[...]

-- Looking for el_init in edit - found
-- Looking for setupterm in tinfo
-- Looking for setupterm in tinfo - found
-- Looking for xar_open in xar
-- Looking for xar_open in xar - not found
-- Looking for arc4random
-- Looking for arc4random - not found
-- Looking for backtrace
-- Looking for backtrace - found
-- Looking for _Unwind_Backtrace
-- Looking for _Unwind_Backtrace - found
-- Looking for getpagesize
-- Looking for getpagesize - found
-- Looking for getrusage
-- Looking for getrusage - found
-- Looking for setrlimit
-- Looking for setrlimit - found
-- Looking for isatty
-- Looking for isatty - found
-- Looking for futimens
-- Looking for futimens - found
-- Looking for futimes
Terminated
ended at: Sat Jun  1 19:59:56 2019, done in 0:00:17.873436
error: No files produced.
+ chmod -R u+rwX /tmp/B.SxnJHN/BUILD
-- Looking for futimes - found
-- Looking for sigaltstack
-- Looking for sigaltstack - found
-- Looking for writev
+ rm -rf /tmp/B.SxnJHN/tmp /tmp/B.SxnJHN/BUILD
-- Looking for writev - not found
-- Looking for mallctl
CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage
CMake Error at /usr/share/cmake/Modules/CheckSymbolExists.cmake:100 (try_compile):
  Failed to configure test project build system.
Call Stack (most recent call first):
  /usr/share/cmake/Modules/CheckSymbolExists.cmake:57 (__CHECK_SYMBOL_EXISTS_IMPL)
  cmake/config-ix.cmake:177 (check_symbol_exists)
  CMakeLists.txt:456 (include)
-- Configuring incomplete, errors occurred!
See also "/tmp/B.SxnJHN/BUILD/llvm-3.9.1.src/build/CMakeFiles/CMakeError.log".
rm: cannot remove '/tmp/B.SxnJHN/BUILD/llvm-3.9.1.src': Directory not empty
+ rm -rf /tmp/B.SxnJHN
Begin-TLD-Builder-Info
Build-Time: user:5.36s sys:2.41s real:20.20s (faults io:0 non-io:67587)
End-TLD-Builder-Info