[gentoo-commits] repo/gentoo:master commit in: dev-java/openjdk/

["Georgy Yakovlev" <gyakovlev@gentoo.org>]

commit:     fdefffba18e090ddb67c8cb52bc2cc48da8db8d7
Author:     Georgy Yakovlev <gyakovlev <AT> gentoo <DOT> org>
AuthorDate: Fri Oct 25 18:22:51 2019 +0000
Commit:     Georgy Yakovlev <gyakovlev <AT> gentoo <DOT> org>
CommitDate: Fri Oct 25 18:42:21 2019 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=fdefffba

dev-java/openjdk: bump to 8.232_p09

Closes: https://bugs.gentoo.org/698404
Package-Manager: Portage-2.3.78, Repoman-2.3.17
Signed-off-by: Georgy Yakovlev <gyakovlev <AT> gentoo.org>

 dev-java/openjdk/Manifest                 |   8 +
 dev-java/openjdk/openjdk-8.232_p09.ebuild | 255 ++++++++++++++++++++++++++++++
 2 files changed, 263 insertions(+)

diff --git a/dev-java/openjdk/Manifest b/dev-java/openjdk/Manifest
index bfa3dccf9ef..477567bf0d3 100644
--- a/dev-java/openjdk/Manifest
+++ b/dev-java/openjdk/Manifest
@@ -3,17 +3,25 @@ DIST jdk-11.0.4+11.tar.bz2 90420043 BLAKE2B 28e7ea146a14ed4629a42c69721a9d53a1c7
 DIST jdk-11.0.5+10.tar.bz2 90613232 BLAKE2B 0a3cba851ac967d84f97ae1e7972d3ab593dbc76fb20664c4e7950380ad91acee7e263a2989930b45346cd170da71c500db9d8a0a6ac88982d77607089b95513 SHA512 0d52c78e217b79756be0fc6b3f9204bae254ec7b9ae10b6c3114463a9c028143807f4422711f0c02b81a034ae6e88fa2efc6bed85022720807344230a8aa12a6
 DIST openjdk-8.212_p03.tar.bz2 451800 BLAKE2B f8466a0d99650a07e3ff21e8dc06252ef9d31ce15e22c6ede15fc4c7b1633820e84e67aa501e816101c6bd473293fb897645b2df1530d8f7b81c6e8e6d38ce3a SHA512 ccc642da05aa00cfcc46c1eb759391dd2242218b7392bced77481600aa15b3b1d0a0c03380f59b6a6d038311721f249de1a6b116c6f651193cfb57b89fba4866
 DIST openjdk-8.222_p10.tar.bz2 452194 BLAKE2B aa5a19245e9b5f79da217ef4e8ff87acaf6b4c7b930a6cd1c7a00d2c6d50bb3168c41da1b18e8beb072a84bca7f3956e939edd9f5fd88899d2cc3fe754ff19f8 SHA512 08f92327732fb54df847fe0b3e49460bcdd25fe2aef7bc9545d75ab6504ab92452f8f5daede6040d28fd9b8347f49d658dc7bf88abc90235d6cf4a72cb44fbba
+DIST openjdk-8.232_p09.tar.bz2 453185 BLAKE2B 9f78dc3a482f42937c9f4ed30492cf8348c903c6a419a7f2644251f853f92e2e112f72c16848adcc7102f41e8f1249e35d7019bf0b5c5fd823e4f068650f36fd SHA512 31fbaf8334b3a40f491ae87aeec5698ebac334b8425147b8f8fa1a397e64f5bf7025d22dd5ecf7c7029c07ca40424f07ae139aa5d9737b20a6eeec2e9a1d835d
 DIST openjdk-corba-8.212_p03.tar.bz2 1033709 BLAKE2B f59b294e62425b63e881ed5534ae9beb3cc51351ff197995503671ec52ad82e34e145f8c9790dc88e4f452b4e09af80143fd0f7e0fda588b00eed08d4b2bc861 SHA512 3a786a372ab6b849a6ccd944cdfdc0aa9994a6a9f4d52afccad7d6b187e46a1fd0be30bde3da1eb03988034c36b4590b55379819245fb6f5ed4d75a958e9caa3
