ios: update openssl build script

* remove patch - not required anymore
* add support for arm64 and x86_64 openssl builds
* update documentation

scripts/OpenSSL-DownloadAndBuild.command

@@ -1,44 +1,87 @@
 #!/bin/bash
 # 
-# Copyright 2013 Thincast Technologies GmbH
+# Copyright 2015 Thincast Technologies GmbH
 # 
 # This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. 
 # If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
 #
-# This script will download and build openssl for iOS (armv7, armv7s) and simulator (i386)
+# This script will download and build openssl for iOS and simulator - see ARCHS for architectures built
 
-# Settings and definitions
-USER_OS_SDK=""
-USER_SIM_SDK=""
+## Settings
+# openssl version to use
+OPENSSLVERSION="1.0.2a"
+MD5SUM="a06c547dac9044161a477211049f60ef"
+# SDK version to use - if not set latest version found is used
+SDK_VERSION=""
 
-OPENSSLVERSION="1.0.0e"
-MD5SUM="7040b89c4c58c7a1016c0dfa6e821c86"
-OPENSSLPATCH="OpenSSL-iFreeRDP.diff"
+# Minimum SDK version the application supports
+MIN_SDK_VERSION=""
+
+
+## Defaults
 INSTALLDIR="external"
 
+# Architectures to build
+ARCHS="i386 x86_64 armv7 armv7s arm64"
+
+# Use default SDK version if not set
+if [ -z ${SDK_VERSION} ]; then
+	SDK_VERSION=`xcrun -sdk iphoneos --show-sdk-version`
+fi
+
+CORES=`sysctl hw.ncpu | awk '{print $2}'`
 MAKEOPTS="-j $CORES"
 # disable parallell builds since openssl build
 # fails sometimes
 MAKEOPTS=""
-CORES=`sysctl hw.ncpu | awk '{print $2}'`
-SCRIPTDIR=$(dirname `cd ${0%/*} && echo $PWD/${0##*/}`)
-OS_SDK=""
-SIM_SDK=""
-OS_SDK_PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs"
-SIM_SDK_PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs"
+
+DEVELOPER=`xcode-select -print-path`
+if [ ! -d "$DEVELOPER" ]; then
+  echo "xcode path is not set correctly $DEVELOPER does not exist (most likely because of xcode > 4.3)"
+  echo "run"
+  echo "sudo xcode-select -switch <xcode path>"
+  echo "for default installation:"
+  echo "sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer"
+  exit 1
+fi
 
 # Functions
 function buildArch(){
 	ARCH=$1
+	if [[ "${ARCH}" == "i386" || "${ARCH}" == "x86_64" ]];
+	then
+		PLATFORM="iPhoneSimulator"
+	else
+		sed -ie "s!static volatile sig_atomic_t intr_signal;!static volatile intr_signal;!" "crypto/ui/ui_openssl.c"
+		PLATFORM="iPhoneOS"
+	fi
+
+	export CROSS_TOP="${DEVELOPER}/Platforms/${PLATFORM}.platform/Developer"
+	export CROSS_SDK="${PLATFORM}${SDK_VERSION}.sdk"
+	export BUILD_TOOLS="${DEVELOPER}"
+	export CC="${BUILD_TOOLS}/usr/bin/gcc -arch ${ARCH}"
+	if [ ! -z $MIN_SDK_VERSION ]; then
+		export CC="$CC -miphoneos-version-min=${MIN_SDK_VERSION}"
+	fi
+	echo "Building openssl-${OPENSSLVERSION} for ${PLATFORM} ${SDK_VERSION} ${ARCH} (min SDK set: ${MIN_SDK_VERSION:-"none"})"
+
 	LOGFILE="BuildLog.darwin-${ARCH}.txt"
-	echo "Building architecture ${ARCH}. Please wait ..."
-	./Configure darwin-${ARCH}-cc > ${LOGFILE}
+	echo -n " Please wait ..."
+	if [[ "$OPENSSLVERSION" =~ 1.0.0. ]]; then
+		./Configure BSD-generic32 > "${LOGFILE}" 2>&1
+	elif [ "${ARCH}" == "x86_64" ]; then
+		./Configure darwin64-x86_64-cc > "${LOGFILE}" 2>&1
+	elif [ "${ARCH}" == "i386" ]; then
+		./Configure iphoneos-cross no-asm > "${LOGFILE}" 2>&1
+	else
+		./Configure iphoneos-cross  > "${LOGFILE}" 2>&1
+	fi
+
 	make ${MAKEOPTS} >> ${LOGFILE} 2>&1
-	echo "Done. Build log saved in ${LOGFILE}"
+	echo " Done. Build log saved in ${LOGFILE}"
 	cp libcrypto.a ../../lib/libcrypto_${ARCH}.a
 	cp libssl.a ../../lib/libssl_${ARCH}.a
 	make clean >/dev/null 2>&1
-	echo
 }
 
