# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: $


inherit java nsplugins

JREV="01"

S="${WORKDIR}/j2sdk${PV}"
DESCRIPTION="Blackdown Java Development Kit ${PV}"
HOMEPAGE="http://www.blackdown.org"
J_URI="ftp://ftp.gwdg.de/pub/languages/java/linux/JDK-${PV}"
if [ "`gcc -dumpversion | cut -f1 -d.`" -eq "3" -a "`gcc -dumpversion | cut -f2 -d.`" -ge "2" ] ; then
	SRC_URI="x86? ( ${J_URI}/i386/${JREV}/j2sdk-${PV}-${JREV}-linux-i586-gcc3.2.bin )
		amd64? ( ${J_URI}/i386/${JREV}/j2sdk-${PV}-${JREV}-linux-i586-gcc3.2.bin )"
else
	SRC_URI="x86? ( ${J_URI}/i386/${JREV}/j2sdk-${PV}-${JREV}-linux-i586-gcc2.95.bin )"
fi
SRC_URI="${SRC_URI} sparc? ( ${J_URI}/sparc/${JREV}/j2sdk-${PV}-${JREV}-linux-sparc-gcc3.2.bin )"

# this is needed for proper operating under a PaX kernel without activated grsecurity acl
CHPAX_CONSERVATIVE_FLAGS="pemsv"

LICENSE="sun-bcla-java-vm"
SLOT="1.4.1"
KEYWORDS="x86 -ppc sparc amd64"
IUSE="doc mozilla"

DEPEND="virtual/glibc
	>=dev-java/java-config-0.2.6
	doc? ( =dev-java/java-sdk-docs-1.4.1* )
	amd64? ( >=app-emulation/emul-linux-x86-baselibs-1.0 )"
PROVIDE="virtual/jdk-1.4.1
	virtual/jre-1.4.1
	virtual/java-scheme-2"

# Extract the 'skip' value (offset of tarball) we should pass to tail
get_offset() {
	[ ! -f "$1" ] && return

	local offset="`gawk '
		/^[[:space:]]*skip[[:space:]]*=/ {

			sub(/^[[:space:]]*skip[[:space:]]*=/, "")
			SKIP = $0
		}

		END { print SKIP }
	' $1`"

	eval echo $offset
}

src_unpack () {
	local offset="`get_offset ${DISTDIR}/${A}`"

	if [ -z "${offset}" ] ; then
		eerror "Failed to get offset of tarball!"
		die "Failed to get offset of tarball!"
	fi

	echo ">>> Unpacking ${A}..."
	tail -n +${offset} ${DISTDIR}/${A} | tar --no-same-owner -jxpf -

	#Remove mozilla plugin to keep revdep happy (Bug 43150)
	if ! use mozilla ; then
		rm -f ${S}/jre/plugin/i386/mozilla/javaplugin_oji.so
	fi
}


src_install () {
	local PLATFORM=

	dodir /opt/${P}

	cp -a ${S}/{bin,jre,lib,man,include} ${D}/opt/${P}

	dodir /opt/${P}/share/java
	cp -a ${S}/{demo,src.zip} ${D}/opt/${P}/share

	dodoc COPYRIGHT LICENSE README INSTALL
	dohtml README.html

	# Install mozilla plugin
	# Do not install w/o mozilla (Bug 43150)
	if use mozilla ; then
		if [ "${ARCH}" = "x86" ] ; then
			PLATFORM="i386"
		fi

		if [ "${ARCH}" = "amd64" ] ; then
			PLATFORM="i386"
		fi

		if [ "${ARCH}" = "sparc" ] ; then
			PLATFORM="sparc"
		fi

		inst_plugin /opt/${P}/jre/plugin/${PLATFORM}/mozilla/javaplugin_oji.so
	fi

	find ${D}/opt/${P} -type f -name "*.so" -exec chmod +x \{\} \;

	dosed "s/standard symbols l/symbol/g" \
		/opt/${P}/jre/lib/font.properties

	# install env into /etc/env.d
	set_java_env ${FILESDIR}/${VMHANDLE} || die

	# Fix for bug 26629
	if [ "${PROFILE_ARCH}" = "sparc64" ]
	then
		dosym /opt/${P}/jre/lib/sparc /opt/${P}/jre/lib/sparc64
	fi
}

pkg_postinst () {
	# Set as default system VM if none exists
	java_pkg_postinst

	# if chpax is on the target system, set the appropriate PaX flags
	# this will not hurt the binary, it modifies only unused ELF bits
	# but may confuse things like AV scanners and automatic tripwire
	if has_version "sys-apps/chpax"
	then
		einfo "setting up conservative PaX flags for jar and javac"

		for paxkills in "jar" "javac" "java"
		do
			chpax -${CHPAX_CONSERVATIVE_FLAGS} /opt/${PN}-${PV}/bin/$paxkills
		done

		# /opt/blackdown-jdk-1.4.1/jre/bin/java_vm
		chpax -${CHPAX_CONSERVATIVE_FLAGS} /opt/${PN}-${PV}/jre/bin/java_vm

		einfo "you should have seen lots of chpax output above now"
		ewarn "make sure the grsec ACL contains those entries also"
		ewarn "because enabling it will override the chpax setting"
		ewarn "on the physical files - help for PaX and grsecurity"
		ewarn "can be given by #gentoo-hardened + pappy@gentoo.org"
	fi
}