-PKG_CHECK_MODULES(LIBVALA_0_28_X, libvala-0.28 > 0.26.0, have_libvala_0_28_x="yes", have_libvala_0_28_x="no")
-AM_CONDITIONAL(HAVE_LIBVALA_0_28_X, test "$have_libvala_0_28_x" = "yes")
-
-PKG_CHECK_MODULES(LIBVALA_0_26_X, libvala-0.26 > 0.25.2, have_libvala_0_26_x="yes", have_libvala_0_26_x="no")
-AM_CONDITIONAL(HAVE_LIBVALA_0_26_X, test "$have_libvala_0_26_x" = "yes")
-
-PKG_CHECK_MODULES(LIBVALA_0_24_X, libvala-0.24 > 0.23.1, have_libvala_0_24_x="yes", have_libvala_0_24_x="no")
-AM_CONDITIONAL(HAVE_LIBVALA_0_24_X, test "$have_libvala_0_24_x" = "yes")
+PKG_CHECK_MODULES(LIBVALA, [libvala-0.28],
+ [vala_2_8_enabled=yes],
+ [vala_2_8_enabled=no])
+
+if test $vala_2_8_enabled = yes; then
+ AC_DEFINE(HAVE_LIBVALA28,1,[libvala 0.28 support])
+else
+ PKG_CHECK_MODULES(LIBVALA, [libvala-0.26],
+ [vala_2_6_enabled=yes],
+ [vala_2_6_enabled=no])
+
+ if test $vala_2_6_enabled = yes; then
+ AC_DEFINE(HAVE_LIBVALA26,1,[libvala 0.26 support])
+ else
+ PKG_CHECK_MODULES(LIBVALA, [libvala-0.24],
+ [vala_2_4_enabled=yes],
+ [vala_2_4_enabled=no])
+
+ if test $vala_2_4_enabled = yes; then
+ AC_DEFINE(HAVE_LIBVALA24,1,[libvala 0.24 support])
+ else
+ PKG_CHECK_MODULES(LIBVALA, [libvala-0.22],
+ [vala_2_2_enabled=yes] )
+
+ AC_DEFINE(HAVE_LIBVALA22,1,[libvala 0.22 support])
+ fi
+ fi
+fi