLAGS += -g$(DEBUG)
+endif
+CFLAGS += $(CDEFS)
+CFLAGS += -O$(OPT)
+# add color
+ifeq ($(COLOR),true)
+ifeq ("$(shell echo "int main(){}" | $(CC) -fdiagnostics-color -x c - -o /dev/null 2>&1)", "")
+	CFLAGS+= -fdiagnostics-color
+endif
+endif
+CFLAGS += -Wall
+CFLAGS += -Wstrict-prototypes
+ifneq ($(strip $(ALLOW_WARNINGS)), yes)
+    CFLAGS += -Werror
+endif
+#CFLAGS += -mshort-calls
+#CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
+#CFLAGS += -Wunreachable-code
+#CFLAGS += -Wsign-compare
+CFLAGS += $(CSTANDARD)
+
+# This fixes lots of keyboards linking errors but SHOULDN'T BE A FINAL SOLUTION
+# Fixing of multiple variable definitions must be made.
+CFLAGS += -fcommon
+
+#---------------- Compiler Options C++ ----------------
+#  -g*:          generate debugging information
+#  -O*:          optimization level
+#  -f...:        tuning, see GCC manual and avr-libc documentation
+#  -Wall...:     warning level
+#  -Wa,...:      tell GCC to pass this to the assembler.
+ifeq ($(strip $(DEBUG_ENABLE)),yes)
+  CXXFLAGS += -g$(DEBUG)
+endif
+CXXFLAGS += $(CXXDEFS)
+CXXFLAGS += -O$(OPT)
+# to supress "warning: only initialized variables can be placed into program memory area"
+CXXFLAGS += -w
+CXXFLAGS += -Wall
+CXXFLAGS += -Wundef
+
+ifneq ($(strip $(ALLOW_WARNINGS)), yes)
+    CXXFLAGS += -Werror
+endif
+#CXXFLAGS += -mshort-calls
+#CXXFLAGS += -fno-unit-at-a-time
+#CXXFLAGS += -Wstrict-prototypes
+#CXXFLAGS += -Wunreachable-code
+#CXXFLAGS += -Wsign-compare
+#CXXFLAGS += $(CSTANDARD)
+
+#---------------- Assembler Options ----------------
+ASFLAGS += $(ADEFS)
+ifeq ($(VERBOSE_AS_CMD),yes)
+	ASFLAGS += -v
+endif
+
+#---------------- Library Options ----------------
+# Minimalistic printf version
+PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
+
+# Floating point printf version (requires MATH_LIB = -lm below)
+PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
+
+# If this is left blank, then it will use the Standard printf version.
+PRINTF_LIB =
+#PRINTF_LIB = $(PRINTF_LIB_MIN)
+#PRINTF_LIB = $(PRINTF_LIB_FLOAT)
+
+
+# Minimalistic scanf version
+SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
+
+# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
+SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
+
+# If this is left blank, then it will use the Standard scanf version.
+SCANF_LIB =
+#SCANF_LIB = $(SCANF_LIB_MIN)
+#SCANF_LIB = $(SCANF_LIB_FLOAT)
+
+
+MATH_LIB = -lm
+CREATE_MAP ?= yes
+
+
+#---------------- Linker Options ----------------
+#  -Wl,...:     tell GCC to pass this to linker.
+#    -Map:      create map file
+#    --cref:    add cross reference to  map file
+#
+# Comennt out "--relax" option to avoid a error such:
+# 	(.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
+#
+
+ifeq ($(CREATE_MAP),yes)
+	LDFLAGS += -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref
+endif
+ifeq ($(VERBOSE_LD_CMD),yes)
+	LDFLAGS += -v
+endif
+#LDFLAGS += -Wl,--relax
+LDFLAGS += $(EXTMEMOPTS)
+LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
+LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
+#LDFLAGS += -T linker_script.x
+# You can give EXTRALDFLAGS at 'make' command line.
+LDFLAGS += $(EXTRALDFLAGS)
+
+#---------------- Assembler Listings ----------------
+#  -Wa,...:   tell GCC to pass this to the assembler.
+#  -adhlns:   create listing
+#  -gstabs:   have the assembler create line number information; note that
+#             for use in COFF files, additional information about filenames
+#             and function names needs to be present in the assembler source
+#             files -- see avr-libc docs [FIXME: not yet described there]
+#  -listing-cont-lines: Sets the maximum number of continuation lines of hex
+#       dump that will be displayed for a given single line of source input.