 DIST openjdk-corba-8.222_p10.tar.bz2 1033549 BLAKE2B c75f100dc22535068588afe0460618005c46542cbe078e4e35ad80741d61012422eb21826a6ddcfc3b59fdde3bc7e6107a57cfc654114255b1d880273f54a762 SHA512 377847ae044d1e4515c6c7afaf965e037e6688ab010a24d436a5b31c251f2c09a8e622863d533b8b71625284bb5db93f114ba12ec05c731f0dc75d9dce70ec17
+DIST openjdk-corba-8.232_p09.tar.bz2 1033216 BLAKE2B ed6416fd49aa6d00804d90a40a7a3435828dc92087695eebf3426c49e5ccbd2f1a2cf63ee879a9e9da82c8ad050d38618e384defc185d44279025e5cf4326ae9 SHA512 97401d01727090f29e90735095634149a59093374c19f0611237de105ff1c87d7f0712efd6627cae57d6415f336c5750a7777abd1b30068ec57f88f78e23fbbc
 DIST openjdk-hotspot-8.212_p03.tar.bz2 7925246 BLAKE2B b405362450186d50228ddaf78907a98365c34d5e09a95064dc39bbc88328d1bf37e23791322fb68a44d90753cd68139627d235852dd1e03ad2b0535982badeaf SHA512 e8c8f9151c94bd821fa6810a0c70ed2749e0c39f66108deccc68718f106eb1731c91b13fb502c4a4be425ee04ecd909937247efb5891aac1ca27ee16d7bbf290
 DIST openjdk-hotspot-8.222_p10.tar.bz2 7937298 BLAKE2B 42a74946b0ff88f1d910751af7efbe86aefc92b9039a4629445ba08255e4a9159a592e778acb8dce557b58324ce023360d9ed892568486a11336e8a09f8e6664 SHA512 20395d55201f072fcb5a7674ee1a2e3fb7a922e03ed4630645d4f22a5ec94c945978f7dfa6d06c28d0f8e9e4025f50986e8eba573fd44bc675ff7978e25723b3
+DIST openjdk-hotspot-8.232_p09.tar.bz2 7951090 BLAKE2B 58f79b5612ae003fb3b7d89c4ce6243bf4a188c0d43ee60f56e77e3fc62b265571bbed7129aecb46c4c5f714f839f685fe2346bf239b8738c02afaeb129b3894 SHA512 26b0e5948dfa769c7f7974899d95ee372d836aab094ac13e12c904844ff414b6ac27ff1baa7f905b6c6bd4f3b4c3aad6952bcc08f85c9815b07375379d2100a5
 DIST openjdk-jaxp-8.212_p03.tar.bz2 2734510 BLAKE2B fa920514fd499019a8f3d03edf895c11b3d67617b645444025cc5406216fed0ecb9340a08b8e314c43d0ced0ffbc1e3940f7c719930d5e4cdf9b24653d6249f8 SHA512 200516ef92b9fd50b4e7814b2f5f62c344b4654c8c836e0166c9e3669992d2fe231d3e262bc9be54d8793d6c4a3d6bdee5c93a6b6a3b6481d6a234f26dfb2a32
 DIST openjdk-jaxp-8.222_p10.tar.bz2 2735189 BLAKE2B c4ab593edfc914e30bebcfbf0d5c68b64711005a2a027f165eba8b1583e673d74d0cbec582e6d1d65de06ffcf189dbdb66f2b1eb224f127a1908cd6c154c418c SHA512 e45facbaabb803191d86b477f88eb8d8960ee224bc5d6bd4fc19688e097c9d5aafc00597ff38bdaae5403ff330c3188867bc94cd3fb7bf6394b770f1fb0711b7
+DIST openjdk-jaxp-8.232_p09.tar.bz2 2736383 BLAKE2B 13a62acfc577c66cfb975684794dda18a6e1b90a7a32167ea914f646592ee973e7d57c415cf23d5069748f03f2fedb0e14482ea070aca39dde31f01ff745e36c SHA512 725e9220da0f861cee61e81ee33ec7c1ca1edfded7c8bbe407c14d0e2e6a2c980ec1e28a578c825841f4622dab408e578412a39556642e2208f78c679b78f01e
