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