# www.lufa-lib.org\r
#\r
\r
-LUFA_BUILD_MODULES += BUILD\r
-LUFA_BUILD_TARGETS += size checksource all elf hex clean\r
+LUFA_BUILD_MODULES += BUILD\r
+LUFA_BUILD_TARGETS += size checksource all elf hex lss gcc_version clean\r
+LUFA_BUILD_MANDATORY_VARS += TARGET ARCH MCU SRC F_USB LUFA_PATH\r
+LUFA_BUILD_OPTIONAL_VARS += BOARD OPTIMIZATION C_STANDARD CPP_STANDARD F_CPU C_FLAGS CPP_FLAGS ASM_FLAGS CC_FLAGS LD_FLAGS\r
\r
# -----------------------------------------------------------------------------\r
-# LUFA Compiler Buildsystem Makefile Module.\r
+# LUFA GCC Compiler Buildsystem Makefile Module.\r
# -----------------------------------------------------------------------------\r
# DESCRIPTION:\r
# Provides a set of targets to build a C, C++ and/or Assembly application\r
# all - Build application and list size\r
# elf - Build application ELF debug object file\r
# hex - Build application HEX object files\r
+# lss - Build application LSS assembly listing file\r
+# gcc_version - Print version of GCC used\r
# clean - Remove output files\r
#\r
# MANDATORY PARAMETERS:\r
# C_STANDARD - C Language Standard to use\r
# CPP_STANDARD - C++ Language Standard to use\r
# F_CPU - Speed of the CPU, in Hz\r
-# CC_FLAGS - Flags to pass to the compiler\r
+# C_FLAGS - Flags to pass to the C compiler only\r
+# CPP_FLAGS - Flags to pass to the C++ compiler only\r
+# ASM_FLAGS - Flags to pass to the assembler only\r
+# CC_FLAGS - Common flags to pass to the C/C++ compiler and\r
+# assembler\r
# LD_FLAGS - Flags to pass to the linker\r
#\r
# -----------------------------------------------------------------------------\r
\r
-# Output Messages\r
-MSG_BUILD_BEGIN = Begin compilation of project \"$(TARGET)\"...\r
-MSG_BUILD_END = Finished building project \"$(TARGET)\"...\r
-MSG_COMPILE_CMD = ' [CC] :'\r
-MSG_REMOVE_CMD = ' [RM] :'\r
-MSG_LINKER_CMD = ' [LNK] :'\r
-MSG_SIZE_CMD = ' [SIZE] :'\r
-MSG_OBJCPY_CMD = ' [OBJCPY] :'\r
-MSG_OBJDMP_CMD = ' [OBJDMP] :'\r
-\r
-# Sanity check the user MCU, TARGET, ARCH, SRC, F_USB and LUFA_PATH makefile options\r
-ifeq ($(TARGET),)\r
- $(error Makefile TARGET value not set.)\r
-endif\r
-ifeq ($(ARCH),)\r
- $(error Makefile ARCH value not set.)\r
-endif\r
-ifeq ($(MCU),)\r
- $(error Makefile MCU value not set.)\r
-endif\r
-ifeq ($(SRC),)\r
- $(error Makefile SRC value not set.)\r
-endif\r
-ifeq ($(F_USB),)\r
- $(error Makefile F_USB value not set.)\r
-endif\r
-ifeq ($(LUFA_PATH),)\r
- $(error Makefile LUFA_PATH value not set.)\r
+# Sanity-check values of mandatory user-supplied variables\r
+MCU ?= $(error Makefile MCU value not set.)\r
+TARGET ?= $(error Makefile TARGET value not set.)\r
+ARCH ?= $(error Makefile ARCH value not set.)\r
+SRC ?= $(error Makefile SRC value not set.)\r
+F_USB ?= $(error Makefile F_USB value not set.)\r
+LUFA_PATH ?= $(error Makefile LUFA_PATH value not set.)\r
+\r
+# Default values of optionally user-supplied variables\r
+BOARD ?= NONE\r
+OPTIMIZATION ?= s\r
+F_CPU ?=\r
+C_STANDARD ?= gnu99\r
+CPP_STANDARD ?= gnu++98\r
+C_FLAGS ?=\r
+CPP_FLAGS ?=\r
+ASM_FLAGS ?=\r
+CC_FLAGS ?=\r
+\r
+# Determine the utility prefix to use for the selected architecture\r
+ifeq ($(ARCH), AVR8)\r
+ CROSS := avr-\r
