iOS OpenSSL library build script

출처 : https://gist.github.com/foozmeat/5154962

#!/bin/bash
	# This script builds the iOS and Mac openSSL libraries
	# Download openssl http://www.openssl.org/source/ and place the tarball next to this script
	# Credits:
	# https://github.com/st3fan/ios-openssl
	# https://github.com/x2on/OpenSSL-for-iPhone/blob/master/build-libssl.sh
	set -e
	usage ()
	{
	echo "usage: $0 [minimum iOS SDK version (default 8.2)]"
	exit 127
	}
	if [ $1 -e "-h" ]; then
	usage
	fi
	if [ -z $1 ]; then
	SDK_VERSION="8.2"
	else
	SDK_VERSION=$1
	fi
	OPENSSL_VERSION="openssl-1.0.1m"
	DEVELOPER=`xcode-select -print-path`
	buildMac()
	{
	ARCH=$1
	echo "Building ${OPENSSL_VERSION} for ${ARCH}"
	TARGET="darwin-i386-cc"
	if [[ $ARCH == "x86_64" ]]; then
	TARGET="darwin64-x86_64-cc"
	fi
	pushd . > /dev/null
	cd "${OPENSSL_VERSION}"
	./Configure ${TARGET} --openssldir="/tmp/${OPENSSL_VERSION}-${ARCH}" &> "/tmp/${OPENSSL_VERSION}-${ARCH}.log"
	make >> "/tmp/${OPENSSL_VERSION}-${ARCH}.log" 2>&1
	make install >> "/tmp/${OPENSSL_VERSION}-${ARCH}.log" 2>&1
	make clean >> "/tmp/${OPENSSL_VERSION}-${ARCH}.log" 2>&1
	popd > /dev/null
	}
	buildIOS()
	{
	ARCH=$1
	pushd . > /dev/null
	cd "${OPENSSL_VERSION}"
	if [[ "${ARCH}" == "i386" || "${ARCH}" == "x86_64" ]]; then
	PLATFORM="iPhoneSimulator"
	else
	PLATFORM="iPhoneOS"
	sed -ie "s!static volatile sig_atomic_t intr_signal;!static volatile intr_signal;!" "crypto/ui/ui_openssl.c"
	fi
	export $PLATFORM
	export CROSS_TOP="${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}"
	echo "Building ${OPENSSL_VERSION} for ${PLATFORM} ${SDK_VERSION} ${ARCH}"
	if [[ "${ARCH}" == "x86_64" ]]; then
	./Configure darwin64-x86_64-cc --openssldir="/tmp/${OPENSSL_VERSION}-iOS-${ARCH}" &> "/tmp/${OPENSSL_VERSION}-iOS-${ARCH}.log"
	else
	./Configure iphoneos-cross --openssldir="/tmp/${OPENSSL_VERSION}-iOS-${ARCH}" &> "/tmp/${OPENSSL_VERSION}-iOS-${ARCH}.log"
	fi
	# add -isysroot to CC=
	sed -ie "s!^CFLAG=!CFLAG=-isysroot ${CROSS_TOP}/SDKs/${CROSS_SDK} -miphoneos-version-min=${SDK_VERSION} !" "Makefile"
	make >> "/tmp/${OPENSSL_VERSION}-iOS-${ARCH}.log" 2>&1
	make install >> "/tmp/${OPENSSL_VERSION}-iOS-${ARCH}.log" 2>&1
	make clean >> "/tmp/${OPENSSL_VERSION}-iOS-${ARCH}.log" 2>&1
	popd > /dev/null
	}
	echo "Cleaning up"
	rm -rf include/openssl/* lib/*
	mkdir -p lib/iOS
	mkdir -p lib/Mac
	mkdir -p include/openssl/
	rm -rf "/tmp/${OPENSSL_VERSION}-*"
	rm -rf "/tmp/${OPENSSL_VERSION}-*.log"
	rm -rf "${OPENSSL_VERSION}"
	if [ ! -e ${OPENSSL_VERSION}.tar.gz ]; then
	echo "Downloading ${OPENSSL_VERSION}.tar.gz"
	curl -O https://www.openssl.org/source/${OPENSSL_VERSION}.tar.gz
	else
	echo "Using ${OPENSSL_VERSION}.tar.gz"
	fi
	echo "Unpacking openssl"
	tar xfz "${OPENSSL_VERSION}.tar.gz"
	buildMac "i386"
	buildMac "x86_64"
	echo "Copying headers"
	cp /tmp/${OPENSSL_VERSION}-i386/include/openssl/* include/openssl/
	echo "Building Mac libraries"
	lipo \
	"/tmp/${OPENSSL_VERSION}-i386/lib/libcrypto.a" \
	"/tmp/${OPENSSL_VERSION}-x86_64/lib/libcrypto.a" \
	-create -output lib/Mac/libcrypto.a
	lipo \
	"/tmp/${OPENSSL_VERSION}-i386/lib/libssl.a" \
	"/tmp/${OPENSSL_VERSION}-x86_64/lib/libssl.a" \
	-create -output lib/Mac/libssl.a
	buildIOS "armv7"
	buildIOS "arm64"
	buildIOS "x86_64"
	buildIOS "i386"
	echo "Building iOS libraries"
	lipo \
	"/tmp/${OPENSSL_VERSION}-iOS-armv7/lib/libcrypto.a" \
	"/tmp/${OPENSSL_VERSION}-iOS-arm64/lib/libcrypto.a" \
	"/tmp/${OPENSSL_VERSION}-iOS-i386/lib/libcrypto.a" \
	"/tmp/${OPENSSL_VERSION}-iOS-x86_64/lib/libcrypto.a" \
	-create -output lib/iOS/libcrypto.a
	lipo \
	"/tmp/${OPENSSL_VERSION}-iOS-armv7/lib/libssl.a" \
	"/tmp/${OPENSSL_VERSION}-iOS-arm64/lib/libssl.a" \
	"/tmp/${OPENSSL_VERSION}-iOS-i386/lib/libssl.a" \
	"/tmp/${OPENSSL_VERSION}-iOS-x86_64/lib/libssl.a" \
	-create -output lib/iOS/libssl.a
	echo "Cleaning up"
	rm -rf /tmp/${OPENSSL_VERSION}-*
	rm -rf ${OPENSSL_VERSION}
	echo "Done"