 DIST openjdk-jaxws-8.212_p03.tar.bz2 2540937 BLAKE2B 53c2793d9071f408a3704dacc4d61ac8f1b8ead33e75d309f217a05514661f14656711d017bcdde5821e114c5010d4417ac283571c2a52c28885d6736468402e SHA512 3e336e8cab78636b82488b7da183ba4ba2b84c0a2cb72a369c4352aaeb0fa5da05660c830db12a486e1cdfbc7a88a748d88284ca86c45b890a40dc1d23f3915a
 DIST openjdk-jaxws-8.222_p10.tar.bz2 2542293 BLAKE2B 832cf1b98c2cfcc55591d004c7c9f3055412a71632c671cb7343af74ff25645f68d27b298d6ae74a346c0be97470e79c0aca152e3ef702b9e88385ddbfa324f7 SHA512 560bfea42b6e7981e19d974e71382f8ad74729a2fb76974adeb592accaf58c2715ec096f3347ce56a7403c38db4dbca8892eced67eb851f16eb4cc43a1152f1c
+DIST openjdk-jaxws-8.232_p09.tar.bz2 2542463 BLAKE2B 3424528dbe22904f0355806f201dd54f0a777a983c09fdc80834fc302f41f68c75df271b24c557208c5f945fd8d8882259d9dbff3fed0e98113ef980b982516d SHA512 85d9708e231ba18f37c9844b23a13c59a78daed0a92a42b8bc167059b1aa67c25e74e6a9d980050777d8f600fe07298e0ce15fdc9621f6a469ec0dd996157e4c
 DIST openjdk-jdk-8.212_p03.tar.bz2 46720739 BLAKE2B af515701052ede8b6cf828cc74f1f5938dad0874a12ed3c5c3f7b03be1f43108fce5e1820452a87e098c3469922227950f6f4fea33306f7b426487b48cc4b993 SHA512 9b3342419c82a8f243d2a7523d83b395c89629820fd99ba387991656e5754ed067877bf12b7e780368dd4bdb6eba10be09e63b1301bcbc0aa29e86e84ec394a3
 DIST openjdk-jdk-8.222_p10.tar.bz2 47175873 BLAKE2B 47b330aa1d78607b42df650629bd88dbde7a8caff2bf6938d75a9d8ec9726b5d32cc5852bb0d877eedeecccee8e2673328697bf104b7380c275e85b9a57a1274 SHA512 d6229f4e86ee0e5798b60143454f39e8de79edc596bf89f6dc7aaf2ec73fe22631f974c2d43e832a255ed2e51e32877926874d1911c3561f9077ea28093bf057
+DIST openjdk-jdk-8.232_p09.tar.bz2 47141486 BLAKE2B d0003de4b47cf397ad9c56f08f579752fa54c1e324b4382d92132af47439ad8052a7b8e80447736411e2d870da6eda15472c4ab34820fa49172f5d57974888f0 SHA512 dfa0f1e1eea73eb13adef212f8dd949f1b30d4d60f4977a595c50bdc5b5741a2d8a2550ca31a300aa632b4aa719d5c093bd36e23100b9ce7f446aebc2f9651ad
 DIST openjdk-langtools-8.212_p03.tar.bz2 2393112 BLAKE2B 96656795114bad1d2e5eabace5d1c6568646084421fbaa43045ce0ec8d222f1a7e8629e4b86bdd5ff8eb51e90ea1eaafab3e94f34c41932754249f17b2e447f8 SHA512 15b931432cb14cf60c73627bd70e66f6d18ff25763a7b8758109cf8746d278d6c2b5d945a9f0b948a76c0813b5f42c988a3d10ac13165ec12e0f4d9eab98f369
 DIST openjdk-langtools-8.222_p10.tar.bz2 2394871 BLAKE2B 376dd5d5cd86704b7cf6d02e8a117ce0d36f43316cc9000bee3f3f1fc7568e080c039e9adc40b6fb78720e2aa8ac921c638e20be1766e2252b29329bd17d28b8 SHA512 79a1db1c8afd5d6834ae5e565929eeb7567bc4ff3fa823789f6f170fb21e0df71d965595f4fb53efb6c5af1c1b4c7c8e2edc91e60178b57a8957935968f480c9
+DIST openjdk-langtools-8.232_p09.tar.bz2 2397864 BLAKE2B 7351a50bf5d425bec9343787c463823f24115f62d1ec8cc7f98cd8c474708415a2b9f96ca5a8f8aee6350a0a0e208d3eee117bbb778b7f3a985e994dd97139a8 SHA512 f34035d1d892e686a11c1f88b84633cc2c68bb5924ea9b278eabd6dafc86e4b2695eeed854ee2c6c96082e16acf1ceb33b7f273e44a790fe8823564690335c43
