gentoo-x86/eclass/mysql.eclass

# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/mysql.eclass,v 1.39 2006/10/20 14:44:01 chtekk Exp $
# kate: encoding utf-8; eol unix;
# kate: indent-width 4; mixedindent off; remove-trailing-space on; space-indent off;
# kate: word-wrap-column 80; word-wrap off;

# Author: Francesco Riosa (Retired) <vivo@gentoo.org>
# Maintainer: Luca Longinotti <chtekk@gentoo.org>

# Note that MYSQL_VERSION_ID must be empty !!!

ECLASS="mysql"
INHERITED="$INHERITED $ECLASS"

# avoid running userspace code 8 times per ebuild :(
if [[ "${_MYPVR}" != "${PVR}" ]] || [[ -z "${MYSQL_VERSION_ID}" ]]
then
        _MYPVR=${PVR}

        # MYSQL_VERSION_ID will be:
        # major * 10e6 + minor * 10e4 + micro * 10e2 + gentoo revision number, all [0..99]
        # This is an important part, because many of the choices the MySQL ebuild will do
        # depend on this variable.
        # In particular, the code below transforms a $PVR like "5.0.18-r3" in "5001803"
        if [[ -z "${MYSQL_VERSION_ID}" ]] ; then
                tpv=( ${PV//[-._]/ } ) ; tpv[3]="${PVR:${#PV}}" ; tpv[3]="${tpv[3]##*-r}"
                for vatom in 0 1 2 3 ; do
                        # pad to length 2
                        tpv[${vatom}]="00${tpv[${vatom}]}"
                        MYSQL_VERSION_ID="${MYSQL_VERSION_ID}${tpv[${vatom}]:0-2}"
                done
                # strip leading "0" (otherwise it's considered an octal number by BASH)
                MYSQL_VERSION_ID=${MYSQL_VERSION_ID##"0"}
        fi

        inherit eutils flag-o-matic gnuconfig autotools mysql_fx

        # Be warned, *DEPEND are version-dependant
        DEPEND="ssl? ( >=dev-libs/openssl-0.9.6d )
                        userland_GNU? ( sys-process/procps )
                        >=sys-apps/sed-4
                        >=sys-apps/texinfo-4.7-r1
                        >=sys-libs/readline-4.1
                        >=sys-libs/zlib-1.2.3"

        # LEAVE THE SURROUNDING SPACES THERE
        MYSQL_MUTUALLY_EXCLUSIVE=" !dev-db/mysql !dev-db/mysql-community "
        DEPEND="${DEPEND} ${MYSQL_MUTUALLY_EXCLUSIVE/ !${CATEGORY}\/${PN} /}"

        mysql_version_is_at_least "5.01.00.00" \
        || DEPEND="${DEPEND} berkdb? ( sys-apps/ed )"

        RDEPEND="${DEPEND} selinux? ( sec-policy/selinux-mysql )"

        # dev-perl/DBD-mysql is needed by some scripts installed by MySQL
        PDEPEND="perl? ( >=dev-perl/DBD-mysql-2.9004 )"

        # Shorten the path because the socket path length must be shorter than 107 chars
        # and we will run a mysql server during test phase
        S="${WORKDIR}/mysql" # BitKeeper ebuilds

        # Define $MY_FIXED_PV for MySQL patchsets
        MY_FIXED_PV="${PV/_alpha/}"
        #MY_FIXED_PV="${MY_FIXED_PV/_beta/}"
        #MY_FIXED_PV="${MY_FIXED_PV/_rc/}"

        MY_P="${P/_/-}"
        MY_P="${MY_P/-alpha/-bk-}" # BitKeeper ebuilds
        MY_P="${MY_P/-community/}"

        # Define correct SRC_URIs
        SRC_URI="${BASE_URI}/${MY_P}${MYSQL_RERELEASE}.tar.gz"
        if [[ -n "${MYSQL_PATCHSET_REV}" ]] ; then
                MYSQL_PATCHSET_FILENAME="${PN}-patchset-${MY_FIXED_PV}-r${MYSQL_PATCHSET_REV}.tar.bz2"
                # We add the Gentoo mirror here, as we only use primaryuri for the MySQL tarball
                SRC_URI="${SRC_URI} http://g3nt8.org/patches/${MYSQL_PATCHSET_FILENAME}"
        fi

