# BEGIN_ICS_COPYRIGHT8 ****************************************
# 
# Copyright (c) 2015, Intel Corporation
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
#     * Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
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#       may be used to endorse or promote products derived from this software
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# Target specific defines for building PPC target using GNU tools

SHLIB_VERSION		?= 0.0
LIB_PREFIX			= $(BUILDDIR)/lib
SHLIB_SUFFIX		= .dylib
SHLIB_VERSION_SUFFIX= .$(SHLIB_VERSION).dylib
ARLIB_SUFFIX		= .a
EXE_SUFFIX			= 
KEXT_SUFFIX			= .kext
OBJ_SUFFIX			= .o
EXP_SUFFIX			= .exp
RES_SUFFIX			= .res
PRE_SUFFIX			= .pre

# Paths:
# let compiler default inclusion of /usr/include, otherwise g++ builds broken
SYS_INCLUDE_DIRS =
SYS_LIB_DIRS	 =

CC			= /usr/bin/distcc /usr/bin/gcc-3.3
CCC			= /usr/bin/distcc /usr/bin/gcc-3.3 -x c++
LD			= ld
LINT		= lint
AR			= ar
NM			= nm
OBJCOPY		= objcopy

include $(TL_DIR)/Makerules/Defs.GNU

# for GNU we set an soname on shared libraries
# on MAC it must be a full pathname
# this is a bit of a HACK since we hardcode the pathname
SHLIB_SONAME=/usr/lib/$(notdir $(CMD_TARGETS_SHLIB))

# C/C++ compilation
# ----------------------------
# no-common - will put globals uninitialized in .bss instead of .common
# 		hence get link error if multiple declaration
# -fcheck-new does the opposite of what the manual implies.
# -fcheck-new DISABLES the run-time test of return value from new
# TBD - should the following only be for kernel:
#	-fno-common
# TBD -mcpu=970
CMACH		= -Wall -arch ppc -pipe -Wno-trigraphs -fasm-blocks -mtune=G5 -fmessage-length=0 -fpch-preprocess -fno-common -finline -fno-keep-inline-functions -force_cpusubtype_ALL -DCPU_BE -D__PPC__ 
CCMACH		= $(CMACH) -fcheck-new -Wno-ctor-dtor-privacy -fno-rtti
CSYS		= -D__DARWIN__ -DAPPLE -DNeXT
CCSYS		= $(CSYS)
CCLIBS		=
release_CCOPT_Flags	=-O2 -fno-strength-reduce
debug_CCOPT_Flags	= -O0
release_COPT_Flags	=-O2 -fno-strength-reduce
debug_COPT_Flags	= -O0
# Assemble the optimization flags based upon desired build configuration.
CCOPT		= $($(strip $(BUILD_CONFIG))_CCOPT_Flags)
COPT		= $($(strip $(BUILD_CONFIG))_COPT_Flags)
release_CCDEBUG_Flags	= 
release_CDEBUG_Flags	= 
debug_CCDEBUG_Flags	=-g -DIB_DEBUG -D_DEBUG -DDEBUG -DIB_TRACE $(CCPROJDEBUG) $(CCLOCALDEBUG) 
debug_CDEBUG_Flags	=-g -DIB_DEBUG -D_DEBUG -DDEBUG -DIB_TRACE $(CPROJDEBUG) $(CLOCALDEBUG) 
# Assemble the debug flags based upon desired build configuration.
CCDEBUG		= $($(strip $(BUILD_CONFIG))_CCDEBUG_Flags)
CDEBUG		= $($(strip $(BUILD_CONFIG))_CDEBUG_Flags)

# Kernel build settings
#---------------------------------------------
# use CKERNEL and KERNEL_INCLUDE_DIRS to augment CLOCAL, LOCAL_INCLUDE_DIRS when
# building a kernel module

