Obsoleted by dev-ml/ppxlib. Its only direct consumer is =dev-ml/ppx_core-0.9.0-r1, but... $ qgrep ppx_core -Nl dev-ml/ppx_variants_conv-0.9.0 dev-ml/bin-prot-0.9.0 dev-ml/ppx_let-0.9.0 dev-ml/ppx_core-0.9.0-r1 dev-ml/ppx_typerep_conv-0.9.0 dev-ml/ppx_js_style-0.9.0 dev-ml/ppx_sexp_conv-0.9.0-r1 dev-ml/ppx_driver-0.9.1-r1 dev-ml/ppx_enumerate-0.9.0 dev-ml/ppx_fail-0.9.0 dev-ml/ppx_optcomp-0.9.0-r3 dev-ml/ocaml-uri-1.9.4 dev-ml/ppx_sexp_value-0.9.0 dev-ml/ppx_traverse-0.9.0 dev-ml/ppx_sexp_message-0.9.0 dev-ml/ppx_bin_prot-0.9.0 dev-ml/ppx_assert-0.9.0 dev-ml/ppx_fields_conv-0.9.0-r1 dev-ml/ppx_hash-0.9.0 dev-ml/ppx_custom_printf-0.9.0-r1 dev-ml/ppx_type_conv-0.9.0 dev-ml/ppx_bench-0.9.1 dev-ml/ppx_metaquot-0.9.0 dev-ml/ppx_compare-0.9.0-r1 dev-ml/bin-prot-0.9.1 dev-ml/ppx_inline_test-0.9.2 dev-ml/ppx_expect-0.9.0 dev-ml/ppx_optional-0.9.0 dev-ml/ppx_here-0.9.1 dev-ml/ppx_pipebang-0.9.0 dev-ml/bin-prot-0.9.2 dev-ml/ocaml-ipaddr-2.8.0 These will all either need bumping or removing.