CMakeDetermineCompilerFeatures.cmake is no more in 3.30 : bug or not ?

It seems this file is now called CMakeDetermineCompilerSupport.cmake, with a similar rename for the function it brings.

What is the adviced migration path in case this is not a bug ?

I know of cmakelists files that do :
include(CMakeDetermineCompilerFeatures)

That file is an internal implementation detail of CMake. It is not part of CMake’s public API, projects and developers should not be trying to use it directly. It can (and apparently now has in the 3.30 release) change without notice.

What would be the suggested API layer around to use for the functionality this implements ?

Let me turn the question around. What are you trying to use it for?

I asked the library author to comment and answer that question :wink:
I assume he will report here later on.