        DESCRIPTION="A fast, multi-threaded, multi-user SQL database server."
        HOMEPAGE="http://www.mysql.com/"
        SLOT="0"
        LICENSE="GPL-2"
        IUSE="big-tables debug embedded minimal perl selinux srvdir ssl static"
        RESTRICT="confcache"

        mysql_version_is_at_least "4.01.00.00" \
        && IUSE="${IUSE} latin1"

        mysql_version_is_at_least "4.01.03.00" \
        && IUSE="${IUSE} cluster extraengine"

        mysql_version_is_at_least "5.00.00.00" \
        || IUSE="${IUSE} raid"

        mysql_version_is_at_least "5.00.18.00" \
        && IUSE="${IUSE} max-idx-128"

        mysql_version_is_at_least "5.01.00.00" \
        && IUSE="${IUSE} innodb"

        mysql_version_is_at_least "5.01.00.00" \
        || IUSE="${IUSE} berkdb"
fi # if [[ "${_MYPVR}" != "${PVR}" ]]

EXPORT_FUNCTIONS pkg_setup src_unpack src_compile src_install pkg_preinst \
                                pkg_postinst pkg_config pkg_postrm

#
# HELPER FUNCTIONS:
#

bitkeeper_fetch() {

        local tpv=( ${PV//[-._]/ } )
        local reposuf="${tpv[0]}.${tpv[1]}"
        useq "cluster" && reposuf="${reposuf}-ndb"
        local repo_uri="bk://mysql.bkbits.net/mysql-${reposuf}"
        ## -- ebk_store_dir:  bitkeeper sources store directory
        local ebk_store_dir="${PORTAGE_ACTUAL_DISTDIR-${DISTDIR}}/bk-src"
        ## -- ebk_fetch_cmd:  bitkeeper fetch command
        # always fetch the latest revision, use -r<revision> if a specified revision is wanted
        # hint: does not work
        local ebk_fetch_cmd="sfioball"
        ## -- ebk_update_cmd:  bitkeeper update command
        local ebk_update_cmd="update"

        #addread "/etc/bitkeeper"
        addwrite "${ebk_store_dir}"

        if [[ ! -d "${ebk_store_dir}" ]]; then
                debug-print "${FUNCNAME}: initial checkout. creating bitkeeper directory"
                mkdir -p "${ebk_store_dir}" || die "${EBK}: can't mkdir ${ebk_store_dir}."
        fi

        pushd "${ebk_store_dir}" || die "${EBK}: can't chdir to ${ebk_store_dir}"

        local wc_path=mysql-${reposuf}

        if [[ ! -d "${wc_path}" ]]; then
                local options="-r+"
                # first check out
                einfo "bitkeeper check out start -->"
                einfo "     repository: ${repo_uri}"
                ${ebk_fetch_cmd} ${options} "${repo_uri}" ${wc_path} \
                || die "${EBK}: can't fetch from ${repo_uri}."
        else
                if [[ ! -d "${wc_path}/BK" ]]; then
                        popd
                        die "Look like ${wc_path} is not a bitkeeper path."
                fi

                # update working copy
                einfo "bitkeeper update start -->"
                einfo "     repository: ${repo_uri}"

                ${ebk_update_cmd} "${repo_uri}" "${wc_path}" \
                || die "BK: can't update from ${repo_uri} to ${wc_path}."

        fi

        einfo "   working copy: ${wc_path}"
        cd "${wc_path}"
        rsync -rlpgo --exclude="BK/" . "${S}" || die "BK: can't export to ${S}."

        echo
        popd

}

mysql_disable_test() {
        local testname="${1}" ; shift
        local reason="${@}"
        local mysql_disable_file="${S}/mysql-test/t/disabled.def"
        echo ${testname} : ${reason} >> "${mysql_disable_file}"
        ewarn "test \"${testname}\" disabled because: \"${reason}\""
}

