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coreutils/m4
Jarkko Sakkinen 2bc0281352 id: adjust/restrict smack support to newer versions of libsmack
There was slight change to libsmack such that positive values are
reserved for returning length of the label for smack_new_label_from_*
functions.

* m4/jm-macros.m4: Set HAVE_SMACK when both smack_new_label_from_self()
and recently added smack_new_label_from_path() are present.
The latter's presence indicates the newer API of the former.
* src/id.c (main): Check that smack_new_label_from_self() < 0,
and not just non-zero.
2013-06-20 21:50:57 +01:00
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