CMakeLists: Seastar_DEPRECATED_OSTREAM_FORMATTERS OFF

ceph/seastar@914a424

We shouldn't rely on seastar's formatters

Signed-off-by: Matan Breizman <[email protected]>

Author: Matan-B

src/CMakeLists.txt

@@ -383,6 +383,7 @@ if(WITH_SEASTAR)
   set(Seastar_API_LEVEL "6" CACHE STRING "" FORCE)
   set(Seastar_HWLOC OFF CACHE BOOL "" FORCE)
   set(Seastar_IO_URING OFF CACHE BOOL "" FORCE)
+  set(Seastar_DEPRECATED_OSTREAM_FORMATTERS OFF CACHE BOOL "" FORCE)
   if(Seastar_DPDK)
     find_package(dpdk QUIET)
     if(NOT DPDK_FOUND)