expose linux extended file system attributes (closes #12720)
diff --git a/pyconfig.h.in b/pyconfig.h.in
index eed1ff7..bf9e7fe 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -64,6 +64,9 @@
/* Define if GCC supports __attribute__((format(PyArg_ParseTuple, 2, 3))) */
#undef HAVE_ATTRIBUTE_FORMAT_PARSETUPLE
+/* Define to 1 if you have the <attr/xattr.h> header file. */
+#undef HAVE_ATTR_XATTR_H
+
/* Define to 1 if you have the `bind_textdomain_codeset' function. */
#undef HAVE_BIND_TEXTDOMAIN_CODESET