Defines common attributes which are shared by majority of the shaders,
allowing mesh to be configured for the generic shader to be used with any
of them.
Rudely written to work only with fairly recent extensions and nothing
less than GLSL 3.30. It requires geometry shaders for wireframe
rendering, without it it behaves the same as Shaders::Flat.
Not documented yet, because I am ashamed of this way of doing things.
With shared libraries the resources are imported automatically, with
static ones the user must explicitly include these files in some
non-static library or executable to have them imported.
* Calling enable_testing() only in root path.
* Using CORRADE_CXX_FLAGS instead of our own set to make things easier
to maintain.
* Various cleanup and reorganization.
* CMAKE_SHARED_LIBRARY_CXX_FLAGS is empty here, caused CMake errors.
* CMake's OBJECT target has a bug that it doesn't define target_EXPORTS
as with other library targets, so it's needed to define it manually.
It also fixes empty flags issue.
* Visibility headers weren't updated for OBJECT targets, they now also
catch *Objects_EXPORTS defines.
* For libraries that are part of the same project using directly target
name instead of ${*_LIBRARY} variable.
* Prefixed test target names with namespace, so tests for the same
class in different namespaces won't conflict.
* Removed unneeded linking to ${CORRADE_UTILITY_LIBRARY} in some
places.