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in repository https://gitbox.apache.org/repos/asf/incubator-teaclave.git


The following commit(s) were added to refs/heads/master by this push:
     new 0bfb500  [SDK] Add iOS/macOS build support for protected_fs (#477)
0bfb500 is described below

commit 0bfb500962d1211e1a8e5097b07e4afc4d5c9ca3
Author: Zhaofeng Chen <[email protected]>
AuthorDate: Mon Feb 1 13:39:56 2021 -0800

    [SDK] Add iOS/macOS build support for protected_fs (#477)
---
 common/protected_fs_rs/build.rs                    |  39 +-
 .../protected_fs_rs/protected_fs_c/CMakeLists.txt  |   9 +-
 common/protected_fs_rs/protected_fs_c/README.md    |  22 +
 common/protected_fs_rs/protected_fs_c/build.sh     |  30 +-
 .../protected_fs_c/inc/non_sgx_protected_fs.h      |   3 +-
 .../protected_fs_c/ios.toolchain.cmake             | 740 +++++++++++++++++++++
 .../sgx_uprotected_fs/sgx_uprotected_fs.cpp        |   6 +-
 licenses/LICENSE-ios-cmake.txt                     |  28 +
 8 files changed, 859 insertions(+), 18 deletions(-)

diff --git a/common/protected_fs_rs/build.rs b/common/protected_fs_rs/build.rs
index 07cacea..c391f2d 100644
--- a/common/protected_fs_rs/build.rs
+++ b/common/protected_fs_rs/build.rs
@@ -23,15 +23,31 @@ use std::process::Command;
 #[cfg(not(feature = "mesalock_sgx"))]
 fn build_non_sgx_protected_fs_c_with_cmake() {
     let build_dir = 
PathBuf::from(env::var_os("OUT_DIR").unwrap()).join("build");
+    let target = std::env::var("TARGET").unwrap();
+    let profile = std::env::var("PROFILE").unwrap();
+    let build_type = match profile.as_str() {
+        "debug" => "Debug",
+        "release" => "Release",
+        _ => panic!("Unsupported profile: {}", profile),
+    };
+
     let script = PathBuf::from("protected_fs_c").join("build.sh");
-    let target_dir = build_dir.join("target");
+    let target_dir = if target == "aarch64-apple-ios" {
+        build_dir.join("target").join(build_type)
+    } else {
+        build_dir.join("target")
+    };
 
     let status = Command::new("bash")
         .arg(&script)
-        .arg("--build")
+        .arg("--build_dir")
         .arg(&build_dir)
         .arg("--mode")
         .arg("non_sgx")
+        .arg("--target")
+        .arg(&target)
+        .arg("--build_type")
+        .arg(&build_type)
         .status()
         .expect("bash command failed to start");
     assert!(status.success());
@@ -39,6 +55,10 @@ fn build_non_sgx_protected_fs_c_with_cmake() {
     println!("cargo:rustc-link-search=native={}", target_dir.display());
     println!("cargo:rustc-link-lib=static=tprotected_fs");
     println!("cargo:rustc-link-lib=static=uprotected_fs");
+    if target != "aarch64-apple-ios" {
+        println!("cargo:rustc-link-lib=crypto");
+        println!("cargo:rustc-link-lib=stdc++");
+    }
 }
 
 #[cfg(feature = "mesalock_sgx")]
@@ -46,15 +66,26 @@ fn build_sgx_protected_fs_c_with_cmake() {
     let sdk_dir = env::var("SGX_SDK").unwrap_or("/opt/intel/sgxsdk".into());
     let build_dir = 
PathBuf::from(env::var_os("OUT_DIR").unwrap()).join("build");
     let script = PathBuf::from("protected_fs_c").join("build.sh");
+    let target = std::env::var("TARGET").unwrap();
+    let profile = std::env::var("PROFILE").unwrap();
+    let build_type = match profile.as_str() {
+        "debug" => "Debug",
+        "release" => "Release",
+        _ => panic!("Unsupported profile: {}", profile),
+    };
     let target_dir = build_dir.join("target");
 
     let status = Command::new("bash")
         .env("SGX_SDK", &sdk_dir)
         .arg(&script)
-        .arg("--build")
+        .arg("--build_dir")
         .arg(&build_dir)
         .arg("--mode")
         .arg("sgx")
+        .arg("--target")
+        .arg(&target)
+        .arg("--build_type")
+        .arg(&build_type)
         .status()
         .expect("bash command failed to start");
     assert!(status.success());
@@ -71,8 +102,6 @@ cfg_if! {
     } else {
         fn build() {
             build_non_sgx_protected_fs_c_with_cmake();
-            println!("cargo:rustc-link-lib=crypto");
-            println!("cargo:rustc-link-lib=stdc++");
         }
     }
 }
diff --git a/common/protected_fs_rs/protected_fs_c/CMakeLists.txt 
b/common/protected_fs_rs/protected_fs_c/CMakeLists.txt
index bda97e0..da6b129 100644
--- a/common/protected_fs_rs/protected_fs_c/CMakeLists.txt
+++ b/common/protected_fs_rs/protected_fs_c/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 2.6)
+cmake_minimum_required (VERSION 3.2)
 project(protected_fs_c)
 set (PROTECTED_FS_VERSION_MAJOR 0)
 set (PROTECTED_FS_VERSION_MINOR 1)
@@ -14,13 +14,16 @@ configure_file(
 include_directories("${PROJECT_BINARY_DIR}")
 include_directories("inc")
 
+
 option (NON_SGX_PROTECTED_FS
         "Use PROTECTED_FS NON SGX VERSION" ON)
 
 set (SGX_SDK $ENV{SGX_SDK})
 
 if (NON_SGX_PROTECTED_FS)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -U__STRICT_ANSI__ 
-std=c++11 -lpthread -fPIC")
+    find_package(OpenSSL REQUIRED)
+    include_directories("${OPENSSL_INCLUDE_DIR}")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror -U__STRICT_ANSI__ 
-std=c++11 -fPIC")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-local-typedefs 
-Wno-shadow -Wno-missing-field-initializers -Wno-unused-parameter")
 elseif (NOT EXISTS ${SGX_SDK})
     message(FATAL_ERROR "$SGX_SDK directory must exist")
@@ -32,4 +35,4 @@ else ()
 endif (NON_SGX_PROTECTED_FS)
 
 add_subdirectory (sgx_tprotected_fs)
-add_subdirectory (sgx_uprotected_fs)
\ No newline at end of file
+add_subdirectory (sgx_uprotected_fs)
diff --git a/common/protected_fs_rs/protected_fs_c/README.md 
b/common/protected_fs_rs/protected_fs_c/README.md
new file mode 100644
index 0000000..e37d23f
--- /dev/null
+++ b/common/protected_fs_rs/protected_fs_c/README.md
@@ -0,0 +1,22 @@
+
+## Compile for Non-SGX
+```
+mkdir build
+cd build
+cmake .. -DNON_SGX_PROTECTED_FS=ON
+make
+```
+
+## Compile for iOS
+
+```bash
+# select xcode build env
+sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer
+```
+
+```bash
+mkdir build
+cd build
+cmake .. -G Xcode -DCMAKE_TOOLCHAIN_FILE=../ios.toolchain.cmake 
-DPLATFORM=OS64 -DNON_SGX_PROTECTED_FS=ON
+cmake --build . --config Release
+```
diff --git a/common/protected_fs_rs/protected_fs_c/build.sh 
b/common/protected_fs_rs/protected_fs_c/build.sh
index 48165c8..2b3a698 100644
--- a/common/protected_fs_rs/protected_fs_c/build.sh
+++ b/common/protected_fs_rs/protected_fs_c/build.sh
@@ -6,7 +6,7 @@ display_usage() {
        printf "Usage:\n  %s --build <dir> --mode {sgx|non_sgx} \n"  
"$(basename "$0")"
 } 
 