# void mysql_init_vars()
#
# Initialize global variables
# 2005-11-19 <vivo@gentoo.org>

mysql_init_vars() {
        MY_SHAREDSTATEDIR=${MY_SHAREDSTATEDIR="/usr/share/mysql"}
        MY_SYSCONFDIR=${MY_SYSCONFDIR="/etc/mysql"}
        MY_LIBDIR=${MY_LIBDIR="/usr/$(get_libdir)/mysql"}
        MY_LOCALSTATEDIR=${MY_LOCALSTATEDIR="/var/lib/mysql"}
        MY_LOGDIR=${MY_LOGDIR="/var/log/mysql"}
        MY_INCLUDEDIR=${MY_INCLUDEDIR="/usr/include/mysql"}

        if [[ -z "${DATADIR}" ]] ; then
                DATADIR=""
                if [[ -f "${MY_SYSCONFDIR}/my.cnf" ]] ; then
                        DATADIR=`"my_print_defaults" mysqld 2>/dev/null \
                                | sed -ne '/datadir/s|^--datadir=||p' \
                                | tail -n1`
                        if [[ -z "${DATADIR}" ]] ; then
                                if useq "srvdir" ; then
                                        DATADIR="${ROOT}/srv/localhost/mysql/datadir"
                                else
                                        DATADIR=`grep ^datadir "${MY_SYSCONFDIR}/my.cnf" \
                                                | sed -e 's/.*=\s*//'`
                                fi
                        fi
                fi
                if [[ -z "${DATADIR}" ]] ; then
                        if useq "srvdir" ; then
                                DATADIR="${ROOT}/srv/localhost/mysql/datadir"
                        else
                                DATADIR="${MY_LOCALSTATEDIR}"
                        fi
                        einfo "Using default DATADIR"
                fi
                elog "MySQL DATADIR is ${DATADIR}"

                if [[ -z "${PREVIOUS_DATADIR}" ]] ; then
                        if [[ -e "${DATADIR}" ]] ; then
                                elog "Previous datadir found, it's YOUR job to change"
                                elog "ownership and take care of it"
                                PREVIOUS_DATADIR="yes"
                        else
                                PREVIOUS_DATADIR="no"
                        fi
                        export PREVIOUS_DATADIR
                fi
        fi

        export MY_SHAREDSTATEDIR MY_SYSCONFDIR
        export MY_LIBDIR MY_LOCALSTATEDIR MY_LOGDIR
        export MY_INCLUDEDIR
        export DATADIR
}

configure_minimal() {
        # These are things we exclude from a minimal build, please
        # note that the server actually does get built and installed,
        # but we then delete it before packaging.
        local minimal_exclude_list="server embedded-server extra-tools innodb bench berkeley-db row-based-replication"

        for i in ${minimal_exclude_list} ; do
                myconf="${myconf} --without-${i}"
        done
        myconf="${myconf} --with-extra-charsets=none"
        myconf="${myconf} --enable-local-infile"

        if useq "static" ; then
                myconf="${myconf} --with-client-ldflags=-all-static"
                myconf="${myconf} --disable-shared"
        else
                myconf="${myconf} --enable-shared --enable-static"
        fi

        if mysql_version_is_at_least "4.01.00.00" && ! useq "latin1" ; then
                myconf="${myconf} --with-charset=utf8"
                myconf="${myconf} --with-collation=utf8_general_ci"
        else
                myconf="${myconf} --with-charset=latin1"
                myconf="${myconf} --with-collation=latin1_swedish_ci"
        fi
}

configure_common() {
        myconf="${myconf} $(use_with big-tables)"
        myconf="${myconf} --enable-local-infile"
        myconf="${myconf} --with-extra-charsets=all"
        myconf="${myconf} --with-mysqld-user=mysql"
        myconf="${myconf} --with-server"
        myconf="${myconf} --with-unix-socket-path=/var/run/mysqld/mysqld.sock"
        myconf="${myconf} --without-libwrap"

        if useq "static" ; then
                myconf="${myconf} --with-mysqld-ldflags=-all-static"
                myconf="${myconf} --with-client-ldflags=-all-static"
                myconf="${myconf} --disable-shared"
        else
                myconf="${myconf} --enable-shared --enable-static"
        fi

        if useq "debug" ; then
                myconf="${myconf} --with-debug=full"
        else
                myconf="${myconf} --without-debug"
                mysql_version_is_at_least "4.1.3" \
                && useq "cluster" \
                && myconf="${myconf} --without-ndb-debug"
        fi

        if mysql_version_is_at_least "4.1" && ! useq "latin1" ; then
                        myconf="${myconf} --with-charset=utf8"
                        myconf="${myconf} --with-collation=utf8_general_ci"
                else
                        myconf="${myconf} --with-charset=latin1"
                        myconf="${myconf} --with-collation=latin1_swedish_ci"
        fi

        if useq "embedded" ; then
                myconf="${myconf} --with-embedded-privilege-control"
                myconf="${myconf} --with-embedded-server"
        else
                myconf="${myconf} --without-embedded-privilege-control"
                myconf="${myconf} --without-embedded-server"
        fi

