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bootloader/u-boot_2015_04/arch/powerpc/config.mk 1.23 KB
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  #
  # (C) Copyright 2000-2010
  # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  #
  # SPDX-License-Identifier:	GPL-2.0+
  #
  
  ifeq ($(CROSS_COMPILE),)
  CROSS_COMPILE := ppc_8xx-
  endif
  
  CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000
  LDFLAGS_FINAL += --gc-sections
  LDFLAGS_FINAL += --bss-plt
  PLATFORM_RELFLAGS += -fpic -mrelocatable -ffunction-sections \
  -fdata-sections -mcall-linux
  
  PLATFORM_CPPFLAGS += -D__powerpc__ -ffixed-r2 -m32
  PLATFORM_LDFLAGS  += -m32 -melf32ppclinux
  
  #
  # When cross-compiling on NetBSD, we have to define __PPC__ or else we
  # will pick up a va_list declaration that is incompatible with the
  # actual argument lists emitted by the compiler.
  #
  # [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
  
  ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
  PLATFORM_CPPFLAGS+= -D__PPC__
  endif
  ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
  PLATFORM_CPPFLAGS+= -D__PPC__
  endif
  
  # Only test once
  ifneq ($(CONFIG_SPL_BUILD),y)
  archprepare: checkgcc4
  
  # GCC 3.x is reported to have problems generating the type of relocation
  # that U-Boot wants.
  # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
  checkgcc4:
  	@if test $(call cc-version) -lt 0400; then \
  		echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
  		false; \
  	fi
  endif