-OPTS=`getopt -o b:m: --long build:,mode: -n 'parse-options' -- "$@"`
+OPTS=`getopt -o b:m:t:d --long build_dir:,mode:,target:,build_type: -n 
'parse-options' -- "$@"`
 
 if [ $? != 0 ]
 then 
@@ -14,32 +14,46 @@ then
     exit 1
 fi
 
+SOURCE_DIR="$( cd "$(dirname "$0")" ; pwd -P )"
+
 while true; do
   case "$1" in
-    -b | --build ) BUILD_DIR="$2"; shift; shift ;;
-    -m | --mode) 
+    -b | --build_dir ) BUILD_DIR="$2"; shift; shift ;;
+    -m | --mode ) 
         case "$2" in 
             sgx) MODE="-DNON_SGX_PROTECTED_FS=OFF";;
             non_sgx) MODE="-DNON_SGX_PROTECTED_FS=ON";;
             *) echo "Invalid mode provided!";;
         esac
         shift; shift ;;
+    -t | --target ) 
+        case "$2" in 
+            aarch64-apple-ios) TARGET_FLAGS="-G Xcode 
-DCMAKE_TOOLCHAIN_FILE=${SOURCE_DIR}/ios.toolchain.cmake -DPLATFORM=OS64";;
+            *) TARGET_FLAGS="";;
+        esac
+        shift; shift ;;
+    -d | --build_type) 
+        case "$2" in 
+            Release) BUILD_TYPE="--config Release";;
+            Debug) BUILD_TYPE="--config Debug";;
+            *) echo "Invalid build_type provided!";;
+        esac
+        shift; shift ;;
     -- ) shift; break ;;
     * ) break ;;
   esac
 done
 
-if [ -z "$BUILD_DIR" ] || [ -z "$MODE" ]
+if [ -z "$BUILD_DIR" ] || [ -z "$MODE" ] || [ -z "$BUILD_TYPE" ]
 then 
     display_usage
     exit 1
 fi
 
-SOURCE_DIR="$( cd "$(dirname "$0")" ; pwd -P )"
 
 mkdir -p "${BUILD_DIR}"
 cd "${BUILD_DIR}"
-cmake "${MODE}" "${SOURCE_DIR}"
-make -j1
+cmake ${TARGET_FLAGS} ${MODE} ${BUILD_TYPE} "${SOURCE_DIR}"
 
-# Final libraries will be installed to $BUILD_DIR/target
+# We need to force build with -j1 here.
+cmake --build . ${BUILD_TYPE} -- -j1
diff --git a/common/protected_fs_rs/protected_fs_c/inc/non_sgx_protected_fs.h 
b/common/protected_fs_rs/protected_fs_c/inc/non_sgx_protected_fs.h
index 2350a88..28e69ed 100644
--- a/common/protected_fs_rs/protected_fs_c/inc/non_sgx_protected_fs.h
+++ b/common/protected_fs_rs/protected_fs_c/inc/non_sgx_protected_fs.h
@@ -7,6 +7,7 @@
 
 #include <stdint.h>
 #include <string.h>
+#include <errno.h>
 
 #define SGX_AESGCM_IV_SIZE              12
 #define SGX_AESGCM_KEY_SIZE             16
@@ -73,4 +74,4 @@ sgx_status_t read_rand(uint8_t *buf, size_t size);
 int memset_s(void *s, size_t smax, int c, size_t n);
 int consttime_memequal(const void *b1, const void *b2, size_t len);
 
