Subversion Repositories or1k

# Makefile for sh

PROG      := sh

BUILDTIME := $(shell TZ=UTC date --utc "+%Y.%m.%d-%H:%M%z")

# With a modern GNU make(1) (highly recommended, that's what all the

# developers use), all of the following configuration values can be

# overridden at the command line.  For example:

#   make CROSS=powerpc-linux- DOSTATIC=true

# If you want a static binary, turn this on.

DOSTATIC = true

# Set the following to `true' to make a debuggable build.

# Leave this set to `false' for production use.

# eg: `make DODEBUG=true tests'

# Do not enable this for production builds...

DODEBUG = false

# If you are running a cross compiler, you may want to set this

# to something more interesting, like "powerpc-linux-".

CROSS =or32-elf-

CC = $(CROSS)gcc

LD = $(CROSS)ld

STRIPTOOL = $(CROSS)strip

# To compile vs an alternative libc, you may need to use/adjust

# the following lines to meet your needs.

#LIBCDIR=/home/andersen/CVS/uC-libc

#GCCINCDIR = $(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")

#CFLAGS+=-nostdinc -I$(LIBCDIR)/include -I$(GCCINCDIR)

#LDFLAGS+=-nostdlib

#LIBRARIES = $(LIBCDIR)/libc.a -lgcc

#--------------------------------------------------------

# use '-Os' optimization if available, else use -O2

OPTIMIZATION = $(shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \

    then echo "-Os"; else echo "-O2" ; fi)

WARNINGS =

ifeq ($(DODEBUG),true)

    CFLAGS  += $(WARNINGS) -g -D_GNU_SOURCE -I../../uC-libc/include

    LDFLAGS +=

    STRIP    =

else

    CFLAGS  += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE

    CFLAGS  += -I../../uC-libc/include

    LDFLAGS += -s -L/home/simons/uClinux/uC-libc/

    LDFLAGS += -L/home/simons/uClinux/uC-libc/

    LDFLAGS += -L/home/simons/or1k/lib/gcc-lib/or32-elf/2.95.2/

    STRIP    = $(STRIPTOOL) --remove-section=.note --remove-section=.comment $(PROG)

endif

ifeq ($(DOSTATIC),true)

    LDFLAGS += --static

    #

    #use '-ffunction-sections -fdata-sections' and '--gc-sections' (if they

    # work) to try and strip out any unused junk.  Doesn't do much for me,

    # but you may want to give it a shot...

    #

    #ifeq ($(shell $(CC) -ffunction-sections -fdata-sections -S \

    #   -o /dev/null -xc /dev/null 2>/dev/null && $(LD) \

    #                   --gc-sections -v >/dev/null && echo 1),1)

    #   CFLAGS += -ffunction-sections -fdata-sections

    #   LDFLAGS += --gc-sections

    #endif

endif

OBJ     = sh1.o sh2.o sh3.o sh4.o sh5.o

all:    $(PROG)

$(PROG):        $(OBJ)

        $(LD) $(LDFLAGS) -r -o $@ $(OBJ) /home/simons/or1k/or32-elf/lib/crt0.o -lc -lgcc

.S.o:

        $(CC) $(CFLAGS) -c -o $*.o $<

clean:

        rm -f sh *.coff *.o *.bak core

.PHONY: tags

tags:

        ctags -R .