First part of implementing wrapper types. Not ready yet!
diff --git a/src/Makefile.am b/src/Makefile.am
index 233b626..0a7d3a3 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -441,7 +441,9 @@
google/protobuf/compiler/csharp/csharp_source_generator_base.cc \
google/protobuf/compiler/csharp/csharp_source_generator_base.h \
google/protobuf/compiler/csharp/csharp_umbrella_class.cc \
- google/protobuf/compiler/csharp/csharp_umbrella_class.h
+ google/protobuf/compiler/csharp/csharp_umbrella_class.h \
+ google/protobuf/compiler/csharp/csharp_wrapper_field.cc \
+ google/protobuf/compiler/csharp/csharp_wrapper_field.h
bin_PROGRAMS = protoc
protoc_LDADD = $(PTHREAD_LIBS) libprotobuf.la libprotoc.la