}

configure_40_41_50() {
        myconf="${myconf} $(use_with perl bench)"
        myconf="${myconf} --enable-assembler"
        myconf="${myconf} --with-extra-tools"
        myconf="${myconf} --with-innodb"
        myconf="${myconf} --without-readline"
        mysql_version_is_at_least "5.0" || myconf="${myconf} $(use_with raid)"

        if useq "ssl" ; then
                # --with-vio is not needed anymore, it's on by default and
                # has been removed from configure
                mysql_version_is_at_least "5.0.4" || myconf="${myconf} --with-vio"
                if mysql_version_is_at_least "5.0.6" ; then
                        # myconf="${myconf} --with-yassl"
                        myconf="${myconf} --with-openssl"
                else
                        myconf="${myconf} --with-openssl"
                fi
        else
                myconf="${myconf} --without-openssl"
        fi

        # The following fix is due to a bug with bdb on SPARC's. See:
        # http://www.geocrawler.com/mail/msg.php3?msg_id=4754814&list=8
        # It comes down to non-64-bit safety problems.
        if useq "sparc" || useq "alpha" || useq "hppa" || useq "mips" || useq "amd64" ; then
                elog "Berkeley DB support was disabled due to incompatible arch"
                myconf="${myconf} --without-berkeley-db"
        else
                if useq "berkdb" ; then
                        myconf="${myconf} --with-berkeley-db=./bdb"
                else
                        myconf="${myconf} --without-berkeley-db"
                fi
        fi

        if mysql_version_is_at_least "4.1.3" ; then
                myconf="${myconf} --with-geometry"
                myconf="${myconf} $(use_with cluster ndbcluster)"
        fi

        if mysql_version_is_at_least "4.1.3" && useq "extraengine" ; then
                # http://dev.mysql.com/doc/mysql/en/archive-storage-engine.html
                myconf="${myconf} --with-archive-storage-engine"

                # http://dev.mysql.com/doc/mysql/en/csv-storage-engine.html
                myconf="${myconf} --with-csv-storage-engine"

                # http://dev.mysql.com/doc/mysql/en/blackhole-storage-engine.html
                myconf="${myconf} --with-blackhole-storage-engine"

                # http://dev.mysql.com/doc/mysql/en/federated-storage-engine.html
                # http://dev.mysql.com/doc/mysql/en/federated-description.html
                # http://dev.mysql.com/doc/mysql/en/federated-limitations.html
                if mysql_version_is_at_least "5.0.3" ; then
                        elog "Before using the Federated storage engine, please be sure to read"
                        elog "http://dev.mysql.com/doc/mysql/en/federated-limitations.html"
                        myconf="${myconf} --with-federated-storage-engine"
                fi
        fi

        mysql_version_is_at_least "5.0.18" \
        && useq "max-idx-128" \
        && myconf="${myconf} --with-max-indexes=128"
}

configure_51() {
        # TODO: !!!! readd --without-readline
        # the failure depend upon config/ac-macros/readline.m4 checking into
        # readline.h instead of history.h
        myconf="${myconf} $(use_with ssl)"
        myconf="${myconf} --enable-assembler"
        myconf="${myconf} --with-geometry"
        myconf="${myconf} --with-readline"
        myconf="${myconf} --with-row-based-replication"
        myconf="${myconf} --with-zlib=/usr/$(get_libdir)"
        myconf="${myconf} --without-pstack"
        useq "max-idx-128" && myconf="${myconf} --with-max-indexes=128"

