Add an build script

This way one doesn't need to follow the instructions in the README and
can just run the build script. It also dumps the contents in the same
folder.

build.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+curl -O https://www.openssl.org/source/openssl-1.1.1b.tar.gz
+tar xf openssl-1.1.1b.tar.gz
+cd openssl-1.1.1b
+../build_openssl_dist.sh

build_openssl_dist.sh

@@ -1,6 +1,8 @@
 #!/bin/bash
 
-TMP_DIR=/tmp/build_openssl_$$
+set -x
+
+TMP_DIR=../build_openssl
 CROSS_TOP_SIM="`xcode-select --print-path`/Platforms/iPhoneSimulator.platform/Developer"
 CROSS_SDK_SIM="iPhoneSimulator.sdk"
 
@@ -38,9 +40,7 @@ function pack_for ()
 	-output ${TMP_DIR}/lib/lib${LIBNAME}.a -create
 }
 
-curl -O https://raw.githubusercontent.com/sinofool/build-openssl-ios/master/patch-conf.patch
-#cp ../patch-conf.patch .
-patch Configurations/10-main.conf < patch-conf.patch
+patch Configurations/10-main.conf < ../patch-conf.patch
 
 build_for ios64sim-cross x86_64 SIM || exit 2
 build_for ios-cross armv7s IOS || exit 4