Hi,

here the complete eclass, as requested on irc.

Several minor changes are present:
* Drop numerous blank lines
* Drop Sebastien as maintainer
* Shuffle/Resort variables and functions (without changes)
* Write manpage jingle for everything
* and probably more.

justin
# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/intel-sdp.eclass,v 1.4 2012/09/20 
13:54:56 jlec Exp $

# @ECLASS: intel-sdp.eclass
# @MAINTAINER:
# Justin Lecher <j...@gentoo.org>
# Sci Team <s...@gentoo.org>
# @BLURB: Handling of Intel's Software Development Products package management

# @ECLASS-VARIABLE: INTEL_DID
# @DEFAULT_UNSET
# @DESCRIPTION:
# The package download ID from Intel.
# To find out its value, see the links to download in
# https://registrationcenter.intel.com/RegCenter/MyProducts.aspx
#
# e.g. 2504
#
# Must be defined before inheriting the eclass

# @ECLASS-VARIABLE: INTEL_DPN
# @DEFAULT_UNSET
# @DESCRIPTION:
# The package name to download from Intel.
# To find out its value, see the links to download in
# https://registrationcenter.intel.com/RegCenter/MyProducts.aspx
#
# e.g. parallel_studio_xe
#
# Must be defined before inheriting the eclass

# @ECLASS-VARIABLE: INTEL_DPV
# @DEFAULT_UNSET
# @DESCRIPTION:
# The package download version from Intel.
# To find out its value, see the links to download in
# https://registrationcenter.intel.com/RegCenter/MyProducts.aspx
#
# e.g. 2011_sp1_update2
#
# Must be defined before inheriting the eclass

# @ECLASS-VARIABLE: INTEL_SUBDIR
# @DEFAULT_UNSET
# @DESCRIPTION:
# The package sub-directory where it will end-up in /opt/intel
# To find out its value, you have to do a raw install from the Intel tar ball

# @ECLASS-VARIABLE: INTEL_RPMS_DIRS
# @DESCRIPTION:
# List of subdirectories in the main archive which contains the
# rpms to extract.
: ${INTEL_RPMS_DIRS:=rpm}

# @ECLASS-VARIABLE: INTEL_X86
# @DESCRIPTION:
# 32bit arch in rpm names
#
# e.g. i484
: ${INTEL_X86:=i486}

# @ECLASS-VARIABLE: INTEL_BIN_RPMS
# @DEFAULT_UNSET
# @DESCRIPTION:
# Functional name of rpm without any version/arch tag
#
# e.g. compilerprof

# @ECLASS-VARIABLE: INTEL_DAT_RPMS
# @DEFAULT_UNSET
# @DESCRIPTION:
# Functional name of rpm of common data which are arch free
# without any version tag
#
# e.g. openmp

# @ECLASS-VARIABLE: INTEL_SDP_DB
# @DESCRIPTION:
# Full path to intel registry db
INTEL_SDP_DB="${EROOT%/}"/opt/intel/intel-sdp-products.db

inherit check-reqs multilib versionator

_INTEL_PV1=$(get_version_component_range 1)
_INTEL_PV2=$(get_version_component_range 2)
_INTEL_PV3=$(get_version_component_range 3)
_INTEL_PV4=$(get_version_component_range 4)
_INTEL_URI="http://registrationcenter-download.intel.com/irc_nas/${INTEL_DID}/${INTEL_DPN}";

SRC_URI="
        amd64? ( multilib? ( ${_INTEL_URI}_${INTEL_DPV}.tgz ) )
        amd64? ( !multilib? ( ${_INTEL_URI}_${INTEL_DPV}_intel64.tgz ) )
        x86?  ( ${_INTEL_URI}_${INTEL_DPV}_ia32.tgz )"

LICENSE="Intel-SDP"
# Future work, #394411
#SLOT="${_INTEL_PV1}.${_INTEL_PV2}"
SLOT="0"
IUSE="doc examples multilib"
KEYWORDS="-* ~amd64 ~x86 ~amd64-linux ~x86-linux"

