V6-10-00-patches :: system lz4 not found

ROOT
1

Hi! it seems that my system lz4 (1.8.0) is not found by root cmake :

-- Looking for LZ4
-- LZ4 not found. Switching on builtin_lz4 option
-- Building LZ4 version v1.7.5 included in ROOT itself

Thank you!
Adrian

2

That is a problem related to xxhash.h header. xxHash is embedded in LZ4, but the header is not distributed, so when ROOT looks for it, it’s not found. Hence the builtin version is enabled. This is something that we will need to fix on our end at some point by separating LZ4 and xxhash requirements. I created a JIRA ticket to track this issue. Thanks for reporting.

3

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