 DIST openjdk-nashorn-8.212_p03.tar.bz2 2854888 BLAKE2B 3e5a1867d8a5db301fb3512ebdc4dea8f8226fe3308142d6f3f616795c9cee0d598a257ccd7e790ec440c966339399776d1118764dbf882a46a2daa32d81ddd5 SHA512 5c7fba1d567aa1d0602ef045b24a8624fed9ced72b3bae030ee15ea133ed2223e402cc08c996ff253c4792570da87b7713f351c84704b12556466349f6452f74
 DIST openjdk-nashorn-8.222_p10.tar.bz2 2859130 BLAKE2B d43b2e05dea1f97eff9e6d81ac0a6c8bfbe8cd444ff23df4b7d2fec29b678386893c169742a80fca6f0a785189796d2a6f29c10011a835cf5ac9e74001ae2b72 SHA512 453cefcd3f34cf6fca9bb14176145c9e4620e4188461b49049e5363cd62d87cc4f7703356369677dcd1e4862de0b5c16d1c505d66317944226a590af56026ac4
+DIST openjdk-nashorn-8.232_p09.tar.bz2 2858464 BLAKE2B a75eb94f81c4d94bb5df6a0799ce447a5a382753a95579ff0dc20e171233a84737067edd120412b14ffc93e82290998a2e8c4de6407888e7bae1f4d226034c38 SHA512 6e5d12b75735b1c51048b0e90e7d977766ae4711bccf139714e19f773e2cf6532d36492168ef6ccf797f86cb11b22b0bbfbb53d9399265a58b08ece702e96a3b

diff --git a/dev-java/openjdk/openjdk-8.232_p09.ebuild b/dev-java/openjdk/openjdk-8.232_p09.ebuild
new file mode 100644
index 00000000000..2bb661e689e
--- /dev/null
+++ b/dev-java/openjdk/openjdk-8.232_p09.ebuild
@@ -0,0 +1,255 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit check-reqs eapi7-ver flag-o-matic java-pkg-2 java-vm-2 multiprocessing pax-utils toolchain-funcs
+
+MY_PV=$(ver_rs 1 'u' 2 '-' ${PV//p/b})
+
+BASE_URI="https://hg.${PN}.java.net/jdk8u/jdk8u"
+
+DESCRIPTION="Open source implementation of the Java programming language"
+HOMEPAGE="https://openjdk.java.net"
+SRC_URI="
+	${BASE_URI}/archive/jdk${MY_PV}.tar.bz2 -> ${P}.tar.bz2
+	${BASE_URI}/corba/archive/jdk${MY_PV}.tar.bz2 -> ${PN}-corba-${PV}.tar.bz2
+	${BASE_URI}/hotspot/archive/jdk${MY_PV}.tar.bz2 -> ${PN}-hotspot-${PV}.tar.bz2
+	${BASE_URI}/jaxp/archive/jdk${MY_PV}.tar.bz2 -> ${PN}-jaxp-${PV}.tar.bz2
+	${BASE_URI}/jaxws/archive/jdk${MY_PV}.tar.bz2 -> ${PN}-jaxws-${PV}.tar.bz2
+	${BASE_URI}/jdk/archive/jdk${MY_PV}.tar.bz2 -> ${PN}-jdk-${PV}.tar.bz2
+	${BASE_URI}/langtools/archive/jdk${MY_PV}.tar.bz2 -> ${PN}-langtools-${PV}.tar.bz2
+	${BASE_URI}/nashorn/archive/jdk${MY_PV}.tar.bz2 -> ${PN}-nashorn-${PV}.tar.bz2
+"
+
+LICENSE="GPL-2"
+SLOT="$(ver_cut 1)"
+KEYWORDS="~amd64 ~ppc64 ~x86"
+IUSE="alsa debug cups doc examples gentoo-vm headless-awt +jbootstrap nsplugin +pch selinux source +webstart"
+
+COMMON_DEPEND="
+	media-libs/freetype:2=
+	media-libs/giflib:0/7
+	sys-libs/zlib
+"
+# Many libs are required to build, but not to run, make is possible to remove
