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LU-5710 all: second batch of corrected typos and grammar errors
[fs/lustre-release.git] / contrib / lbuild / lbuild
index a39b36d..186118b 100755 (executable)
@@ -60,9 +60,6 @@ EXTRA_VERSION=
 STAGEDIR=
 TMPDIR=${TMPDIR:-"/var/tmp"}
 TIMESTAMP=
-# this is a dir to try reuse old kernel RPMs in (although, it seems to be
-# unused in any real manner
-REUSERPM=
 # this is the dir that should be used to store reuse products
 REUSEBUILD=
 # should cached products be used or force rebuilding?
@@ -70,11 +67,11 @@ USE_BUILD_CACHE=true
 # what does this do exactly?  does it imply no kernel build?
 NORPM=false
 IOKITRPM=true
-LDISKFSRPM=true
 OSDLDISKFSRPM=true
 OSDZFSRPM=false
 SMPTYPES="smp bigsmp default ''"
 PATCHLESS=false
+WITH_ZFS=""
 XEN=false
 LINUXOBJ=
 DISTRO=
@@ -138,9 +135,6 @@ Usage: ${0##*/} [OPTION]... [-- <lustre configure options>]
   --timestamp=TIMESTAMP
     Date of building lustre in format YYYYMMDDhhmmss
 
-  --reuserpm=DIR
-    Try to reuse old kernel RPMs from DIR
-
   --reusebuild=DIR
     Try to reuse old kernel builds from DIR
 
@@ -175,14 +169,14 @@ Usage: ${0##*/} [OPTION]... [-- <lustre configure options>]
     Path to an existing lustre source tarball to use.
 
   --nodownload
-    Do not try to download a kernel from downloads.lustre.org
+    Do not try to download a kernel from downloads.hpdd.intel.com
 
   --nosrc
     Do not build a .src.rpm, a full kernel patch, or a patched kernel
     tarball.
 
   --ldiskfs
-    Do ldiskfs RPM. Now true by default
+    Build with ldiskfs support. (Deprecated, always true)
 
   --noiokit
     Do not build lustre-iokit RPM. Now true by default
@@ -194,6 +188,9 @@ Usage: ${0##*/} [OPTION]... [-- <lustre configure options>]
     Specifies that the files generated do not include timestamps, and
     that this is an official release.
 
+  --disable-zfs
+    Build Lustre without ZFS.
+
   --src
     Build a .src.rpm, a full kernel patch, and a patched kernel tarball.
 
@@ -262,11 +259,18 @@ canon_path() {
 
 check_options() {
 
-    if [ -z "$LUSTRE" -o ! -r "$LUSTRE"]; then
+    if [ -z "$LUSTRE" -o ! -r "$LUSTRE" ]; then
         usage 1 "Could not find Lustre source tarball '$LUSTRE'."
     fi
 
-    [ -z "$DISTRO" ] && DISTRO=$(autodetect_distro)
+    if [ -z "$DISTRO" ] ; then
+        DISTRO=$(autodetect_distro)
+        # remove separator
+        DISTRO=${DISTRO/-/}
+    fi
+    DISTROMAJ=${DISTRO%%.*}
+
+    [ -z "$TARGET" ] && TARGET=$(autodetect_target "$DISTRO")
 
     if [ -z "$LINUX" ]; then
         [ "$KERNELDIR" -o "$KERNELTREE" ] || \
@@ -275,14 +279,16 @@ check_options() {
         [ -d "$KERNELDIR" -o -d "$KERNELTREE" ] || \
             usage 1 "$KERNELDIR and $KERNELTREE are not a directory."
 
-        [ "$TARGET" ] || TARGET=$(autodetect_target "$DISTRO")
 #       TARGET_FILE="$TOPDIR/lustre/kernel_patches/targets/$TARGET.target"
 #       [ -r "$TARGET_FILE" ] || \
 #               usage 1 "Target '$TARGET' was not found."
     fi
 
     case $TARGET in
-        2.6-rhel6)
+        3.10-rhel7)
+            CANONICAL_TARGET="rhel7"
+            ;;
+        2.6-rhel6*)
             CANONICAL_TARGET="rhel6"
             ;;
         2.6-rhel5)
@@ -396,13 +402,21 @@ fetch_url() {
     local url="$1"
     local target="$2"
 