-#endif // _NON_SGX_PROTECTED_FS_H_
\ No newline at end of file
+#endif // _NON_SGX_PROTECTED_FS_H_
diff --git a/common/protected_fs_rs/protected_fs_c/ios.toolchain.cmake 
b/common/protected_fs_rs/protected_fs_c/ios.toolchain.cmake
new file mode 100644
index 0000000..de5aa44
--- /dev/null
+++ b/common/protected_fs_rs/protected_fs_c/ios.toolchain.cmake
@@ -0,0 +1,740 @@
+# This file is part of the ios-cmake project. It was retrieved from
+# https://github.com/gerstrong/ios-cmake.git which is a fork of
+# https://github.com/cristeab/ios-cmake.git, which again is a fork of
+# https://code.google.com/p/ios-cmake/. Which in turn is based off of
+# the Platform/Darwin.cmake and Platform/UnixPaths.cmake files which
+# are included with CMake 2.8.4
+#
+# The ios-cmake project is licensed under the new BSD license.
+#
+# Copyright (c) 2014, Bogdan Cristea and LTE Engineering Software,
+# Kitware, Inc., Insight Software Consortium.  All rights reserved.
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#
+# 2. 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.
+#
+# 3. Neither the name of the copyright holder 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 HOLDER 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.
+#
+# This file is based off of the Platform/Darwin.cmake and
+# Platform/UnixPaths.cmake files which are included with CMake 2.8.4
+# It has been altered for iOS development.
+#
+# Updated by Alex Stewart ([email protected])
+#
+# *****************************************************************************
+#      Now maintained by Alexander Widerberg (widerbergaren [at] gmail.com)
+#                      under the BSD-3-Clause license
+#                   https://github.com/leetal/ios-cmake
+# *****************************************************************************
+#
+#                           INFORMATION / HELP
+#
+# The following arguments control the behaviour of this toolchain:
+#
+# PLATFORM: (default "OS")
+#    OS = Build for iPhoneOS.
+#    OS64 = Build for arm64 iphoneOS.
+#    OS64COMBINED = Build for arm64 x86_64 iphoneOS. Combined into FAT STATIC 
lib (supported on 3.14+ of CMakewith "-G Xcode" argument ONLY)
+#    SIMULATOR = Build for x86 i386 iphoneOS Simulator.
+#    SIMULATOR64 = Build for x86_64 iphoneOS Simulator.
+#    TVOS = Build for arm64 tvOS.
+#    TVOSCOMBINED = Build for arm64 x86_64 tvOS. Combined into FAT STATIC lib 
(supported on 3.14+ of CMake with "-G Xcode" argument ONLY)
+#    SIMULATOR_TVOS = Build for x86_64 tvOS Simulator.
+#    WATCHOS = Build for armv7k arm64_32 for watchOS.
+#    WATCHOSCOMBINED = Build for armv7k arm64_32 x86_64 watchOS. Combined into 
FAT STATIC lib (supported on 3.14+ of CMake with "-G Xcode" argument ONLY)
+#    SIMULATOR_WATCHOS = Build for x86_64 for watchOS Simulator.
+#
+# CMAKE_OSX_SYSROOT: Path to the SDK to use.  By default this is
+#    automatically determined from PLATFORM and xcodebuild, but
+#    can also be manually specified (although this should not be required).
+#
+# CMAKE_DEVELOPER_ROOT: Path to the Developer directory for the platform
+#    being compiled for.  By default this is automatically determined from
+#    CMAKE_OSX_SYSROOT, but can also be manually specified (although this 
should
+#    not be required).
+#
+# DEPLOYMENT_TARGET: Minimum SDK version to target. Default 2.0 on watchOS and 
9.0 on tvOS+iOS
+#
+# ENABLE_BITCODE: (1|0) Enables or disables bitcode support. Default 1 (true)
+#
+# ENABLE_ARC: (1|0) Enables or disables ARC support. Default 1 (true, ARC 
enabled by default)
+#
+# ENABLE_VISIBILITY: (1|0) Enables or disables symbol visibility support. 
Default 0 (false, visibility hidden by default)
+#
+# ENABLE_STRICT_TRY_COMPILE: (1|0) Enables or disables strict try_compile() on 
all Check* directives (will run linker
+#    to actually check if linking is possible). Default 0 (false, will set 
CMAKE_TRY_COMPILE_TARGET_TYPE to STATIC_LIBRARY)
+#
+# ARCHS: (armv7 armv7s armv7k arm64 arm64_32 i386 x86_64) If specified, will 
override the default architectures for the given PLATFORM
+#    OS = armv7 armv7s arm64 (if applicable)
+#    OS64 = arm64 (if applicable)
+#    SIMULATOR = i386
+#    SIMULATOR64 = x86_64
+#    TVOS = arm64
+#    SIMULATOR_TVOS = x86_64 (i386 has since long been deprecated)
+#    WATCHOS = armv7k arm64_32 (if applicable)
+#    SIMULATOR_WATCHOS = x86_64 (i386 has since long been deprecated)
+#
+# This toolchain defines the following variables for use externally:
+#
+# XCODE_VERSION: Version number (not including Build version) of Xcode 
detected.
+# SDK_VERSION: Version of SDK being used.
+# CMAKE_OSX_ARCHITECTURES: Architectures being compiled for (generated from 
PLATFORM).
+# APPLE_TARGET_TRIPLE: Used by autoconf build systems. NOTE: If "ARCHS" are 
overridden, this will *NOT* be set!
+#
+# This toolchain defines the following macros for use externally:
+#
+# set_xcode_property (TARGET XCODE_PROPERTY XCODE_VALUE XCODE_VARIANT)
+#   A convenience macro for setting xcode specific properties on targets.
+#   Available variants are: All, Release, RelWithDebInfo, Debug, MinSizeRel
+#   example: set_xcode_property (myioslib IPHONEOS_DEPLOYMENT_TARGET "3.1" 
"all").
+#
+# find_host_package (PROGRAM ARGS)
+#   A macro used to find executable programs on the host system, not within the
+#   environment.  Thanks to the android-cmake project for providing the
+#   command.
+#
+# ******************************** DEPRECATIONS *******************************
+#
+# IOS_DEPLOYMENT_TARGET: (Deprecated) Alias to DEPLOYMENT_TARGET
+# CMAKE_IOS_DEVELOPER_ROOT: (Deprecated) Alias to CMAKE_DEVELOPER_ROOT
+# IOS_PLATFORM: (Deprecated) Alias to PLATFORM
+# IOS_ARCH: (Deprecated) Alias to ARCHS
+#
+# *****************************************************************************
+#
+
+# Fix for PThread library not in path
+set(CMAKE_THREAD_LIBS_INIT "-lpthread")
+set(CMAKE_HAVE_THREADS_LIBRARY 1)
+set(CMAKE_USE_WIN32_THREADS_INIT 0)
+set(CMAKE_USE_PTHREADS_INIT 1)
+
+# Cache what generator is used
+set(USED_CMAKE_GENERATOR "${CMAKE_GENERATOR}" CACHE STRING "Expose 
CMAKE_GENERATOR" FORCE)
+
+if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.14")
+  set(MODERN_CMAKE YES)
+endif()
+
+# Get the Xcode version being used.
+execute_process(COMMAND xcodebuild -version
+  OUTPUT_VARIABLE XCODE_VERSION
+  ERROR_QUIET
+  OUTPUT_STRIP_TRAILING_WHITESPACE)
+string(REGEX MATCH "Xcode [0-9\\.]+" XCODE_VERSION "${XCODE_VERSION}")
+string(REGEX REPLACE "Xcode ([0-9\\.]+)" "\\1" XCODE_VERSION 
"${XCODE_VERSION}")
+
