[clang][Bundler] Add a CMake dependency for llvm-objcopy (#970)

clang-offload-bundler calls llvm-objcopy, so it has to have a
dependency on it.

Signed-off-by: Andrew Savonichev <[email protected]>

Author: Andrew Savonichev

clang/tools/clang-offload-bundler/CMakeLists.txt

@@ -17,6 +17,11 @@ set(CLANG_OFFLOAD_BUNDLER_LIB_DEPS
 
 add_dependencies(clang clang-offload-bundler)
 
+# A standalone clang build uses a pre-installed llvm-objcopy
+if (NOT CLANG_BUILT_STANDALONE)
+  add_dependencies(clang-offload-bundler llvm-objcopy)
+endif()
+
 clang_target_link_libraries(clang-offload-bundler
   PRIVATE
   ${CLANG_OFFLOAD_BUNDLER_LIB_DEPS}