+    if [ -z "$target" ]; then
+        fatal 1 "fetch_url() called without a target to fetch to"
+    fi
+
+    if [ -d $target ]; then
+        target+="/${url##*/}"
+    fi
+
     local rc=0
     if which wget >/dev/null 2>&1; then
         if ! wget -nv "$url" -O "$target"; then
             rc=${PIPESTATUS[0]}
         fi
     elif which curl >/dev/null 2>&1; then
-        if ! curl -L -s -o "$target" "$url"; then
+        if ! curl -n -L -s -o "$target" "$url"; then
             rc=${PIPESTATUS[0]}
         fi
     else
@@ -421,7 +435,7 @@ download_srpm() {
     if $force || [ ! -r "$KERNELDIR/$srpm" ] ||
        [ ! -s "$KERNELDIR/$srpm" ]; then
         if $DOWNLOAD; then
-            local location="http://downloads.lustre.org/public/kernels/$target/old"
+            local location="https://downloads.hpdd.intel.com/public/kernels/$target/old"
             # get the location from a distro specific method if it exists
             if type -p kernel_srpm_location; then
                 location=$(kernel_srpm_location)
@@ -431,11 +445,11 @@ download_srpm() {
                [ ! -s "$KERNELDIR/$srpm" ]; then
                 rm -f $KERNELDIR/$srpm
                 # punt to a distro specific method if it exists
-                if ! type -p download_srpm-$DISTRO; then
+                if ! type -p download_srpm-$DISTROMAJ; then
                     fatal 1 "Could not download target $target's kernel SRPM $srpm from $location."
                 else
-                    if ! download_srpm-$DISTRO "$target" "$srpm" "$force"; then
-                        fatal 1 "Could not download target $target's kernel SRPM $srpm using download_srpm-$DISTRO."
+                    if ! download_srpm-$DISTROMAJ "$target" "$srpm" "$force"; then
+                        fatal 1 "Could not download target $target's kernel SRPM $srpm using download_srpm-$DISTROMAJ."
                     fi
                 fi
             fi
@@ -537,22 +551,21 @@ download_ofed() {
         OFED_BASE_VERSION=${OFED_VERSION%.*}
     fi
 
-    local location="http://www.openfabrics.org/downloads/OFED/ofed-${OFED_BASE_VERSION}/"
+    local location="https://www.openfabrics.org/downloads/OFED/ofed-${OFED_BASE_VERSION}/"
 
-    if [[ $OFED_VERSION = *-rc[0-9] ]]; then
+    if [[ $OFED_VERSION = *-[rR][cC][0-9] ]]; then
         local Mmv
-        Mmv=${OFED_VERSION%%-*}
-        location="http://www.openfabrics.org/downloads/OFED/ofed-${Mmv}/"
+        Mmv=${OFED_VERSION%%-[rR][cC][0-9]}
+        location="https://www.openfabrics.org/downloads/OFED/ofed-${Mmv}/"
     fi
 
     if [[ $OFED_VERSION = daily-* ]]; then
-        local Mmv daily
-        OFED_VERSION=${OFED_VERSION/daily-/}
-        Mmv=${OFED_VERSION%%-*}
+        local Mmv
+        Mmv=${OFED_VERSION/daily-/}
         daily=${OFED_VERSION##$Mmv-}
-        location="http://www.openfabrics.org/downloads/OFED/ofed-${Mmv}-daily/"
+        location="https://www.openfabrics.org/downloads/OFED/ofed-${Mmv}-daily/"
         # find the filename for the version for the date specified
-        OFED_VERSION=$(curl -s "$location" | sed -nre "/${daily}-/s/.*href=\"OFED-(${Mmv//./\\.}-${daily}-[0-9]{4,4}).tgz.*$/\1/p" | tail -1)
+        OFED_VERSION=$(curl -s "$location" | sed -nre "/${Mmv}-/s/.*href=\"OFED-(${Mmv}-[0-9]{8,8}-[0-9]{4,4}).tgz.*$/\1/p" | tail -1)
         if [ -z "$OFED_VERSION" ]; then
             fatal 1 "Could not determine the filename of the OFED snapshot for ${daily}"
         fi
@@ -563,6 +576,109 @@ download_ofed() {
 