+
+ADHLNS_ENABLE ?= no
+ifeq ($(ADHLNS_ENABLE),yes)
+  # Avoid "Options to '-Xassembler' do not match" - only specify assembler options at LTO link time
+  ifeq ($(strip $(LTO_ENABLE)), yes)
+    LDFLAGS += -Wa,-adhlns=$(BUILD_DIR)/$(TARGET).lst
+  else
+    CFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
+    CXXFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
+    ifeq ($(strip $(DEBUG_ENABLE)),yes)
+      ASFLAGS = -Wa,-adhlns=$(@:%.o=%.lst),-gstabs,--listing-cont-lines=100
+    else
+      ASFLAGS = -Wa,-adhlns=$(@:%.o=%.lst),--listing-cont-lines=100
+    endif
+  endif
+endif
+
+# Define programs and commands.
+SHELL = sh
+SED = sed
+REMOVE = rm -f
+REMOVEDIR = rmdir
+COPY = cp
+WINSHELL = cmd
+SECHO = $(SILENT) || echo
+MD5SUM ?= md5sum
+ifneq ($(filter Darwin FreeBSD,$(shell uname -s)),)
+  MD5SUM = md5
+endif
+
+# UF2 format settings
+# To produce a UF2 file in your build, add to your keyboard's rules.mk:
+#      FIRMWARE_FORMAT = uf2
+UF2CONV = $(TOP_DIR)/util/uf2conv.py
+UF2_FAMILY ?= 0x0
+
+# Compiler flags to generate dependency files.
+#GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
+GENDEPFLAGS = -MMD -MP -MF $(patsubst %.o,%.td,$@)
+
+
+# Combine all necessary flags and optional flags.
+# Add target processor to flags.
+# You can give extra flags at 'make' command line like: make EXTRAFLAGS=-DFOO=bar
+ALL_CFLAGS = $(MCUFLAGS) $(CFLAGS) $(EXTRAFLAGS)
+ALL_CXXFLAGS = $(MCUFLAGS) -x c++ $(CXXFLAGS) $(EXTRAFLAGS)
+ALL_ASFLAGS = $(MCUFLAGS) -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS)
+
+define NO_LTO
+$(patsubst %.a,%.o,$1): NOLTO_CFLAGS += -fno-lto
+endef
+$(foreach LOBJ, $(NO_LTO_OBJ), $(eval $(call NO_LTO,$(LOBJ))))
+
+MOVE_DEP = mv -f $(patsubst %.o,%.td,$@) $(patsubst %.o,%.d,$@)
+
+# For a ChibiOS build, ensure that the board files have the hook overrides injected
+define BOARDSRC_INJECT_HOOKS
+$(KEYBOARD_OUTPUT)/$(patsubst %.c,%.o,$(patsubst ./%,%,$1)): INIT_HOOK_CFLAGS += -include $(TOP_DIR)/tmk_core/protocol/chibios/init_hooks.h
+endef
+$(foreach LOBJ, $(BOARDSRC), $(eval $(call BOARDSRC_INJECT_HOOKS,$(LOBJ))))
+
+# Add QMK specific flags
+DFU_SUFFIX ?= dfu-suffix
+DFU_SUFFIX_ARGS ?=
+
+
+elf: $(BUILD_DIR)/$(TARGET).elf
+hex: $(BUILD_DIR)/$(TARGET).hex
+uf2: $(BUILD_DIR)/$(TARGET).uf2
+cpfirmware: $(FIRMWARE_FORMAT)
+	$(SILENT) || printf "Copying $(TARGET).$(FIRMWARE_FORMAT) to qmk_firmware folder" | $(AWK_CMD)
+	$(COPY) $(BUILD_DIR)/$(TARGET).$(FIRMWARE_FORMAT) $(TARGET).$(FIRMWARE_FORMAT) && $(PRINT_OK)
+eep: $(BUILD_DIR)/$(TARGET).eep
+lss: $(BUILD_DIR)/$(TARGET).lss
+sym: $(BUILD_DIR)/$(TARGET).sym
+LIBNAME=lib$(TARGET).a
+lib: $(LIBNAME)
+
+# Display size of file, modifying the output so people don't mistakenly grab the hex output
+BINARY_SIZE = $(SIZE) --target=$(FORMAT) $(BUILD_DIR)/$(TARGET).hex | $(SED) -e 's/\.build\/.*$$/$(TARGET).$(FIRMWARE_FORMAT)/g'
+
+sizebefore:
+	@if test -f $(BUILD_DIR)/$(TARGET).hex; then $(SECHO) $(MSG_SIZE_BEFORE); $(SILENT) || $(BINARY_SIZE); \
+	2>/dev/null; $(SECHO); fi
+
+sizeafter: $(BUILD_DIR)/$(TARGET).hex
+	@if test -f $(BUILD_DIR)/$(TARGET).hex; then $(SECHO); $(SECHO) $(MSG_SIZE_AFTER); $(SILENT) || $(BINARY_SIZE); \
+	2>/dev/null; $(SECHO); fi
+
+# Display compiler version information.