+# Assuming that xcode 12.0 is installed you most probably have ios sdk 14.2 or 
later installed (tested on Big Sur)
+# if you don't set a deployment target it will be set the way you only get 
64-bit builds
+if(NOT DEFINED DEPLOYMENT_TARGET AND XCODE_VERSION VERSION_GREATER 12.0)
+  option(DROP_32_BIT "Will make drop 32-bit support universally. On later sdks 
you won't be able to build 32-bit apps" yes)
+  # Temporarily fix the arm64 issues in CMake install-combined by excluding 
arm64 for simulator builds (needed for Apple Silicon...)
+  set(CMAKE_XCODE_ATTRIBUTE_EXCLUDED_ARCHS[sdk=iphonesimulator*] "arm64")
+endif()
+
+######## ALIASES (DEPRECATION WARNINGS)
+
+if(DEFINED IOS_PLATFORM)
+  set(PLATFORM ${IOS_PLATFORM})
+  message(DEPRECATION "IOS_PLATFORM argument is DEPRECATED. Consider using the 
new PLATFORM argument instead.")
+endif()
+
+if(DEFINED IOS_DEPLOYMENT_TARGET)
+  set(DEPLOYMENT_TARGET ${IOS_DEPLOYMENT_TARGET})
+  message(DEPRECATION "IOS_DEPLOYMENT_TARGET argument is DEPRECATED. Consider 
using the new DEPLOYMENT_TARGET argument instead.")
+endif()
+
+if(DEFINED CMAKE_IOS_DEVELOPER_ROOT)
+  set(CMAKE_DEVELOPER_ROOT ${CMAKE_IOS_DEVELOPER_ROOT})
+  message(DEPRECATION "CMAKE_IOS_DEVELOPER_ROOT argument is DEPRECATED. 
Consider using the new CMAKE_DEVELOPER_ROOT argument instead.")
+endif()
+
+if(DEFINED IOS_ARCH)
+  set(ARCHS ${IOS_ARCH})
+  message(DEPRECATION "IOS_ARCH argument is DEPRECATED. Consider using the new 
ARCHS argument instead.")
+endif()
+
+######## END ALIASES
+
+# Unset the FORCE on cache variables if in try_compile()
+set(FORCE_CACHE FORCE)
+get_property(_CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
+if(_CMAKE_IN_TRY_COMPILE)
+  unset(FORCE_CACHE)
+endif()
+
+# Default to building for iPhoneOS if not specified otherwise, and we cannot
+# determine the platform from the CMAKE_OSX_ARCHITECTURES variable. The use
+# of CMAKE_OSX_ARCHITECTURES is such that try_compile() projects can correctly
+# determine the value of PLATFORM from the root project, as
+# CMAKE_OSX_ARCHITECTURES is propagated to them by CMake.
+if(NOT DEFINED PLATFORM)
+  if (CMAKE_OSX_ARCHITECTURES)
+    if(CMAKE_OSX_ARCHITECTURES MATCHES "arm64" AND CMAKE_OSX_SYSROOT MATCHES 
".*iphoneos.*")
+      set(PLATFORM "OS64")
+    elseif(CMAKE_OSX_ARCHITECTURES MATCHES ".*arm.*" AND CMAKE_OSX_SYSROOT 
MATCHES ".*iphoneos.*")
+      set(PLATFORM "OS")
+    elseif(CMAKE_OSX_ARCHITECTURES MATCHES "i386" AND CMAKE_OSX_SYSROOT 
MATCHES ".*iphonesimulator.*")
+      set(PLATFORM "SIMULATOR")
+    elseif(CMAKE_OSX_ARCHITECTURES MATCHES "x86_64" AND CMAKE_OSX_SYSROOT 
MATCHES ".*iphonesimulator.*")
+      set(PLATFORM "SIMULATOR64")
+    elseif(CMAKE_OSX_ARCHITECTURES MATCHES "arm64" AND CMAKE_OSX_SYSROOT 
MATCHES ".*appletvos.*")
+      set(PLATFORM "TVOS")
+    elseif(CMAKE_OSX_ARCHITECTURES MATCHES "x86_64" AND CMAKE_OSX_SYSROOT 
MATCHES ".*appletvsimulator.*")
+      set(PLATFORM "SIMULATOR_TVOS")
+    elseif(CMAKE_OSX_ARCHITECTURES MATCHES ".*armv7k.*" AND CMAKE_OSX_SYSROOT 
MATCHES ".*watchos.*")
+      set(PLATFORM "WATCHOS")
+    elseif(CMAKE_OSX_ARCHITECTURES MATCHES "i386" AND CMAKE_OSX_SYSROOT 
MATCHES ".*watchsimulator.*")
+      set(PLATFORM "SIMULATOR_WATCHOS")
+    endif()
+  endif()
+  if (NOT PLATFORM)
+    if(DROP_32_BIT)
+      set(PLATFORM "OS64")
+    else()
+      set(PLATFORM "OS")
+    endif()
+  endif()
+endif()
+
+set(PLATFORM_INT "${PLATFORM}" CACHE STRING "Type of platform for which the 
build targets.")
+
+# Handle the case where we are targeting iOS and a version above 10.3.4 
(32-bit support dropped officially)
+if(PLATFORM_INT STREQUAL "OS" AND DEPLOYMENT_TARGET VERSION_GREATER_EQUAL 
10.3.4)
+  set(PLATFORM_INT "OS64")
+  message(STATUS "Targeting minimum SDK version ${DEPLOYMENT_TARGET}. Dropping 
32-bit support.")
+elseif(PLATFORM_INT STREQUAL "SIMULATOR" AND DEPLOYMENT_TARGET 
VERSION_GREATER_EQUAL 10.3.4)
+  set(PLATFORM_INT "SIMULATOR64")
+  message(STATUS "Targeting minimum SDK version ${DEPLOYMENT_TARGET}. Dropping 
32-bit support.")
+endif()
+
+# Determine the platform name and architectures for use in xcodebuild commands
+# from the specified PLATFORM name.
+if(PLATFORM_INT STREQUAL "OS")
+  set(SDK_NAME iphoneos)
+  if(NOT ARCHS)
+    set(ARCHS armv7 armv7s arm64)
+    set(APPLE_TARGET_TRIPLE_INT arm-apple-ios)
+  endif()
+elseif(PLATFORM_INT STREQUAL "OS64")
+  set(SDK_NAME iphoneos)
+  if(NOT ARCHS)
+    if (XCODE_VERSION VERSION_GREATER 10.0)
+      set(ARCHS arm64) # Add arm64e when Apple have fixed the integration 
issues with it, libarclite_iphoneos.a is currently missung bitcode markers for 
example
+    else()
+      set(ARCHS arm64)
+    endif()
+    set(APPLE_TARGET_TRIPLE_INT aarch64-apple-ios)
+  endif()
+elseif(PLATFORM_INT STREQUAL "OS64COMBINED")
+  set(SDK_NAME iphoneos)
+  if(MODERN_CMAKE)
+    if(NOT ARCHS)
+      if (XCODE_VERSION VERSION_GREATER 10.0)
+        set(ARCHS arm64 x86_64) # Add arm64e when Apple have fixed the 
integration issues with it, libarclite_iphoneos.a is currently missung bitcode 
markers for example
+      else()
+        set(ARCHS arm64 x86_64)
+      endif()
+      set(APPLE_TARGET_TRIPLE_INT aarch64-x86_64-apple-ios)
+    endif()
+  else()
+    message(FATAL_ERROR "Please make sure that you are running CMake 3.14+ to 
make the OS64COMBINED setting work")
+  endif()
+elseif(PLATFORM_INT STREQUAL "SIMULATOR")
+  set(SDK_NAME iphonesimulator)
+  if(NOT ARCHS)
+    set(ARCHS i386)
+    set(APPLE_TARGET_TRIPLE_INT i386-apple-ios)
+  endif()
+  message(DEPRECATION "SIMULATOR IS DEPRECATED. Consider using SIMULATOR64 
instead.")
+elseif(PLATFORM_INT STREQUAL "SIMULATOR64")
+  set(SDK_NAME iphonesimulator)
+  if(NOT ARCHS)
+    set(ARCHS x86_64)
+    set(APPLE_TARGET_TRIPLE_INT x86_64-apple-ios)
+  endif()
+elseif(PLATFORM_INT STREQUAL "TVOS")
+  set(SDK_NAME appletvos)
+  if(NOT ARCHS)
+    set(ARCHS arm64)
+    set(APPLE_TARGET_TRIPLE_INT aarch64-apple-tvos)
+  endif()
+elseif (PLATFORM_INT STREQUAL "TVOSCOMBINED")
+  set(SDK_NAME appletvos)
+  if(MODERN_CMAKE)
+    if(NOT ARCHS)
+      set(ARCHS arm64 x86_64)
+      set(APPLE_TARGET_TRIPLE_INT aarch64-x86_64-apple-tvos)
+    endif()
+  else()
+    message(FATAL_ERROR "Please make sure that you are running CMake 3.14+ to 
make the TVOSCOMBINED setting work")
+  endif()
+elseif(PLATFORM_INT STREQUAL "SIMULATOR_TVOS")
+  set(SDK_NAME appletvsimulator)
+  if(NOT ARCHS)
+    set(ARCHS x86_64)
+    set(APPLE_TARGET_TRIPLE_INT x86_64-apple-tvos)
+  endif()
+elseif(PLATFORM_INT STREQUAL "WATCHOS")
+  set(SDK_NAME watchos)
+  if(NOT ARCHS)
