--- /dev/null
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+VERSION="AdoptOpenJDK ${PV}"
+JAVA_HOME="${EPREFIX}/opt/${P}"
+JDK_HOME="${EPREFIX}/opt/${P}"
+JAVAC="\${JAVA_HOME}/bin/javac"
+PATH="\${JAVA_HOME}/bin"
+ROOTPATH="\${JAVA_HOME}/bin"
+LDPATH="\${JAVA_HOME}/lib/:\${JAVA_HOME}/lib/server/"
+MANPATH=""
+PROVIDES_TYPE="JDK JRE"
+PROVIDES_VERSION="${SLOT}"
+BOOTCLASSPATH=""
+GENERATION="2"
+ENV_VARS="JAVA_HOME JDK_HOME JAVAC PATH ROOTPATH LDPATH MANPATH"
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+ <maintainer type="project">
+ <email>java@gentoo.org</email>
+ <name>Java</name>
+ </maintainer>
+ <longdescription>Java™ is the world's leading programming language and platform. The code for Java is open source and available at OpenJDK™. AdoptOpenJDK provides prebuilt OpenJDK binaries from a fully open source set of build scripts and infrastructure.</longdescription>
+ <use>
+ <flag name="headless-awt">Don't install the X backend for AWT, needed by some GUIs (used to be X flag)</flag>
+ <flag name="gentoo-vm">Allow this JDK to be recognised by Gentoo (package manager, eselect, java-config, EXPERIMENTAL!)</flag>
+ <flag name="source">Install JVM sources</flag>
+ <flag name="webstart">Provide javaws command through symlink to icedtea-web</flag>
+ </use>
+</pkgmetadata>
--- /dev/null
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit java-vm-2
+
+abi_uri() {
+ echo "${2-$1}? (
+ https://github.com/AdoptOpenJDK/openjdk${SLOT}-binaries/releases/download/jdk-${MY_PV}/OpenJDK${SLOT}-jdk_${1}_linux_hotspot_${PV//./_}.tar.gz
+ )"
+}
+
+SLOT=${PV%%.*}
+MY_PV=${PV/./+}
+
+SRC_URI="
+ $(abi_uri x64 amd64)
+ $(abi_uri aarch64 arm64)
+ $(abi_uri ppc64le ppc64)
+"
+
+DESCRIPTION="Prebuilt Java JDK binaries provided by AdoptOpenJDK"
+HOMEPAGE="https://adoptopenjdk.net"
+LICENSE="GPL-2-with-classpath-exception"
+KEYWORDS="~amd64 ~arm64 ~ppc64"
+IUSE="alsa cups doc examples +gentoo-vm headless-awt nsplugin selinux source +webstart"
+RESTRICT="preserve-libs"
+QA_PREBUILT="*"
+
+RDEPEND="
+ media-libs/fontconfig:1.0
+ media-libs/freetype:2
+ >=sys-libs/glibc-2.2.5:*
+ sys-libs/zlib
+ alsa? ( media-libs/alsa-lib )
+ cups? ( net-print/cups )
+ doc? ( dev-java/java-sdk-docs:${SLOT} )
+ selinux? ( sec-policy/selinux-java )
+ !headless-awt? (
+ x11-libs/libX11
+ x11-libs/libXext
+ x11-libs/libXi
+ x11-libs/libXrender
+ x11-libs/libXtst
+ )"
+
+PDEPEND="webstart? ( >=dev-java/icedtea-web-1.6.1:0 )
+ nsplugin? ( >=dev-java/icedtea-web-1.6.1:0[nsplugin] )"
+
+S="${WORKDIR}/jdk-${MY_PV}"
+
+src_install() {
+ local dest="/opt/${P}"
+ local ddest="${ED}${dest#/}"
+
+ # Not sure why they bundle this as it's commonly available and they
+ # only do so on x86_64. It's needed by libfontmanager.so. IcedTea
+ # also has an explicit dependency while Oracle seemingly dlopens it.
+ rm -vf lib/libfreetype.so || die
+
+ # Oracle and IcedTea have libjsoundalsa.so depending on
+ # libasound.so.2 but AdoptOpenJDK only has libjsound.so. Weird.
+ if ! use alsa ; then
+ rm -v lib/libjsound.* || die
+ fi
+
+ if ! use examples ; then
+ rm -vr demo/ || die
+ fi
+
+ if use headless-awt ; then
+ rm -v lib/lib*{[jx]awt,splashscreen}* || die
+ fi
+
+ if ! use source ; then
+ rm -v lib/src.zip || die
+ fi
+
+ dodir "${dest}"
+ cp -pPR * "${ddest}" || die
+
+ use gentoo-vm && java-vm_install-env "${FILESDIR}"/${PN}-${SLOT}.env.sh
+ java-vm_set-pax-markings "${ddest}"
+ java-vm_revdep-mask
+ java-vm_sandbox-predict /dev/random /proc/self/coredump_filter
+}
+
+pkg_postinst() {
+ java-vm-2_pkg_postinst
+
+ if use gentoo-vm ; then
+ ewarn "WARNING! You have enabled the gentoo-vm USE flag, making this JDK"
+ ewarn "recognised by the system. This will almost certainly break things."
+ else
+ ewarn "The experimental gentoo-vm USE flag has not been enabled so this JDK"
+ ewarn "will not be recognised by the system. For example, simply calling"
+ ewarn "\"java\" will launch a different JVM. This is necessary until Gentoo"
+ ewarn "fully supports Java 11. This JDK must therefore be invoked using its"
+ ewarn "absolute location under ${EPREFIX}/opt/${P}."
+ fi
+}