+gccversion :
+	@$(SILENT) || $(CC) --version
+
+# Create final output files (.hex, .eep) from ELF output file.
+%.hex: %.elf
+	$(eval CMD=$(HEX) $< $@)
+	#@$(SILENT) || printf "$(MSG_EXECUTING) '$(CMD)':\n"
+	@$(SILENT) || printf "$(MSG_FLASH) $@" | $(AWK_CMD)
+	@$(BUILD_CMD)
+
+%.uf2: %.hex
+	$(eval CMD=$(UF2CONV) $(BUILD_DIR)/$(TARGET).hex -o $(BUILD_DIR)/$(TARGET).uf2 -c -f $(UF2_FAMILY) >/dev/null 2>&1)
+	#@$(SILENT) || printf "$(MSG_EXECUTING) '$(CMD)':\n"
+	@$(SILENT) || printf "$(MSG_UF2) $@" | $(AWK_CMD)
+	@$(BUILD_CMD)
+
+%.eep: %.elf
+	$(eval CMD=$(EEP) $< $@ || exit 0)
+	#@$(SILENT) || printf "$(MSG_EXECUTING) '$(CMD)':\n"
+	@$(SILENT) || printf "$(MSG_EEPROM) $@" | $(AWK_CMD)
+	@$(BUILD_CMD)
+
+# Create extended listing file from ELF output file.
+%.lss: %.elf
+	$(eval CMD=$(OBJDUMP) -h -S -z $< > $@)
+	#@$(SILENT) || printf "$(MSG_EXECUTING) '$(CMD)':\n"
+	@$(SILENT) || printf "$(MSG_EXTENDED_LISTING) $@" | $(AWK_CMD)
+	@$(BUILD_CMD)
+
+# Create a symbol table from ELF output file.
+%.sym: %.elf
+	$(eval CMD=$(NM) -n $< > $@ )
+	#@$(SILENT) || printf "$(MSG_EXECUTING) '$(CMD)':\n"
+	@$(SILENT) || printf "$(MSG_SYMBOL_TABLE) $@" | $(AWK_CMD)
+	@$(BUILD_CMD)
+
+%.bin: %.elf
+	$(eval CMD=$(BIN) $< $@ || exit 0)
+	#@$(SILENT) || printf "$(MSG_EXECUTING) '$(CMD)':\n"
+	@$(SILENT) || printf "$(MSG_BIN) $@" | $(AWK_CMD)
+	@$(BUILD_CMD)
+	if [ ! -z "$(DFU_SUFFIX_ARGS)" ]; then \
+		$(DFU_SUFFIX) $(DFU_SUFFIX_ARGS) -a $(BUILD_DIR)/$(TARGET).bin 1>/dev/null ;\
+	fi
+	#$(SILENT) || printf "$(MSG_EXECUTING) '$(DFU_SUFFIX) $(DFU_SUFFIX_ARGS) -a $(BUILD_DIR)/$(TARGET).bin 1>/dev/null':\n" ;\
+	$(COPY) $(BUILD_DIR)/$(TARGET).bin $(TARGET).bin;
+
+BEGIN = gccversion sizebefore
+
+# Link: create ELF output file from object files.
+.SECONDARY : $(BUILD_DIR)/$(TARGET).elf
+.PRECIOUS : $(OBJ)
+# Note the obj.txt depeendency is there to force linking if a source file is deleted
+%.elf: $(OBJ) $(MASTER_OUTPUT)/cflags.txt $(MASTER_OUTPUT)/ldflags.txt $(MASTER_OUTPUT)/obj.txt | $(BEGIN)
+	@$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD)
+	$(eval CMD=MAKE=$(MAKE) $(CC) $(ALL_CFLAGS) $(filter-out %.txt,$^) --output $@ $(LDFLAGS))
+	@$(BUILD_CMD)
+
+
+define GEN_OBJRULE
+$1_INCFLAGS := $$(patsubst %,-I%,$$($1_INC))
+ifdef $1_CONFIG
+$1_CONFIG_FLAGS += $$(patsubst %,-include %,$$($1_CONFIG))
+endif
+$1_CFLAGS = $$(ALL_CFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS) $$(NOLTO_CFLAGS)
+$1_CXXFLAGS = $$(ALL_CXXFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS) $$(NOLTO_CFLAGS)
+$1_ASFLAGS = $$(ALL_ASFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS)
+
+# Compile: create object files from C source files.
