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better AC_REQUIRE expanded-before-required-warning avoidance
authorJim Meyering <meyering@redhat.com>
Mon, 16 Nov 2009 18:26:35 +0000 (19:26 +0100)
committerJim Meyering <meyering@redhat.com>
Mon, 16 Nov 2009 18:29:47 +0000 (19:29 +0100)
* m4/chown.m4 (gl_FUNC_CHOWN, gl_FUNC_CHOWN_FOLLOWS_SYMLINK): Define
with AC_DEFUN_ONCE, rather than AC_DEFUN, to avoid AC_REQUIRE warnings.
Suggested by Eric Blake.  This change also reverts commit 1b712ba8,
which is no longer needed.


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