+# by listing conditionally in RDEPEND unconditionally in DEPEND
+RDEPEND="
+	${COMMON_DEPEND}
+	>=sys-apps/baselayout-java-0.1.0-r1
+	!headless-awt? (
+		x11-libs/libX11
+		x11-libs/libXext
+		x11-libs/libXi
+		x11-libs/libXrender
+		x11-libs/libXt
+		x11-libs/libXtst
+	)
+	alsa? ( media-libs/alsa-lib )
+	cups? ( net-print/cups )
+	selinux? ( sec-policy/selinux-java )
+"
+
+DEPEND="
+	${COMMON_DEPEND}
+	app-arch/zip
+	media-libs/alsa-lib
+	net-print/cups
+	x11-base/xorg-proto
+	x11-libs/libX11
+	x11-libs/libXext
+	x11-libs/libXi
+	x11-libs/libXrender
+	x11-libs/libXt
+	x11-libs/libXtst
+	|| (
+		dev-java/openjdk-bin:${SLOT}
+		dev-java/icedtea-bin:${SLOT}
+		dev-java/openjdk:${SLOT}
+		dev-java/icedtea:${SLOT}
+	)
+"
+
+PDEPEND="
+	webstart? ( >=dev-java/icedtea-web-1.6.1:0 )
+	nsplugin? ( >=dev-java/icedtea-web-1.6.1:0[nsplugin] )
+"
+
+S="${WORKDIR}/jdk${SLOT}u-jdk${MY_PV}"
+
+# The space required to build varies wildly depending on USE flags,
+# ranging from 2GB to 16GB. This function is certainly not exact but
+# should be close enough to be useful.
+openjdk_check_requirements() {
+	local M
+	M=2048
+	M=$(( $(usex debug 3 1) * $M ))
+	M=$(( $(usex jbootstrap 2 1) * $M ))
+	M=$(( $(usex doc 320 0) + $(usex source 128 0) + 192 + $M ))
+
+	CHECKREQS_DISK_BUILD=${M}M check-reqs_pkg_${EBUILD_PHASE}
+}
+
+pkg_pretend() {
+	openjdk_check_requirements
+	has ccache ${FEATURES} && die "FEATURES=ccache doesn't work with ${PN}"
+}
+
+pkg_setup() {
+	openjdk_check_requirements
+	java-vm-2_pkg_setup
+
+	JAVA_PKG_WANT_BUILD_VM="openjdk-${SLOT} openjdk-bin-${SLOT} icedtea-${SLOT} icedtea-bin-${SLOT}"
+	JAVA_PKG_WANT_SOURCE="${SLOT}"
+	JAVA_PKG_WANT_TARGET="${SLOT}"
+
+	# The nastiness below is necessary while the gentoo-vm USE flag is
+	# masked. First we call java-pkg-2_pkg_setup if it looks like the
+	# flag was unmasked against one of the possible build VMs. If not,
+	# we try finding one of them in their expected locations. This would
+	# have been slightly less messy if openjdk-bin had been installed to
+	# /opt/${PN}-${SLOT} or if there was a mechanism to install a VM env
+	# file but disable it so that it would not normally be selectable.
+
+	local vm
+	for vm in ${JAVA_PKG_WANT_BUILD_VM}; do
+		if [[ -d ${EPREFIX}/usr/lib/jvm/${vm} ]]; then
+			java-pkg-2_pkg_setup
+			return
+		fi
+	done
+
+	if has_version --host-root dev-java/openjdk:${SLOT}; then
+		export JDK_HOME=${EPREFIX}/usr/$(get_libdir)/openjdk-${SLOT}
+	else
+		if [[ ${MERGE_TYPE} != "binary" ]]; then
+			JDK_HOME=$(best_version --host-root dev-java/openjdk-bin:${SLOT})
+			[[ -n ${JDK_HOME} ]] || die "Build VM not found!"
