Merge branch 'master' of github.com:grpc/grpc into make-ruby-installable

Conflicts:
	BUILD
	Makefile
	binding.gyp
	build.yaml
	gRPC.podspec
	grpc.gemspec
	package.json
	src/python/grpcio/grpc_core_dependencies.py
	templates/Makefile.template
	tools/doxygen/Doxyfile.core.internal
	tools/run_tests/sources_and_headers.json
	vsprojects/vcxproj/gpr/gpr.vcxproj
	vsprojects/vcxproj/gpr/gpr.vcxproj.filters
diff --git a/build.yaml b/build.yaml
index d30a395..8d38b6a 100644
--- a/build.yaml
+++ b/build.yaml
@@ -107,6 +107,7 @@
   - src/core/support/time_precise.c
   - src/core/support/time_win32.c
   - src/core/support/tls_pthread.c
+  - src/core/support/wrap_memcpy.c
 - name: grpc++_base
   public_headers:
   - include/grpc++/channel.h
@@ -841,6 +842,7 @@
   - src/csharp/ext/grpc_csharp_ext.c
   deps:
   - grpc
+  LDFLAGS: $(if $(subst Linux,,$(SYSTEM)),,-Wl$(comma)-wrap$(comma)memcpy)
   deps_linkage: static
   dll: only
   vs_config_type: DynamicLibrary