X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/59ca4ec0ec2376c3e94793ccb43487ecd036e1e7..fc0ff2f97657a893db336dded648c8bd60582bc1:/LUFA/Build/lufa.build.in

diff --git a/LUFA/Build/lufa.build.in b/LUFA/Build/lufa.build.in
index 4207f1707..f77757819 100644
--- a/LUFA/Build/lufa.build.in
+++ b/LUFA/Build/lufa.build.in
@@ -7,12 +7,12 @@
 #
 
 LUFA_BUILD_MODULES        += BUILD
-LUFA_BUILD_TARGETS        += size checksource all elf hex clean
+LUFA_BUILD_TARGETS        += size checksource all elf hex lss gcc_version clean
 LUFA_BUILD_MANDATORY_VARS += TARGET ARCH MCU SRC F_USB LUFA_PATH
 LUFA_BUILD_OPTIONAL_VARS  += BOARD OPTIMIZATION C_STANDARD CPP_STANDARD F_CPU C_FLAGS CPP_FLAGS ASM_FLAGS CC_FLAGS LD_FLAGS
 
 # -----------------------------------------------------------------------------
-#               LUFA Compiler Buildsystem Makefile Module.
+#               LUFA GCC Compiler Buildsystem Makefile Module.
 # -----------------------------------------------------------------------------
 # DESCRIPTION:
 #   Provides a set of targets to build a C, C++ and/or Assembly application
@@ -25,6 +25,8 @@ LUFA_BUILD_OPTIONAL_VARS  += BOARD OPTIMIZATION C_STANDARD CPP_STANDARD F_CPU C_
 #    all                       - Build application and list size
 #    elf                       - Build application ELF debug object file
 #    hex                       - Build application HEX object files
+#    lss                       - Build application LSS assembly listing file
+#    gcc_version               - Print version of GCC used
 #    clean                     - Remove output files
 #
 # MANDATORY PARAMETERS:
@@ -72,15 +74,26 @@ CPP_FLAGS      ?=
 ASM_FLAGS      ?=
 CC_FLAGS       ?=
 
+# Determine the utility prefix to use for the selected architecture
+ifeq ($(ARCH), AVR8)
+   CROSS       := avr-
+else ifeq ($(ARCH), XMEGA)
+   CROSS       := avr-
+else ifeq ($(ARCH), UC3)
+   CROSS       := avr32-
+else
+    $(error Unsupported architecture.)
+endif
+
 # Output Messages
-MSG_BUILD_BEGIN = Begin compilation of project \"$(TARGET)\"...
-MSG_BUILD_END   = Finished building project \"$(TARGET)\"...
-MSG_COMPILE_CMD = ' [CC]      :'
-MSG_REMOVE_CMD  = ' [RM]      :'
-MSG_LINKER_CMD  = ' [LNK]     :'
-MSG_SIZE_CMD    = ' [SIZE]    :'
-MSG_OBJCPY_CMD  = ' [OBJCPY]  :'
-MSG_OBJDMP_CMD  = ' [OBJDMP]  :'
+MSG_BUILD_BEGIN := Begin compilation of project \"$(TARGET)\"...
+MSG_BUILD_END   := Finished building project \"$(TARGET)\".
+MSG_COMPILE_CMD := ' [CC]      :'
+MSG_REMOVE_CMD  := ' [RM]      :'
+MSG_LINKER_CMD  := ' [LNK]     :'
+MSG_SIZE_CMD    := ' [SIZE]    :'
+MSG_OBJCPY_CMD  := ' [OBJCPY]  :'
+MSG_OBJDMP_CMD  := ' [OBJDMP]  :'
 
 # Convert input source file list to differentiate them by type
 C_SOURCE   = $(filter %.c, $(SRC))
@@ -88,20 +101,16 @@ CPP_SOURCE = $(filter %.cpp, $(SRC))
 ASM_SOURCE = $(filter %.S, $(SRC))
 
 # Convert input source filenames into a list of required output object files
-OBJECT_FILES = $(filter %.o, $(C_SOURCE:%.c=%.o) $(CPP_SOURCE:%.cpp=%.o) $(ASM_SOURCE:%.S=%.o))
+OBJECT_FILES     = $(filter %.o, $(C_SOURCE:%.c=%.o) $(CPP_SOURCE:%.cpp=%.o) $(ASM_SOURCE:%.S=%.o))
+DEPENDENCY_FILES = $(OBJECT_FILES:%=%.d)
 
 # Create a list of flags to pass to the compiler
 ifeq ($(ARCH), AVR8)
- CC_FLAGS += -mmcu=$(MCU) -gdwarf-2 -fshort-enums -fno-inline-small-functions -fpack-struct
- CROSS     = avr-
+   CC_FLAGS += -mmcu=$(MCU) -gdwarf-2 -fshort-enums -fno-inline-small-functions -fpack-struct
 else ifeq ($(ARCH), XMEGA)
- CC_FLAGS += -mmcu=$(MCU) -gdwarf-2 -fshort-enums -fno-inline-small-functions -fpack-struct
- CROSS     = avr-
+   CC_FLAGS += -mmcu=$(MCU) -gdwarf-2 -fshort-enums -fno-inline-small-functions -fpack-struct
 else ifeq ($(ARCH), UC3)
- CC_FLAGS += -mpart=$(MCU) -g3 -masm-addr-pseudos
- CROSS     = avr32-
-else
-  $(error Unsupported architecture.)
+   CC_FLAGS += -mpart=$(MCU) -g3 -masm-addr-pseudos
 endif
 CC_FLAGS += -Wall -fno-strict-aliasing -funsigned-char -funsigned-bitfields -ffunction-sections
 CC_FLAGS += -I. -I$(patsubst %/,%,$(LUFA_PATH))/..
@@ -111,11 +120,14 @@ ifneq ($(F_CPU),)
 endif
 
