<<< packages_pkgcheck_scan >>>
    DistutilsNonPEP517Build: version 2.3.1: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=...
    DistutilsNonPEP517Build: version 9999: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=...
<<< open bugs >>>
  https://bugs.gentoo.org/682136 dev-java/ant-core-1.10.5-r1_with_dev-java/java-config-2.2.0-r4_and_dev-java/openjdk-11.0.2_p7_-_Warning:_Unable_to_determine_tools.jar_location.
  https://bugs.gentoo.org/777372 dev-java/java-config:_manpage_should_describe_the_&quot;-J&quot;_(upper_case)_option
  https://bugs.gentoo.org/830860 dev-java/java-config_uses_EPREFIX_and_ROOT_environmental_variables
  https://bugs.gentoo.org/865393 &gt;=dev-java/ant-1.10_(or_dev-java/java-config?):_Suppress_'unable_to_determine_tools.jar_location'_warning
  https://bugs.gentoo.org/156231 virtual/jre_in_DEPEND_affects_the_behaviour_of_depend-java-query_from_dev-java/java-config
  https://bugs.gentoo.org/340321 dev-java/java-config-2.1.11:_VersionManager.package_parser_parses_atoms_incorrectly
  https://bugs.gentoo.org/353895 &gt;=dev-java/java-config-2.1.11_tries_to_use_a_JRE_for_building_when_set_as_system_vm
  https://bugs.gentoo.org/361935 dev-java/java-config_gjl_fails_when_SIGCHLD_ignored
  https://bugs.gentoo.org/544836 dev-java/java-config-2.2.0:_expand_&#64;GENTOO_PORTAGE_EPREFIX&#64;_in_shebang_line
  https://bugs.gentoo.org/557946 dev-java/java-config:_&quot;java-config_-r&quot;_listing_jar_files_that_are_not_present?
  https://bugs.gentoo.org/573044 dev-java/java-config-2.2.0_uses_invalid_anchor_in_URL
  https://bugs.gentoo.org/785820 dev-java/java-config:_depend-java-query_-_if_invalid_jdk_specification_is_used_(virtual/jdk:*)_then_the_error_should_say_that_version_must_be_specified