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# serial 3
# See if we need to provide renameat replacement.
dnl Copyright (C) 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
# Written by Eric Blake.
AC_DEFUN([gl_FUNC_RENAMEAT],
[
AC_REQUIRE([gl_FUNC_OPENAT])
AC_REQUIRE([gl_FUNC_RENAME])
AC_REQUIRE([gl_STDIO_H_DEFAULTS])
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_CHECK_HEADERS([linux/fs.h])
AC_CHECK_FUNCS_ONCE([renameat renameat2])
if test $ac_cv_func_renameat = no; then
HAVE_RENAMEAT=0
elif test $REPLACE_RENAME = 1; then
dnl Solaris 9 and 10 have the same bugs in renameat as in rename.
REPLACE_RENAMEAT=1
fi
])
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