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