Draft: [ABI] Fix mangling of GetVTKVersion
- Flag recursive macro expansion errors in CI via
-Wdisabled-macro-expansion
. - Fix usage of VTK_ABI_NAMESPACE_MANGLE for symbol definitions
by conditionally mangling only when
VTK_HAS_ABI_NAMESPACE
.
Follow-up to: !10676 (comment 1468825)
Edited by Stephen McDowell