AC_DEFUN(KB_PATH_QT,
[
dnl Test for -lqt
dnl 

dnl see if -lqt works
AC_MSG_CHECKING([for Qt library ])
AC_LANG_CPLUSPLUS
ac_save_LIBS="$LIBS"
LIBS="-lqt "
AC_TRY_LINK(
  [#include<qmessagebox.h>],
  [ QMessageBox(); ],
  have_qt=yes,
  have_qt=no
)
LIBS="$ac_save_LIBS"

if test $have_qt = yes; then
  AC_MSG_RESULT([yes])
  QT_LIBS="-lqt"
  ifelse([$1], , :, [$1])
else
  AC_MSG_RESULT([no])
  QT_LIBS=""
  ifelse([$2], , :, [$2])
fi

AC_SUBST(QT_LIBS)

])