TARGET_PREFIX=lm32-elf- RM ?= rm -f CC_normal := $(TARGET_PREFIX)gcc CX_normal := $(TARGET_PREFIX)g++ AS_normal := $(TARGET_PREFIX)as AR_normal := $(TARGET_PREFIX)ar LD_normal := $(TARGET_PREFIX)ld OBJCOPY_normal := $(TARGET_PREFIX)objcopy RANLIB_normal := $(TARGET_PREFIX)ranlib CC_quiet = @echo " CC " $@ && $(TARGET_PREFIX)gcc CX_quiet = @echo " CX " $@ && $(TARGET_PREFIX)g++ AS_quiet = @echo " AS " $@ && $(TARGET_PREFIX)as AR_quiet = @echo " AR " $@ && $(TARGET_PREFIX)ar LD_quiet = @echo " LD " $@ && $(TARGET_PREFIX)ld OBJCOPY_quiet = @echo " OBJCOPY " $@ && $(TARGET_PREFIX)objcopy RANLIB_quiet = @echo " RANLIB " $@ && $(TARGET_PREFIX)ranlib ifeq ($(V),1) CC = $(CC_normal) CX = $(CX_normal) AS = $(AS_normal) AR = $(AR_normal) LD = $(LD_normal) OBJCOPY = $(OBJCOPY_normal) RANLIB = $(RANLIB_normal) else CC = $(CC_quiet) CX = $(CX_quiet) AS = $(AS_quiet) AR = $(AR_quiet) LD = $(LD_quiet) OBJCOPY = $(OBJCOPY_quiet) RANLIB = $(RANLIB_quiet) endif # Toolchain options # INCLUDES = -I$(M2DIR)/software/include/base -I$(M2DIR)/software/include -I$(M2DIR)/common COMMONFLAGS = -O3 -mbarrel-shift-enabled -mmultiply-enabled -mdivide-enabled -msign-extend-enabled \ -Wall -fno-builtin -nostdinc $(INCLUDES) CFLAGS = $(COMMONFLAGS) -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes CXXFLAGS = $(COMMONFLAGS) -fno-exceptions -ffreestanding LDFLAGS = -nostdlib -nodefaultlibs # compile and generate dependencies, based on # http://scottmcpeak.com/autodepend/autodepend.html define compilexx-dep $(CX) -c $(CXXFLAGS) $< -o $*.o @$(CX_normal) -MM $(CXXFLAGS) $< > $*.d @mv -f $*.d $*.d.tmp @sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d @sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \ sed -e 's/^ *//' -e 's/$$/:/' >> $*.d @rm -f $*.d.tmp endef define compile-dep $(CC) -c $(CFLAGS) $< -o $*.o @$(CC_normal) -MM $(CFLAGS) $< > $*.d @mv -f $*.d $*.d.tmp @sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d @sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \ sed -e 's/^ *//' -e 's/$$/:/' >> $*.d @rm -f $*.d.tmp endef define assemble $(AS) -o $*.o $< endef