I'm getting a build failure building webkitgtk for ppc64le on SLE 15 (gcc 7.5.0). __unix is undefined when building with -std=c++1z (but only on ppc64le, apparently), so BOS_UNIX doesn't get defined, leading to some headers not being included later. __unix__ is defined.
Created attachment 391081 [details] Patch.
Comment on attachment 391081 [details] Patch. r=me
Comment on attachment 391081 [details] Patch. Clearing flags on attachment: 391081 Committed r258142: <https://trac.webkit.org/changeset/258142>
All reviewed patches have been landed. Closing bug.
<rdar://problem/60223932>