Reland of Statically link libprotobuf_lite on Linux

third_party/protobuf/patches/0012-extract-globals.patch

Index: third_party/protobuf/patches/0012-extract-globals.patch
diff --git a/third_party/protobuf/patches/0012-extract-globals.patch b/third_party/protobuf/patches/0012-extract-globals.patch
new file mode 100644
index 0000000000000000000000000000000000000000..c7b9a8bcd8126d9d72ac788b4b0e55245a8b2dfd
--- /dev/null
+++ b/third_party/protobuf/patches/0012-extract-globals.patch
@@ -0,0 +1,66 @@
+diff -ru --new-file protobuf/src/google/protobuf/generated_message_util.cc protobuf2/src/google/protobuf/generated_message_util.cc
+--- protobuf/src/google/protobuf/generated_message_util.cc	2017-03-14 18:07:36.280818971 -0700
++++ protobuf2/src/google/protobuf/generated_message_util.cc	2017-03-14 18:07:25.596809777 -0700
+@@ -48,20 +48,18 @@
+   return std::numeric_limits<double>::quiet_NaN();
+ }
+ 
+-const ::std::string* empty_string_;
+-GOOGLE_PROTOBUF_DECLARE_ONCE(empty_string_once_init_);
+-
+ void DeleteEmptyString() {
+-  delete empty_string_;
++  delete cr_empty_string_;
+ }
+ 
+ void InitEmptyString() {
+-  empty_string_ = new string;
++  cr_empty_string_ = new string;
+   OnShutdown(&DeleteEmptyString);
+ }
+ 
+ const ::std::string& GetEmptyString() {
+-  ::google::protobuf::GoogleOnceInit(&empty_string_once_init_, &InitEmptyString);
++  ::google::protobuf::GoogleOnceInit(&cr_empty_string_once_init_,
++                                     &InitEmptyString);
+   return GetEmptyStringAlreadyInited();
+ }
+ 
+diff -ru --new-file protobuf/src/google/protobuf/generated_message_util.h protobuf2/src/google/protobuf/generated_message_util.h
+--- protobuf/src/google/protobuf/generated_message_util.h	2017-03-14 18:07:36.280818971 -0700
++++ protobuf2/src/google/protobuf/generated_message_util.h	2017-03-14 18:07:25.424809629 -0700
+@@ -77,14 +77,14 @@
+ 
+ // Default empty string object. Don't use the pointer directly. Instead, call
+ // GetEmptyString() to get the reference.
+-LIBPROTOBUF_EXPORT extern const ::std::string* empty_string_;
+-LIBPROTOBUF_EXPORT extern ProtobufOnceType empty_string_once_init_;
++LIBPROTOBUF_EXPORT extern const ::std::string* cr_empty_string_;
++LIBPROTOBUF_EXPORT extern ProtobufOnceType cr_empty_string_once_init_;
+ LIBPROTOBUF_EXPORT void InitEmptyString();
+ 
+ 
+ LIBPROTOBUF_EXPORT inline const ::std::string& GetEmptyStringAlreadyInited() {
+-  assert(empty_string_ != NULL);
+-  return *empty_string_;
++  assert(cr_empty_string_ != NULL);
++  return *cr_empty_string_;
+ }
+ 
+ LIBPROTOBUF_EXPORT const ::std::string& GetEmptyString();
+diff -ru --new-file protobuf/src/google/protobuf/globals.cc protobuf2/src/google/protobuf/globals.cc
+--- protobuf/src/google/protobuf/globals.cc	1969-12-31 16:00:00.000000000 -0800
++++ protobuf2/src/google/protobuf/globals.cc	2017-03-14 18:07:25.412809619 -0700
+@@ -0,0 +1,12 @@
++#include <google/protobuf/generated_message_util.h>
++
++namespace google {
++namespace protobuf {
++namespace internal {
++
++const ::std::string* cr_empty_string_;
++GOOGLE_PROTOBUF_DECLARE_ONCE(cr_empty_string_once_init_);
++
++}  // namespace internal
++}  // namespace protobuf
++}  // namespace google