Index: share/mk/src.opts.mk
===================================================================
--- share/mk/src.opts.mk
+++ share/mk/src.opts.mk
@@ -240,6 +240,11 @@
 BROKEN_OPTIONS+=TESTS   # "undefined reference to `_Unwind_Resume'"
 BROKEN_OPTIONS+=CXX     # "libcxxrt.so: undefined reference to `_Unwind_Resume_or_Rethrow'"
 .endif
+.if ${__T} == "aarch64" || ${__T} == "amd64" || ${__TT} == "arm"
+__DEFAULT_YES_OPTIONS+=LLDB
+.else
+__DEFAULT_NO_OPTIONS+=LLDB
+.endif
 # LLVM lacks support for FreeBSD 64-bit atomic operations for ARMv4/ARMv5
 .if ${__T} == "arm" || ${__T} == "armeb"
 BROKEN_OPTIONS+=LLDB