We still target a very old version of macOS, which tends to make clang
very upset, so we need to turn off depercation warnings.

This makes our builds directly compatible with most distributions
without packagers/users having to specify extra flags.

This sets up a more correct session as there are key tasks that
need to be performed by PAM. E.g. systemd will allocate cgroups
and start base services.

In order to easily handle this as a system service the mapping of
displays is now done via a configuration file.

It is present on all UNIX systems anyway, so let's simplify things.
We will need it for more proper session startup anyway.

Every reasonably current system support getaddrinfo() so get rid
of the legacy fallbacks.

This allows us to simplify things by getting rid of some old
compatibility code. People should really be using current versions
of GnuTLS anyway to stay secure.

This means that we can remove a lot of conditionals and fallback code.

Boiler plate code to intercept system events from FLTK so that
we can generate proper keyboard messages.

Remove the FLTK simple keyboard system and reorganise things in
preparation for a more direct approach.

It's either not used, or no longer relevant.

conversion. Bug discovered by Radek Podgorny.


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checks that it is actually present on the current system.


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fullscreen over multiple monitors. Will properly report screen configuration
to the server, provided the server supports it.


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gnutls_transport_set_errno(). Make sure we call the right errno function
depending on which GnuTLS we're using.


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change of the project name is to make the CMake build behave like the
Autotools build - define PACKAGE_NAME in the same way.



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