--------->
output of emerge --info
--------->
Portage 2.3.62 (python 3.6.5-final-0, default/linux/amd64/17.0/desktop, gcc-8.2.0, glibc-2.28-r6, 4.19.27-gentoo-r1_2019-03-12 x86_64)
=================================================================
System uname: Linux-4.19.27-gentoo-r1_2019-03-12-x86_64-AMD_Athlon-tm-_64_X2_Dual_Core_Processor_6000+-with-gentoo-2.6
KiB Mem:     2938052 total,   1749584 free
KiB Swap:   16777212 total,  16570436 free
Timestamp of repository gentoo: Mon, 22 Apr 2019 18:30:01 +0000
Head commit of repository gentoo: 43ec94a2e8bfd95d2562b970b8cbfaa5e175ba50
Head commit of repository brother-overlay: 15e7feba59713be9cc0547ca20f6ff7872a2837e

sh bash 4.4_p23-r1
ld GNU ld (Gentoo 2.30 p5) 2.30.0
app-shells/bash:          4.4_p23-r1::gentoo
dev-java/java-config:     2.2.0-r4::gentoo
dev-lang/perl:            5.26.2::gentoo
dev-lang/python:          2.7.15::gentoo, 3.6.5::gentoo
dev-util/cmake:           3.9.6::gentoo
dev-util/pkgconfig:       0.29.2::gentoo
sys-apps/baselayout:      2.6-r1::gentoo
sys-apps/openrc:          0.38.3-r1::gentoo
sys-apps/sandbox:         2.13::gentoo
sys-devel/autoconf:       2.13-r1::gentoo, 2.69-r4::gentoo
sys-devel/automake:       1.16.1-r1::gentoo
sys-devel/binutils:       2.30-r4::gentoo, 2.31.1-r4::gentoo
sys-devel/gcc:            8.2.0-r6::gentoo
sys-devel/gcc-config:     2.0::gentoo
sys-devel/libtool:        2.4.6-r3::gentoo
sys-devel/make:           4.2.1-r4::gentoo
sys-kernel/linux-headers: 4.14-r1::gentoo (virtual/os-headers)
sys-libs/glibc:           2.28-r6::gentoo
Repositories:

gentoo
    location: /usr/portage
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000
    sync-rsync-verify-max-age: 24
    sync-rsync-extra-opts:
    sync-rsync-verify-metamanifest: yes
    sync-rsync-verify-jobs: 1

brother-overlay
    location: /usr/local/overlay/brother-overlay
    sync-type: git
    sync-uri: https://github.com/stefan-langenmaier/brother-overlay.git
    masters: gentoo

ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="* -@EULA Vivaldi"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /var/bind"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php7.2/ext-active/ /etc/php/cgi-php7.2/ext-active/ /etc/php/cli-php7.2/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-march=native -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
ENV_UNSET="DBUS_SESSION_BUS_ADDRESS DISPLAY GOBIN PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned sandbox sfperms split-log strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="ftp://ftp.ussg.iu.edu/pub/linux/gentoo http://lug.mtu.edu/gentoo/ ftp://lug.mtu.edu/gentoo/ ftp://mirrors.rit.edu/gentoo/ ftp://mirror.iawnet.sandia.gov/pub/gentoo/"
LANG="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
USE="X a52 aac acl acpi alsa amd64 bash-completion berkdb bluetooth branding bzip2 cairo cdda cdr cli consolekit crypt cscope cups cxx dbus dri dts dvd dvdr emboss encode exif fam flac fortran gdbm gif glamor gpm gtk hddtemp iconv ipv6 jpeg lcms ldap libgda libnotify libtirpc lm-sensors mad mng mp3 mp4 mpeg multilib ncurses nls nptl objc ogg opengl openmp pam pango pcre pdf perl php png policykit postscript ppds python qt5 raw readline ruby samba sdl seccomp sockets sound spell sqlite ssl startup-notification svg symlink syslog tcpd tiff tokenizer truetype udev udisks unicode upower usb vorbis wxwidgets x264 xattr xcb xml xv xvid zlib" ABI_X86="64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="3dnow 3dnowext mmx mmxext sse sse2 sse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="libinput keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" NETBEANS_MODULES="apisupport cnd groovy gsf harness ide identity j2ee java mobility nb php profiler soa visualweb webcommon websvccommon xml" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-6 php7-1" POSTGRES_TARGETS="postgres9_5 postgres10" PYTHON_SINGLE_TARGET="python3_6" PYTHON_TARGETS="python2_7 python3_6" RUBY_TARGETS="ruby24" USERLAND="GNU" VIDEO_CARDS="radeon" XFCE_PLUGINS="brightness clock trash" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CC, CPPFLAGS, CTARGET, CXX, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, LINGUAS, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS


--------->
output of emerge -pqv =dev-java/xerces-2.11.0-r2
--------->
[ebuild  N    ] dev-java/xerces-2.11.0-r2  USE="-doc -examples -source"

--------->
file /var/tmp/portage/dev-java/xerces-2.11.0-r2/temp/build.log:
--------->
 * Package:    dev-java/xerces-2.11.0-r2
 * Repository: gentoo
 * Maintainer: java@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
 * Using: oracle-jdk-bin-1.8
>>> Unpacking source...
>>> Unpacking Xerces-J-src.2.11.0.tar.gz to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work
>>> Source unpacked in /var/tmp/portage/dev-java/xerces-2.11.0-r2/work
>>> Preparing source in /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0 ...
 * Applying xerces-2.11.0-build.xml.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0 ...
Rewriting attributes
Rewriting ./build.xml
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0 ...
 * Using following ANT_TASKS:  xjavac-1
Buildfile: /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build.xml

init:
     [echo] ---------------- Xerces-J 2.11.0 [1999-2010] ---------------

prepare:
    [mkdir] Created dir: /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build

prepare-common:
    [mkdir] Created dir: /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src
    [mkdir] Created dir: /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/classes
    [mkdir] Created dir: /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/classes/META-INF
    [mkdir] Created dir: /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/classes/META-INF/services
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/classes/META-INF/services
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/classes/META-INF/services
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/classes/META-INF/services
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/classes/META-INF/services
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/classes/META-INF/services
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/classes/META-INF/services

prepare-src:
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/classes/META-INF/services
     [copy] Copying 733 files to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/xerces/impl/msg
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/xerces/impl/msg
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/xerces/impl/msg
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/xerces/impl/msg
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/xerces/impl/msg
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/xerces/impl/msg
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/xerces/impl/msg
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/xerces/impl/msg
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/xerces/impl/msg
     [copy] Copying 1 file to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/xerces/impl/xpath/regex

compile:
     [copy] Copying 23 files to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/classes
   [xjavac] Compiling 707 source files to /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/classes
   [xjavac] /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/html/dom/HTMLFrameElementImpl.java:28: error: HTMLFrameElementImpl is not abstract and does not override abstract method getContentDocument() in HTMLFrameElement
   [xjavac] public class HTMLFrameElementImpl
   [xjavac]        ^
   [xjavac] /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/html/dom/HTMLIFrameElementImpl.java:28: error: HTMLIFrameElementImpl is not abstract and does not override abstract method getContentDocument() in HTMLIFrameElement
   [xjavac] public class HTMLIFrameElementImpl
   [xjavac]        ^
   [xjavac] /var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build/src/org/apache/html/dom/HTMLObjectElementImpl.java:28: error: HTMLObjectElementImpl is not abstract and does not override abstract method getContentDocument() in HTMLObjectElement
   [xjavac] public class HTMLObjectElementImpl
   [xjavac]        ^
   [xjavac] Note: Some input files use or override a deprecated API.
   [xjavac] Note: Recompile with -Xlint:deprecation for details.
   [xjavac] Note: Some input files use unchecked or unsafe operations.
   [xjavac] Note: Recompile with -Xlint:unchecked for details.
   [xjavac] 3 errors

BUILD FAILED
/var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0/build.xml:203: Compile failed; see the compiler error output for details.

Total time: 13 seconds
 * ERROR: dev-java/xerces-2.11.0-r2::gentoo failed (compile phase):
 *   eant failed
 *
 * Call stack:
 *     ebuild.sh, line  124:  Called src_compile
 *   environment, line 3910:  Called java-pkg-2_src_compile
 *   environment, line 1787:  Called eant 'jar' '-f' 'build.xml' '-Dadditional.param='
 *   environment, line  615:  Called die
 * The specific snippet of code:
 *       ant ${antflags} "${@}" || die "eant failed"
 *
 * If you need support, post the output of `emerge --info '=dev-java/xerces-2.11.0-r2::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-java/xerces-2.11.0-r2::gentoo'`.
!!! When you file a bug report, please include the following information:
GENTOO_VM=oracle-jdk-bin-1.8  CLASSPATH="" JAVA_HOME="/opt/oracle-jdk-bin-1.8.0.202"
JAVACFLAGS="-source 1.6 -target 1.6" COMPILER="javac"
and of course, the output of emerge --info =xerces-2.11.0
 * The complete build log is located at '/var/log/portage/build/dev-java/xerces-2.11.0-r2:20190423-142152.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-java/xerces-2.11.0-r2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-java/xerces-2.11.0-r2/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0'
 * S: '/var/tmp/portage/dev-java/xerces-2.11.0-r2/work/xerces-2_11_0'