Add curve25519 build script.

curve25519-donna/build-libcurve25519.sh

@@ -0,0 +1,48 @@
+#!/bin/sh
+#  Automatic build script for curve25519-donna for iPhoneOS and iPhoneSimulator
+# Created by Christine Corbett Moran 11/30/2013
+#
+#
+###########################################################################
+#  Change values here													  #
+#																		  #
+SDKVERSION="7.0"														  #
+#																		  #
+# Probably shouldn't need to change anything under here
+
+CURRENTPATH=`pwd`
+CFLAGS="-Wmissing-prototypes -Wdeclaration-after-statement -O2 -Wall"
+ARCHS="i386 armv7 armv7s"
+DEVELOPER=`xcode-select -print-path`
+
+mkdir -p "${CURRENTPATH}/src"
+mkdir -p "${CURRENTPATH}/lib"
+
+cd "${CURRENTPATH}/src/"
+git clone https://github.com/agl/curve25519-donna.git
+cd "${CURRENTPATH}/src/curve25519-donna/"
+
+for ARCH in ${ARCHS}
+do
+	make clean
+	if [ "${ARCH}" == "i386" ];
+	then
+		PLATFORM="iPhoneSimulator"
+	else
+		PLATFORM="iPhoneOS"
+	fi
+	export DEVELOPER_PLATFORM="${DEVELOPER}/Platforms/${PLATFORM}.platform/Developer"
+	export SDK="${PLATFORM}${SDKVERSION}.sdk"
+	echo "Building curve25519-donna for ${PLATFORM} ${SDKVERSION} ${ARCH}"
+	export CC="/Applications/Xcode.app/Contents/Developer/usr/bin/gcc -arch ${ARCH} -miphoneos-version-min=7.0 -isysroot ${DEVELOPER_PLATFORM}/SDKs/${SDK}  ${CFLAGS}"
+	mkdir -p "${CURRENTPATH}/bin/${PLATFORM}${SDKVERSION}-${ARCH}.sdk"
+	LOG="${CURRENTPATH}/bin/${PLATFORM}${SDKVERSION}-${ARCH}.sdk/curve25519-donna.log"
+	$CC -c curve25519-donna.c -m32  curve25519-donna.c >> "${LOG}" 2>&1
+	ar -rc curve25519-donna.a curve25519-donna.o >> "${LOG}" 2>&1
+	ranlib curve25519-donna.a >> "${LOG}" 2>&1
+	mv curve25519-donna.a ${CURRENTPATH}/bin/${PLATFORM}${SDKVERSION}-${ARCH}.sdk/curve25519-donna.a
+done
+
+echo "Build library for ${ARCHS}..."
+lipo -create ${CURRENTPATH}/bin/iPhoneSimulator${SDKVERSION}-i386.sdk/curve25519-donna.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-armv7.sdk/curve25519-donna.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-armv7s.sdk/curve25519-donna.a -output ${CURRENTPATH}/lib/curve25519-donna.a  
+