Honored Contributor
Honored ContributorHi ,
This is my "makefile" : -------------------------------------------------------------------------------------------- # # configurable options# - set DEBUG = 1 to turn on debugging support# DEBUG = 1 PROJ_NAME = myapp INSTALL_DIR = PROGS := $(PROJ_NAME).exe# CFLAGS += cflags += -o0 -g # # You should not need to modify anything beyond this point# TOPDIR = . include $(TOPDIR)/Rules.mak ifeq '$(DEBUG)' '1' PROGS += $(PROGS:.exe=.gdb) endif # all: $(PROGS) all: myapp.exe myapp.gdb .PHONY: clean clean: -rm -f *.[oad] *.elf *.gdb *.bin *.exe .PHONY: install install: all ifeq "$(INSTALL_DIR)" "" $(error No installation directory specified) endif mkdir -p $(INSTALL_DIR)/bin install -v $(filter %.exe, $(PROGS)) $(INSTALL_DIR)/bin ---------------------------------------------------------------------------------------------- I can easily create a gdb and debug my HelloWorld application with this makefile, but when I use this for a bigger one of mine , I cannot create it. I tried to remove ".PHONY: clean ... " but things are not better This is "Rules.mak" : ---------------------------------------------------------------------------------------------- # ########################################################################## Variables and Rules for building Nios II Linux applications# # This file is a "template" that is copied over from the Nios II Linux# Application plug-in. This file should be included within your top-level# Makefile.# ifeq "$(origin TOPDIR)" "undefined" TOPDIR := $(shell pwd) endif # # The Settings.mak file is automatically generated by Eclipse. It# contains values for all external variables used by this Makefile# fragment.# # The "dash" in front of the include statement indicates that the Make# process will not terminate if it cannot find the Settings.mak file.# -include $(TOPDIR)/Settings.mak # This turns on various levels of hardware multiply support# Set the following option to none, mul, or mulx# none := no hardware multiplication support at all# mul := supports use of the mul assembler instruction# mulx := supports use of the mul and mulx assembler instruction ifeq "$(HW_MUL_SUPPORT)" "" HW_MUL_SUPPORT := mulx endif # # Warn users if external variables have not yet been defined.# ifeq "$(origin UTILSDIR)" "undefined" $(warning The location of the utiltiies directory is undefined) endif ifeq "$(origin LIBCDIR)" "undefined" $(warning The location of uClibc is undefined) endif # # Path + Name of necessary executables# EXECSUFFIX := .exe CROSS := nios2-elf- CC := $(CROSS)gcc AR := $(CROSS)ar LD := $(CROSS)ld NM := $(CROSS)nm RANLIB := $(CROSS)ranlib STRIPTOOL := $(CROSS)strip ELF2FLT := $(UTILSDIR)/bin/elf2flt # # Location of important files# CRT0 := $(LIBCDIR)/lib/crt0.o LIBC := $(LIBCDIR)/lib/libc.a LIBGCC := $(shell $(CC) -print-file-name=libgcc.a) LIBM := $(shell $(CC) -print-file-name=libm.a) LIBGCCDIR := $(dir $(LIBGCC)) LINKSCRIPT := $(UTILSDIR)/scripts/elf2flt.ld # # Various flags, modifications are not recommended and not necessarily# supported.# # DEPFLAGS:# -MM : ignore system includes, # -M : include system includes in the dependency# WARNING_FLAGS := -Wall # basic C flags to pass to the compiler CFLAGS += -nostdinc -D__linux__ # if DEBUG is turned on, then turn off optimizations and turn on symbol# generation, else turn on level 2 optimizations ifeq ($(DEBUG),1) CFLAGS += -O0 -g else CFLAGS += -O2 endif # pass any additional include directories to the compiler while building the# application CFLAGS += -I$(LIBCDIR)/include -I$(LIBGCCDIR)/include # Temporary workaround for nios2-elf-gcc bug# First noticed in v3.4.1 (Altera Nios II 1.1 b131)# To be removed at a later date when bug is resolved. CFLAGS += -fno-optimize-sibling-calls # Turn on the various levels of hardware multiplication support. ifeq ($(strip $(HW_MUL_SUPPORT)),none) CFLAGS += -mno-hw-mul -mno-hw-mulx endif ifeq ($(strip $(HW_MUL_SUPPORT)),mul) CFLAGS += -mhw-mul -mno-hw-mulx endif ifeq ($(strip $(HW_MUL_SUPPORT)),mulx) CFLAGS += -mhw-mul -mhw-mulx endif mulx_help_text := $(shell $(CC) --target-help | grep mulx) ifeq "$(mulx_help_text)" "" CFLAGS := $(filter-out -mhw-mulx -mno-hw-mulx, $(CFLAGS)) endif DEPFLAGS = -E -MM LDFLAGS := -msys-crt0=$(CRT0) -r -d -L$(LIBCDIR)/lib LDLIBS := $(LIBM) $(LIBGCC) $(LIBC) # relocate the absolute elf file if requested ifneq ($(TEXT),) TEXT_LOC_OPT := -Ttext $(TEXT) endif ifneq ($(DATA),) DATA_LOC_OPT := -Tdata $(DATA) endif ifneq ($(BSS),) BSS_LOC_OPT := -Tbss $(BSS) endif # default stack size is 4K FLTFLAGS:= %.exe : %.flt cp -f $< $@ # # Make a relocatable flat file from an ELF file.# STACKSIZE is defined by individual makefiles.# %.flt : %.elf $(ELF2FLT) $(FLTFLAGS) -o $@ $< # # Make a bound-address ELF file required by GDB for debugging the application.# %.gdb : %.bin FORCE $(LD) -T $(LINKSCRIPT) $(TEXT_LOC_OPT) $(DATA_LOC_OPT) $(BSS_LOC_OPT) -o $@ $< # # Make a relocatable ELF file.# %.elf : %.bin $(LD) -T $(LINKSCRIPT) -Ur -o $@ $< # # Standard stuff: The object file is dependent on the C source and Makefile timestamps# %.o : %.c Makefile $(CC) $(CFLAGS) $(WARNING_FLAGS) -c -o $@ $< %.o : %.cpp Makefile $(CC) $(CFLAGS) $(WARNING_FLAGS) -o $@ $< %.bin : %.o $(CC) $(LDFLAGS) -o $@ $^ $(LDLIBS) # # Automatically generate dependencies for the .c source files.# Be sure to omitt debug-level flags as this can produce macro def'n output.# The sed "script" makes the .d (in addition to the .c) file a# target of the dependencies so that the .d file is rebuild if required.# e.g. "X.o: <dependency-list>" gets transformed into "X.o X.d: <dependency-list>"# %.d: %.c $(SHELL) -ec '$(CC) $(DEPFLAGS) $(CFLAGS) -c $< | sed '\''s/\($*\)\.o[ :]*/\1.o $@ : /g'\'' >$@; [ -s $@ ] || rm -f $@' FORCE: ; ---------------------------------------------------------------------------------------------- I tried to remove "rm -f ..." (letters in bold) but *.gdb is still not made. It seems to me that *.gdb has made but was removed somewhere before makefile & Rules.mak complete. What do you think ? Quan
