1 files changed, 1 insertions, 1 deletions
diff --git a/configure b/configure
index d607c5e..be045f2 100755
--- a/configure
+++ b/configure
@@ -15545,7 +15545,7 @@ fi
 # checks for library functions
 for ac_func in  \
   accept4 alarm bind_textdomain_codeset chmod chown clock close_range confstr \
-  copy_file_range ctermid dup3 execv explicit_bzero explicit_memset \
+  copy_file_range ctermid dup dup3 execv explicit_bzero explicit_memset \
   faccessat fchmod fchmodat fchown fchownat fdopendir fdwalk fexecve \
   fork fork1 fpathconf fstatat ftime ftruncate futimens futimes futimesat \
   gai_strerror getegid getentropy geteuid getgid getgrgid getgrgid_r \