Hello I guess it is because I added force-gcc-header-obj.diff back :/
https://salsa.debian.org/pkg-llvm-team/llvm-toolchain/blob/6.0/debian/patches/force-gcc-header-obj.diff I will disable it. Sorry about that S On 15/08/2018 15:16, Kurt Roeckx wrote: > Hi, > > There seem to be many reports like this, going back years. But I > don't see the problem with clang-5.0, but I do with clang-6.0. > I've read somewhere that this might be some regression between > 6.0.0 and 6.0.1, but I'm not sure about it. > > Anyway, I also get: > include/internal/refcount.h:34:12: error: address argument to atomic > operation must be a pointer to integer or pointer ('_Atomic(int) *' invalid) > *ret = atomic_fetch_add_explicit(val, 1, memory_order_relaxed) + 1; > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > /usr/bin/../lib/gcc/x86_64-linux-gnu/8/include/stdatomic.h:195:6: note: > expanded from macro 'atomic_fetch_add_explicit' > __atomic_fetch_add ((PTR), (VAL), (MO)) > ^ ~~~~~ > > The problem is that clang includes gcc's stdatmics.h, and gcc's > header file uses gcc extentions to remove the atomic qualifier and > clang doesn't support that. > > From what I understand, including gcc's headers was a workaround > for a bug that is now fixed. > > I think the most relevant upstream bug for this is: > https://bugs.llvm.org/show_bug.cgi?id=23556 > https://bugs.llvm.org/show_bug.cgi?id=22740 > > > Kurt >