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