test "x$QEMU" = "xno" && AC_MSG_ERROR([qemu must be installed])
AC_DEFINE_UNQUOTED([QEMU],["$QEMU"],[Location of qemu binary.])
dnl Check that the chosen qemu has vmchannel support.
dnl http://lists.gnu.org/archive/html/qemu-devel/2009-02/msg01042.html
if test "x$vmchannel_test" != "xno"; then
test "x$QEMU" = "xno" && AC_MSG_ERROR([qemu must be installed])
AC_DEFINE_UNQUOTED([QEMU],["$QEMU"],[Location of qemu binary.])
dnl Check that the chosen qemu has vmchannel support.
dnl http://lists.gnu.org/archive/html/qemu-devel/2009-02/msg01042.html
if test "x$vmchannel_test" != "xno"; then