diff --git a/external/icu4c-iosx b/external/icu4c-iosx
new file mode 160000
index 00000000..d3380679
--- /dev/null
+++ b/external/icu4c-iosx
@@ -0,0 +1 @@
+Subproject commit d33806797ef9e68e8bd557fce77eb11107a36ab0
diff --git a/external/ios/build_boost.sh b/external/ios/build_boost.sh
index 4bfbfeb8..43c029d0 100755
--- a/external/ios/build_boost.sh
+++ b/external/ios/build_boost.sh
@@ -29,4 +29,4 @@ cd $BOOST_DIR_PATH
 	--no-framework
 
 mv -f ${BOOST_DIR_PATH}/build/boost/${BOOST_VERSION}/ios/release/prefix/include/*  $EXTERNAL_IOS_INCLUDE_DIR
-mv -f ${BOOST_DIR_PATH}/build/boost/${BOOST_VERSION}/ios/release/prefix/lib/*  $EXTERNAL_IOS_LIB_DIR
\ No newline at end of file
+mv -f ${BOOST_DIR_PATH}/build/boost/${BOOST_VERSION}/ios/release/prefix/lib/*  $EXTERNAL_IOS_LIB_DIR