        # 5.1 introduces a new way to manage storage engines (plugins)
        # like configuration=none
        local plugins="csv,myisam,myisammrg,heap"
        if useq "extraengine" ; then
                # like configuration=max-no-ndb, archive and example removed in 5.1.11
                plugins="${plugins},archive,blackhole,example,federated,partition"

                elog "Before using the Federated storage engine, please be sure to read"
                elog "http://dev.mysql.com/doc/refman/5.1/en/federated-limitations.html"
        fi

        if useq "innodb" ; then
                plugins="${plugins},innobase"
        fi

        # like configuration=max-no-ndb
        if useq "cluster" ; then
                plugins="${plugins},ndbcluster"
                myconf="${myconf} --with-ndb-binlog"
        fi

        myconf="${myconf} --with-plugins=${plugins}"
}

pbxt_src_compile() {
        mysql_init_vars

        pushd "${WORKDIR}/pbxt-${PBXT_VERSION}" &>/dev/null

        einfo "Reconfiguring dir '${PWD}'"
        AT_GNUCONF_UPDATE="yes" eautoreconf

        local myconf
        myconf="${myconf} --with-mysql=${S}"
        mkdir -p ${T}/lib
        myconf="${myconf} --libdir=${D}/${MY_LIBDIR}"
        useq "debug" && myconf="${myconf} --with-debug=full"
        # TODO is safe/needed to use econf here ?
        ./configure ${myconf} || die "problem configuring pbxt storage engine"
        # TODO is safe/needed to use emake here ?
        make || die "problem making pbxt storage engine (${myconf})"

        popd
        # TODO: modify test suite
}

pbxt_src_install() {
        pushd "${WORKDIR}/pbxt-${PBXT_VERSION}" &>/dev/null
                make install || die "failed pbxt install"
        popd
}

#
# EBUILD FUNCTIONS
#

mysql_pkg_setup() {
        enewgroup mysql 60 || die "problem adding 'mysql' group"
        enewuser mysql 60 -1 /dev/null mysql || die "problem adding 'mysql' user"

        # Check for USE flag problems in pkg_setup
        if useq "static" && useq "ssl" ; then
                eerror "MySQL does not support being built statically with SSL support enabled!"
                die "MySQL does not support being built statically with SSL support enabled!"
        fi

        if ! mysql_version_is_at_least "5.0" \
        && useq "raid" \
        && useq "static" ; then
                eerror "USE flags 'raid' and 'static' conflict, you cannot build MySQL statically"
                eerror "with RAID support enabled."
                die "USE flags 'raid' and 'static' conflict!"
        fi

        if mysql_version_is_at_least "4.1.3" \
        && ( useq "cluster" || useq "extraengine" ) \
        && useq "minimal" ; then
                eerror "USE flags 'cluster' and 'extraengine' conflict with 'minimal' USE flag!"
                die "USE flags 'cluster' and 'extraengine' conflict with 'minimal' USE flag!"
        fi

        mysql_check_version_range "4.0 to 5.0.99.99" \
        && useq "berkdb" \
        && elog "Berkeley DB support is deprecated and will be removed in future versions!"
}

mysql_src_unpack() {
        # Initialize the proper variables first
        mysql_init_vars

        unpack ${A}

        mv -f "${WORKDIR}/${MY_P}${MYSQL_RERELEASE}" "${S}"
        cd "${S}"

        # Apply the patches for this MySQL version
        if [[ -d "${WORKDIR}/${MY_FIXED_PV}" ]] ; then
                EPATCH_SOURCE="${WORKDIR}/${MY_FIXED_PV}" EPATCH_SUFFIX="patch" epatch
        fi

        # Additional checks, remove bundled zlib
        rm -f "${S}/zlib/"*.[ch]
        sed -i -e "s/zlib\/Makefile dnl/dnl zlib\/Makefile/" "${S}/configure.in"
        rm -f "scripts/mysqlbug"

        # Make charsets install in the right place
        find . -name 'Makefile.am' \
                -exec sed --in-place -e 's!$(pkgdatadir)!'${MY_SHAREDSTATEDIR}'!g' {} \;

        # Manage mysqlmanager
        mysql_version_is_at_least "5.00.15.00" \
        && sed -i -e "s!@GENTOO_EXT@!!g" \
                -e "s!@GENTOO_SOCK_PATH@!var/run/mysqld!g" \
                "${S}/server-tools/instance-manager/Makefile.am"

        if mysql_version_is_at_least "4.01.00.00" ; then
                # Remove what needs to be recreated, so we're sure it's actually done
                find . -name Makefile \
                        -o -name Makefile.in \
                        -o -name configure \
                        -exec rm -f {} \;
                rm -f "ltmain.sh"
                rm -f "scripts/mysqlbug"
        fi

