Hao's Blog

這是我用來寫code 的makefile, 很好用喔

##
## FILE: Makefile
##
## Date: 2006/08/17
##
## Author: Hao Tseng
##
## Descriptio: Makefile for vtssd86 program
##
## MODIFICATION HISTORY:
## Date        By         Version  Change Description
##============================================================
## 2006/08/17   create this file
## 2006/10/25   modify for linux environment
##------------------------------------------------------------------------------

PROGRAM_NAME = vtssd86

# |
# | Include Files
# |
AINCLUDES =
CINCLUDES =  

# |
# | Object files
# |
OBJECTS =  \
	$(OBJ)/source_code_cpp.cpp.o \
	$(OBJ)/source_code_asm.S.o  \
	$(OBJ)/source_code_c.c.o  

# |
# | Put the file name that you want to compile only
# | and generate asm file
ASMFILES =  

# |
# | Tool chain definition
# |

GNU_TOOLS_PREFIX =
AS = $(GNU_TOOLS_PREFIX)as
CC = $(GNU_TOOLS_PREFIX)gcc
CPP = $(GNU_TOOLS_PREFIX)g++
AR = $(GNU_TOOLS_PREFIX)ar
LD = $(GNU_TOOLS_PREFIX)ld
OC = $(GNU_TOOLS_PREFIX)objcopy
NM = $(GNU_TOOLS_PREFIX)nm
OD = $(GNU_TOOLS_PREFIX)objdump
SZ = $(GNU_TOOLS_PREFIX)size

# | A special echo that prints prettily

E = @echo \\\# `date +%Y.%m.%d.%H:%M:%S` ---

# | Silence is golden... put "S=" (s equals nothing) on
# | the command line to get verbose output.

#S =
S = @

# |
# | directory for objects & other output files
# | 

OBJ = ./obj
OUTPUT = ./output
ASMDIR = ./asm_output

# |
# | And the source directory? Is right here.
# |

SRC = .

# |
# | Include paths and such
# |

INCLUDE_PATHS = \
		-I ./inc \
		-I ../inc \

# +------------------------------------
# | Switches for the compiler, the assembler,
# | and the linker
# |

DebugFlags = -g -O2

ASFlags = \
		$(INCLUDE_PATHS) \
		$(DebugFlags) \
		-W -c        

CCFlags = \
		$(INCLUDE_PATHS) \
		$(DebugFlags) \
		-W -c

CPPFlags = \
		$(CCFlags)

# +----------------------------------------
# | Rules
# +----------------------------------------
default : elf

$(OBJ)/%.cpp.o : $(SRC)/%.cpp $(CINCLUDES)
	$(E) Compiling $<
	$(S)$(CPP) $(CPPFlags) $< -o $@

$(OBJ)/%.S.o : $(SRC)/%.S $(AINCLUDES)
	$(E) Assembling $<
	$(S)$(CC) $(ASFlags) $< -o $@

$(OBJ)/%.c.o : $(SRC)/%.c $(CINCLUDES)
	$(E) Compiling $<
	$(S)$(CC) $(CCFlags) $< -o $@

$(ASMDIR)/%.c.s : $(SRC)/%.c $(CINCLUDES)
	$(E) Compiling only $<
	$(S)$(CC) $(CCFlags) $< -S -o $@

$(OBJ) :
	$(E) Making $@/ directory
	$(S)mkdir $@

$(OUTPUT) :
	$(E) Making $@/ directory
	$(S)mkdir $@

$(ASMDIR) :
	$(E) Making $@/ directory
	$(S)mkdir $@

clean : $(OBJ) $(OUTPUT) $(ASMDIR)
	$(E) Removing objects
	$(S)rm -rf $(OBJ)
	$(S)rm -rf $(OUTPUT)
	$(S)rm -rf $(ASMDIR)/*

# +-------------------------------------
# | Linking
# +-------------------------------------
LFLAGS =
#LFLAGS = \
#		-g \
#		-T ./linkleon.ld \
#		-e _hardreset \
#		-g -N -nostdlib