+else ifeq ($(ARCH), XMEGA)\r
+ CROSS := avr-\r
+else ifeq ($(ARCH), UC3)\r
+ CROSS := avr32-\r
+else\r
+ $(error Unsupported architecture.)\r
endif\r
\r
-# Default values of user-supplied variables\r
-BOARD ?= NONE\r
-OPTIMIZATION ?= s\r
-F_CPU ?=\r
-C_STANDARD ?= gnu99\r
-CPP_STANDARD ?= gnu++98\r
+# Output Messages\r
+MSG_BUILD_BEGIN := Begin compilation of project \"$(TARGET)\"...\r
+MSG_BUILD_END := Finished building project \"$(TARGET)\".\r
+MSG_COMPILE_CMD := ' [CC] :'\r
+MSG_REMOVE_CMD := ' [RM] :'\r
+MSG_LINKER_CMD := ' [LNK] :'\r
+MSG_SIZE_CMD := ' [SIZE] :'\r
+MSG_OBJCPY_CMD := ' [OBJCPY] :'\r
+MSG_OBJDMP_CMD := ' [OBJDMP] :'\r
\r
# Convert input source file list to differentiate them by type\r
C_SOURCE = $(filter %.c, $(SRC))\r
ASM_SOURCE = $(filter %.S, $(SRC))\r
\r
# Convert input source filenames into a list of required output object files\r
-OBJECT_FILES = $(filter %.o, $(C_SOURCE:%.c=%.o) $(CPP_SOURCE:%.cpp=%.o) $(ASM_SOURCE:%.S=%.o))\r
+OBJECT_FILES = $(filter %.o, $(C_SOURCE:%.c=%.o) $(CPP_SOURCE:%.cpp=%.o) $(ASM_SOURCE:%.S=%.o))\r
+DEPENDENCY_FILES = $(OBJECT_FILES:%=%.d)\r
\r
# Create a list of flags to pass to the compiler\r
-ifneq ($(ARCH), AVR8)\r
- CC_FLAGS += -mmcu=$(MCU) -gdwarf-2 -fshort-enums -fno-inline-small-functions -fpack-struct\r
- CROSS = avr-\r
+ifeq ($(ARCH), AVR8)\r
+ CC_FLAGS += -mmcu=$(MCU) -gdwarf-2 -fshort-enums -fno-inline-small-functions -fpack-struct\r
else ifeq ($(ARCH), XMEGA)\r
- CC_FLAGS += -mmcu=$(MCU) -gdwarf-2 -fshort-enums -fno-inline-small-functions -fpack-struct\r
- CROSS = avr-\r
+ CC_FLAGS += -mmcu=$(MCU) -gdwarf-2 -fshort-enums -fno-inline-small-functions -fpack-struct\r
else ifeq ($(ARCH), UC3)\r
- CC_FLAGS += -mpart=$(MCU) -g3 -masm-addr-pseudos\r
- CROSS = avr32-\r
+ CC_FLAGS += -mpart=$(MCU) -g3 -masm-addr-pseudos\r
endif\r
-CC_FLAGS += -fno-strict-aliasing -funsigned-char -funsigned-bitfields -ffunction-sections\r
-CC_FLAGS += -Wall -Wstrict-prototypes\r
-CC_FLAGS += -I. -I$(LUFA_PATH)/..\r
+CC_FLAGS += -Wall -fno-strict-aliasing -funsigned-char -funsigned-bitfields -ffunction-sections\r
+CC_FLAGS += -I. -I$(patsubst %/,%,$(LUFA_PATH))/..\r
CC_FLAGS += -DARCH=ARCH_$(ARCH) -DBOARD=BOARD_$(BOARD) -DF_USB=$(F_USB)UL\r
ifneq ($(F_CPU),)\r
CC_FLAGS += -DF_CPU=$(F_CPU)UL\r
endif\r
\r
+# Additional language specific compiler flags\r
+C_FLAGS += -O$(OPTIMIZATION) -std=$(C_STANDARD) -MMD -MP -MF $@.d -Wstrict-prototypes \r
+CPP_FLAGS += -O$(OPTIMIZATION) -std=$(CPP_STANDARD) -MMD -MP -MF $@.d\r
+\r
# Create a list of flags to pass to the linker\r
-LD_FLAGS += -Wl,-Map=$(TARGET).map,--cref -Wl,--gc-sections -lm\r
-ifneq ($(F_CPU), UC3)\r
+LD_FLAGS += -lm -Wl,-Map=$(TARGET).map,--cref -Wl,--gc-sections \r
+ifeq ($(ARCH), UC3)\r
+ LD_FLAGS += --rodata-writable --direct-data \r
+else\r
LD_FLAGS += -Wl,--relax\r
endif\r
\r
endif\r
\r
# Determine flags to pass to the size utility based on its reported features\r
-SIZE_MCU_FLAG = $(shell avr-size --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )\r
-SIZE_FORMAT_FLAG = $(shell avr-size --help | grep -- --format=.*avr > /dev/null && echo --format=avr )\r
+SIZE_MCU_FLAG := $(shell $(CROSS)size --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )\r
