unused: mark conditionally unused variables as such

Change-Id: I2db61daf79081093cde27486595859b2cd5441f4
python: conditionalize platform-specific functions

Since the functions are only called on the specific platform, only
define them if they'll be called.

Change-Id: I723f9fb62a562286d9b470477fa7c10b9e9b21c0
unused: comment out functions which are called only from comments

Change-Id: I282b8bc5745973cedbc183834fe35a00691c6b3c
unused: remove unused functions

Change-Id: I5cf633479c85b5a37b6e3d1fd7093f658b5851f7
unused: mark unused argument as such

Self-assignment is not a use of a variable.

Change-Id: Ibefc9e0d66ebb6b271795fc55b86f97938d4b74b
vtkMaterialInterface: move function to its only user's file

Change-Id: Ic11284284487de2d2e9b82677ec7504565827a13
shadow: rename a shadowing parameter

Change-Id: I9fa8599f0908c5aea30b5a3660e8a1e0ec30c484
Merge topic 'more-dashboard-warnings' into next

5e54426b shadow: rename a shadowing parameter
132529b8 vtkMaterialInterface: move function to its only user's file
1acbad86 unused: mark unused argument as such
cb15d47f unused: remove unused functions
26a21f37 unused: comment out functions which are called only from comments
b96eea2e python: conditionalize platform-specific functions
3cc3b635 unused: mark conditionally unused variables as such