Add a README

README.md

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+# Neat VNC
+
+## Introduction
+This is a liberally licensed VNC server library that's intended to be fast and
+neat.
+
+## Goals
+ * Speed.
+ * Clean interface.
+ * Interoperability with the Freedesktop.org ecosystem.
+
+## Building
+```
+make 
+```
+
+### Installing
+```
+make install
+```
+
+### Variables
+ * `CFLAGS`: Flags passed to the compiler.
+ * `LDFLAGS`: Flags passed to the linker.
+ * `BUILD_DIR`: Destination directory for the build.
+ * `PREFIX`: System prefix. Default: `/usr/local`.
+ * `PKGCONFIG`: `pkg-config` executable path.
+ * `STRIP`: `strip` executable path.
+ * `DONT_STRIP`: Set this is the installed DSO is not to be stripped of its
+   debugging symbols.
+
+### Cross-compiling
+Generally, it should be enough to set `CC=<architecture-triplet>-gcc` and then
+run `make`, e.g.:
+```
+CC=arm-linux-gnueabihf-gcc make
+```
+If you have a `pkg-config` wrapper at `<triplet>-pkg-config` it will be run
+instead if `pkg-config`, but pkg-config can also be overridden by setting the
+`PKGCONFIG` environment variable prior to running `make`.