+			JDK_HOME=${JDK_HOME#*/}
+			JDK_HOME=${EPREFIX}/opt/${JDK_HOME%-r*}
+			export JDK_HOME
+		fi
+	fi
+}
+
+src_prepare() {
+	default
+	chmod +x configure || die
+	local repo
+	for repo in corba hotspot jdk jaxp jaxws langtools nashorn; do
+		ln -s ../"${repo}-jdk${MY_PV}" "${repo}" || die
+	done
+	# new warnings in new gcc https://bugs.gentoo.org/685426
+	sed -i '/^WARNINGS_ARE_ERRORS/ s/-Werror/-Wno-error/' \
+		hotspot/make/linux/makefiles/gcc.make || die
+}
+
+src_configure() {
+	# general build info found here:
+	#https://hg.openjdk.java.net/jdk8/jdk8/raw-file/tip/README-builds.html
+
+	# Work around stack alignment issue, bug #647954.
+	use x86 && append-flags -mincoming-stack-boundary=2
+
+	local myconf=(
+			--disable-ccache
+			--enable-unlimited-crypto
+			--with-boot-jdk="${JDK_HOME}"
+			--with-extra-cflags="${CFLAGS}"
+			--with-extra-cxxflags="${CXXFLAGS}"
+			--with-extra-ldflags="${LDFLAGS}"
+			--with-giflib=system
+			--with-jtreg=no
+			--with-jobs=1
+			--with-num-cores=1
+			--with-update-version="$(ver_cut 2)"
+			--with-build-number="b$(ver_cut 4)"
+			--with-milestone="fcs" # magic variable that means "release version"
+			--with-vendor-name="Gentoo"
+			--with-vendor-url="https://gentoo.org"
+			--with-vendor-bug-url="https://bugs.gentoo.org"
+			--with-vendor-vm-bug-url="https://bugs.openjdk.java.net"
+			--with-zlib=system
+			--with-native-debug-symbols=$(usex debug internal none)
+			$(usex headless-awt --disable-headful '')
+		)
+
+	# PaX breaks pch, bug #601016
+	if use pch && ! host-is-pax; then
+		myconf+=( --enable-precompiled-headers )
+	else
+		myconf+=( --disable-precompiled-headers )
+	fi
+
+	(
+		unset _JAVA_OPTIONS JAVA JAVA_TOOL_OPTIONS JAVAC XARGS
+		CFLAGS= CXXFLAGS= LDFLAGS= \
+		CONFIG_SITE=/dev/null \
+		econf "${myconf[@]}"
+	)
+}
+
+src_compile() {
+	local myemakeargs=(
+		JOBS=$(makeopts_jobs)
+		LOG=debug
+		$(usex doc docs '')
+		$(usex jbootstrap bootcycle-images images)
+	)
+	emake "${myemakeargs[@]}" -j1 #nowarn
+}
+
+src_install() {
+	local dest="/usr/$(get_libdir)/${PN}-${SLOT}"
+	local ddest="${ED%/}/${dest#/}"
+
+	cd "${S}"/build/*-release/images/j2sdk-image || die
+
+	if ! use alsa; then
+		rm -v jre/lib/$(get_system_arch)/libjsoundalsa.* || die
+	fi
+
+	# stupid build system does not remove that
+	if use headless-awt ; then
+		rm -fvr jre/lib/$(get_system_arch)/lib*{[jx]awt,splashscreen}* \
+		{,jre/}bin/policytool bin/appletviewer || die
+	fi
+
+	if ! use examples ; then
+		rm -vr demo/ || die
+	fi
+
+	if ! use source ; then
+		rm -v src.zip || die
+	fi
+
+	dodir "${dest}"
+	cp -pPR * "${ddest}" || die
+
+	dosym "${EPREFIX}"/etc/ssl/certs/java/cacerts "${dest}"/jre/lib/security/cacerts
+
+	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
+
+	if use doc ; then
+		insinto /usr/share/doc/${PF}/html
+		doins -r "${S}"/build/*-release/docs/*
+	fi
+}
+
+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 ${SLOT}. This JDK must therefore be invoked using its"
+		ewarn "absolute location under ${EPREFIX}/usr/$(get_libdir)/${PN}-${SLOT}."
+	fi
+}