 # Additional language specific compiler flags
-C_FLAGS   += -Wstrict-prototypes
+C_FLAGS   += -O$(OPTIMIZATION) -std=$(C_STANDARD) -MMD -MP -MF $@.d -Wstrict-prototypes 
+CPP_FLAGS += -O$(OPTIMIZATION) -std=$(CPP_STANDARD) -MMD -MP -MF $@.d
 
 # Create a list of flags to pass to the linker
-LD_FLAGS += -Wl,-Map=$(TARGET).map,--cref -Wl,--gc-sections -lm
-ifneq ($(F_CPU), UC3)
+LD_FLAGS += -lm -Wl,-Map=$(TARGET).map,--cref -Wl,--gc-sections 
+ifeq ($(ARCH), UC3)
+   LD_FLAGS += --rodata-writable --direct-data   
+else
    LD_FLAGS += -Wl,--relax
 endif
 
@@ -126,18 +138,23 @@ ifneq ($(UNKNOWN_SOURCE),)
 endif
 
 # Determine flags to pass to the size utility based on its reported features
-SIZE_MCU_FLAG    = $(shell avr-size --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
-SIZE_FORMAT_FLAG = $(shell avr-size --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
+SIZE_MCU_FLAG    := $(shell $(CROSS)size --help | grep -- --mcu > /dev/null && echo --mcu=$(MCU) )
+SIZE_FORMAT_FLAG := $(shell $(CROSS)size --help | grep -- --format=.*avr > /dev/null && echo --format=avr )
 
 
 begin:
 	@echo ""
 	@echo $(MSG_BUILD_BEGIN)
+	@echo ""
 	
 end:
+	@echo ""
 	@echo $(MSG_BUILD_END)
 	@echo ""
 
+gcc_version:
+	@$(CROSS)gcc --version
+
 checksource:
 	@for f in $(SRC) $(CPPSRC) $(ASRC); do \
 		if [ -f $$f ]; then \
@@ -150,11 +167,11 @@ checksource:
 size:
 	@echo $(MSG_SIZE_CMD) Determining size of \"$(TARGET).elf\"
 	@if test -f $(TARGET).elf; then \
-	    avr-size $(SIZE_MCU_FLAG) $(SIZE_FORMAT_FLAG) $(TARGET).elf ; 2>/dev/null; \
+	    $(CROSS)size $(SIZE_MCU_FLAG) $(SIZE_FORMAT_FLAG) $(TARGET).elf ; 2>/dev/null; \
 	 fi
 
-.PHONY: begin hex lss end size
-all: begin hex end size
+.PHONY: begin gcc_version elf hex lss size end
+all: begin gcc_version elf hex lss size end
 
 elf: $(TARGET).elf
 hex: $(TARGET).hex $(TARGET).eep
@@ -162,11 +179,11 @@ lss: $(TARGET).lss
 
 %.o: %.c
 	@echo $(MSG_COMPILE_CMD) Compiling C file \"$<\"
-	$(CROSS)gcc -c $(CC_FLAGS) $(C_FLAGS) -O$(OPTIMIZATION) -std=$(C_STANDARD) $< -o $@
+	$(CROSS)gcc -c $(CC_FLAGS) $(C_FLAGS) $< -o $@
 
 %.o: %.cpp
 	@echo $(MSG_COMPILE_CMD) Compiling C++ file \"$<\"
-	$(CROSS)gcc -c $(CC_FLAGS) $(CPP_FLAGS) -O$(OPTIMIZATION) -std=$(CPP_STANDARD) -x c++ $< -o $@
+	$(CROSS)gcc -c $(CC_FLAGS) $(CPP_FLAGS) -x c++ $< -o $@
 	
 %.o: %.S
 	@echo $(MSG_COMPILE_CMD) Assembling \"$<\"
@@ -175,7 +192,7 @@ lss: $(TARGET).lss
 .PRECIOUS : $(OBJECT_FILES)
 %.elf: $(OBJECT_FILES)
 	@echo $(MSG_LINKER_CMD) Linking object files into \"$@\"
-	$(CROSS)gcc $^ $(CC_FLAGS) $(LD_FLAGS) -o $@
+	$(CROSS)gcc $(CC_FLAGS) $(LD_FLAGS) $^ -o $@
 
 %.hex: %.elf
 	@echo $(MSG_OBJCPY_CMD) Extracting HEX file data from \"$<\"
@@ -190,7 +207,12 @@ lss: $(TARGET).lss
 	$(CROSS)objdump -h -S -z $< > $@
 
 clean:
-	@echo $(MSG_REMOVE_CMD) Removing object files \"$(notdir $(OBJECT_FILES))\"
+	@echo $(MSG_REMOVE_CMD) Removing object files \"$(strip $(notdir $(OBJECT_FILES)))\"
 	rm -f $(OBJECT_FILES)
+	@echo $(MSG_REMOVE_CMD) Removing dependency files \"$(strip $(notdir $(DEPENDENCY_FILES)))\"
+	rm -f $(DEPENDENCY_FILES)
 	@echo $(MSG_REMOVE_CMD) Removing output files \"$(TARGET).elf $(TARGET).hex $(TARGET).eep $(TARGET).map $(TARGET).lss\"
 	rm -f $(TARGET).elf $(TARGET).hex $(TARGET).eep $(TARGET).map $(TARGET).lss
+
+# Include build dependency files
+-include $(DEPENDENCY_FILES)
\ No newline at end of file