AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
[Support IDN/IRIs (needs GNU Libidn)]),
libidn=$withval, libidn="")
-if test "X$iri" != "Xno"; then
+AS_IF([test "X$iri" != "Xno"],[
AM_ICONV
if test "X$am_cv_func_iconv" != "Xyes"; then
AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found])
fi
fi
-fi
+],[ # else
+ # For some reason, this seems to be set even when we don't check.
+ # Explicitly unset.
+ LIBICONV=
+])
if test "X$iri" != "Xno"; then
if test "$libidn" != ""; then