        local rebuilddirlist d

        if mysql_version_is_at_least "5.1.12" ; then
                rebuilddirlist="."
                # TODO IMPO! Check this with a cmake expert
                useq "innodb" \
                && cmake \
                        -DCMAKE_C_COMPILER=$(which $(tc-getCC)) \
                        -DCMAKE_CXX_COMPILER=$(which $(tc-getCC)) \
                        "storage/innobase"
        else
                rebuilddirlist=". innobase"
        fi

        for d in ${rebuilddirlist} ; do
                einfo "Reconfiguring dir '${d}'"
                pushd "${d}" &>/dev/null
                AT_GNUCONF_UPDATE="yes" eautoreconf
                popd &>/dev/null
        done

        if mysql_check_version_range "4.1 to 5.0.99.99" \
        && useq "berkdb" ; then
                [[ -w "bdb/dist/ltmain.sh" ]] && cp -f "ltmain.sh" "bdb/dist/ltmain.sh"
                pushd "bdb/dist" \
                && sh s_all \
                || die "Failed bdb reconfigure" \
                &>/dev/null
                popd &>/dev/null
        fi
}

mysql_src_compile() {
        # Make sure the vars are correctly initialized
        mysql_init_vars

        # $myconf is modified by the configure_* functions
        local myconf=""

        if useq "minimal" ; then
                configure_minimal
        else
                configure_common
                if mysql_version_is_at_least "5.1.10" ; then
                        configure_51
                else
                        configure_40_41_50
                fi
        fi

        # Bug #114895, bug #110149
        filter-flags "-O" "-O[01]"

        # glib-2.3.2_pre fix, bug #16496
        append-flags "-DHAVE_ERRNO_AS_DEFINE=1"

        CXXFLAGS="${CXXFLAGS} -fno-exceptions -fno-strict-aliasing"
        CXXFLAGS="${CXXFLAGS} -felide-constructors -fno-rtti"
        mysql_version_is_at_least "5.0" \
        && CXXFLAGS="${CXXFLAGS} -fno-implicit-templates"
        export CXXFLAGS

        econf \
                --libexecdir="/usr/sbin" \
                --sysconfdir="${MY_SYSCONFDIR}" \
                --localstatedir="${MY_LOCALSTATEDIR}" \
                --sharedstatedir="${MY_SHAREDSTATEDIR}" \
                --libdir="${MY_LIBDIR}" \
                --includedir="${MY_INCLUDEDIR}" \
                --with-low-memory \
                --with-client-ldflags=-lstdc++ \
                --enable-thread-safe-client \
                --with-comment="Gentoo Linux ${PF}" \
                --without-docs \
                ${myconf} || die "econf failed"

        # TODO: Move this before autoreconf !!!
        find . -type f -name Makefile -print0 \
        | xargs -0 -n100 sed -i \
        -e 's|^pkglibdir *= *$(libdir)/mysql|pkglibdir = $(libdir)|;s|^pkgincludedir *= *$(includedir)/mysql|pkgincludedir = $(includedir)|'

        emake || die "emake failed"
}

mysql_src_install() {
        # Make sure the vars are correctly initialized
        mysql_init_vars

        emake install DESTDIR="${D}" benchdir_root="${MY_SHAREDSTATEDIR}" || die "emake install failed"

        insinto "${MY_INCLUDEDIR}"
        doins "${MY_INCLUDEDIR}"/my_{config,dir}.h

        # Convenience links
        dosym "/usr/bin/mysqlcheck" "/usr/bin/mysqlanalyze"
        dosym "/usr/bin/mysqlcheck" "/usr/bin/mysqlrepair"
        dosym "/usr/bin/mysqlcheck" "/usr/bin/mysqloptimize"

        # Various junk (my-*.cnf moved elsewhere)
        rm -Rf "${D}/usr/share/info"
        for removeme in  "mysql-log-rotate" mysql.server* \
                binary-configure* my-*.cnf mi_test_all*
        do
                rm -f "${D}"/usr/share/mysql/${removeme}
        done

        # Clean up stuff for a minimal build
        if useq "minimal" ; then
                rm -Rf "${D}${MY_SHAREDSTATEDIR}"/{mysql-test,sql-bench}
                rm -f "${D}"/usr/bin/{mysql{_install_db,manager*,_secure_installation,_fix_privilege_tables,hotcopy,_convert_table_format,d_multi,_fix_extensions,_zap,_explain_log,_tableinfo,d_safe,_install,_waitpid,binlog,test},myisam*,isam*,pack_isam}
                rm -f "${D}/usr/sbin/mysqld"
                rm -f "${D}${MY_LIBDIR}"/lib{heap,merge,nisam,my{sys,strings,sqld,isammrg,isam},vio,dbug}.a
        fi

