1 # SPDX-License-Identifier: GPL-2.0+
3 # (C) Copyright 2000-2010
4 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 LDFLAGS_FINAL += --gc-sections
7 LDFLAGS_FINAL += --bss-plt
8 PLATFORM_RELFLAGS += -fpic -mrelocatable -ffunction-sections \
9 -fdata-sections -mcall-linux
11 PF_CPPFLAGS_POWERPC := $(call cc-option,-fno-ira-hoist-pressure,)
12 PLATFORM_CPPFLAGS += -D__powerpc__ -ffixed-r2 -m32 $(PF_CPPFLAGS_POWERPC)
13 KBUILD_LDFLAGS += -m32 -melf32ppclinux
16 # When cross-compiling on NetBSD, we have to define __PPC__ or else we
17 # will pick up a va_list declaration that is incompatible with the
18 # actual argument lists emitted by the compiler.
20 # [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
22 ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
23 PLATFORM_CPPFLAGS+= -D__PPC__
25 ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
26 PLATFORM_CPPFLAGS+= -D__PPC__
30 ifneq ($(CONFIG_SPL_BUILD),y)
31 archprepare: checkgcc4
33 # GCC 3.x is reported to have problems generating the type of relocation
35 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
37 @if test "$(call cc-name)" = "gcc" -a \
38 $(call cc-version) -lt 0400; then \
39 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \