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