#!/bin/sh

#  Automatic build script for libssl and libcrypto 
#  for iPhoneOS and iPhoneSimulator
#
#  Created by Felix Schulze on 16.12.10.
#  Copyright 2010 Felix Schulze. All rights reserved.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#  http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#
###########################################################################
#
#  Created by Min Kim on 10/1/13.
#  Copyright 2013 iFactory Lab Limited. All rights reserved.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#  http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#
###########################################################################
#  Change values here													                            #
#																	                                    	  #
VERSION="1.0.1e"													                                #
SDKVERSION="7.1"														                              #
#																		                                      #
###########################################################################
#																		                                      #
# Don't change anything under this line!								                  #
#																		                                      #
###########################################################################

CURRENTPATH=`pwd`
ARCHS="i386 x86_64 armv7 armv7s arm64"
BUILDPATH="${CURRENTPATH}/build"
LIBPATH="${CURRENTPATH}/lib"
INCLUDEPATH="${CURRENTPATH}/include"
SRCPATH="${CURRENTPATH}/src"
LIBSSL="libssl.a"
LIBCRYPTO="libcrypto.a"
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

set -e
if [ ! -e openssl-${VERSION}.tar.gz ]; then
	echo "Downloading openssl-${VERSION}.tar.gz"
    curl -O http://www.openssl.org/source/openssl-${VERSION}.tar.gz
else
	echo "Using openssl-${VERSION}.tar.gz"
	
	# Remove the source directory if already exist
  rm -rf "${SRCPATH}/openssl-${VERSION}"
fi

mkdir -p "${SRCPATH}"
mkdir -p "${BUILDPATH}"
mkdir -p "${LIBPATH}"
mkdir -p "${INCLUDEPATH}"

tar zxf openssl-${VERSION}.tar.gz -C "${SRCPATH}"
cd "${SRCPATH}/openssl-${VERSION}"

LIBSSL_REPO=""
LIBCRYPTO_REPO=""

for ARCH in ${ARCHS}
do
	if [ "${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="${PLATFORM}${SDKVERSION}.sdk"
	export BUILD_TOOLS="${DEVELOPER}"

	echo "Building openssl-${VERSION} for ${PLATFORM} ${SDKVERSION} ${ARCH}"
	echo "Please stand by..."

	export CC="${BUILD_TOOLS}/usr/bin/gcc -arch ${ARCH}"
	
	OUTPATH="${BUILDPATH}/openssl-${PLATFORM}${SDKVERSION}-${ARCH}.sdk"
	mkdir -p "${OUTPATH}"
	LOG="${OUTPATH}/build-openssl-${VERSION}.log"

  if [[ "$VERSION" =~ 1.0.0. ]]; then
	  ./Configure BSD-generic32 --openssldir="${OUTPATH}" > "${LOG}" 2>&1
  else
	  ./Configure iphoneos-cross no-asm --openssldir="${OUTPATH}" > "${LOG}" 2>&1
  fi

	# add -isysroot to CC=
	sed -ie "s!^CFLAG=!CFLAG=-isysroot ${CROSS_TOP}/Platforms/${PLATFORM}.platform/Developer/SDKs/${CROSS_SDK} -miphoneos-version-min=7.0 !" "Makefile"
  
	make >> "${LOG}" 2>&1
	make install >> "${LOG}" 2>&1
	make clean >> "${LOG}" 2>&1
	
	LIBSSL_REPO+="${OUTPATH}/lib/${LIBSSL} "
  LIBCRYPTO_REPO+="${OUTPATH}/lib/${LIBCRYPTO} "
done

echo "Build library..."
lipo -create ${LIBSSL_REPO}-output ${LIBPATH}/${LIBSSL}
lipo -create ${LIBCRYPTO_REPO}-output ${LIBPATH}/${LIBCRYPTO}

cp -R ${BUILDPATH}/openssl-iPhoneSimulator${SDKVERSION}-i386.sdk/include/openssl ${INCLUDEPATH}/
echo "Building done."
echo "Cleaning up..."
rm -rf ${SRCPATH}/openssl-${VERSION}
echo "Done."