+    if (XCODE_VERSION VERSION_GREATER 10.0)
+      set(ARCHS armv7k arm64_32)
+      set(APPLE_TARGET_TRIPLE_INT aarch64_32-apple-watchos)
+    else()
+      set(ARCHS armv7k)
+      set(APPLE_TARGET_TRIPLE_INT arm-apple-watchos)
+    endif()
+  endif()
+elseif(PLATFORM_INT STREQUAL "WATCHOSCOMBINED")
+  set(SDK_NAME watchos)
+  if(MODERN_CMAKE)
+    if(NOT ARCHS)
+      if (XCODE_VERSION VERSION_GREATER 10.0)
+        set(ARCHS armv7k arm64_32 i386)
+        set(APPLE_TARGET_TRIPLE_INT aarch64_32-i386-apple-watchos)
+      else()
+        set(ARCHS armv7k i386)
+        set(APPLE_TARGET_TRIPLE_INT arm-i386-apple-watchos)
+      endif()
+    endif()
+  else()
+    message(FATAL_ERROR "Please make sure that you are running CMake 3.14+ to 
make the WATCHOSCOMBINED setting work")
+  endif()
+elseif(PLATFORM_INT STREQUAL "SIMULATOR_WATCHOS")
+  set(SDK_NAME watchsimulator)
+  if(NOT ARCHS)
+    set(ARCHS i386)
+    set(APPLE_TARGET_TRIPLE_INT i386-apple-watchos)
+  endif()
+else()
+  message(FATAL_ERROR "Invalid PLATFORM: ${PLATFORM_INT}")
+endif()
+
+if(MODERN_CMAKE AND PLATFORM_INT MATCHES ".*COMBINED" AND NOT 
USED_CMAKE_GENERATOR MATCHES "Xcode")
+  message(FATAL_ERROR "The COMBINED options only work with Xcode generator, -G 
Xcode")
+endif()
+
+# If user did not specify the SDK root to use, then query xcodebuild for it.
+execute_process(COMMAND xcodebuild -version -sdk ${SDK_NAME} Path
+    OUTPUT_VARIABLE CMAKE_OSX_SYSROOT_INT
+    ERROR_QUIET
+    OUTPUT_STRIP_TRAILING_WHITESPACE)
+if (NOT DEFINED CMAKE_OSX_SYSROOT_INT AND NOT DEFINED CMAKE_OSX_SYSROOT)
+  message(SEND_ERROR "Please make sure that Xcode is installed and that the 
toolchain"
+  "is pointing to the correct path. Please run:"
+  "sudo xcode-select -s /Applications/Xcode.app/Contents/Developer"
+  "and see if that fixes the problem for you.")
+  message(FATAL_ERROR "Invalid CMAKE_OSX_SYSROOT: ${CMAKE_OSX_SYSROOT} "
+  "does not exist.")
+elseif(DEFINED CMAKE_OSX_SYSROOT_INT)
+   set(CMAKE_OSX_SYSROOT "${CMAKE_OSX_SYSROOT_INT}" CACHE INTERNAL "")
+endif()
+
+# Set Xcode property for SDKROOT as well if Xcode generator is used
+if(USED_CMAKE_GENERATOR MATCHES "Xcode")
+  set(CMAKE_OSX_SYSROOT "${SDK_NAME}" CACHE INTERNAL "")
+  if(NOT DEFINED CMAKE_XCODE_ATTRIBUTE_DEVELOPMENT_TEAM)
+    set(CMAKE_XCODE_ATTRIBUTE_DEVELOPMENT_TEAM "123456789A")
+  endif()
+endif()
+
+# Specify minimum version of deployment target.
+if(NOT DEFINED DEPLOYMENT_TARGET)
+  if (PLATFORM_INT STREQUAL "WATCHOS" OR PLATFORM_INT STREQUAL 
"SIMULATOR_WATCHOS")
+    # Unless specified, SDK version 2.0 is used by default as minimum target 
version (watchOS).
+    set(DEPLOYMENT_TARGET "2.0"
+            CACHE STRING "Minimum SDK version to build for." )
+  else()
+    # Unless specified, SDK version 9.0 is used by default as minimum target 
version (iOS, tvOS).
+    set(DEPLOYMENT_TARGET "9.0"
+            CACHE STRING "Minimum SDK version to build for." )
+  endif()
+  message(STATUS "Using the default min-version since DEPLOYMENT_TARGET not 
provided!")
+endif()
+
+# Use bitcode or not
+if(NOT DEFINED ENABLE_BITCODE AND NOT ARCHS MATCHES "((^|;|, )(i386|x86_64))+")
+  # Unless specified, enable bitcode support by default
+  message(STATUS "Enabling bitcode support by default. ENABLE_BITCODE not 
provided!")
+  set(ENABLE_BITCODE TRUE)
+elseif(NOT DEFINED ENABLE_BITCODE)
+  message(STATUS "Disabling bitcode support by default on simulators. 
ENABLE_BITCODE not provided for override!")
+  set(ENABLE_BITCODE FALSE)
+endif()
+set(ENABLE_BITCODE_INT ${ENABLE_BITCODE} CACHE BOOL "Whether or not to enable 
bitcode" ${FORCE_CACHE})
+# Use ARC or not
+if(NOT DEFINED ENABLE_ARC)
+  # Unless specified, enable ARC support by default
+  set(ENABLE_ARC TRUE)
+  message(STATUS "Enabling ARC support by default. ENABLE_ARC not provided!")
+endif()
+set(ENABLE_ARC_INT ${ENABLE_ARC} CACHE BOOL "Whether or not to enable ARC" 
${FORCE_CACHE})
+# Use hidden visibility or not
+if(NOT DEFINED ENABLE_VISIBILITY)
+  # Unless specified, disable symbols visibility by default
+  set(ENABLE_VISIBILITY FALSE)
+  message(STATUS "Hiding symbols visibility by default. ENABLE_VISIBILITY not 
provided!")
+endif()
+set(ENABLE_VISIBILITY_INT ${ENABLE_VISIBILITY} CACHE BOOL "Whether or not to 
hide symbols (-fvisibility=hidden)" ${FORCE_CACHE})
+# Set strict compiler checks or not
+if(NOT DEFINED ENABLE_STRICT_TRY_COMPILE)
+  # Unless specified, disable strict try_compile()
+  set(ENABLE_STRICT_TRY_COMPILE FALSE)
+  message(STATUS "Using NON-strict compiler checks by default. 
ENABLE_STRICT_TRY_COMPILE not provided!")
+endif()
+set(ENABLE_STRICT_TRY_COMPILE_INT ${ENABLE_STRICT_TRY_COMPILE} CACHE BOOL 
"Whether or not to use strict compiler checks" ${FORCE_CACHE})
+# Get the SDK version information.
+execute_process(COMMAND xcodebuild -sdk ${CMAKE_OSX_SYSROOT} -version 
SDKVersion
+  OUTPUT_VARIABLE SDK_VERSION
+  ERROR_QUIET
+  OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+# Find the Developer root for the specific iOS platform being compiled for
+# from CMAKE_OSX_SYSROOT.  Should be ../../ from SDK specified in
+# CMAKE_OSX_SYSROOT. There does not appear to be a direct way to obtain
+# this information from xcrun or xcodebuild.
+if (NOT DEFINED CMAKE_DEVELOPER_ROOT AND NOT USED_CMAKE_GENERATOR MATCHES 
"Xcode")
+  get_filename_component(PLATFORM_SDK_DIR ${CMAKE_OSX_SYSROOT} PATH)
+  get_filename_component(CMAKE_DEVELOPER_ROOT ${PLATFORM_SDK_DIR} PATH)
+  if (NOT DEFINED CMAKE_DEVELOPER_ROOT)
+    message(FATAL_ERROR "Invalid CMAKE_DEVELOPER_ROOT: "
+      "${CMAKE_DEVELOPER_ROOT} does not exist.")
+  endif()
+endif()
+# Find the C & C++ compilers for the specified SDK.
+if(NOT CMAKE_C_COMPILER)
+  execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -find clang
+    OUTPUT_VARIABLE CMAKE_C_COMPILER
+    ERROR_QUIET
+    OUTPUT_STRIP_TRAILING_WHITESPACE)
+  message(STATUS "Using C compiler: ${CMAKE_C_COMPILER}")
+endif()
+if(NOT CMAKE_CXX_COMPILER)
+  execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -find clang++
+    OUTPUT_VARIABLE CMAKE_CXX_COMPILER
+    ERROR_QUIET
+    OUTPUT_STRIP_TRAILING_WHITESPACE)
+  message(STATUS "Using CXX compiler: ${CMAKE_CXX_COMPILER}")
+endif()
+# Find (Apple's) libtool.
+execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -find libtool
+  OUTPUT_VARIABLE BUILD_LIBTOOL
+  ERROR_QUIET
+  OUTPUT_STRIP_TRAILING_WHITESPACE)
+message(STATUS "Using libtool: ${BUILD_LIBTOOL}")
+# Configure libtool to be used instead of ar + ranlib to build static 
libraries.
+# This is required on Xcode 7+, but should also work on previous versions of