        # Configuration stuff
        if mysql_version_is_at_least "4.1" ; then
                mysql_mycnf_version="4.1"
        else
                mysql_mycnf_version="4.0"
        fi
        insinto "${MY_SYSCONFDIR}"
        doins "scripts/mysqlaccess.conf"
        sed -e "s!@DATADIR@!${DATADIR}!g" \
                "${FILESDIR}/my.cnf-${mysql_mycnf_version}" \
                > "${TMPDIR}/my.cnf.ok"
        if mysql_version_is_at_least "4.1" && useq "latin1" ; then
                sed -e "s|utf8|latin1|g" -i "${TMPDIR}/my.cnf.ok"
        fi
        newins "${TMPDIR}/my.cnf.ok" my.cnf

        insinto "/etc/conf.d"
        newins "${FILESDIR}/mysql.conf.d" "mysql"
        mysql_version_is_at_least "5.00.11.00" \
        && newins "${FILESDIR}/mysqlmanager.conf.d" "mysqlmanager"

        # Minimal builds don't have the MySQL server
        if ! useq "minimal" ; then
                exeinto "/etc/init.d"
                newexe "${FILESDIR}/mysql.rc6" "mysql"
                mysql_version_is_at_least "5.00.11.00" \
                && newexe "${FILESDIR}/mysqlmanager.rc6" "mysqlmanager"

                insinto "/etc/logrotate.d"
                newins "${FILESDIR}/logrotate.mysql" "mysql"

                # Empty directories ...
                diropts "-m0750"
                if [[ "${PREVIOUS_DATADIR}" != "yes" ]] ; then
                        dodir "${DATADIR}"
                        keepdir "${DATADIR}"
                        chown -R mysql:mysql "${D}/${DATADIR}"
                fi

                diropts "-m0755"
                for folder in "${MY_LOGDIR}" "/var/run/mysqld" ; do
                        dodir "${folder}"
                        keepdir "${folder}"
                        chown -R mysql:mysql "${D}/${folder}"
                done
        fi

        # Docs
        dodoc README COPYING ChangeLog EXCEPTIONS-CLIENT INSTALL-SOURCE

        # Minimal builds don't have the MySQL server
        if ! useq "minimal" ; then
                docinto "support-files"
                for script in \
                        support-files/my-*.cnf \
                        support-files/magic \
                        support-files/ndb-config-2-node.ini
                do
                        dodoc "${script}"
                done

                docinto "scripts"
                for script in scripts/mysql* ; do
                        [[ "${script%.sh}" == "${script}" ]] && dodoc "${script}"
                done
        fi

        ROOT="${D}" mysql_lib_symlinks
}

mysql_pkg_preinst() {
        enewgroup mysql 60 || die "problem adding 'mysql' group"
        enewuser mysql 60 -1 /dev/null mysql || die "problem adding 'mysql' user"
}

mysql_pkg_postinst() {
        # Make sure the vars are correctly initialized
        mysql_init_vars

        # Check FEATURES="collision-protect" before removing this
        [[ -d "${ROOT}/var/log/mysql" ]] \
                || install -d -m0750 -o mysql -g mysql "${ROOT}${MY_LOGDIR}"

        # Secure the logfiles
        touch "${ROOT}${MY_LOGDIR}"/mysql.{log,err}
        chown mysql:mysql "${ROOT}${MY_LOGDIR}"/mysql*
        chmod 0660 "${ROOT}${MY_LOGDIR}"/mysql*

        if ! useq "minimal" ; then
                # Your friendly public service announcement ...
                einfo
                elog "You might want to run:"
                elog "\"emerge --config =${CATEGORY}/${PF}\""
                elog "if this is a new install."
                einfo
                mysql_version_is_at_least "5.01.00.00" \
                || elog "InnoDB is *not* optional as of MySQL-4.0.24, at the request of upstream."
        fi
        mysql_check_version_range "4.0 to 5.0.99.99" \
        && useq "berkdb" \
        && elog "Berkeley DB support is deprecated and will be removed in future versions!"
}

mysql_pkg_config() {
        # Make sure the vars are correctly initialized
        mysql_init_vars

