Merge pull request leenjewel#47 from dourgulf/master

update readme

Author: leenjewel

README.md

@@ -61,18 +61,28 @@ Thanks for [https://stackoverflow.com/questions/52717228/how-to-compile-openssl-
 
 Copy `openssl-1.1.0f.tar.gz` to `tools` file folder and run
 
-```
+```shell
 cd tools
 sh ./build-openssl4ios.sh
 ```
 
 Copy `curl-7.53.1.tar.gz` to `tools` file folder and run
 
-```
+```shell
 cd tools
 sh ./build-curl4ios.sh
 ```
 
+### Special things about building i386 architecture on Mojave
+
+If you build `i386` failed for link error on Mojave (macOS 10.14+).
+
+Try to intall the header package of macOS 10.14:
+
+```shell
+sudo installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target /
+```
+
 ### For Android
 
 Set ENV `NDK_ROOT`

tools/build-openssl4ios.sh

@@ -37,7 +37,7 @@ PLATFORMS=("iPhoneOS" "iPhoneOS" "iPhoneOS" "iPhoneSimulator" "iPhoneSimulator")
 DEVELOPER=`xcode-select -print-path`
 SDK_VERSION=`xcrun -sdk iphoneos --show-sdk-version`
 rm -rf "${HEADER_DEST_DIR}" "${LIB_DEST_DIR}" "${LIB_NAME}"
-[ -f "${LIB_NAME}.tar.gz" ] || wget https://www.openssl.org/source/${LIB_NAME}.tar.gz;
+[ -f "${LIB_NAME}.tar.gz" ] || curl https://www.openssl.org/source/${LIB_NAME}.tar.gz > ${LIB_NAME}.tar.gz
 
 # Unarchive library, then configure and make for specified architectures
 configure_make()
@@ -112,5 +112,4 @@ create_lib()
 }
 mkdir "${LIB_DEST_DIR}";
 create_lib "libcrypto.a" "${LIB_DEST_DIR}/libcrypto.a"
-create_lib "libssl.a" "${LIB_DEST_DIR}/libssl.a"
- 
+create_lib "libssl.a" "${LIB_DEST_DIR}/libssl.a"