On 2026-09-06 20:24:58 [+0200], To Emilio Pozuelo Monfort wrote: > given that llvm asks for futex_notify_all means that the header file > provides the function (as in defines ATOMIC_INT_LOCK_FREE). It appears > that futex.cc gets compiled during the build of gcc-14 as per build log. > So my guess is that it either does not get linked to the finall > libstdc++.so or the symbol is not exported and so missing.
No. This is not consistent. Just compiled gcc-14 and here ATOMIC_INT_LOCK_FREE is set to 1, so futex.cc is empty. Which makes sense because the symbol is missing. Tomorrow I need to figure out why the llvm sees it greater than 1. > > > Cheers, > > > Emilio > Sebastian
