-AC_PATH_PROG(JADE, jade, "")
-AC_PATH_PROG(JADETEX, jadetex, "")
+
+dnl Determine which documentation shall be built
+TUTORIAL_TARGETS=
+REFERENCE_TARGETS=
+if [[ "x$enable_html_doc" = "xyes" ]]; then
+ TUTORIAL_TARGETS="$TUTORIAL_TARGETS index.html"
+ REFERENCE_TARGETS="$REFERENCE_TARGETS index.html"
+fi
+if [[ "x$enable_ps_doc" = "xyes" ]]; then
+# currently doesn't work
+# TUTORIAL_TARGETS="$TUTORIAL_TARGETS tutorial.ps"
+ REFERENCE_TARGETS="$REFERENCE_TARGETS reference.ps"
+fi
+AC_SUBST(TUTORIAL_TARGETS)
+AC_SUBST(REFERENCE_TARGETS)