* Package:    dev-ml/ppx_fields_conv-0.9.0-r1
 * Repository: gentoo
 * Maintainer: ml@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking ppx_fields_conv-0.9.0.tar.gz to /var/tmp/portage/dev-ml/ppx_fields_conv-0.9.0-r1/work
>>> Source unpacked in /var/tmp/portage/dev-ml/ppx_fields_conv-0.9.0-r1/work
>>> Preparing source in /var/tmp/portage/dev-ml/ppx_fields_conv-0.9.0-r1/work/ppx_fields_conv-0.9.0 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-ml/ppx_fields_conv-0.9.0-r1/work/ppx_fields_conv-0.9.0 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-ml/ppx_fields_conv-0.9.0-r1/work/ppx_fields_conv-0.9.0 ...
make -j1 
jbuilder build @install
Workspace root: /var/tmp/portage/dev-ml/ppx_fields_conv-0.9.0-r1/work/ppx_fields_conv-0.9.0
Running[0]: /usr/bin/ocamlfind printconf path > /var/tmp/portage/dev-ml/ppx_fields_conv-0.9.0-r1/temp/jbuildb6de9b.output
Running[1]: /usr/bin/ocamlc.opt -config > /var/tmp/portage/dev-ml/ppx_fields_conv-0.9.0-r1/temp/jbuildb3d685.output
Actual targets:
- alias install
Running[2]: (cd _build/default && /usr/bin/ocamlopt.opt -o ../.ppx/default/ppx_metaquot+ppx_driver.runner/ppx.exe -I /usr/lib64/ocaml/base -I /usr/lib64/ocaml/base/caml -I /usr/lib64/ocaml/base/shadow_stdlib -I /usr/lib64/ocaml/compiler-libs -I /usr/lib64/ocaml/ocaml-compiler-libs/common -I /usr/lib64/ocaml/ocaml-compiler-libs/shadow -I /usr/lib64/ocaml/ocaml-migrate-parsetree -I /usr/lib64/ocaml/ocaml-migrate-parsetree/driver-main -I /usr/lib64/ocaml/ppx_ast -I /usr/lib64/ocaml/ppx_core -I /usr/lib64/ocaml/ppx_driver -I /usr/lib64/ocaml/ppx_driver/print_diff -I /usr/lib64/ocaml/ppx_driver/runner -I /usr/lib64/ocaml/ppx_metaquot -I /usr/lib64/ocaml/ppx_metaquot/lifters -I /usr/lib64/ocaml/ppx_optcomp -I /usr/lib64/ocaml/ppx_traverse_builtins -I /usr/lib64/ocaml/sexplib/0 -I /usr/lib64/ocaml/stdio caml.cmxa shadow_stdlib.cmxa sexplib0.cmxa ocamlcommon.cmxa ocaml_common.cmxa ocaml_shadow.cmxa migrate_parsetree.cmxa base.cmxa ppx_ast.cmxa ppx_traverse_builtins.cmxa stdio.cmxa ppx_core.cmxa print_diff.cmxa ppx_optcomp.cmxa ppx_driver.cmxa ppx_metaquot_lifters.cmxa ppx_metaquot.cmxa ppx_driver_runner.cmxa migrate_parsetree_driver_main.cmxa)

Command [2] exited with code 2:
$ (cd _build/default && /usr/bin/ocamlopt.opt -o ../.ppx/default/ppx_metaquot+ppx_driver.runner/ppx.exe -I /usr/lib64/ocaml/base -I /usr/lib64/ocaml/base/caml -I /usr/lib64/ocaml/base/shadow_stdlib -I /usr/lib64/ocaml/compiler-libs -I /usr/lib64/ocaml/ocaml-compiler-libs/common -I /usr/lib64/ocaml/ocaml-compiler-libs/shadow -I /usr/lib64/ocaml/ocaml-migrate-parsetree -I /usr/lib64/ocaml/ocaml-migrate-parsetree/driver-main -I /usr/lib64/ocaml/ppx_ast -I /usr/lib64/ocaml/ppx_core -I /usr/lib64/ocaml/ppx_driver -I /usr/lib64/ocaml/ppx_driver/print_diff -I /usr/lib64/ocaml/ppx_driver/runner -I /usr/lib64/ocaml/ppx_metaquot -I /usr/lib64/ocaml/ppx_metaquot/lifters -I /usr/lib64/ocaml/ppx_optcomp -I /usr/lib64/ocaml/ppx_traverse_builtins -I /usr/lib64/ocaml/sexplib/0 -I /usr/lib64/ocaml/stdio caml.cmxa shadow_stdlib.cmxa sexplib0.cmxa ocamlcommon.cmxa ocaml_common.cmxa ocaml_shadow.cmxa migrate_parsetree.cmxa base.cmxa ppx_ast.cmxa ppx_traverse_builtins.cmxa stdio.cmxa ppx_core.cmxa print_diff.cmxa ppx_optcomp.cmxa ppx_driver.cmxa ppx_metaquot_lifters.cmxa ppx_metaquot.cmxa ppx_driver_runner.cmxa migrate_parsetree_driver_main.cmxa)
File "_none_", line 1:
Error: Files /usr/lib64/ocaml/ppx_driver/ppx_driver.cmxa
       and /usr/lib64/ocaml/ppx_optcomp/ppx_optcomp.cmxa
       make inconsistent assumptions over implementation Ppx_optcomp
make: *** [Makefile:5: default] Error 1
 * ERROR: dev-ml/ppx_fields_conv-0.9.0-r1::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=dev-ml/ppx_fields_conv-0.9.0-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-ml/ppx_fields_conv-0.9.0-r1::gentoo'`.
 * The complete build log is located at '/var/log/portage/dev-ml:ppx_fields_conv-0.9.0-r1:20170417-152258.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-ml/ppx_fields_conv-0.9.0-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-ml/ppx_fields_conv-0.9.0-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-ml/ppx_fields_conv-0.9.0-r1/work/ppx_fields_conv-0.9.0'
 * S: '/var/tmp/portage/dev-ml/ppx_fields_conv-0.9.0-r1/work/ppx_fields_conv-0.9.0'