+AC_ARG_WITH([qt-dir],
+ [AS_HELP_STRING([--with-qt-dir=DIR],
+ [location of Qt library, defaults to: /usr])],
+ [QTDIR="$withval"],
+ [QTDIR='/usr'])
+AC_SUBST([QTDIR])
+
+AC_CHECK_PROGS([DOXYGEN], [doxygen])
+if test -z "$DOXYGEN";
+ then AC_MSG_WARN([Doxygen not found - continuing without Doxygen support])
+fi
+
+AM_CONDITIONAL([HAVE_DOXYGEN], [test -n "$DOXYGEN"])
+AM_COND_IF([HAVE_DOXYGEN], [AC_CONFIG_FILES([Doxyfile])])