# 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.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of Intel Corporation nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# END_ICS_COPYRIGHT8 ****************************************
# suffixes and commands to build targets for:
# BUILD_TARGET_OS=LINUX
# BUILD_TARGET_TOOLCHAIN=GNU
# BUILD_TARGET=X86_64
# Target specific defines for building LINUX target using GNU tools
SHLIB_VERSION ?= 0.0
LIB_PREFIX = $(BUILDDIR)/lib
SHLIB_SUFFIX = .so
SHLIB_VERSION_SUFFIX= .so.$(SHLIB_VERSION)
ARLIB_SUFFIX = .a
EXE_SUFFIX =
OBJ_SUFFIX = .o
ifdef BUILD_26
KOBJ_SUFFIX = .ko
else
KOBJ_SUFFIX = .o
endif
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 = gcc
CCC = g++
# unfortunately defining ld breaks kbuild
#LD = ld
LINT = lint
AR = ar
NM = nm
OBJCOPY = objcopy
include $(TL_DIR)/Makerules/Defs.GNU
# for GNU we set an soname on shared libraries
SHLIB_SONAME=$(notdir $(CMD_TARGETS_SHLIB))
# C/C++ compilation
# ----------------------------
# -fcheck-new does the opposite of what the manual implies.
# -fcheck-new DISABLES the run-time test of return value from new
CMACH = -pipe -DTARGET_CPU_FAMILY_PPC -Wall -D__PPC__ -DCPU_BE -m64 -fno-strict-aliasing
CCMACH = $(CMACH) -fcheck-new -Wno-ctor-dtor-privacy -fno-rtti
CSYS = -DLINUX -Dlinux -D__LINUX__ -DHAVEIOMMU
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 -DIB_TRACE $(CCPROJDEBUG) $(CCLOCALDEBUG)
debug_CDEBUG_Flags =-g -DIB_DEBUG -DIB_TRACE $(CPROJDEBUG) $(CLOCALDEBUG)
# Assemble the debug flags based upon desired build configuration.
CCDEBUG = $($(strip $(BUILD_CONFIG))_CCDEBUG_Flags)
CDEBUG = $($(strip $(BUILD_CONFIG))_CDEBUG_Flags)
# Kernel build settings
#---------------------------------------------
# use CKERNEL and KERNEL_INCLUDE_DIRS to augment CLOCAL, LOCAL_INCLUDE_DIRS when
# building a kernel module
# strict-aliasing - disables optimizations related to unions/casts
# no-common - will put globals uninitialized in .bss instead of common
# hence get link error if multiple declaration
# preferred-stack-boundary=2 -align stack to 2^2 byte boundary,
# possible performance penalty for 64 bit data
# TBD, what does kernel use
# -D_I386_PTRACE_H was a workaround for a ptrace.h header file inclusion issue
# identify where needed and just put in that one makefile
# -include picks up special flags for SMP and MODVERSIONS, this allows portable
# kernel modules to be built for multiple system types from a single running
# system
ifndef BUILD_26
CKERNEL=-D_KERNEL -D__KERNEL__ -DMODULE -DEXPORT_SYMTAB -mcmodel=kernel -Wno-trigraphs -mno-red-zone -fno-reorder-blocks -finline-limit=2000 -fno-strict-aliasing -fno-common -msoft-float
# omit frame pointer for simple functions
# take advantage of pentium pro instructions, default is i386 compatible code
ifeq "$(BUILD_CONFIG)" "release"
CKERNEL+= -fomit-frame-pointer -O2 -fno-strength-reduce
else
# due to extern inline virt_to_phys in io.h in kernel, we must use at least -O1
# COPT will follow CLOCAL in CFLAGS, so it can request a different level
# of optimization if needed
CKERNEL+= -O1
endif
ifeq "$(GCC_MAJOR_VERSION)" "3"
ifeq "$(GCC_MINOR_VERSION)" "3"
ifeq "$(BUILD_PLATFORM_OS_VENDOR)" "SuSE"
CKERNEL+=-fno-unit-at-a-time
endif
endif
endif
endif
CKERNEL+=-m64 -include $(TL_DIR)/Makerules/LINUX/$(BUILD_TARGET).$(BUILD_TARGET_OS_VENDOR).$(BUILD_TARGET_OS_VERSION).h
# Include directories for kernel
KERNELDIR=/lib/modules/$(BUILD_TARGET_OS_VERSION)/build
KERNEL_INCLUDE_DIRS=$(KERNELDIR)/include
# linking
# ----------------------------
LDMACH = -m64
LDSYS =
MKSHLIB = $(CCC) $(CCDEBUG) $(COPT) -shared
ifeq "$(strip $(LIBFILES))" ""
MKARLIB = $(AR) crus$(space)
else
MKARLIB = $(MAKETOOLS_DIR)/mkarlib.sh $(AR) crus$(space)
endif
MKPARTIAL = $(LD) -melf64ppc -r -o
MKMODULE = $(LD) -melf64ppc -r -o
LDLIBSRCH += $(foreach lib,$(LD_LIB_DIRS),-Xlinker -rpath-link -Xlinker $(lib))
SYSLIBS = -lpthread
LDLIBS = -Xlinker --start-group $(foreach lib,$(LOCALLIBS) $(LOCALDEPLIBS) $(MODLIBS) $(MODDEPLIBS) $(PROJLIBS) $(PROJDEPLIBS),-l$(lib)) -Xlinker --end-group $(SYSLIBS)
# libraries for partial link of a kernel loadable module
KERNELLIBS =