#LIBs declaraction
# "-lrt" is used for posix timer functions.
# "-lstdc++" is used for C++ code.
# "-lpthread" is used for pthread functions.
LIBS = -lgcc -lstdc++ -lm -lrt -lpthread

$(OUTPUT)/$(PROGRAM_NAME).elf : $(OBJ) $(OBJECTS) $(OUTPUT)
	$(E) Linking $@
	$(S)$(CC) $(LFLAGS) $(OBJECTS) $(LIBS) -o $(OUTPUT)/$(PROGRAM_NAME).elf
	$(E) The Program size
	$(S)$(SZ) $(OUTPUT)/$(PROGRAM_NAME).elf

# |
# | S-Record
# |

$(OUTPUT)/$(PROGRAM_NAME).srec : $(OUTPUT)/$(PROGRAM_NAME).elf
	$(E) Converting $(PROGRAM_NAME).elf to S-Record
	$(S)$(OC) -O srec $(OUTPUT)/$(PROGRAM_NAME).elf $(OUTPUT)/$(PROGRAM_NAME).srec 

# |
# | Handy auxilliary files
# |

$(OUTPUT)/$(PROGRAM_NAME).nm : $(OUTPUT)/$(PROGRAM_NAME).elf
	$(E) Making $(PROGRAM_NAME).nm
	$(S)$(NM) $(OUTPUT)/$(PROGRAM_NAME).elf | sort > $(OUTPUT)/$(PROGRAM_NAME).nm

$(OUTPUT)/$(PROGRAM_NAME).objdump : $(OUTPUT)/$(PROGRAM_NAME).elf
	$(E) Making $(PROGRAM_NAME).objdump
	$(S)$(OD) $(OUTPUT)/$(PROGRAM_NAME).elf -d -S > $(OUTPUT)/$(PROGRAM_NAME).objdump    

$(OUTPUT)/$(PROGRAM_NAME).dat : $(OUTPUT)/$(PROGRAM_NAME).elf
	$(E) Making $(PROGRAM_NAME).dat
	$(S)$(OD) $(OUTPUT)/$(PROGRAM_NAME).elf -s > $(OUTPUT)/$(PROGRAM_NAME).dat    

$(OUTPUT)/$(PROGRAM_NAME).bin : $(OUTPUT)/$(PROGRAM_NAME).elf
	$(E) Converting $(OUTPUT)/$(PROGRAM_NAME).elf to Binary
	$(S)$(OC) -O binary $(OUTPUT)/$(PROGRAM_NAME).elf $(OUTPUT)/$(PROGRAM_NAME).bin 

# +-------------------------------------
# | Shortcut Targets
# |

srec : $(OUTPUT)/$(PROGRAM_NAME).srec

elf : $(OUTPUT)/$(PROGRAM_NAME).elf

bin : $(OUTPUT)/$(PROGRAM_NAME).dat $(OUTPUT)/$(PROGRAM_NAME).bin

aux : $(OUTPUT)/$(PROGRAM_NAME).nm $(OUTPUT)/$(PROGRAM_NAME).objdump

asm : $(ASMDIR) $(ASMFILES)

bootcode :
	$(E) Make the boot code
	$(S)cd boot; make bin

all : elf srec aux bin

help :
	@echo
	@echo Program name: $(PROGRAM_NAME)
	@echo
	@echo Available makefile targets:
	@echo
	@echo "  make clean -- erase intermediate files"
	@echo "  make srec  -- convert elf to S-Record"
	@echo "  make elf   -- only make the .elf file"
	@echo "  make aux   -- generate .nm and .objdump files"
	@echo "  make bin   -- generate .dat and .bin files"
	@echo "  make asm   -- generate .c.s files"
	@echo "  make all   -- do all of above"
	@echo "  make bootcode  -- make boot rom .elf & .bin file(in boot directory)"
	@echo
	@echo Add the option "S=" for a more verbose output
	@echo

# end of file