Create README

Author: drygdryg

README.md

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+# Statically linked Wi-Fi tools for Linux/Android
+This repository contains scripts for building statically linked **iw** and **wpa_supplicant** tools for Linux, which probably work on any Linux/Android distribution/version.
+### Tested build environments:
+* Alpine Linux edge armhf (running on Android under Linux Deploy)
+* Alpine Linux edge aarch64 (running on Android under Linux Deploy)
+## How to build
+### Install requirements (Alpine Linux edge)
+```
+apk add build-base bison flex gawk linux-headers pkgconf readline-static perl
+```
+### Build
+#### iw
+`make iw`
+
+#### wpa_supplicant
+`wpa_supplicant_build_config` file contains minimal wpa_supplicant build configuration with built-in cryptographic engine (does not depend on OpenSSL). Edit this file according to your needs, then run:  
+`make wpa_supplicant`  
+Note: if you want to use OpenSSL, firstly build it with `make openssl` then add to the wpa_supplicant config following (change the path to prefix directory):  
+`CFLAGS += -I/the/absolute/path/to/the/prefix/include`
+#### iw and wpa_supplicant both (excluding openssl)
+`make`  
+### Once built, the executables will be located in the `binaries/` folder