+# Xcode.
+set(CMAKE_C_CREATE_STATIC_LIBRARY
+  "${BUILD_LIBTOOL} -static -o <TARGET> <LINK_FLAGS> <OBJECTS> ")
+set(CMAKE_CXX_CREATE_STATIC_LIBRARY
+  "${BUILD_LIBTOOL} -static -o <TARGET> <LINK_FLAGS> <OBJECTS> ")
+# Find the toolchain's provided install_name_tool if none is found on the host
+if(NOT CMAKE_INSTALL_NAME_TOOL)
+  execute_process(COMMAND xcrun -sdk ${CMAKE_OSX_SYSROOT} -find 
install_name_tool
+      OUTPUT_VARIABLE CMAKE_INSTALL_NAME_TOOL_INT
+      ERROR_QUIET
+      OUTPUT_STRIP_TRAILING_WHITESPACE)
+  set(CMAKE_INSTALL_NAME_TOOL ${CMAKE_INSTALL_NAME_TOOL_INT} CACHE STRING "" 
${FORCE_CACHE})
+endif()
+# Get the version of Darwin (OS X) of the host.
+execute_process(COMMAND uname -r
+  OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION
+  ERROR_QUIET
+  OUTPUT_STRIP_TRAILING_WHITESPACE)
+if(SDK_NAME MATCHES "iphone")
+  set(CMAKE_SYSTEM_NAME iOS CACHE INTERNAL "" ${FORCE_CACHE})
+endif()
+# CMake 3.14+ support building for iOS, watchOS and tvOS out of the box.
+if(MODERN_CMAKE)
+  if(SDK_NAME MATCHES "appletv")
+    set(CMAKE_SYSTEM_NAME tvOS CACHE INTERNAL "" ${FORCE_CACHE})
+  elseif(SDK_NAME MATCHES "watch")
+    set(CMAKE_SYSTEM_NAME watchOS CACHE INTERNAL "" ${FORCE_CACHE})
+  endif()
+  # Provide flags for a combined FAT library build on newer CMake versions
+  if(PLATFORM_INT MATCHES ".*COMBINED")
+    set(CMAKE_XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH "NO")
+    set(CMAKE_IOS_INSTALL_COMBINED YES CACHE INTERNAL "" ${FORCE_CACHE})
+    message(STATUS "Will combine built (static) artifacts into FAT lib...")
+  endif()
+elseif(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.10")
+  # Legacy code path prior to CMake 3.14 or fallback if no SDK_NAME specified
+  set(CMAKE_SYSTEM_NAME iOS CACHE INTERNAL "" ${FORCE_CACHE})
+else()
+  # Legacy code path prior to CMake 3.14 or fallback if no SDK_NAME specified
+  set(CMAKE_SYSTEM_NAME Darwin CACHE INTERNAL "" ${FORCE_CACHE})
+endif()
+# Standard settings.
+set(CMAKE_SYSTEM_VERSION ${SDK_VERSION} CACHE INTERNAL "")
+set(UNIX TRUE CACHE BOOL "")
+set(APPLE TRUE CACHE BOOL "")
+set(IOS TRUE CACHE BOOL "")
+set(CMAKE_AR ar CACHE FILEPATH "" FORCE)
+set(CMAKE_RANLIB ranlib CACHE FILEPATH "" FORCE)
+set(CMAKE_STRIP strip CACHE FILEPATH "" FORCE)
+# Set the architectures for which to build.
+set(CMAKE_OSX_ARCHITECTURES ${ARCHS} CACHE STRING "Build architecture for iOS")
+# Change the type of target generated for try_compile() so it'll work when 
cross-compiling, weak compiler checks
+if(ENABLE_STRICT_TRY_COMPILE_INT)
+  message(STATUS "Using strict compiler checks (default in CMake).")
+else()
+  set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
+endif()
+# All iOS/Darwin specific settings - some may be redundant.
+set(CMAKE_MACOSX_BUNDLE YES)
+set(CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED "NO")
+set(CMAKE_SHARED_LIBRARY_PREFIX "lib")
+set(CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
+set(CMAKE_SHARED_MODULE_PREFIX "lib")
+set(CMAKE_SHARED_MODULE_SUFFIX ".so")
+set(CMAKE_C_COMPILER_ABI ELF)
+set(CMAKE_CXX_COMPILER_ABI ELF)
+set(CMAKE_C_HAS_ISYSROOT 1)
+set(CMAKE_CXX_HAS_ISYSROOT 1)
+set(CMAKE_MODULE_EXISTS 1)
+set(CMAKE_DL_LIBS "")
+set(CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ")
+set(CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ")
+set(CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG 
"${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}")
+set(CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}")
+
+if(ARCHS MATCHES "((^|;|, )(arm64|arm64e|x86_64))+")
+  set(CMAKE_C_SIZEOF_DATA_PTR 8)
+  set(CMAKE_CXX_SIZEOF_DATA_PTR 8)
+  if(ARCHS MATCHES "((^|;|, )(arm64|arm64e))+")
+    set(CMAKE_SYSTEM_PROCESSOR "aarch64")
+  else()
+    set(CMAKE_SYSTEM_PROCESSOR "x86_64")
+  endif()
+else()
+  set(CMAKE_C_SIZEOF_DATA_PTR 4)
+  set(CMAKE_CXX_SIZEOF_DATA_PTR 4)
+  set(CMAKE_SYSTEM_PROCESSOR "arm")
+endif()
+
+# Note that only Xcode 7+ supports the newer more specific:
+# -m${SDK_NAME}-version-min flags, older versions of Xcode use:
+# -m(ios/ios-simulator)-version-min instead.
+if(${CMAKE_VERSION} VERSION_LESS "3.11")
+  if(PLATFORM_INT STREQUAL "OS" OR PLATFORM_INT STREQUAL "OS64")
+    if(XCODE_VERSION VERSION_LESS 7.0)
+      set(SDK_NAME_VERSION_FLAGS
+        "-mios-version-min=${DEPLOYMENT_TARGET}")
+    else()
+      # Xcode 7.0+ uses flags we can build directly from SDK_NAME.
+      set(SDK_NAME_VERSION_FLAGS
+        "-m${SDK_NAME}-version-min=${DEPLOYMENT_TARGET}")
+    endif()
+  elseif(PLATFORM_INT STREQUAL "TVOS")
+    set(SDK_NAME_VERSION_FLAGS
+      "-mtvos-version-min=${DEPLOYMENT_TARGET}")
+  elseif(PLATFORM_INT STREQUAL "SIMULATOR_TVOS")
+    set(SDK_NAME_VERSION_FLAGS
+      "-mtvos-simulator-version-min=${DEPLOYMENT_TARGET}")
+  elseif(PLATFORM_INT STREQUAL "WATCHOS")
+    set(SDK_NAME_VERSION_FLAGS
+      "-mwatchos-version-min=${DEPLOYMENT_TARGET}")
+  elseif(PLATFORM_INT STREQUAL "SIMULATOR_WATCHOS")
+    set(SDK_NAME_VERSION_FLAGS
+      "-mwatchos-simulator-version-min=${DEPLOYMENT_TARGET}")
+  else()
+    # SIMULATOR or SIMULATOR64 both use -mios-simulator-version-min.
+    set(SDK_NAME_VERSION_FLAGS
+      "-mios-simulator-version-min=${DEPLOYMENT_TARGET}")
+  endif()
+else()
+  # Newer versions of CMake sets the version min flags correctly
+  set(CMAKE_OSX_DEPLOYMENT_TARGET ${DEPLOYMENT_TARGET} CACHE STRING
+      "Set CMake deployment target" ${FORCE_CACHE})
+endif()
+
+if(DEFINED APPLE_TARGET_TRIPLE_INT)
+  set(APPLE_TARGET_TRIPLE ${APPLE_TARGET_TRIPLE_INT} CACHE STRING
+          "Autoconf target triple compatible variable" ${FORCE_CACHE})
+endif()
+
+if(ENABLE_BITCODE_INT)
+  set(BITCODE "-fembed-bitcode")
+  set(CMAKE_XCODE_ATTRIBUTE_BITCODE_GENERATION_MODE "bitcode")
+  set(CMAKE_XCODE_ATTRIBUTE_ENABLE_BITCODE "YES")
+else()
+  set(BITCODE "")
+  set(CMAKE_XCODE_ATTRIBUTE_ENABLE_BITCODE "NO")
+endif()
+
+if(ENABLE_ARC_INT)
+  set(FOBJC_ARC "-fobjc-arc")
+  set(CMAKE_XCODE_ATTRIBUTE_CLANG_ENABLE_OBJC_ARC "YES")
+else()
+  set(FOBJC_ARC "-fno-objc-arc")
+  set(CMAKE_XCODE_ATTRIBUTE_CLANG_ENABLE_OBJC_ARC "NO")
+endif()
+
+if(NOT ENABLE_VISIBILITY_INT)
+  set(VISIBILITY "-fvisibility=hidden")
+  set(CMAKE_XCODE_ATTRIBUTE_GCC_SYMBOLS_PRIVATE_EXTERN "YES")
+else()
+  set(VISIBILITY "")
+  set(CMAKE_XCODE_ATTRIBUTE_GCC_SYMBOLS_PRIVATE_EXTERN "NO")
+endif()
+
+if(NOT IOS_TOOLCHAIN_HAS_RUN)
+  #Check if Xcode generator is used, since that will handle these flags 
automagically
+  if(USED_CMAKE_GENERATOR MATCHES "Xcode")
+    message(STATUS "Not setting any manual command-line buildflags, since 
