#\r
\r
LUFA_BUILD_MODULES += BUILD\r
-LUFA_BUILD_TARGETS += size checksource all elf hex clean\r
+LUFA_BUILD_TARGETS += size all elf hex lss 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
# -----------------------------------------------------------------------------\r
# TARGETS:\r
#\r
-# size - List application size\r
-# checksource - Check existance of listed input source files\r
+# size - List built application size\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
# clean - Remove output files\r
#\r
# MANDATORY PARAMETERS:\r
# -----------------------------------------------------------------------------\r
\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
+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 ?= $(error Makefile LUFA_PATH value not set)\r
+\r
+ifeq ($(MCU),)\r
+ $(error Makefile MCU option cannot be blank)\r
+endif\r
+ifeq ($(TARGET),)\r
+ $(error Makefile TARGET option cannot be blank)\r
+endif\r
+ifeq ($(ARCH),)\r
+ $(error Makefile ARCH option cannot be blank)\r
+endif\r
+ifeq ($(F_USB),)\r
+ $(error Makefile F_USB option cannot be blank)\r
+endif\r
\r
# Default values of optionally user-supplied variables\r
BOARD ?= NONE\r
ASM_FLAGS ?=\r
CC_FLAGS ?=\r
\r
+# Determine the utility prefix to use for the selected architecture\r
+ifeq ($(ARCH), AVR8)\r
+ CROSS := avr-\r
+else ifeq ($(ARCH), XMEGA)\r
+ CROSS := avr-\r
+else ifeq ($(ARCH), UC3)\r
+ CROSS := avr32-\r
+else\r
+ $(error Unsupported architecture "$(ARCH)".)\r
+endif\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
+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 = $(OBJECT_FILES:%=%.d)\r
\r
# Create a list of flags to pass to the compiler\r
ifeq ($(ARCH), AVR8)\r
CC_FLAGS += -mmcu=$(MCU) -gdwarf-2 -fshort-enums -fno-inline-small-functions -fpack-struct\r
- CROSS = avr-\r
else ifeq ($(ARCH), XMEGA)\r
CC_FLAGS += -mmcu=$(MCU) -gdwarf-2 -fshort-enums -fno-inline-small-functions -fpack-struct\r
- CROSS = avr-\r
else ifeq ($(ARCH), UC3)\r
CC_FLAGS += -mpart=$(MCU) -g3 -masm-addr-pseudos\r
- CROSS = avr32-\r
-else\r
- $(error Unsupported architecture.)\r
endif\r
CC_FLAGS += -Wall -fno-strict-aliasing -funsigned-char -funsigned-bitfields -ffunction-sections\r
CC_FLAGS += -I. -I$(patsubst %/,%,$(LUFA_PATH))/..\r
endif\r
\r
# Additional language specific compiler flags\r
-C_FLAGS += -Wstrict-prototypes\r
+C_FLAGS += -O$(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
-checksource:\r
- @for f in $(SRC) $(CPPSRC) $(ASRC); do \\r
- if [ -f $$f ]; then \\r
- echo "Found Source File: $$f" ; \\r
- else \\r
- echo "Source File Not Found: $$f" ; \\r
+gcc_version:\r
+ @$(CROSS)gcc --version\r
+\r
+check_source:\r
+ @for f in $(SRC); do \\r
+ if [ ! -f $$f ]; then \\r
+ echo "Error: Source file not found: $$f"; \\r
+ exit 1; \\r
fi; \\r
done\r
\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 elf hex lss size end\r
-all: begin elf hex lss size end\r
+clean:\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
+all: begin check_source 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
+%.o: %.c $(MAKEFILE_LIST)\r
@echo $(MSG_COMPILE_CMD) Compiling C file \"$<\"\r
- $(CROSS)gcc -c $(CC_FLAGS) $(C_FLAGS) -O$(OPTIMIZATION) -std=$(C_STANDARD) $< -o $@\r
+ $(CROSS)gcc -c $(CC_FLAGS) $(C_FLAGS) $< -o $@\r
\r
-%.o: %.cpp\r
+%.o: %.cpp $(MAKEFILE_LIST)\r
@echo $(MSG_COMPILE_CMD) Compiling C++ file \"$<\"\r
- $(CROSS)gcc -c $(CC_FLAGS) $(CPP_FLAGS) -O$(OPTIMIZATION) -std=$(CPP_STANDARD) -x c++ $< -o $@\r
+ $(CROSS)gcc -c $(CC_FLAGS) $(CPP_FLAGS) -x c++ $< -o $@\r
\r
-%.o: %.S\r
+%.o: %.S $(MAKEFILE_LIST)\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 $(MSG_OBJDMP_CMD) Extracting LSS file data from \"$<\"\r
$(CROSS)objdump -h -S -z $< > $@\r
\r
-clean:\r
- @echo $(MSG_REMOVE_CMD) Removing object files \"$(strip $(notdir $(OBJECT_FILES)))\"\r
- rm -f $(OBJECT_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
+# Include build dependency files\r
+-include $(DEPENDENCY_FILES)\r
+\r
+# Phony build targets for this module\r
+.PHONY: begin end gcc_version check_source size elf hex lss clean
\ No newline at end of file