1# SPDX-License-Identifier: GPL-2.0+
2#
3# (C) Copyright 2000-2010
4# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5
6LDFLAGS_FINAL += --gc-sections
7LDFLAGS_FINAL += --bss-plt
8PLATFORM_RELFLAGS += -fpic -mrelocatable -ffunction-sections \
9-fdata-sections -mcall-linux
10
11PF_CPPFLAGS_POWERPC	:= $(call cc-option,-fno-ira-hoist-pressure,)
12PLATFORM_CPPFLAGS += -D__powerpc__ -ffixed-r2 -m32 $(PF_CPPFLAGS_POWERPC)
13KBUILD_LDFLAGS  += -m32 -melf32ppclinux
14
15#
16# When cross-compiling on NetBSD, we have to define __PPC__ or else we
17# will pick up a va_list declaration that is incompatible with the
18# actual argument lists emitted by the compiler.
19#
20# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
21
22ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
23PLATFORM_CPPFLAGS+= -D__PPC__
24endif
25ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
26PLATFORM_CPPFLAGS+= -D__PPC__
27endif
28
29# Only test once
30ifneq ($(CONFIG_SPL_BUILD),y)
31archprepare: checkgcc4
32
33# GCC 3.x is reported to have problems generating the type of relocation
34# that U-Boot wants.
35# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
36checkgcc4:
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'; \
40		false; \
41	fi
42endif
43