Xcode is selected as generator.")
+  else()
+    set(CMAKE_C_FLAGS
+    "${SDK_NAME_VERSION_FLAGS} ${BITCODE} -fobjc-abi-version=2 ${FOBJC_ARC} 
${CMAKE_C_FLAGS}")
+    # Hidden visibilty is required for C++ on iOS.
+    set(CMAKE_CXX_FLAGS
+    "${SDK_NAME_VERSION_FLAGS} ${BITCODE} ${VISIBILITY} 
-fvisibility-inlines-hidden -fobjc-abi-version=2 ${FOBJC_ARC} 
${CMAKE_CXX_FLAGS}")
+    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS} -O0 -g 
${CMAKE_CXX_FLAGS_DEBUG}")
+    set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS} -DNDEBUG -Os 
-ffast-math ${CMAKE_CXX_FLAGS_MINSIZEREL}")
+    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS} -DNDEBUG -O2 -g 
-ffast-math ${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS} -DNDEBUG -O3 -ffast-math 
${CMAKE_CXX_FLAGS_RELEASE}")
+    set(CMAKE_C_LINK_FLAGS "${SDK_NAME_VERSION_FLAGS} -Wl,-search_paths_first 
${CMAKE_C_LINK_FLAGS}")
+    set(CMAKE_CXX_LINK_FLAGS "${SDK_NAME_VERSION_FLAGS}  
-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}")
+    set(CMAKE_ASM_FLAGS "${CFLAGS} -x assembler-with-cpp -arch 
${CMAKE_OSX_ARCHITECTURES}")
+
+    # In order to ensure that the updated compiler flags are used in 
try_compile()
+    # tests, we have to forcibly set them in the CMake cache, not merely set 
them
+    # in the local scope.
+    set(VARS_TO_FORCE_IN_CACHE
+      CMAKE_C_FLAGS
+      CMAKE_CXX_FLAGS
+      CMAKE_CXX_FLAGS_DEBUG
+      CMAKE_CXX_FLAGS_RELWITHDEBINFO
+      CMAKE_CXX_FLAGS_MINSIZEREL
+      CMAKE_CXX_FLAGS_RELEASE
+      CMAKE_C_LINK_FLAGS
+      CMAKE_CXX_LINK_FLAGS)
+    foreach(VAR_TO_FORCE ${VARS_TO_FORCE_IN_CACHE})
+      set(${VAR_TO_FORCE} "${${VAR_TO_FORCE}}" CACHE STRING "" ${FORCE_CACHE})
+    endforeach()
+  endif()
+
+  ## Print status messages to inform of the current state
+  message(STATUS "Configuring ${SDK_NAME} build for platform: ${PLATFORM_INT}, 
architecture(s): ${ARCHS}")
+  message(STATUS "Using SDK: ${CMAKE_OSX_SYSROOT_INT}")
+  if(DEFINED APPLE_TARGET_TRIPLE)
+    message(STATUS "Autoconf target triple: ${APPLE_TARGET_TRIPLE}")
+  endif()
+  message(STATUS "Using minimum deployment version: ${DEPLOYMENT_TARGET}"
+      " (SDK version: ${SDK_VERSION})")
+  if(MODERN_CMAKE)
+    message(STATUS "Merging integrated CMake 3.14+ iOS,tvOS,watchOS,macOS 
toolchain(s) with this toolchain!")
+  endif()
+  if(USED_CMAKE_GENERATOR MATCHES "Xcode")
+    message(STATUS "Using Xcode version: ${XCODE_VERSION}")
+  endif()
+  if(DEFINED SDK_NAME_VERSION_FLAGS)
+    message(STATUS "Using version flags: ${SDK_NAME_VERSION_FLAGS}")
+  endif()
+  message(STATUS "Using a data_ptr size of: ${CMAKE_CXX_SIZEOF_DATA_PTR}")
+  message(STATUS "Using install_name_tool: ${CMAKE_INSTALL_NAME_TOOL}")
+  if(ENABLE_BITCODE_INT)
+    message(STATUS "Enabling bitcode support.")
+  else()
+    message(STATUS "Disabling bitcode support.")
+  endif()
+
+  if(ENABLE_ARC_INT)
+    message(STATUS "Enabling ARC support.")
+  else()
+    message(STATUS "Disabling ARC support.")
+  endif()
+
+  if(NOT ENABLE_VISIBILITY_INT)
+    message(STATUS "Hiding symbols (-fvisibility=hidden).")
+  endif()
+endif()
+
+set(CMAKE_PLATFORM_HAS_INSTALLNAME 1)
+set(CMAKE_SHARED_LINKER_FLAGS "-rpath @executable_path/Frameworks -rpath 
@loader_path/Frameworks")
+set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib 
-Wl,-headerpad_max_install_names")
+set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle 
-Wl,-headerpad_max_install_names")
+set(CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,")
+set(CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,")
+set(CMAKE_FIND_LIBRARY_SUFFIXES ".tbd" ".dylib" ".so" ".a")
+set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name")
+
+# Set the find root to the iOS developer roots and to user defined paths.
+set(CMAKE_FIND_ROOT_PATH ${CMAKE_OSX_SYSROOT_INT} ${CMAKE_PREFIX_PATH} CACHE 
STRING "Root path that will be prepended
+ to all search paths")
+# Default to searching for frameworks first.
+set(CMAKE_FIND_FRAMEWORK FIRST)
+# Set up the default search directories for frameworks.
+set(CMAKE_FRAMEWORK_PATH
+  ${CMAKE_DEVELOPER_ROOT}/Library/PrivateFrameworks
+  ${CMAKE_OSX_SYSROOT_INT}/System/Library/Frameworks
+  ${CMAKE_FRAMEWORK_PATH} CACHE STRING "Frameworks search paths" 
${FORCE_CACHE})
+
+set(IOS_TOOLCHAIN_HAS_RUN TRUE CACHE BOOL "Has the CMake toolchain run 
already?" ${FORCE_CACHE})
+
+# By default, search both the specified iOS SDK and the remainder of the host 
filesystem.
+if(NOT CMAKE_FIND_ROOT_PATH_MODE_PROGRAM)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH CACHE STRING "" ${FORCE_CACHE})
+endif()
+if(NOT CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH CACHE STRING "" ${FORCE_CACHE})
+endif()
+if(NOT CMAKE_FIND_ROOT_PATH_MODE_INCLUDE)
+  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE BOTH CACHE STRING "" ${FORCE_CACHE})
+endif()
+if(NOT CMAKE_FIND_ROOT_PATH_MODE_PACKAGE)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE BOTH CACHE STRING "" ${FORCE_CACHE})
+endif()
+
+#
+# Some helper-macros below to simplify and beautify the CMakeFile
+#
+
+# This little macro lets you set any Xcode specific property.
+macro(set_xcode_property TARGET XCODE_PROPERTY XCODE_VALUE XCODE_RELVERSION)
+  set(XCODE_RELVERSION_I "${XCODE_RELVERSION}")
+  if(XCODE_RELVERSION_I STREQUAL "All")
+    set_property(TARGET ${TARGET} PROPERTY
+    XCODE_ATTRIBUTE_${XCODE_PROPERTY} "${XCODE_VALUE}")
+  else()
+    set_property(TARGET ${TARGET} PROPERTY
+    XCODE_ATTRIBUTE_${XCODE_PROPERTY}[variant=${XCODE_RELVERSION_I}] 
"${XCODE_VALUE}")
+  endif()
+endmacro(set_xcode_property)
+
+# This macro lets you find executable programs on the host system.
+macro(find_host_package)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER)
+  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE NEVER)
+  set(IOS FALSE)
+  find_package(${ARGN})
+  set(IOS TRUE)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH)
+  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH)
+  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE BOTH)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE BOTH)
+endmacro(find_host_package)
diff --git 
a/common/protected_fs_rs/protected_fs_c/sgx_uprotected_fs/sgx_uprotected_fs.cpp 
b/common/protected_fs_rs/protected_fs_c/sgx_uprotected_fs/sgx_uprotected_fs.cpp
index d664ec8..f14aadd 100644
--- 
a/common/protected_fs_rs/protected_fs_c/sgx_uprotected_fs/sgx_uprotected_fs.cpp
+++ 
b/common/protected_fs_rs/protected_fs_c/sgx_uprotected_fs/sgx_uprotected_fs.cpp
@@ -19,7 +19,7 @@
 