RESTRICT="mirror"

RDEPEND=""
DEPEND="app-arch/rpm2targz"

_INTEL_SDP_YEAR=${INTEL_DPV%_update*}
_INTEL_SDP_YEAR=${INTEL_DPV%_sp*}

# @ECLASS-VARIABLE: INTEL_SDP_DIR
# @DEFAULT_UNSET
# @DESCRIPTION:
# Full rootless path to installation dir
INTEL_SDP_DIR="opt/intel/${INTEL_SUBDIR}-${_INTEL_SDP_YEAR:-${_INTEL_PV1}}.${_INTEL_PV3}.${_INTEL_PV4}"

# @ECLASS-VARIABLE: INTEL_SDP_EDIR
# @DEFAULT_UNSET
# @DESCRIPTION:
# Full rooted path to installation dir
INTEL_SDP_EDIR="${EROOT%/}/${INTEL_SDP_DIR}"

S="${WORKDIR}"

QA_PREBUILT="${INTEL_SDP_DIR}/*"

# @ECLASS-VARIABLE: INTEL_ARCH
# @DEFAULT_UNSET
# @DESCRIPTION:
# Intels internal names of the arches; will be set at runtime accordingly
#
# e.g. amd64-multilib -> INTEL_ARCH="intel64 ia32"

# @ECLASS-FUNCTION: intel_link_eclipse_plugins
# @DESCRIPTION:
# Creating necessary links to use intel compiler with eclipse
intel_link_eclipse_plugins() {
    local c f
    pushd ${INTEL_SDP_DIR}/eclipse_support > /dev/null
        for c in cdt*; do
            local cv=${c#cdt} ev=3.$(( ${cv:0:1} - 1))
            if has_version "dev-util/eclipse-sdk:${ev}"; then
                einfo "Linking eclipse (v${ev}) plugin cdt (v${cv})"
                for f in cdt${cv}/eclipse/features/*; do
                    dodir /usr/$(get_libdir)/eclipse-${ev}/features
                    dosym "${INTEL_SDP_EDIR}"/eclipse_support/${f} \
                        /usr/$(get_libdir)/eclipse-${ev}/features/ || die
                done
                for f in cdt${cv}/eclipse/plugins/*; do
                    dodir /usr/$(get_libdir)/eclipse-${ev}/plugins
                    dosym "${INTEL_SDP_EDIR}"/eclipse_support/${f} \
                        /usr/$(get_libdir)/eclipse-${ev}/plugins/ || die
                done
            fi
        done
    popd > /dev/null
}

# @ECLASS-FUNCTION: big-warning
# @INTERNAL
# warn user that we really require a license
big-warning() {
    case ${1} in
                        pre-check )
                                echo ""
                                ewarn "License file not found!"
                                ;;
        test-failed )
            echo
            ewarn "Function test failed. Most probably due to an invalid 
license."
            ewarn "This means you already tried to bypass the license check 
once."
            ;;
    esac

    echo ""
    ewarn "Make sure you have recieved the an Intel license."
    ewarn "To receive a non-commercial license, you need to register at:"
    ewarn 
"http://software.intel.com/en-us/articles/non-commercial-software-development/";
    ewarn "Install the license file into ${INTEL_SDP_EDIR}/licenses/"

    case ${1} in
        pre-check )
            ewarn "before proceeding with installation of ${P}"
            echo ""
            ;;
        * )
            echo ""
            ;;
            esac
}

