1# 2# (C) Copyright 2000-2010 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# SPDX-License-Identifier: GPL-2.0+ 6# 7 8ifeq ($(CROSS_COMPILE),) 9CROSS_COMPILE := ppc_8xx- 10endif 11 12CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 13LDFLAGS_FINAL += --gc-sections 14LDFLAGS_FINAL += --bss-plt 15PLATFORM_RELFLAGS += -fpic -mrelocatable -ffunction-sections \ 16-fdata-sections -mcall-linux 17 18PLATFORM_CPPFLAGS += -D__powerpc__ -ffixed-r2 -m32 19PLATFORM_LDFLAGS += -m32 -melf32ppclinux 20 21# Support generic board on PPC 22__HAVE_ARCH_GENERIC_BOARD := y 23 24# 25# When cross-compiling on NetBSD, we have to define __PPC__ or else we 26# will pick up a va_list declaration that is incompatible with the 27# actual argument lists emitted by the compiler. 28# 29# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3] 30 31ifeq ($(CROSS_COMPILE),powerpc-netbsd-) 32PLATFORM_CPPFLAGS+= -D__PPC__ 33endif 34ifeq ($(CROSS_COMPILE),powerpc-openbsd-) 35PLATFORM_CPPFLAGS+= -D__PPC__ 36endif 37 38# Only test once 39ifneq ($(CONFIG_SPL_BUILD),y) 40archprepare: checkgcc4 41 42# GCC 3.x is reported to have problems generating the type of relocation 43# that U-Boot wants. 44# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 45checkgcc4: 46 @if test $(call cc-version) -lt 0400; then \ 47 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 48 false; \ 49 fi 50endif 51