examples/standalone/Makefile

   1 #
   2 # (C) Copyright 2000-2006
   3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4 #
   5 # See file CREDITS for list of people who contributed to this
   6 # project.
   7 #
   8 # This program is free software; you can redistribute it and/or
   9 # modify it under the terms of the GNU General Public License as
  10 # published by the Free Software Foundation; either version 2 of
  11 # the License, or (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 # MA 02111-1307 USA
  22 #
  23
  24 include $(TOPDIR)/config.mk
  25
  26 ELF-$(ARCH)  :=
  27 ELF-$(BOARD) :=
  28 ELF-$(CPU)   :=
  29 ELF-y        := hello_world
  30
  31 ELF-$(CONFIG_SMC91111)           += smc91111_eeprom
  32 ELF-$(CONFIG_SMC911X)            += smc911x_eeprom
  33 ELF-$(CONFIG_SPI_FLASH_ATMEL)    += atmel_df_pow2
  34 ELF-i386                         += 82559_eeprom
  35 ELF-mpc5xxx                      += interrupt
  36 ELF-mpc8xx                       += test_burst timer
  37 ELF-mpc8260                      += mem_to_mem_idma2intr
  38 ELF-ppc                          += sched
  39 ELF-oxc                          += eepro100_eeprom
  40
  41 #
  42 # Some versions of make do not handle trailing white spaces properly;
  43 # leading to build failures. The problem was found with GNU Make 3.80.
  44 # Using 'strip' as a workaround for the problem.
  45 #
  46 ELF := $(strip $(ELF-y) $(ELF-$(ARCH)) $(ELF-$(BOARD)) $(ELF-$(CPU)))
  47
  48 SREC = $(addsuffix .srec,$(ELF))
  49 BIN  = $(addsuffix .bin,$(ELF))
  50
  51 COBJS   := $(ELF:=.o)
  52
  53 LIB     = $(obj)libstubs.a
  54
  55 LIBAOBJS-$(ARCH)     :=
  56 LIBAOBJS-$(CPU)      :=
  57 LIBAOBJS-ppc         += $(ARCH)_longjmp.o $(ARCH)_setjmp.o
  58 LIBAOBJS-mpc8xx      += test_burst_lib.o
  59 LIBAOBJS := $(LIBAOBJS-$(ARCH)) $(LIBAOBJS-$(CPU))
  60
  61 LIBCOBJS = stubs.o
  62
  63 LIBOBJS = $(addprefix $(obj),$(LIBAOBJS) $(LIBCOBJS))
  64
  65 SRCS    := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S)
  66 OBJS    := $(addprefix $(obj),$(COBJS))
  67 ELF     := $(addprefix $(obj),$(ELF))
  68 BIN     := $(addprefix $(obj),$(BIN))
  69 SREC    := $(addprefix $(obj),$(SREC))
  70
  71 gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
  72
  73 CPPFLAGS += -I..
  74
  75 # For PowerPC there's no need to compile standalone applications as a
  76 # relocatable executable.  The relocation data is not needed, and
  77 # also causes the entry point of the standalone application to be
  78 # inconsistent.
  79 ifeq ($(ARCH),powerpc)
  80 AFLAGS := $(filter-out $(RELFLAGS),$(AFLAGS))
  81 CFLAGS := $(filter-out $(RELFLAGS),$(CFLAGS))
  82 CPPFLAGS := $(filter-out $(RELFLAGS),$(CPPFLAGS))
  83 endif
  84
  85 # We don't want gcc reordering functions if possible.  This ensures that an
  86 # application's entry point will be the first function in the application's
  87 # source file.
  88 CFLAGS += $(call cc-option,-fno-toplevel-reorder)
  89
  90 all:    $(obj).depend $(OBJS) $(LIB) $(SREC) $(BIN) $(ELF)
  91
  92 #########################################################################
  93 $(LIB): $(obj).depend $(LIBOBJS)
  94                 $(AR) $(ARFLAGS) $@ $(LIBOBJS)
  95
  96 $(ELF):
  97 $(obj)%:        $(obj)%.o $(LIB)
  98                 $(LD) -g -Ttext $(STANDALONE_LOAD_ADDR) \
  99                         -o $@ -e $(SYM_PREFIX)$(notdir $(<:.o=)) $< $(LIB) \
 100                         -L$(gcclibdir) -lgcc
 101
 102 $(SREC):
 103 $(obj)%.srec:   $(obj)%
 104                 $(OBJCOPY) -O srec $< $@ 2>/dev/null
 105
 106 $(BIN):
 107 $(obj)%.bin:    $(obj)%
 108                 $(OBJCOPY) -O binary $< $@ 2>/dev/null
 109
 110 #########################################################################
 111
 112 # defines $(obj).depend target
 113 include $(SRCTREE)/rules.mk
 114
 115 sinclude $(obj).depend
 116
 117 #########################################################################