Index: share/mk/src.opts.mk
===================================================================
--- share/mk/src.opts.mk
+++ share/mk/src.opts.mk
@@ -180,7 +180,6 @@
     DTRACE_TESTS \
     EISA \
     HESIOD \
-    LLDB \
     NAND \
     OFED \
     OPENLDAP \
@@ -213,20 +212,20 @@
 .if !${COMPILER_FEATURES:Mc++11}
 # If the compiler is not C++11 capable, disable clang and use gcc instead.
 __DEFAULT_YES_OPTIONS+=GCC GCC_BOOTSTRAP GNUCXX
-__DEFAULT_NO_OPTIONS+=CLANG CLANG_BOOTSTRAP CLANG_FULL CLANG_IS_CC
+__DEFAULT_NO_OPTIONS+=CLANG CLANG_BOOTSTRAP CLANG_FULL CLANG_IS_CC LLDB
 .elif ${__T} == "aarch64" || ${__T} == "amd64" || ${__TT} == "arm" || \
     ${__T} == "i386"
 # On x86 and arm, clang is enabled, and will be installed as the default cc.
-__DEFAULT_YES_OPTIONS+=CLANG CLANG_BOOTSTRAP CLANG_FULL CLANG_IS_CC
+__DEFAULT_YES_OPTIONS+=CLANG CLANG_BOOTSTRAP CLANG_FULL CLANG_IS_CC LLDB
 __DEFAULT_NO_OPTIONS+=GCC GCC_BOOTSTRAP GNUCXX
 .elif ${__T:Mpowerpc*}
 # On powerpc, clang is enabled, but gcc is installed as the default cc.
-__DEFAULT_YES_OPTIONS+=CLANG CLANG_FULL GCC GCC_BOOTSTRAP GNUCXX
+__DEFAULT_YES_OPTIONS+=CLANG CLANG_FULL GCC GCC_BOOTSTRAP GNUCXX LLDB
 __DEFAULT_NO_OPTIONS+=CLANG_BOOTSTRAP CLANG_IS_CC
 .else
 # Everything else disables clang, and uses gcc instead.
 __DEFAULT_YES_OPTIONS+=GCC GCC_BOOTSTRAP GNUCXX
-__DEFAULT_NO_OPTIONS+=CLANG CLANG_BOOTSTRAP CLANG_FULL CLANG_IS_CC
+__DEFAULT_NO_OPTIONS+=CLANG CLANG_BOOTSTRAP CLANG_FULL CLANG_IS_CC LLDB
 .endif
 .if ${__T} == "aarch64"
 BROKEN_OPTIONS+=BINUTILS BINUTILS_BOOTSTRAP GCC GCC_BOOTSTRAP GDB