Exclude usage of nlohmann/json_fwd.hpp
from REve [6.30]
#14643
Merged
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Before llvm 13 it was not possible to parse
nlohmann/json.hpp
include. Thereforejson_fwd.hpp
was used.But it was missing on several platforms where external
nlohmann/json.hpp
has to be used.Now after llvm upgrade it is not necessary to use it.
This should simplify ROOT building and usage on platforms with installed
nlohmann/json.hpp
.Also should fix #14634