 }
 
+parse_mpss_info() {
+    local file="$1"
+    local build="$2"
+    local distro="$3"
+
+    [ -r "$file" ] || fatal 1 "Could not find MPSS info file"
+
+    # convert to MPSS distro naming
+    distro=${distro/sles/suse}
+    distro_name=${distro%%-*}
+
+    # extract links from MPSS info file
+    local urls=$(cat "$file" | \
+        tr -d '\t\r\n' | sed -e 's?\(</[a-zA-Z]*>\)?\1\n?g' | \
+        grep '.intel.com/' | \
+        sed -e 's/^.*[hH][rR][eE][fF]="\([^>"]\+\)".*$/\1/g' | \
+        grep '.tar')
+    local res2=""
+    local res3=""
+    for url in $urls; do
+        local ver2=""
+        local ver3=""
+        # Try to match with MPSS 3.3 package
+        if [[ $url =~ mpss-[0-9].[0-9](.[0-9]*)?-linux.tar ]]; then
+            ver3=${url##*mpss-}
+            ver3=${ver3%%-linux.tar}
+        # Try to match with MPSS 3.x or 3.x.x distro package
+        elif [[ $url =~ mpss-[0-9].[0-9](.[0-9]*)?-$distro.tar ]]; then
+            ver3=${url##*mpss-}
+            ver3=${ver3%%-$distro.tar}
+        # Try to match with MPSS 3.x or 3.x.x source package
+        elif [[ $url =~ mpss-src-[0-9].[0-9](.[0-9]*)?.tar ]]; then
+            ver3=${url##*mpss-src-}
+            ver3=${ver3%%.tar}
+        # Try to match with MPSS 3.x or 3.x.x cross compiler package
+        elif [[ $url =~ mpss-[0-9].[0-9](.[0-9]*)?-k1om.tar ]]; then
+            ver3=${url##*mpss-}
+            ver3=${ver3%%-k1om.tar}
+        # Try to match with MPSS 2.1.x source package
+        elif [[ $url =~ _src-[0-9].[0-9].[0-9]*-[0-9]*_$distro_name.tar ]]; then
+            ver2=${url##*_src-}
+            ver2=${ver2%%_$distro_name.tar}
+        fi
+
+        if [ -n "$ver3" ]; then
+            ver3="${ver3}-0"
+            if [ -z "$build" ]; then
+                res3="$ver3"
+            elif [ "${build%%-*}" = "${ver3%%-*}" ]; then
+                res3="$res3 $url"
+            fi
+        elif [ -n "$ver2" ]; then
+            if [ -z "$build" ]; then
+                res2="$ver2"
+            elif [ "$build" = "$ver2" ]; then
+                res2="$res2 $url"
+            fi
+        fi
+
+    done
+
+    if [ -z "$build" ]; then
+        # return a last version of MPSS
+        if [ -n "$res3" ]; then
+            echo "$res3"
+        else
+            echo "$res2"
+        fi
+    elif [ "${build%%.*}" = "3" ]; then
+        # return URLs from MPSS info file
+        echo "$res3"
+    else
+        # return URLs from MPSS info file
+        echo "$res2"
+    fi
+}
+
+# Get public information about last releases of
+# Intel Manycore Platform Software Stack (MPSS)
+download_mpss_info() {
+    local file="$1"
+    local force="${2:-true}"
+    local url=${MPSS_URL:-"http://software.intel.com/en-us/articles/intel-manycore-platform-software-stack-mpss"}
+
+    download_file "$url" "$file" "$force"
+}
+
+download_mpss() {
+    local file="$1"
+    local force="${2:-false}"
+    local urls=$(parse_mpss_info "$file" ${MPSS_VERSION} ${MPSS_DISTRO})
+
+    [ -z "$urls" ] && return 0
+
+    local url
+    local i=0
+    for url in $urls; do
+        file="$KERNELTREE/mpss_src-${MPSS_VER}-${MPSS_BLD}-${MPSS_DISTRO}-part$i.tar"
+        download_file "$url" "$file" "$force"
+        i=$((i+1))
+    done
+}
+
 load_target() {
 
