The Angle update includes a call to dladdr which previously wasn't part of the emulation library. As part of adding the new wrapper, use find_package to get the link options (specifically the -Wl,-wrap arguments to use) and include it on shared library links as well as executables.
Created attachment 395838 [details] Patch
Committed r259755: <https://trac.webkit.org/changeset/259755> All reviewed patches have been landed. Closing bug and clearing flags on attachment 395838 [details].
<rdar://problem/61475982>