+$1/%.o : %.c $1/%.d $1/cflags.txt $1/compiler.txt | $(BEGIN)
+	@mkdir -p $$(@D)
+	@$$(SILENT) || printf "$$(MSG_COMPILING) $$<" | $$(AWK_CMD)
+	$$(eval CC_EXEC := $$(CC))
+    ifneq ($$(VERBOSE_C_CMD),)
+	$$(if $$(filter $$(notdir $$(VERBOSE_C_CMD)),$$(notdir $$<)),$$(eval CC_EXEC += -v))
+    endif
+    ifneq ($$(VERBOSE_C_INCLUDE),)
+	$$(if $$(filter $$(notdir $$(VERBOSE_C_INCLUDE)),$$(notdir $$<)),$$(eval CC_EXEC += -H))
+    endif
+	$$(eval CMD := $$(CC_EXEC) -c $$($1_CFLAGS) $$(INIT_HOOK_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
+	@$$(BUILD_CMD)
+    ifneq ($$(DUMP_C_MACROS),)
+	$$(eval CMD := $$(CC) -E -dM $$($1_CFLAGS) $$(INIT_HOOK_CFLAGS) $$(GENDEPFLAGS) $$<)
+	@$$(if $$(filter $$(notdir $$(DUMP_C_MACROS)),$$(notdir $$<)),$$(BUILD_CMD))
+    endif
+
+# Compile: create object files from C++ source files.
+$1/%.o : %.cpp $1/%.d $1/cxxflags.txt $1/compiler.txt | $(BEGIN)
+	@mkdir -p $$(@D)
+	@$$(SILENT) || printf "$$(MSG_COMPILING_CXX) $$<" | $$(AWK_CMD)
+	$$(eval CMD=$$(CC) -c $$($1_CXXFLAGS) $$(INIT_HOOK_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
+	@$$(BUILD_CMD)
+
+$1/%.o : %.cc $1/%.d $1/cxxflags.txt $1/compiler.txt | $(BEGIN)
+	@mkdir -p $$(@D)
+	@$$(SILENT) || printf "$$(MSG_COMPILING_CXX) $$<" | $$(AWK_CMD)
+	$$(eval CMD=$$(CC) -c $$($1_CXXFLAGS) $$(INIT_HOOK_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
+	@$$(BUILD_CMD)
+
+# Assemble: create object files from assembler source files.
+$1/%.o : %.S $1/asflags.txt $1/compiler.txt | $(BEGIN)
+	@mkdir -p $$(@D)
+	@$(SILENT) || printf "$$(MSG_ASSEMBLING) $$<" | $$(AWK_CMD)
+	$$(eval CMD=$$(CC) -c $$($1_ASFLAGS) $$< -o $$@)
+	@$$(BUILD_CMD)
+
+$1/%.a : $1/%.o
+	@mkdir -p $$(@D)
+	@$(SILENT) || printf "Archiving: $$<" | $$(AWK_CMD)
+	$$(eval CMD=$$(AR) rcs $$@ $$<)
+	@$$(BUILD_CMD)
+
+$1/force:
+
+$1/cflags.txt: $1/force
+	echo '$$($1_CFLAGS)' | cmp -s - $$@ || echo '$$($1_CFLAGS)' > $$@
+
+$1/cxxflags.txt: $1/force
+	echo '$$($1_CXXFLAGS)' | cmp -s - $$@ || echo '$$($1_CXXFLAGS)' > $$@
+
+$1/asflags.txt: $1/force
+	echo '$$($1_ASFLAGS)' | cmp -s - $$@ || echo '$$($1_ASFLAGS)' > $$@
+
+$1/compiler.txt: $1/force
+	$$(CC) --version | cmp -s - $$@ || $$(CC) --version > $$@
+endef
+
+.PRECIOUS: $(MASTER_OUTPUT)/obj.txt
+$(MASTER_OUTPUT)/obj.txt: $(MASTER_OUTPUT)/force
+	echo '$(OBJ)' | cmp -s - $@ || echo '$(OBJ)' > $@
+
+.PRECIOUS: $(MASTER_OUTPUT)/ldflags.txt
+$(MASTER_OUTPUT)/ldflags.txt: $(MASTER_OUTPUT)/force
+	echo '$(LDFLAGS)' | cmp -s - $@ || echo '$(LDFLAGS)' > $@
+
+
+# We have to use static rules for the .d files for some reason
+DEPS = $(patsubst %.o,%.d,$(patsubst %.a,%.o,$(OBJ)))
+# Keep the .d files
+.PRECIOUS: $(DEPS)
+# Empty rule to force recompilation if the .d file is missing
+$(DEPS):
+
+
+$(foreach OUTPUT,$(OUTPUTS),$(eval $(call GEN_OBJRULE,$(OUTPUT))))
+
+# Create preprocessed source for use in sending a bug report.
