#!/bin/bash

source "${BASEDIR}/scripts/platform.inc"

source "${BASEDIR}/scripts/lib_versions.inc"

# Grab the source for the library

OPENSSL_TGZ="openssl-${OpenSSL_VERSION}.tar.gz"

OPENSSL_SRC="openssl-${OpenSSL_VERSION}"

cd "${BUILDDIR}"

if [ ! -d "$OPENSSL_SRC" ] ; then

if [ ! -e "$OPENSSL_TGZ" ] ; then

echo "Fetching OpenSSL source"

curl http://www.openssl.org/source/openssl-${OpenSSL_VERSION}.tar.gz -o "${OPENSSL_TGZ}"

if [ $? != 0 ] ; then

echo " failed"

if [ -e "${OPENSSL_TGZ}" ] ; then

rm ${OPENSSL_TGZ}

fi

exit

fi

fi

echo "Unpacking OpenSSL source"

tar -xf "${OPENSSL_TGZ}"

fi

function buildOpenSSL {

local SUBPLATFORM_INDEX=$1

for ARCH in ${ARCHS}

do

# Each target type in OpenSSL is given a name

case "${PLATFORM}" in

mac)

if [ "${ARCH}" == "x86_64" -o "${ARCH}" == "ppc64" ] ; then

SPEC="darwin64-${ARCH}-cc"

else

SPEC="darwin-${ARCH}-cc"

fi

;;

linux)

if [ "${ARCH}" == "x86_64" ] ; then

SPEC="linux-x86_64"

else

SPEC="linux-generic32"

fi

;;

android)

if [ "${ARCH}" == "armv6" ] ; then

SPEC="android"

else

SPEC="android-armv7"

fi

;;

ios)

if [ "${ARCH}" == "x86_64" ] ; then

SPEC="darwin64-x86_64-cc"

else

SPEC="iphoneos-cross"

fi

;;

esac

# Utility for displaying platform name

if [ ! -z "${SUBPLATFORM_INDEX}" ] ; then

local SUBPLATFORM="${IOS_SUBPLATFORM[$SUBPLATFORM_INDEX]}${IOS_VERSION[$SUBPLATFORM_INDEX]}"

local NAME="${PLATFORM}/${SUBPLATFORM}/${ARCH}"

local PLATFORM_NAME=${SUBPLATFORM}

else

local NAME="${PLATFORM}/${ARCH}"

local PLATFORM_NAME=${PLATFORM}

fi

OPENSSL_ARCH_SRC="${OPENSSL_SRC}-${PLATFORM_NAME}-${ARCH}"

OPENSSL_ARCH_CONFIG="no-idea no-rc5 no-hw shared --prefix=${INSTALL_DIR}/${NAME} ${SPEC}"

OPENSSL_ARCH_LOG="${OPENSSL_ARCH_SRC}.log"

# Copy the source to a target-specific directory

if [ ! -d "${OPENSSL_ARCH_SRC}" ] ; then

echo "Duplicating OpenSSL source directory for ${NAME}"

cp -r "${OPENSSL_SRC}" "${OPENSSL_ARCH_SRC}"

fi

# Get the command used to build a previous copy, if any

if [ -e "${OPENSSL_ARCH_SRC}/config.cmd" ] ; then

OPENSSL_ARCH_CURRENT_CONFIG=`cat ${OPENSSL_ARCH_SRC}/config.cmd`

else

OPENSSL_ARCH_CURRENT_CONFIG=

fi

# Re-configure and re-build, if required

if [ "${OPENSSL_ARCH_CONFIG}" != "${OPENSSL_ARCH_CURRENT_CONFIG}" ] ; then

cd "${OPENSSL_ARCH_SRC}"

echo "Configuring OpenSSL for ${NAME}"

setCCForArch "${ARCH}" "${SUBPLATFORM_INDEX}"

./Configure ${OPENSSL_ARCH_CONFIG} > "${OPENSSL_ARCH_LOG}" 2>&1

# iOS requires some tweaks to the source when building for devices

if [ "${PLATFORM}" == "ios" -a "${ARCH}" != "i386 " ] ; then

sed -i "" -e "s!static volatile sig_atomic_t intr_signal;!static volatile intr_signal;!" "crypto/ui/ui_openssl.c"

fi

# Ensure that variables get exported as functions

echo "#define OPENSSL_EXPORT_VAR_AS_FUNCTION 1" >> crypto/opensslconf.h

echo "Building OpenSSL for ${NAME}"

make clean >> "${OPENSSL_ARCH_LOG}" 2>&1 && make ${MAKEFLAGS} >> "${OPENSSL_ARCH_LOG}" 2>&1 && make install_sw >> "${OPENSSL_ARCH_LOG}" 2>&1

RESULT=$?

cd ..

# Save the configuration for this build

if [ $RESULT == 0 ] ; then

echo "${OPENSSL_ARCH_CONFIG}" > "${OPENSSL_ARCH_SRC}/config.cmd"

else

echo " failed"

exit

fi

else

echo "Found existing OpenSSL build for ${NAME}"

fi

if [ "${PLATFORM}" == "mac" -o "${PLATFORM}" == "ios" ] ; then

CRYPTO_LIBS+="${INSTALL_DIR}/${NAME}/lib/libcrypto.a "

SSL_LIBS+="${INSTALL_DIR}/${NAME}/lib/libssl.a "

else

mkdir -p "${OUTPUT_DIR}/lib/${NAME}"

cp "${INSTALL_DIR}/${NAME}/lib/libcrypto.a" "${OUTPUT_DIR}/lib/${NAME}/libcustomcrypto.a"

cp "${INSTALL_DIR}/${NAME}/lib/libssl.a" "${OUTPUT_DIR}/lib/${NAME}/libcustomssl.a"

fi

done

# Create the universal libraries

if [ "${PLATFORM}" == "mac" -o "${PLATFORM}" == "ios" ] ; then

echo "Creating OpenSSL ${PLATFORM_NAME} universal libraries"

mkdir -p "${OUTPUT_DIR}/lib/${PLATFORM}/${SUBPLATFORM}"

lipo -create ${CRYPTO_LIBS} -output "${OUTPUT_DIR}/lib/${PLATFORM}/${SUBPLATFORM}/libcustomcrypto.a"

lipo -create ${SSL_LIBS} -output "${OUTPUT_DIR}/lib/${PLATFORM}/${SUBPLATFORM}/libcustomssl.a"

CRYPTO_LIBS=

SSL_LIBS=

fi

}

# If building for iOS, a number of sub-platforms need to be build

if [ "${PLATFORM}" == "ios" ] ; then

for (( INDEX=0; INDEX<$IOS_COUNT; INDEX++ ))

do

setArchs ${INDEX}

buildOpenSSL ${INDEX}

done

else

buildOpenSSL

fi