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https://github.com/brain-hackers/u-boot-brain
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6e2f153895
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>
50 lines
1.3 KiB
Makefile
50 lines
1.3 KiB
Makefile
#
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# (C) Copyright 2000-2010
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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ifeq ($(CROSS_COMPILE),)
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CROSS_COMPILE := ppc_8xx-
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endif
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CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000
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LDFLAGS_FINAL += --gc-sections
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LDFLAGS_FINAL += --bss-plt
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PLATFORM_RELFLAGS += -fpic -mrelocatable -ffunction-sections \
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-fdata-sections -mcall-linux
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PF_CPPFLAGS_POWERPC := $(call cc-option,-fno-ira-hoist-pressure,)
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PLATFORM_CPPFLAGS += -D__powerpc__ -ffixed-r2 -m32 $(PF_CPPFLAGS_POWERPC)
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PLATFORM_LDFLAGS += -m32 -melf32ppclinux
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#
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# When cross-compiling on NetBSD, we have to define __PPC__ or else we
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# will pick up a va_list declaration that is incompatible with the
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# actual argument lists emitted by the compiler.
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#
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# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
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ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
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PLATFORM_CPPFLAGS+= -D__PPC__
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endif
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ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
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PLATFORM_CPPFLAGS+= -D__PPC__
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endif
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# Only test once
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ifneq ($(CONFIG_SPL_BUILD),y)
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archprepare: checkgcc4
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# GCC 3.x is reported to have problems generating the type of relocation
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# that U-Boot wants.
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# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
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checkgcc4:
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@if test "$(call cc-name)" = "gcc" -a \
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$(call cc-version) -lt 0400; then \
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echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
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false; \
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fi
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endif
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