 # main
@@ -50,38 +93,6 @@ if [ $# -gt 0 ];then
 	fi
 fi
 
-echo "Detecting SDKs..."
-if [ "x${USER_OS_SDK}" == "x" ];then
-	OS_SDK=`ls -1 ${OS_SDK_PATH} | sort -n | head -1`
-	if [ "x${OS_SDK}" == "x" ];then
-		echo "No iPhoneOS SDK found"
-		exit 1;
-	fi
-else
-	OS_SDK=${USER_OS_SDK}
-	if [ ! -d "${OS_SDK_PATH}/${OS_SDK}" ];then
-		echo "User specified iPhoneOS SDK not found"
-		exit 1
-	fi
-fi
-echo "Using iPhoneOS SDK: ${OS_SDK}"
-
-if [ "x${USER_SIM_SDK}" == "x" ];then
-	SIM_SDK=`ls -1 ${SIM_SDK_PATH} | sort -n | head -1`
-	if [ "x${SIM_SDK}" == "x" ];then
-		echo "No iPhoneSimulator SDK found"
-		exit 1;
-	fi
-else
-	SIM_SDK=${USER_SIM_SDK}
-	if [ ! -d "${SIM_SDK_PATH}/${SIM_SDK}" ];then
-		echo "User specified iPhoneSimulator SDK not found"
-		exit 1
-	fi
-fi
-echo "Using iPhoneSimulator SDK: ${SIM_SDK}"
-echo
-
 cd $INSTALLDIR
 if [ ! -d openssl ];then
 	mkdir openssl
@@ -113,19 +124,14 @@ if [ ! $? = 0 ]; then
 fi
 echo
 
-echo "Applying iFreeRDP patch ..."
 cd "openssl-$OPENSSLVERSION"
-cp ${SCRIPTDIR}/${OPENSSLPATCH} .
-sed -ie "s#__ISIMSDK__#${SIM_SDK}#" ${OPENSSLPATCH}
-sed -ie "s#__IOSSDK__#${OS_SDK}#" ${OPENSSLPATCH}
 
-patch -p1 < $OPENSSLPATCH
-
-if [ ! $? = 0 ]; then
-    echo "Patch failed."
-    exit 1
-fi
-echo
+case `pwd` in
+     *\ * )
+           echo "The build path (`pwd`) contains whitepsaces - fix this."
+           exit 1
+          ;;
+esac
 
 # Cleanup old build artifacts
 mkdir -p ../../include/openssl
@@ -134,13 +140,13 @@ rm -f ../../include/openssl/*.h
 mkdir -p ../../lib
 rm -f ../../lib/*.a
 
-echo "Copying header hiles ..."
+echo "Copying header files ..."
 cp include/openssl/*.h ../../include/openssl/
 echo
 
-buildArch i386
-buildArch armv7
-buildArch armv7s
+for i in ${ARCHS}; do
+	buildArch $i
+done
 
 echo "Combining to unversal binary"
 lipo -create ../../lib/libcrypto_*.a -o ../../lib/libcrypto.a