AC_SUBST(CAP_LIBS)
AC_CHECK_FUNCS([__secure_getenv secure_getenv])
-AC_CHECK_DECLS([memfd_create, gettid, pivot_root, name_to_handle_at, setns, getrandom, renameat2, kcmp, keyctl, LO_FLAGS_PARTSCAN],
- [], [], [[
+AC_CHECK_DECLS([
+ memfd_create,
+ gettid,
+ pivot_root,
+ name_to_handle_at,
+ setns,
+ getrandom,
+ renameat2,
+ kcmp,
+ keyctl,
+ LO_FLAGS_PARTSCAN,
+ copy_file_range],
+ [], [], [[
#include <sys/types.h>
#include <unistd.h>
#include <sys/mount.h>