initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/docs/gtk/readme.txt

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+   Welcome to wxWidgets for GTK
+   ----------------------------
+
+You have downloaded the GTK port of the wxWidgets GUI library.
+
+This port works best with GTK 3, but also supports versions as
+old as GTK 2.6 (although some features are only available when
+using GTK+ 2.10 or higher). Note that even if you compile
+wxWidgets against a later GTK version, your application will
+still work with older GTK versions with the same major version
+as wxWidgets tests for the presence of newer features at run-time
+and it will fall back to a generic implementation if these
+features are not present in the GTK version used.
+
+More information about the wxWidgets project (including all the
+other ports and version of wxWidgets) can be found at the
+main wxWidgets homepage at:
+
+    https://www.wxwidgets.org/
+
+Information on how to install can be found in the file
+install.md, but if you cannot wait, this should work on
+many systems:
+
+    mkdir build_gtk
+    cd build_gtk
+    ../configure
+    make
+    su <type root password>
+    make install
+    ldconfig
+
+In order to use wxGTK with GTK 2 you need to use --with-gtk=2
+configure option.
+
+Please note that it is strongly advised to build the library in
+a separate directory, as shown above, as it allows you to have
+different builds of it (for example with and without debug) in
+parallel. If you build in the source directory, don't forget to
+do "make clean" before changing the configuration!
+
+Please send problems concerning installation, feature requests,
+bug reports or comments to the wxWidgets users list. These can
+be found at https://www.wxwidgets.org/support/mailing-lists/
+
+Please see the manual for further information.