AC_ARG_WITH(qt4-dir, [AC_HELP_STRING([--with-qt4-dir], [where the root of Qt 4 is installed])],
[ qt4_cv_dir=`eval echo "$withval"/` ])
AC_ARG_WITH(qt4-dir, [AC_HELP_STRING([--with-qt4-dir], [where the root of Qt 4 is installed])],
[ qt4_cv_dir=`eval echo "$withval"/` ])