52 lines
2.1 KiB
Makefile
52 lines
2.1 KiB
Makefile
#
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# Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
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# Copyright 2012, 2013 SAP AG. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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#
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# make c code know it is on a 64 bit platform.
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CFLAGS += -D_LP64=1
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ifeq ($(origin OPENJDK_TARGET_CPU_ENDIAN),undefined)
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# This can happen during hotspot standalone build. Set endianness from
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# uname. We assume build and target machines are the same.
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OPENJDK_TARGET_CPU_ENDIAN:=$(if $(filter ppc64le,$(shell uname -m)),little,big)
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endif
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ifeq ($(filter $(OPENJDK_TARGET_CPU_ENDIAN),big little),)
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$(error OPENJDK_TARGET_CPU_ENDIAN value should be 'big' or 'little')
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endif
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ifeq ($(OPENJDK_TARGET_CPU_ENDIAN),big)
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# fixes `relocation truncated to fit' error for gcc 4.1.
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CFLAGS += -mminimal-toc
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# finds use ppc64 instructions, but schedule for power5
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CFLAGS += -mcpu=powerpc64 -mtune=power5 -minsert-sched-nops=regroup_exact -mno-multiple -mno-string
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else
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# Little endian machine uses ELFv2 ABI.
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CFLAGS += -DVM_LITTLE_ENDIAN -DABI_ELFv2
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# Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI.
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CFLAGS += -mcpu=power7 -mtune=power8 -minsert-sched-nops=regroup_exact -mno-multiple -mno-string
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endif
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