     EXTRA_VERSION_save="$EXTRA_VERSION"
@@ -594,7 +710,7 @@ load_target() {
     #       go away and the target just specify the $RPMSMPTYPE
     [ -z "$RPMSMPTYPE" ] && set_rpm_smp_type
 
-    # CC might have been overwriten in TARGET_FILE
+    # CC might have been overwritten in TARGET_FILE
     if [[ $CC != ccache\ * ]] && which "$CCACHE" &>/dev/null; then
         export CCACHE && export CC="ccache $CC"
     fi
@@ -621,7 +737,7 @@ load_target() {
     fi
 
     if [ -f $TOPDIR/lustre/lustre/kernel_patches/kernel_configs/kernel-$lnxmaj-$TARGET-$TARGET_ARCH.config ]; then
-        CONFIG_FILE="$TOPDIR/lustre/lustre/kernel_patches/kernel_configs/kernel-$lnxmaj-$TARGET$XENPOSTFIX-$TARGET_ARCH${RPMSMPTYPE:+-}${RPMSMPTYPE}.config"
+        CONFIG_FILE="$TOPDIR/lustre/lustre/kernel_patches/kernel_configs/kernel-$lnxmaj-$TARGET$XENPOSTFIX-$TARGET_ARCH.config"
     fi
 
     local lnxrelnew=${lnxrel//-/_}
@@ -666,18 +782,19 @@ load_target() {
 tarflags() {
     local file="$1"
 
+    echo -n '--wildcards '
     case "$file" in
         '')
             fatal 1 "tarflags(): File name argument missing."
             ;;
         *.tar.gz | *.tgz)
-            echo 'zxf'
+            echo '-zxf'
             ;;
         *.tar.bz2)
-            echo 'jxf'
+            echo '-jxf'
             ;;
         *.tar)
-            echo 'xf'
+            echo '-xf'
             ;;
         *)
             fatal 1 "tarflags(): Unrecognized tar extension in file: $1"
@@ -712,6 +829,73 @@ unpack_lustre() {
 
 }
 
+unpack_mpss() {
+
+    [ -d mpss ] && return 0
+
+    if [ "$MPSS_MAJ" = "3" ]; then
+        local file
+        local i
+        for i in $(seq 0 9); do
+            file="$KERNELTREE/mpss_src-${MPSS_VER}-${MPSS_BLD}-${MPSS_DISTRO}-part$i.tar"
+            if [ -r "$file" ]; then
+                untar "$file" \
+                    "mpss-$MPSS_VER/*/linux-*.tar.bz2" \
+                    "mpss-$MPSS_VER/*/kernel-dev-*.rpm" \
+                    "mpss-$MPSS_VER/*/ofed-driver-devel-*.rpm" \
+                    "mpss-$MPSS_VER/*/ofed-driver-*-devel-*.rpm"
+            fi
+        done
+        # Extract kernel configs
+        file=$(find mpss-$MPSS_VER -type f -path "*/kernel-dev-*.rpm" -print -quit)
+        if ! rpm2cpio "$file" | cpio -idm; then
+            echo "Error extracting MPSS kernel configs"
+            return 1
+        fi
+        # Unpack kernel sources
+        file=$(find mpss-$MPSS_VER -type f -path "*/linux-*.tar.bz2" -print -quit)
+        if ! untar "$file"; then
+            echo "Error unpacking MPSS kernel sources"
+            return 1
+        fi
+        # Extract OFED headers
+        file=$(find mpss-$MPSS_VER -type f -path "*/ofed-driver-*-devel-*.rpm" -print -quit)
+        if ! rpm2cpio "$file" | cpio -idm; then
+            # Name was changed in MPSS 3.3
+            file=$(find mpss-$MPSS_VER -type f -path "*/ofed-driver-devel-*.rpm" -print -quit)
+            if ! rpm2cpio "$file" | cpio -idm; then
+                echo "Error extracting MPSS OFED headers"
+                return 1
+            fi
+        fi
+        # Remove unpacked archives to save space
+        rm -rf mpss-$MPSS_VER
+        # Make link to MPSS kernel sources
+        ln -sf linux-* mpss
+    else
+        local dir="mpss-${MPSS_VER}-${MPSS_BLD}-${MPSS_DISTRO%%-*}"
+
+        mkdir $dir || return 255
+        pushd $dir >/dev/null || return 255
+        if ! untar "$KERNELTREE/mpss_src-${MPSS_VER}-${MPSS_BLD}-${MPSS_DISTRO}-part0.tar" "*/gpl/*full_src*"; then
+            popd >/dev/null
+            rm -rf $dir
+            echo "Error unpacking MPSS tarball 1"
+            return 1
+        fi
+        local file=$(find . -type f -path "*/gpl/*full_src*")
+        if ! untar "$file"; then
+            popd >/dev/null
+            rm -rf $dir
+            echo "Error unpacking MPSS tarball 2"
+            return 1
+        fi
+        popd >/dev/null
+        ln -sf $dir mpss
+    fi
+
+}
+
 do_patch_linux() {
 
