message: bazel: don't produce .so files libraries
  Avoids extra link time.
diff: @@ -79,6 +79,7 @@ def envoy_cc_library(name,
  ],
  include_prefix = envoy_include_prefix(PACKAGE_NAME),
  alwayslink = 1,
  + linkstatic = 1,
  )
  def _git_stamped_genrule(repository, name):
  @@ -204,6 +205,7 @@ def envoy_cc_test_library(name,
  ],
  tags = tags,
  alwayslink = 1,
  + linkstatic = 1,
  )
  # Envoy C++ mock targets should be specified with this function.
  @@ -260,4 +262,5 @@ def envoy_proto_library(name, srcs = [], deps = []):
  hdrs = [_proto_header(s) for s in srcs if _proto_header(s)],
  include_prefix = envoy_include_prefix(PACKAGE_NAME),
  deps = [internal_name],
  + linkstatic = 1,
  )
  