Created attachment 173068 [details]
llvm-devel attempts to install llvm-devel/include/xray/xray_interface.h but the directory llvm-devel/include/x-ray is not present without COMPILER_RT selected.
With options CLANG GOLD LL OPENMP, the port fails at the install phase.
X-Ray appears to be an optional component of COMPILER_RT:
Attached is a patch for pkg-plist.
Created attachment 173069 [details]
Install log (configure stage had scrolled off)
A commit references this bug:
Date: Sat Jul 30 23:42:49 UTC 2016
New revision: 419336
Fix a plist generation bug that broke the !COMPILER_RT case.
Also reported by: marino
Thanks for the report.