sanity_path=`which $1 2>/dev/null`
if test "$?" -eq 0 -a -x "$sanity_path" ; then
sanity=`$1 $2 2>&1 | grep "$3"`
if test -z "$sanity" ; then
AC_MSG_RESULT([no])
sanity_path=`which $1 2>/dev/null`
if test "$?" -eq 0 -a -x "$sanity_path" ; then
sanity=`$1 $2 2>&1 | grep "$3"`
if test -z "$sanity" ; then
AC_MSG_RESULT([no])