--- configure.ac.orig	2026-06-29 19:19:58 UTC
+++ configure.ac
@@ -811,6 +811,8 @@ esac
 # gcc -march=native -dM -E - < /dev/null | grep SSE
 # We can just use the define in GCC instead!
 
+AC_CHECK_FUNCS([getpeereid])
+
 AC_MSG_CHECKING([for GCC provided 64-bit atomic operations])
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
     #include <inttypes.h>