/[autoconf]/autoconf/lib/m4sugar/m4sh.m4
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revision 1.94 by dprice, Thu Mar 27 13:18:34 2003 UTC revision 1.95 by akim, Fri May 16 09:59:15 2003 UTC
# Line 278  fi Line 278  fi
278  # AS_UNSET depends upon $as_unset: compute it.  # AS_UNSET depends upon $as_unset: compute it.
279  m4_defun([_AS_UNSET_PREPARE],  m4_defun([_AS_UNSET_PREPARE],
280  [# Support unset when possible.  [# Support unset when possible.
281  if (FOO=FOO; unset FOO) >/dev/null 2>&1; then  if (as_foo=foo; unset as_foo) >/dev/null 2>&1; then
282    as_unset=unset    as_unset=unset
283  else  else
284    as_unset=false    as_unset=false

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