     local do_patch=${1:-true}
@@ -749,39 +933,6 @@ do_patch_linux() {
 
 }
 
-build_iokit() {
-    local rpmbuildopt="$1"
-
-    pushd lustre-iokit > /dev/null || return 255
-
-    if ! ./configure; then
-        echo "failed to configure in lustre-iokit"
-        popd >/dev/null # pushd lustre-iokit
-        return 255
-    fi
-
-    if ! make dist; then
-        echo "failed to make dist in lustre-iokit"
-        popd >/dev/null # pushd lustre-iokit
-        return 255
-    fi
-
-    if ! $RPMBUILD $rpmbuildopt lustre-iokit*.tar.gz \
-        --define "_tmppath /var/tmp" \
-        --define "_topdir $TOPDIR" 2>&1; then
-        popd >/dev/null # pushd lustre-iokit
-        return 255
-    fi
-
-    if $DO_SRC && ! $RPMBUILD -ts lustre-iokit*.tar.gz \
-            --define "_tmppath /var/tmp" \
-            --define "_topdir $TOPDIR" 2>&1; then
-            popd >/dev/null # pushd lustre-iokit
-            return 255
-    fi
-    popd >/dev/null # pushd lustre-iokit
-}
-
 build_lustre() {
     local linux="$1"
     local linuxobj="$2"
@@ -790,18 +941,17 @@ build_lustre() {
 
     pushd lustre >/dev/null
 
+    if ! build_lustre_dkms; then
+        popd >/dev/null # pushd lustre
+        return 255
+    fi
+
     echo "Building Lustre RPMs for: $BUILD_ARCHS..."
     local targets arch
     for arch in $BUILD_ARCHS; do
         targets="--target $arch $targets"
     done
 
-    local confoptions=""
-
-    if $PATCHLESS; then
-        confoptions="$confoptions --disable-server"
-    fi
-
     local rpmbuildopt='-tb'
     if $NORPM; then
         rpmbuildopt='-tc'
@@ -812,86 +962,27 @@ build_lustre() {
     # These are required prior to the building of lustre server. Client does
     # not require spl/zfs. Use !PATCHLESS to indicate server which follows the
     # line above so is at least consistant.
-    if [ $PATCHLESS == false ] && [ "x$ZFSNOTSUPPORTED" == "x" ]; then
+    if [ $PATCHLESS == false ] && [ "x$WITH_ZFS" == "x" ]; then
         if ! build_spl_zfs; then
             popd >/dev/null # pushd lustre
             return 255
         fi
     fi
 
