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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-db/oracle-instantclient-basic/oracle-instantclient-basic-11.2.0.3.ebuild,v 1.2 2012/03/07 15:22:15 haubi Exp $

EAPI="4"

inherit eutils

MY_PLAT_x86="Linux x86"
MY_BITS_x86=32
MY_A_x86="${PN/oracle-/}-linux-${PV}.0.zip"
MY_ASDK_x86="${MY_A_x86/basic/sdk}"

MY_PLAT_amd64="Linux x86-64"
MY_BITS_amd64=64
MY_A_amd64="${PN/oracle-}-linux.x64-${PV}.0.zip"
MY_ASDK_amd64="${MY_A_amd64/basic/sdk}"

DESCRIPTION="Oracle 11g Instant Client with SDK"
HOMEPAGE="http://www.oracle.com/technetwork/database/features/instant-client/index.html"
SRC_URI="
	x86?   ( ${MY_A_x86}   ${MY_ASDK_x86}                             )
	amd64? ( ${MY_A_amd64} ${MY_ASDK_amd64} multilib? ( ${MY_A_x86} ) )
"

LICENSE="OTN"
SLOT="0"
KEYWORDS="~x86 ~amd64"
RESTRICT="fetch"
IUSE="multilib"

DEPEND="app-arch/unzip"
RDEPEND="dev-libs/libaio"

S="${WORKDIR}"

default_abi() {
	[[ ${DEFAULT_ABI} == 'default' ]] && echo ${ARCH} || echo ${DEFAULT_ABI}
}

# install SDK for the default ABI only
need_sdk_for_abi() {
	[[ $1 == $(default_abi) ]]
}

abi_list() {
	if use multilib; then
		echo ${MULTILIB_ABIS}
	elif [[ ${DEFAULT_ABI} == 'default' ]]; then
		# no multilib-able platform
		echo ${ARCH}
	else
		echo ${DEFAULT_ABI}
	fi
	return 0
}

set_abivars() {
	local abi=$1
	# platform name
	MY_PLAT=MY_PLAT_${abi}
	MY_PLAT=${!MY_PLAT}
	# platform bitwidth
	MY_BITS=MY_BITS_${abi}
	MY_BITS=${!MY_BITS}
	# runtime distfile
	MY_A=MY_A_${abi}
	MY_A=${!MY_A}
	# sdk distfile
	MY_ASDK=MY_ASDK_${abi}
	MY_ASDK=${!MY_ASDK}
	# abi sourcedir
	MY_S="${S}/${abi}/instantclient_11_2"
	# abi libdir
	MY_LIBDIR=$(ABI=${abi} get_libdir)
}

pkg_nofetch() {
	eerror "Please go to"
	eerror "  ${HOMEPAGE%/*}/index-097480.html"
	eerror "  and download"
	local abi
	for abi in $(abi_list)
	do
		set_abivars ${abi}
		eerror "Instant Client for ${MY_PLAT}"
		eerror "    Basic: ${MY_A}"
		if need_sdk_for_abi ${abi}; then
			eerror "    SDK:   ${MY_ASDK}"
		fi
	done
	eerror "After downloading, put them in:"
	eerror "    ${DISTDIR}/"
}

src_unpack() {
	local abi
	for abi in $(abi_list)
	do
		set_abivars ${abi}
		mkdir -p "${MY_S%/*}" || die
		cd "${MY_S%/*}" || die
		unpack ${MY_A}
		if need_sdk_for_abi ${abi}; then
			unpack ${MY_ASDK}
		fi
	done
}

src_prepare() {
	set_abivars $(default_abi)
	cd "${MY_S}" || die
	epatch "${FILESDIR}"/11.2.0.3-makefile.patch
}

src_install() {
	# all binaries go here
	local oracle_home=/usr/$(get_libdir)/oracle/${PV}/client
	into "${oracle_home}"

	local abi ldpath=
	for abi in $(abi_list)
	do
		set_abivars ${abi}
		einfo "Installing runtime for ${MY_PLAT} ..."

		cd "${MY_S}" || die

		# shared libraries
		ABI=${abi} dolib.so lib*$(get_libname)*

		# ensure to be linkable
		[[ -e libocci$(get_libname) ]] ||
		dosym libocci$(get_libname 11.1) \
			"${oracle_home}"/${MY_LIBDIR}/libocci$(get_libname)
		[[ -e libclntsh$(get_libname) ]] ||
		dosym libclntsh$(get_libname 11.1) \
			"${oracle_home}"/${MY_LIBDIR}/libclntsh$(get_libname)

		# java archives
		insinto "${oracle_home}"/${MY_LIBDIR}
		doins *.jar

		# runtime library path
		ldpath+=${ldpath:+:}${oracle_home}/${MY_LIBDIR}

		eend $?
	done

	# ensure ORACLE_HOME/lib exists
	[[ -e ${D}${oracle_home}/lib ]] ||
	dosym $(get_libdir) "${oracle_home}"/lib

	# SDK is for the default abi only
	set_abivars $(default_abi)

	einfo "Installing SDK ..."
	cd "${MY_S}"/sdk || die

	# SDK makefile, for #165834
	# As we change the relative filesystem layout compared
	# to vanilla instantclient.zip content, it feels easier
	# to fake the layout found in Oracle eXpress Edition.
	# Both layouts are known to DBD::Oracle (cpan).
	insinto "${oracle_home}"/rdbms/demo
	newins demo/demo.mk demo_xe.mk

	# Remove ldap.h, #299562
	rm include/ldap.h || die
	# DBD::Oracle needs rdbms/public as real directory
	insinto "${oracle_home}"/rdbms/public
	doins include/*.h
	dosym rdbms/public "${oracle_home}"/include
	# ruby-oci8 expects the headers here
	dosym "${oracle_home}"/rdbms/public /usr/include/oracle/${PV}/client

	dodoc demo/*

	eend $?

	# create path for tnsnames.ora
	dodir /etc/oracle

	# Add OCI libs to library path
	{
		echo "ORACLE_HOME=${oracle_home}"
		echo "LDPATH=${ldpath}"
# who does need this?
#		echo "C_INCLUDE_PATH=${oracle_home}/include"
		echo "TNS_ADMIN=/etc/oracle/"
	} > "${T}"/50oracle-instantclient-basic
	doenvd "${T}"/50oracle-instantclient-basic
}

pkg_postinst() {
	elog "TNS_ADMIN has been set to ${ROOT}etc/oracle by default,"
	elog "put your tnsnames.ora there or configure TNS_ADMIN"
	elog "to point to your user specific configuration."
}