+%.i : %.c | $(BEGIN)
+	$(CC) -E -mmcu=$(MCU) $(CFLAGS) $< -o $@
+
+# Target: clean project.
+clean:
+	$(foreach OUTPUT,$(OUTPUTS), $(REMOVE) -r $(OUTPUT) 2>/dev/null)
+	$(REMOVE) $(BUILD_DIR)/$(TARGET).*
+
+show_path:
+	@echo VPATH=$(VPATH)
+	@echo SRC=$(SRC)
+	@echo OBJ=$(OBJ)
+
+dump_vars: ERROR_IF_EMPTY=""
+dump_vars: ERROR_IF_NONBOOL=""
+dump_vars: ERROR_IF_UNSET=""
+dump_vars:
+	@$(foreach V,$(sort $(.VARIABLES)),$(if $(filter-out environment% default automatic,$(origin $V)),$(info $V=$($V))))
+
+objs-size:
+	for i in $(OBJ); do echo $$i; done | sort | xargs $(SIZE)
+
+ifeq ($(findstring avr-gcc,$(CC)),avr-gcc)
+SIZE_MARGIN = 1024
+
+check-size:
+	$(eval MAX_SIZE=$(shell n=`$(CC) -E -mmcu=$(MCU) -D__ASSEMBLER__ $(CFLAGS) $(OPT_DEFS) platforms/avr/bootloader_size.c 2> /dev/null | $(SED) -ne 's/\r//;/^#/n;/^AVR_SIZE:/,$${s/^AVR_SIZE: //;p;}'` && echo $$(($$n)) || echo 0))
+	$(eval CURRENT_SIZE=$(shell if [ -f $(BUILD_DIR)/$(TARGET).hex ]; then $(SIZE) --target=$(FORMAT) $(BUILD_DIR)/$(TARGET).hex | $(AWK) 'NR==2 {print $$4}'; else printf 0; fi))
+	$(eval FREE_SIZE=$(shell expr $(MAX_SIZE) - $(CURRENT_SIZE)))
+	$(eval OVER_SIZE=$(shell expr $(CURRENT_SIZE) - $(MAX_SIZE)))
+	$(eval PERCENT_SIZE=$(shell expr $(CURRENT_SIZE) \* 100 / $(MAX_SIZE)))
+	if [ $(MAX_SIZE) -gt 0 ] && [ $(CURRENT_SIZE) -gt 0 ]; then \
+		$(SILENT) || printf "$(MSG_CHECK_FILESIZE)" | $(AWK_CMD); \
+		if [ $(CURRENT_SIZE) -gt $(MAX_SIZE) ]; then \
+		    printf "\n * $(MSG_FILE_TOO_BIG)"; $(PRINT_ERROR_PLAIN); \
+		else \
+		    if [ $(FREE_SIZE) -lt $(SIZE_MARGIN) ]; then \
+			$(PRINT_WARNING_PLAIN); printf " * $(MSG_FILE_NEAR_LIMIT)"; \
+		    else \
+			$(PRINT_OK); $(SILENT) || printf " * $(MSG_FILE_JUST_RIGHT)"; \
+		    fi ; \
+		fi ; \
+	fi
+else
+check-size:
+	$(SILENT) || echo "$(MSG_CHECK_FILESIZE_SKIPPED)"
+endif
+
+check-md5:
+	$(MD5SUM) $(BUILD_DIR)/$(TARGET).$(FIRMWARE_FORMAT)
+
+# Create build directory
+$(shell mkdir -p $(BUILD_DIR) 2>/dev/null)
+
+# Create object files directory
+$(eval $(foreach OUTPUT,$(OUTPUTS),$(shell mkdir -p $(OUTPUT) 2>/dev/null)))
+
+# Include the dependency files.
+-include $(patsubst %.o,%.d,$(patsubst %.a,%.o,$(OBJ)))
+
+
+# Listing of phony targets.
+.PHONY : all dump_vars finish sizebefore sizeafter qmkversion \
+gccversion build elf hex uf2 eep lss sym coff extcoff \
+clean clean_list debug gdb-config show_path \
+program teensy dfu dfu-ee dfu-start \
+flash dfu-split-left dfu-split-right \
+avrdude-split-left avrdude-split-right \
+avrdude-loop usbasp