Sorry @matthewfeickert i spoke to soon without proper digging .. It would seem that CMAKE_INTERPROCEDURAL_OPTIMIZATION is a cmake property that is taken as default on and this enable lto .. so far did not find a came argument level way to disable this, seems that only a line in CMakeLists.txt on the form of `set(CMAKE_INTERPROCEDURAL_OPTIMIZATION FALSE)` would disable `-flto` but i still do not why exactly is this the default -- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/pull/1906#issuecomment-1430265928 You are receiving this because you are subscribed to this thread. Message ID: <[log in to unmask]> ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1