 #include <stdio.h>
 #include <string.h>
-#include <malloc.h>
+#include <stdlib.h>
 #include <assert.h>
 #include <errno.h>
 
@@ -65,7 +65,11 @@ void* u_sgxprotectedfs_exclusive_file_open(const char* 
filename, uint8_t read_on
        }
 
        // open the file with OS API so we can 'lock' the file and get 
exclusive access to it
+#ifdef __linux__ 
        fd = open(filename,     O_CREAT | (read_only ? O_RDONLY : O_RDWR) | 
O_LARGEFILE, mode); // create the file if it doesn't exists, 
read-only/read-write
+#else
+       fd = open(filename,     O_CREAT | (read_only ? O_RDONLY : O_RDWR) , 
mode); // create the file if it doesn't exists, read-only/read-write
+#endif
        if (fd == -1)
        {
                DEBUG_PRINT("open returned %d, errno %d\n", result, errno);
diff --git a/licenses/LICENSE-ios-cmake.txt b/licenses/LICENSE-ios-cmake.txt
new file mode 100644
index 0000000..bb03fcc
--- /dev/null
+++ b/licenses/LICENSE-ios-cmake.txt
@@ -0,0 +1,28 @@
+Copyright (c) 2014, Bogdan Cristea and LTE Engineering Software,
+Kitware, Inc., Insight Software Consortium.  All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+2. 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.
+
+3. Neither the name of the copyright holder 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 HOLDER 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.
\ No newline at end of file


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