Chris Green

ROOT 6.26/04 fails to build with LLVM/Clang 14.0.6 with C++17 / `libc++` on SLF7

13

- [x] Checked for duplicates ### Describe the bug ROOT 6.26/04 (https://github.com/root-project/root/tree/02b2af7af1be3430a3124236a7cdc6bb13cf90d2) fails to build with LLVM/Clang 14.0.6 with the following error from `rootcling`: ```{Console} [7221/9777] Generating G__Core.cxx, ../lib/Core.pcm FAILED:...

Add the ability to limit the number of versions checksummed.

2

* New command option `spack create --limit #`. * Corresponding functionality in `spack.stage.get_checksums_for_versions()`.

Support deps with constraints based on package versions

21

Add optional `version_translator` function argument to `depends_on()` Closes #14002. This allows for packages to require—with a single directive—a dependency to have version requirements that are related to the selected version...

Request _C++20_ module compatibility with ROOT 6.30/00

9

### Feature description As C++20 goes mainstream, there are many reasons to start using C++20 modules in a non-ROOT context to provide well-designed and encapsulated APIs. Generated module files are...