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buildenv.mk
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#
# Copyright (C) 2011-2016 Intel Corporation. All rights reserved.
#
# 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 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#
# -----------------------------------------------------------------------------
# Function : parent-dir
# Arguments: 1: path
# Returns : Parent dir or path of $1, with final separator removed.
# -----------------------------------------------------------------------------
parent-dir = $(patsubst %/,%,$(dir $(1:%/=%)))
# -----------------------------------------------------------------------------
# Macro : my-dir
# Returns : the directory of the current Makefile
# Usage : $(my-dir)
# -----------------------------------------------------------------------------
my-dir = $(realpath $(call parent-dir,$(lastword $(MAKEFILE_LIST))))
ROOT_DIR := $(call my-dir)
COMMON_DIR := $(ROOT_DIR)/common
LINUX_EXTERNAL_DIR := $(ROOT_DIR)/external
LINUX_PSW_DIR := $(ROOT_DIR)/psw
LINUX_SDK_DIR := $(ROOT_DIR)/sdk
LINUX_UNITTESTS := $(ROOT_DIR)/unittests
CP := /bin/cp -f
MKDIR := mkdir -p
STRIP := strip
OBJCOPY := objcopy
# clean the content of 'INCLUDE' - this variable will be set by vcvars32.bat
# thus it will cause build error when this variable is used by our Makefile,
# when compiling the code under Cygwin tainted by MSVC environment settings.
INCLUDE :=
# this will return the path to the file that included the buildenv.mk file
CUR_DIR := $(realpath $(call parent-dir,$(lastword $(wordlist 2,$(words $(MAKEFILE_LIST)),x $(MAKEFILE_LIST)))))
# turn on stack protector for SDK
COMMON_FLAGS += -fstack-protector
ifdef DEBUG
COMMON_FLAGS += -ggdb -DDEBUG -UNDEBUG
COMMON_FLAGS += -DSE_DEBUG_LEVEL=SE_TRACE_DEBUG
else
COMMON_FLAGS += -O2 -UDEBUG -DNDEBUG
endif
ifdef SE_SIM
COMMON_FLAGS += -DSE_SIM
endif
# turn on compiler warnings as much as possible
COMMON_FLAGS += -Wall -Wextra -Winit-self -Wpointer-arith -Wreturn-type \
-Waddress -Wsequence-point -Wformat-security \
-Wmissing-include-dirs -Wfloat-equal -Wundef -Wshadow \
-Wcast-align -Wconversion -Wredundant-decls
# additional warnings flags for C
CFLAGS += -Wjump-misses-init -Wstrict-prototypes -Wunsuffixed-float-constants
# additional warnings flags for C++
CXXFLAGS += -Wnon-virtual-dtor
# for static_assert()
CXXFLAGS += -std=c++0x
.DEFAULT_GOAL := all
# this turns off the RCS / SCCS implicit rules of GNU Make
% : RCS/%,v
% : RCS/%
% : %,v
% : s.%
% : SCCS/s.%
# If a rule fails, delete $@.
.DELETE_ON_ERROR:
HOST_FILE_PROGRAM := file
UNAME := $(shell uname -m)
ifneq (,$(findstring 86,$(UNAME)))
HOST_ARCH := x86
ifneq (,$(shell $(HOST_FILE_PROGRAM) -L $(SHELL) | grep 'x86[_-]64'))
HOST_ARCH := x86_64
endif
else
$(info Unknown host CPU arhitecture $(UNAME))
$(error Aborting)
endif
BUILD_DIR := $(ROOT_DIR)/build/linux
ifeq "$(findstring __INTEL_COMPILER, $(shell $(CC) -E -dM -xc /dev/null))" "__INTEL_COMPILER"
ifeq ($(shell test -f /usr/bin/dpkg; echo $$?), 0)
ADDED_INC := -I /usr/include/$(shell dpkg-architecture -qDEB_BUILD_MULTIARCH)
endif
endif
ARCH := $(HOST_ARCH)
ifeq "$(findstring -m32, $(CXXFLAGS))" "-m32"
ARCH := x86
endif
ifeq ($(ARCH), x86)
COMMON_FLAGS += -DITT_ARCH_IA32
else
COMMON_FLAGS += -DITT_ARCH_IA64
endif
CFLAGS += $(COMMON_FLAGS)
CXXFLAGS += $(COMMON_FLAGS)
# Compiler and linker options for an Enclave
#
# We are using '--export-dynamic' so that `g_global_data_sim' etc.
# will be exported to dynamic symbol table.
#
# When `pie' is enabled, the linker (both BFD and Gold) under Ubuntu 14.04
# will hide all symbols from dynamic symbol table even if they are marked
# as `global' in the LD version script.
ENCLAVE_CFLAGS = -ffreestanding -nostdinc -fvisibility=hidden -fpie
ENCLAVE_CXXFLAGS = $(ENCLAVE_CFLAGS) -nostdinc++
ENCLAVE_LDFLAGS = -Wl,-Bstatic -Wl,-Bsymbolic -Wl,--no-undefined \
-Wl,-pie,-eenclave_entry -Wl,--export-dynamic \
-Wl,--defsym,__ImageBase=0
# Choose to use the optimized libraries (IPP/String/Math) by default.
# Users could also use the non-optimized source code version by
# explicitly specifying 'USE_OPT_LIBS=0'
USE_OPT_LIBS ?= 1
ifeq ($(ARCH), x86_64)
IPP_SUBDIR = intel64
else
IPP_SUBDIR = ia32
endif
ifneq ($(USE_OPT_LIBS), 0)
SGX_IPP_DIR := $(ROOT_DIR)/external/ippcp_internal
SGX_IPP_INC := $(SGX_IPP_DIR)/inc
IPP_LIBS_DIR := $(SGX_IPP_DIR)/lib/linux/$(IPP_SUBDIR)
LD_IPP := -lippcp -lippcore
else
SGX_IPP_DIR := $(ROOT_DIR)/external/crypto_px
SGX_IPP_INC := $(SGX_IPP_DIR)/include
IPP_LIBS_DIR := $(SGX_IPP_DIR)
LD_IPP := -lcrypto_px
endif