-AC_CHECK_PROG(HAVE_GTKMATHVIEW, gtkmathview-config, yes, no)
-if test $HAVE_GTKMATHVIEW = "no"; then
- AC_MSG_ERROR(could not find gtkmathview configuration script, please make sure gtkmathview is installed)
-fi
+PKG_CHECK_MODULES(GDOME, gdome2 >= 0.7.0,, AC_MSG_ERROR(could not find Gdome2))
+AC_SUBST(GDOME_CFLAGS)
+AC_SUBST(GDOME_LIBS)
+
+PKG_CHECK_MODULES(GTKMATHVIEW, gtkmathview >= 0.5.1,, AC_MSG_ERROR(could not find gtkmathview))
+AC_SUBST(GTKMATHVIEW_CFLAGS)
+AC_SUBST(GTKMATHVIEW_LIBS)