| # ***************************************************************************** |
| # * 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 ($(V),0) |
| Q := @ |
| MAKEFLAGS += --silent |
| MAKE += -s |
| else |
| CURDIR=$(shell pwd) |
| %.o: %.c |
| $(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -c $(CURDIR)/$< |
| 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 -Wformat-security |
| CFLAGS ?= -g -O2 -fno-builtin -ffreestanding -nostdinc -msoft-float \ |
| -fno-strict-aliasing -mno-altivec -mabi=no-altivec \ |
| -fno-stack-protector -fno-asynchronous-unwind-tables $(WARNFLAGS) |
| |
| export CC AS LD CLEAN OBJCOPY OBJDUMP STRIP AR RANLIB CFLAGS |
