Make the build script actually work on rpi1/wheezy.

Adjust for gcc 4.9.2.

Also, disable native gcc building for now.
If the system base gcc/gnat 4.9.2, we don't
need to build our own.

Add ISC license to the build script.

Remove or fix doc building.

Fixes building on Ubuntu 14.04.

Add texinfo fixes to native gnat build.

Put environment variables inside quotes
so they work even when they have spaces.

Some tweaks for (64-bit) Debian.

Update the script slightly.

It should now build the latest avr-ada on Debian 6.0 (64-bit)
out of the box without any tweaks.

Update AVR-Ada repository path.

Add explicit --enable-multilib to avr-gcc.
Also, remove commented out installation prefixes.

Remove gnat 4.3.x build function.
It is not needed anymore.

Disable avr-threads building and remove '64' from installation dir prefix.

A script for building AVR-Ada on Linux using GCC 4.7.0.