Fix the nanopb's header include issue
diff --git a/templates/gRPC-Core.podspec.template b/templates/gRPC-Core.podspec.template
index 538e1e6..da0751f 100644
--- a/templates/gRPC-Core.podspec.template
+++ b/templates/gRPC-Core.podspec.template
@@ -178,4 +178,9 @@
'test/core/util/port.c',
'test/core/util/port_server_client.{c,h}'
end
+
+ # TODO (mxyan): Instead of this hack, add include path "third_party" to C core's include path?
+ s.prepare_command = <<-END_OF_COMMAND
+ find src/core/ -type f -exec sed -E -i '.back' 's;#include "third_party/nanopb/(.*)";#include <nanopb/\\1>;g' {} \\\;
+ END_OF_COMMAND
end