# @ECLASS-FUNCTION: _version_test
# @INTERNAL
# Testing for valid license by asking for version information of the compiler
_version_test() {
    local _comp _comp_full _arch _file _warn
    case ${PN} in
        ifc )
            debug-print "Testing ifort"
            _comp=ifort
            ;;
        icc )
            debug-print "Testing icc"
            _comp=icc
            ;;
        *)
            die "${PN} is not supported for testing"
            ;;
    esac

    for _arch in ${INTEL_ARCH}; do
        case ${EBUILD_PHASE} in
            install )
                _comp_full="${ED}/${INTEL_SDP_DIR}/bin/${_arch}/${_comp}"
                ;;
            postinst )
                _comp_full="${INTEL_SDP_EDIR}/bin/${_arch}/${_comp}"
                ;;
            * )
                ewarn "Compile test not supported in ${EBUILD_PHASE}"
                continue
                ;;
        esac

        debug-print "LD_LIBRARY_PATH=\"${INTEL_SDP_EDIR}/bin/${_arch}/\" 
\"${_comp_full}\" -V"

        LD_LIBRARY_PATH="${INTEL_SDP_EDIR}/bin/${_arch}/" "${_comp_full}" -V 
&>/dev/null
        [[ $? -ne 0 ]] && _warn=yes
    done
    [[ "${_warn}" == "yes" ]] && big-warning test-failed
}

# @ECLASS-FUNCTION: run-test
# @INTERNAL
# Test if installed compiler is working
run-test() {
    case ${PN} in
        ifc | icc )
            _version_test ;;
        * )
            debug-print "No test available for ${PN}"
            ;;
    esac
}

# @ECLASS-FUNCTION: intel-sdp_pkg_pretend
# @DESCRIPTION:
# * Check that the user has a (valid) license file before going on.
#
# * Check for space requirements being fullfilled
intel-sdp_pkg_pretend() {
        local _warn=1 _dirs i _ret arch a p

        : ${CHECKREQS_DISK_BUILD:=256M}
        check-reqs_pkg_pretend

        _dirs=(
                "${INTEL_SDP_EDIR}/licenses"
                "${INTEL_SDP_EDIR}/Licenses"
                "${EPREFIX}/opt/intel/licenses"
                )
        for ((i = 0; i < ${#_dirs[@]}; i++)); do
                ebegin "Checking for a license in: ${_dirs[$i]}"
                [[ $( ls "${_dirs[$i]}"/*lic 2>/dev/null ) ]]; _ret=$?
                eend ${_ret}
                if [[ ${_ret} == "0" ]]; then
                        _warn=${_ret}
                        break
                fi
        done
        if [[ ${_warn} == "1" ]]; then
                big-warning pre-check
                die "Could not find license file"
        fi
}

# @ ECLASS-FUNCTION: intel-sdp_pkg_setup
# @DESCRIPTION:
# The setup finction serves two purposes:
#
# * Setting up and sorting some internal variables
intel-sdp_pkg_setup() {
        local arch a p

        if use x86; then
                arch=${INTEL_X86}
                INTEL_ARCH="ia32"
        elif use amd64; then
                arch=x86_64
                INTEL_ARCH="intel64"
                if has_multilib_profile; then
                        arch="x86_64 ${INTEL_X86}"
                        INTEL_ARCH="intel64 ia32"
                fi
        fi
        INTEL_RPMS=""
        for p in ${INTEL_BIN_RPMS}; do
                for a in ${arch}; do
                        INTEL_RPMS+=" 
intel-${p}-${_INTEL_PV4}-${_INTEL_PV1}.${_INTEL_PV2}-${_INTEL_PV3}.${a}.rpm"
                done
        done
        for p in ${INTEL_DAT_RPMS}; do
                INTEL_RPMS+=" 
intel-${p}-${_INTEL_PV4}-${_INTEL_PV1}.${_INTEL_PV2}-${_INTEL_PV3}.noarch.rpm"
        done

        case "${EAPI:-0}" in
                0|1|2|3) intel-sdp_pkg_pretend ;;
        esac
}