        [[ -z "${DATADIR}" ]] && die "Sorry, unable to find DATADIR"

        if built_with_use ${CATEGORY}/${PN} minimal ; then
                die "Minimal builds do NOT include the MySQL server"
        fi

        local pwd1="a"
        local pwd2="b"
        local maxtry=5

        if [[ -d "${ROOT}/${DATADIR}/mysql" ]] ; then
                ewarn "You have already a MySQL database in place."
                ewarn "(${ROOT}/${DATADIR}/*)"
                ewarn "Please rename or delete it if you wish to replace it."
                die "MySQL database already exists!"
        fi

        einfo "Creating the mysql database and setting proper"
        einfo "permissions on it ..."

        einfo "Insert a password for the mysql 'root' user"
        ewarn "Avoid [\"'\\_%] characters in the password"
        read -rsp "    >" pwd1 ; echo

        einfo "Retype the password"
        read -rsp "    >" pwd2 ; echo

        if [[ "x$pwd1" != "x$pwd2" ]] ; then
                die "Passwords are not the same"
        fi

        local options=""
        local sqltmp="$(emktemp)"

        local help_tables="${ROOT}${MY_SHAREDSTATEDIR}/fill_help_tables.sql"
        [[ -r "${help_tables}" ]] \
        && cp "${help_tables}" "${TMPDIR}/fill_help_tables.sql" \
        || touch "${TMPDIR}/fill_help_tables.sql"
        help_tables="${TMPDIR}/fill_help_tables.sql"

        pushd "${TMPDIR}" &>/dev/null
        "${ROOT}/usr/bin/mysql_install_db" | grep -B5 -A999 -i "ERROR"
        popd &>/dev/null
        [[ -f "${ROOT}/${DATADIR}/mysql/user.frm" ]] \
        || die "MySQL databases not installed"
        chown -R mysql:mysql "${ROOT}/${DATADIR}" 2> /dev/null
        chmod 0750 "${ROOT}/${DATADIR}" 2> /dev/null

        if mysql_version_is_at_least "4.1.3" ; then
                options="--skip-ndbcluster"

                # Filling timezones, see
                # http://dev.mysql.com/doc/mysql/en/time-zone-support.html
                "${ROOT}/usr/bin/mysql_tzinfo_to_sql" "${ROOT}/usr/share/zoneinfo" > "${sqltmp}" 2>/dev/null

                if [[ -r "${help_tables}" ]] ; then
                        cat "${help_tables}" >> "${sqltmp}"
                fi
        fi

        local socket="${ROOT}/var/run/mysqld/mysqld${RANDOM}.sock"
        local pidfile="${ROOT}/var/run/mysqld/mysqld${RANDOM}.pid"
        local mysqld="${ROOT}/usr/sbin/mysqld \
                ${options} \
                --user=mysql \
                --skip-grant-tables \
                --basedir=${ROOT}/usr \
                --datadir=${ROOT}/${DATADIR} \
                --skip-innodb \
                --skip-bdb \
                --skip-networking \
                --max_allowed_packet=8M \
                --net_buffer_length=16K \
                --socket=${socket} \
                --pid-file=${pidfile}"
        ${mysqld} &
        while ! [[ -S "${socket}" || "${maxtry}" -lt 1 ]] ; do
                maxtry=$((${maxtry}-1))
                echo -n "."
                sleep 1
        done

        # Do this from memory, as we don't want clear text passwords in temp files
        local sql="UPDATE mysql.user SET Password = PASSWORD('${pwd1}') WHERE USER='root'"
        "${ROOT}/usr/bin/mysql" \
                --socket=${socket} \
                -hlocalhost \
                -e "${sql}"

        einfo "Loading \"zoneinfo\", this step may require a few seconds ..."

        "${ROOT}/usr/bin/mysql" \
                --socket=${socket} \
                -hlocalhost \
                -uroot \
                -p"${pwd1}" \
                mysql < "${sqltmp}"

        # Stop the server and cleanup
        kill $(< "${pidfile}" )
        rm -f "${sqltmp}"
        einfo "Stopping the server ..."
        wait %1
        einfo "Done"
}

mysql_pkg_postrm() {
        : #mysql_lib_symlinks
}