# TBD -fno-strict-aliasing - disables optimizations related to unions/casts
# -include picks up special kernel version specific flags, this allows portable
# kernel modules to be built for multiple system types from a single running
# system
# TBD keep -g on release builds to aid stack backtraces
CKERNELOPTS = -fno-exceptions -msoft-float -mlong-branch -fno-builtin -nostdinc -DKERNEL -DKERNEL_PRIVATE -DDRIVER_PRIVATE -D__KERNEL__ -D_KERNEL -static -include $(TL_DIR)/Makerules/DARWIN/$(BUILD_TARGET).$(BUILD_TARGET_OS_VENDOR).$(BUILD_TARGET_OS_VERSION).h
# omit frame pointer for simple functions
ifeq "$(BUILD_CONFIG)" "release"
#CKERNELOPTS+= -Os -fomit-frame-pointer
CKERNELOPTS+= -O2 -fomit-frame-pointer
else
CKERNELOPTS+= -O1
endif
CKERNEL = -x c++ -fapple-kext $(CKERNELOPTS)

# Include directories for kernel
KERNELDIR=/System/Library/Frameworks/Kernel.framework
KERNEL_INCLUDE_DIRS=$(KERNELDIR)/Headers $(KERNELDIR)/Headers/bsd $(KERNELDIR)/PrivateHeaders /usr/include/g++-3/ke /usr/include/g++-3

# linking
# ----------------------------
LDMACH		= -arch ppc
LDSYS		=
#MKSHLIB		= $(CCC) $(CCDEBUG) $(COPT) -shared
#MKSHLIB		= $(LD) -dylib
MKSHLIB		= $(CC) -dynamiclib -Wl,-prebind_allow_overlap -Wl,-single_module -compatibility_version 1 -current_version 1
#MKSHLIB		= /usr/bin/libtool -dynamic -prebind -compatibility_version 1 -current_version 1
#MKSHLIB		= /usr/bin/libtool -dynamic
ifeq "$(strip $(LIBFILES))" ""
MKARLIB		= $(AR) crus$(space)
else
MKARLIB		= $(MAKETOOLS_DIR)/mkarlib.sh $(AR) crus$(space)
endif
MKPARTIAL	= $(LD) -r -o
#MKMODULE	= /usr/bin/g++-3.3 -arch ppc -static -nostdlib -r -lkmodc++ -lkmod -lcc_kext -o
MKMODULE	= /usr/bin/g++-3.3 -o

KERNELOPTS	= -arch ppc -static -nostdlib -r -lkmodc++ -lkmod -lcc_kext

SYSLIBS		= -lpthread -lstdc++
#LDLIBS		= -Xlinker --start-group $(foreach lib,$(LOCALLIBS) $(LOCALDEPLIBS) $(MODLIBS) $(MODDEPLIBS) $(PROJLIBS) $(PROJDEPLIBS),-l$(lib)) -Xlinker --end-group $(SYSLIBS)
LDLIBS		= $(foreach lib,$(LOCALLIBS) $(LOCALDEPLIBS) $(MODLIBS) $(MODDEPLIBS) $(PROJLIBS) $(PROJDEPLIBS),-l$(lib)) $(SYSLIBS)
# libraries for partial link of a kernel loadable module
#KERNELLIBS		= -static -r -Xlinker --start-group -nostdlib -lkmodc++ -lkmod -lcc_kext $(foreach lib,$(LOCALLIBS) $(LOCALDEPLIBS) $(MODLIBS) $(MODDEPLIBS) $(PROJLIBS) $(PROJDEPLIBS),-l$(lib)) -Xlinker --end-group
KERNELLIBS		= $(KERNELOPTS)

# KEXT creation
ifeq "$(BUILD_PLATFORM_OS_VENDOR_VERSION)" "10.3"
PBXCP = "/Developer/Tools/pbxcp"
else
PBXCP = "/System/Library/PrivateFrameworks/DevToolsCore.framework/Resources/pbxcp"
endif