u-boot/arch/powerpc/config.mk
Tom Rini 6e2f153895 arm, powerpc: Update cc-version tests to check for cc-name as well
For compatibility clang will report some gcc version.  However since we
are checking gcc versions in order to then fail to build, we should
limit these tests only to when we are using gcc and not clang.

Signed-off-by: Tom Rini <trini@konsulko.com>
2016-01-25 10:39:44 -05:00

49 lines
1.3 KiB
Makefile

#
# (C) Copyright 2000-2010
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# SPDX-License-Identifier: GPL-2.0+
#
ifeq ($(CROSS_COMPILE),)
CROSS_COMPILE := ppc_8xx-
endif
CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000
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 $(PF_CPPFLAGS_POWERPC)
PLATFORM_LDFLAGS += -m32 -melf32ppclinux
#
# When cross-compiling on NetBSD, we have to define __PPC__ or else we
# will pick up a va_list declaration that is incompatible with the
# actual argument lists emitted by the compiler.
#
# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
PLATFORM_CPPFLAGS+= -D__PPC__
endif
ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
PLATFORM_CPPFLAGS+= -D__PPC__
endif
# Only test once
ifneq ($(CONFIG_SPL_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