+SIZE_FORMAT_FLAG := $(shell $(CROSS)size --help | grep -- --format=.*avr > /dev/null && echo --format=avr )\r
\r
\r
begin:\r
@echo ""\r
@echo $(MSG_BUILD_BEGIN)\r
+ @echo ""\r
\r
end:\r
+ @echo ""\r
@echo $(MSG_BUILD_END)\r
@echo ""\r
\r
+gcc_version:\r
+ @$(CROSS)gcc --version\r
+\r
checksource:\r
@for f in $(SRC) $(CPPSRC) $(ASRC); do \\r
if [ -f $$f ]; then \\r
size:\r
@echo $(MSG_SIZE_CMD) Determining size of \"$(TARGET).elf\"\r
@if test -f $(TARGET).elf; then \\r
- avr-size $(SIZE_MCU_FLAG) $(SIZE_FORMAT_FLAG) $(TARGET).elf ; 2>/dev/null; \\r
+ $(CROSS)size $(SIZE_MCU_FLAG) $(SIZE_FORMAT_FLAG) $(TARGET).elf ; 2>/dev/null; \\r
fi\r
\r
-.PHONY: begin hex lss end size\r
-all: begin hex end size\r
+.PHONY: begin gcc_version elf hex lss size end\r
+all: begin gcc_version elf hex lss size end\r
\r
elf: $(TARGET).elf\r
hex: $(TARGET).hex $(TARGET).eep\r
lss: $(TARGET).lss\r
\r
%.o: %.c\r
- @echo $(MSG_COMPILE_CMD) Compiling C file \"$^\"\r
- $(CROSS)gcc -c $(CC_FLAGS) -O$(OPTIMIZATION) -std=$(C_STANDARD) $< -o $@\r
+ @echo $(MSG_COMPILE_CMD) Compiling C file \"$<\"\r
+ $(CROSS)gcc -c $(CC_FLAGS) $(C_FLAGS) $< -o $@\r
\r
%.o: %.cpp\r
- @echo $(MSG_COMPILE_CMD) Compiling C++ file \"$^\"\r
- $(CROSS)gcc -c $(CC_FLAGS) -O$(OPTIMIZATION) -std=$(CPP_STANDARD) -x c++ $< -o $@\r
+ @echo $(MSG_COMPILE_CMD) Compiling C++ file \"$<\"\r
+ $(CROSS)gcc -c $(CC_FLAGS) $(CPP_FLAGS) -x c++ $< -o $@\r
\r
%.o: %.S\r
- @echo $(MSG_COMPILE_CMD) Assembling \"$^\"\r
- $(CROSS)gcc -c $(CC_FLAGS) -x assembler-with-cpp $< -o $@\r
+ @echo $(MSG_COMPILE_CMD) Assembling \"$<\"\r
+ $(CROSS)gcc -c $(CC_FLAGS) $(ASM_FLAGS) -x assembler-with-cpp $< -o $@\r
\r
.PRECIOUS : $(OBJECT_FILES)\r
%.elf: $(OBJECT_FILES)\r
@echo $(MSG_LINKER_CMD) Linking object files into \"$@\"\r
- $(CROSS)gcc $^ $(CC_FLAGS) $(LD_FLAGS) -o $@\r
+ $(CROSS)gcc $(CC_FLAGS) $(LD_FLAGS) $^ -o $@\r
\r
%.hex: %.elf\r
- @echo $(MSG_OBJCPY_CMD) Extracting HEX file data from \"$@\"\r
+ @echo $(MSG_OBJCPY_CMD) Extracting HEX file data from \"$<\"\r
$(CROSS)objcopy -O ihex -R .eeprom -R .fuse -R .lock -R .signature $< $@\r
\r
%.eep: %.elf\r
- @echo $(MSG_OBJCPY_CMD) Extracting EEP file data from \"$@\"\r
+ @echo $(MSG_OBJCPY_CMD) Extracting EEP file data from \"$<\"\r
$(CROSS)objcopy -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 --no-change-warnings -O ihex $< $@ || exit 0\r
\r
%.lss: %.elf\r
- @echo $(MSG_OBJDMP_CMD) Extracting LSS file data from \"$@\"\r
+ @echo $(MSG_OBJDMP_CMD) Extracting LSS file data from \"$<\"\r
$(CROSS)objdump -h -S -z $< > $@\r
\r
clean:\r
- @echo $(MSG_REMOVE_CMD) Removing object files \"$(OBJECT_FILES)\"\r
+ @echo $(MSG_REMOVE_CMD) Removing object files \"$(strip $(notdir $(OBJECT_FILES)))\"\r
rm -f $(OBJECT_FILES)\r
+ @echo $(MSG_REMOVE_CMD) Removing dependency files \"$(strip $(notdir $(DEPENDENCY_FILES)))\"\r
+ rm -f $(DEPENDENCY_FILES)\r
@echo $(MSG_REMOVE_CMD) Removing output files \"$(TARGET).elf $(TARGET).hex $(TARGET).eep $(TARGET).map $(TARGET).lss\"\r
rm -f $(TARGET).elf $(TARGET).hex $(TARGET).eep $(TARGET).map $(TARGET).lss\r
+\r
+# Include build dependency files\r
+-include $(DEPENDENCY_FILES)
\ No newline at end of file
projects / pub / lufa.git / blobdiff