# @ ECLASS-FUNCTION: intel-sdp_src_unpack
# @DESCRIPTION:
# Unpacking necessary rpms from tarball, extract them and rearrange the output.
intel-sdp_src_unpack() {
        local l r subdir rb t list=()

        for t in ${A}; do
                for r in ${INTEL_RPMS}; do
                        for subdir in ${INTEL_RPMS_DIRS}; do
                                rpmdir=${t%%.*}/${subdir}
                                list+=( ${rpmdir}/${r})
                        done
                done
                tar xf "${DISTDIR}"/${t} ${list[@]}  2> /dev/null || die
                for r in ${list[@]}; do
                        rb=$(basename ${r})
                        l=.${rb}_$(date +'%d%m%y_%H%M%S').log
                        einfo "Unpacking ${rb}"
                        rpm2tar -O ${r} | tar xvf - | sed -e \
                                "s:^\.:${EROOT#/}:g" > ${l} || die "unpacking 
${r} failed"
                        mv ${l} opt/intel/ || die "failed moving extract log 
file"
                done
        done

        mv opt/intel/* ${INTEL_SDP_DIR} || die "mv to INTEL_SDP_DIR failed"
}

# @ ECLASS-FUNCTION: intel-sdp_src_install
# @DESCRIPTION:
# Install everything
intel-sdp_src_install() {
        if ! use doc && [[ -d "${INTEL_SDP_DIR}"/Documentation ]]; then
                ebegin "Cleaning out documentation"
                find "${INTEL_SDP_DIR}"/Documentation -delete || die
                eend
        fi
        if ! use examples && [[ -d "${INTEL_SDP_DIR}"/Samples ]]; then
                ebegin "Cleaning out examples"
                find "${INTEL_SDP_DIR}"/Samples -delete || die
                eend
        fi
        if [[ -d "${INTEL_SDP_DIR}"/eclipse_support ]]; then
                if has eclipse ${IUSE} && use eclipse; then
                        intel_link_eclipse_plugins
                else
                        ebegin "Cleaning out eclipse plugin"
                        find "${INTEL_SDP_DIR}"/eclipse_support -delete || die
                        eend
                fi
        fi

        if [[ -d "${INTEL_SDP_DIR}"/man ]]; then
                doman "${INTEL_SDP_DIR}"/man/en_US/man1/*
                [[ ${LINGUAS} == "*ja_JP*" ]] && \
                        doman -i18n=ja_JP "${INTEL_SDP_DIR}"/man/ja_JP/man1/*

                find "${INTEL_SDP_DIR}"/man -delete || die
        fi

        einfo "Tagging ${PN}"
        find opt -name \*sh -type f -exec sed -i \
                -e "s:<.*DIR>:${INTEL_SDP_EDIR}:g" \
                '{}' + || die

        [[ -d "${ED}" ]] || dodir /
        mv opt "${ED}"/ || die "moving files failed"

        dodir "${INTEL_SDP_EDIR}"/licenses
        keepdir "${INTEL_SDP_EDIR}"/licenses
}

# @ECLASS-FUNCTION
# @DESCRIPTION:
# Add things to intel database
intel-sdp_pkg_postinst() {
        # add product registry to intel "database"
        local l r
        for r in ${INTEL_RPMS}; do
                l="$(ls -1 ${EROOT%/}/opt/intel/.${r}_*.log | head -n 1)"
                echo >> ${INTEL_SDP_DB} \
                        
"<:${r%-${_INTEL_PV4}*}-${_INTEL_PV4}:${r}:${INTEL_SDP_EDIR}:${l}:>"
        done
        run-test
}

# @ECLASS-FUNCTION
# @DESCRIPTION:
# Sanitize intel database
intel-sdp_pkg_postrm() {
        # remove from intel "database"
        if [[ -e ${INTEL_SDP_DB} ]]; then
                local r
                for r in ${INTEL_RPMS}; do
                        sed -i \
                                -e "/${r}/d" \
                                ${INTEL_SDP_DB}
                done
        fi
}

EXPORT_FUNCTIONS pkg_setup src_unpack src_install pkg_postinst pkg_postrm
case "${EAPI:-0}" in
        0|1|2|3) ;;
        4|5) EXPORT_FUNCTIONS pkg_pretend ;;
        *) die "EAPI=${EAPI} is not supported" ;;
esac

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