+ have_protoc_c="no (protoc-c compiler not found)"
+fi
+
+if test "x$have_protoc_c" = "xyes"
+then
+ AC_CHECK_HEADERS([protobuf-c/protobuf-c.h google/protobuf-c/protobuf-c.h],
+ [have_protoc_c="yes"; break],
+ [have_protoc_c="no (<google/protobuf-c/protobuf-c.h> not found)"])
+fi
+if test "x$have_protoc_c" = "xyes"
+then
+ AC_CHECK_LIB([protobuf-c], [protobuf_c_message_pack],
+ [have_protoc_c="yes"],
+ [have_protoc_c="no (libprotobuf-c not found)"])
+