[test] cmake: Ensure liblldb builds before tests run

Without liblldb as a test dependency, tests which link it in from an
lldb framework (via Base.buildDriver()) won't work.

llvm-svn: 327595

lldb/test/CMakeLists.txt

@@ -40,6 +40,10 @@ if(NOT LLDB_BUILT_STANDALONE)
   list(APPEND LLDB_TEST_DEPS yaml2obj)
 endif()
 
+if(TARGET liblldb)
+  list(APPEND LLDB_TEST_DEPS liblldb)
+endif()
+
 # The default architecture with which to compile test executables is the default LLVM target
 # architecture, which itself defaults to the host architecture.
 string(TOLOWER "${LLVM_TARGET_ARCH}" LLDB_DEFAULT_TEST_ARCH)