85 lines
2.3 KiB
Plaintext
85 lines
2.3 KiB
Plaintext
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# *****************************************************************************
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# * Copyright (c) 2004, 2008 IBM Corporation
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# * All rights reserved.
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# * This program and the accompanying materials
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# * are made available under the terms of the BSD License
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# * which accompanies this distribution, and is available at
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# * http://www.opensource.org/licenses/bsd-license.php
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# *
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# * Contributors:
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# * IBM Corporation - initial implementation
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# ****************************************************************************/
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#############################################################################
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# BUILD ENV SETTINGS
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#############################################################################
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# CROSS is the prefix of your cross-compiler.
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# You can override this variable in your environment (export CROSS=...).
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ARCH := $(shell uname -p)
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# Auto-detect ppc64
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ifeq (ppc64,$(findstring ppc64,$(ARCH)))
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ifeq ($(ARCH), ppc64le)
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EXTRA_CC = -mbig -mabi=elfv1
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EXTRA_LD = -mbig
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endif
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CROSS ?=
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else
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CROSS ?= powerpc64-linux-
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endif
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CELLSIZE ?= 64
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HOSTCC ?= gcc
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HOSTCFLAGS = -g -Wall -W -O2 -I. -I../include
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DD = dd
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ONLY_CC = $(CROSS)gcc -m$(CELLSIZE) $(EXTRA_CC)
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ONLY_AS = $(CROSS)as -m$(CELLSIZE) $(EXTRA_LD)
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ONLY_LD = $(CROSS)ld -melf$(CELLSIZE)ppc
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# Verbose level:
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# V=0 means completely silent
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# V=1 means brief output
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# V=2 means full output
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V ?= 1
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ifeq ($(V),0)
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Q := @
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MAKEFLAGS += --silent
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MAKE += -s
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else
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CURDIR=$(shell pwd)
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%.o: %.c
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$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -c $(CURDIR)/$<
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endif
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ifeq ($(V),1)
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MAKEFLAGS += --silent
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MAKE += -s
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CC = printf "\t[CC]\t%s\n" `basename "$@"`; $(ONLY_CC)
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AS = printf "\t[AS]\t%s\n" `basename "$@"`; $(ONLY_AS)
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LD = printf "\t[LD]\t%s\n" `basename "$@"`; $(ONLY_LD)
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CLEAN = printf "\t[CLEAN]\t%s\n" "$(DIRECTORY)$$dir"
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else
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CC = $(ONLY_CC)
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AS = $(ONLY_AS)
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LD = $(ONLY_LD)
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CLEAN = echo -n
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endif
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OBJCOPY ?= $(CROSS)objcopy
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OBJDUMP ?= $(CROSS)objdump
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STRIP ?= $(CROSS)strip
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AR ?= $(CROSS)ar
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RANLIB ?= $(CROSS)ranlib
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CPP ?= $(CROSS)cpp
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WARNFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -Wformat-security -Wextra -Wno-unused-parameter
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CFLAGS ?= -g -O2 -fno-builtin -ffreestanding -nostdinc -msoft-float \
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-fno-strict-aliasing -mno-altivec -mabi=no-altivec \
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-fno-stack-protector -fno-asynchronous-unwind-tables $(WARNFLAGS)
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export CC AS LD CLEAN OBJCOPY OBJDUMP STRIP AR RANLIB CFLAGS
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