Pull new version of protobuf sources.

third_party/protobuf/cmake/libprotobuf-lite.cmake

Index: third_party/protobuf/cmake/libprotobuf-lite.cmake
diff --git a/third_party/protobuf/cmake/libprotobuf-lite.cmake b/third_party/protobuf/cmake/libprotobuf-lite.cmake
new file mode 100644
index 0000000000000000000000000000000000000000..e323840a17422434d8509c7bdccaffa77e55ce63
--- /dev/null
+++ b/third_party/protobuf/cmake/libprotobuf-lite.cmake
@@ -0,0 +1,30 @@
+set(libprotobuf_lite_files
+  ${protobuf_source_dir}/src/google/protobuf/arena.cc
+  ${protobuf_source_dir}/src/google/protobuf/arenastring.cc
+  ${protobuf_source_dir}/src/google/protobuf/extension_set.cc
+  ${protobuf_source_dir}/src/google/protobuf/generated_message_util.cc
+  ${protobuf_source_dir}/src/google/protobuf/io/coded_stream.cc
+  ${protobuf_source_dir}/src/google/protobuf/io/zero_copy_stream.cc
+  ${protobuf_source_dir}/src/google/protobuf/io/zero_copy_stream_impl_lite.cc
+  ${protobuf_source_dir}/src/google/protobuf/message_lite.cc
+  ${protobuf_source_dir}/src/google/protobuf/repeated_field.cc
+  ${protobuf_source_dir}/src/google/protobuf/stubs/atomicops_internals_x86_gcc.cc
+  ${protobuf_source_dir}/src/google/protobuf/stubs/atomicops_internals_x86_msvc.cc
+  ${protobuf_source_dir}/src/google/protobuf/stubs/bytestream.cc
+  ${protobuf_source_dir}/src/google/protobuf/stubs/common.cc
+  ${protobuf_source_dir}/src/google/protobuf/stubs/once.cc
+  ${protobuf_source_dir}/src/google/protobuf/stubs/status.cc
+  ${protobuf_source_dir}/src/google/protobuf/stubs/statusor.cc
+  ${protobuf_source_dir}/src/google/protobuf/stubs/stringpiece.cc
+  ${protobuf_source_dir}/src/google/protobuf/stubs/stringprintf.cc
+  ${protobuf_source_dir}/src/google/protobuf/stubs/strutil.cc
+  ${protobuf_source_dir}/src/google/protobuf/stubs/time.cc
+  ${protobuf_source_dir}/src/google/protobuf/wire_format_lite.cc
+)
+
+add_library(libprotobuf-lite ${libprotobuf_lite_files})
+target_link_libraries(libprotobuf-lite ${CMAKE_THREAD_LIBS_INIT})
+target_include_directories(libprotobuf-lite PUBLIC ${protobuf_source_dir}/src)
+set_target_properties(libprotobuf-lite PROPERTIES
+    COMPILE_DEFINITIONS LIBPROTOBUF_EXPORTS
+    OUTPUT_NAME ${LIB_PREFIX}protobuf-lite)