-    ( $(skeep_ldiskfs_rpm) ) || {
-
-        pushd ldiskfs > /dev/null || return 255
-
-        if !  ./configure --enable-dist; then
-            echo "failed to configure in ldiskfs"
-            popd >/dev/null # pushd ldiskfs
-            popd >/dev/null # pushd lustre
-            return 255
-        fi
-
-        if ! make dist 2>&1; then
-            popd >/dev/null # pushd ldiskfs
-            popd >/dev/null # pushd lustre
-            return 255
-        fi
-
-        #cp lustre-ldiskfs*.tar.gz $TOPDIR/SOURCES || \
-        #    fatal 1 "Could not copy lustre-ldiskfs*.tar.gz to $TOPDIR/SOURCES"
-
-        if ! $RPMBUILD $targets $rpmbuildopt lustre-ldiskfs*.tar.gz \
-            --define "configure_args $confoptions ${CONFIGURE_FLAGS}" \
-            --define "kdir $linux" \
-            ${linuxobj:+--define "kobjdir $linuxobj"} \
-            --define "_tmppath /var/tmp" \
-            --define "_topdir $TOPDIR" 2>&1; then
-            popd >/dev/null # pushd ldiskfs
-            popd >/dev/null # pushd lustre
-            return 255
-        fi
-
-        if $DO_SRC; then
-            if ! $RPMBUILD -ts lustre-ldiskfs*.tar.gz \
-                --define "configure_args $confoptions ${CONFIGURE_FLAGS}" \
-                --define "kdir $linux" \
-                ${linuxobj:+--define "kobjdir $linuxobj"} \
-                --define "_tmppath /var/tmp" \
-                --define "_topdir $TOPDIR" 2>&1; then
-                popd >/dev/null # pushd ldiskfs
-                popd >/dev/null # pushd lustre
-                return 255
-            fi
-        fi
-        popd >/dev/null # pushd ldiskfs
-
-        # tell lustre where ldiskfs is
-        # XXX - pointing to the RPM BUILD dir is a hack.  we need to flesh
-        #       out the ldiskfs RPM build so that it builds a
-        #       lustre-ldiskfs-devel RPM and install that and point lustre
-        #       to that instead
-        confoptions="$confoptions --with-ldiskfs=$(ls -d $TOPDIR/BUILD/lustre-ldiskfs-*)"
-    }
-
-    if $IOKITRPM; then
-        if ! build_iokit $rpmbuildopt; then
-            echo "failed to build lustre-iokit"
-            popd >/dev/null # pushd lustre
-            return 255
-        fi
-    fi
-
-    # convert the $PATCHLESS boolean to an empty/not-empty boolean
-    # as silly as this seems, it makes the syntax of the rpmbuild command
-    # simpler and not need an eval to deal with the quotes in the quotes
-    local is_patchless=""
     if $PATCHLESS; then
-        is_patchless="yes"
+        RPMBUILD_DEFS="$RPMBUILD_DEFS --without servers"
+        if [ -n "$CROSS_SUFFIX" ]; then
+            RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"lustre_name lustre-client$CROSS_SUFFIX\""
+        fi
     fi
 
     # ditto for the lustre-tests boolean
-    local lustre_tests=""
     if ! $LUSTRE_TESTS; then
-        lustre_tests="no"
+        RPMBUILD_DEFS="$RPMBUILD_DEFS --without lustre_tests"
+    fi
+
+    if ! $IOKITRPM; then
+        RPMBUILD_DEFS="$RPMBUILD_DEFS --without lustre_iokit"
     fi
 
     local osd_zfs=""
@@ -904,30 +995,21 @@ build_lustre() {
         osd_ldiskfs="yes"
     fi
 
-    $RPMBUILD $targets $rpmbuildopt "$LUSTRE" \
-        ${is_patchless:+--define "lustre_name lustre-client"} \
-        ${lustre_tests:+--define "build_lustre_tests 0"} \
-        ${osd_zfs:+--define "build_lustre_osd_zfs 1"} \
-        ${osd_ldiskfs:+--define "build_lustre_osd_ldiskfs 1"} \
-        ${FIND_REQUIRES:+--define "__find_requires $FIND_REQUIRES"} \
-        --define "configure_args $confoptions ${CONFIGURE_FLAGS}" \
-        --define "kdir $linux" \
-        ${linuxobj:+--define "kobjdir $linuxobj"} \
-        --define "_tmppath $TMPDIR" \
-        --define "_topdir $TOPDIR" 2>&1 || \
+    RPMBUILD_DEFS="$RPMBUILD_DEFS ${FIND_REQUIRES:+--define \"__find_requires $FIND_REQUIRES\"}"
+    RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"configure_args ${CONFIGURE_FLAGS}\""
+    RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"kdir $linux\""
+    RPMBUILD_DEFS="$RPMBUILD_DEFS ${linuxobj:+--define \"kobjdir $linuxobj\"}"
+    RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"_tmppath $TMPDIR\""
+    RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"_topdir $TOPDIR\""
+
+    eval $RPMBUILD $targets $rpmbuildopt "$LUSTRE" $RPMBUILD_DEFS \
+        ${osd_zfs:+--with zfs} \
+        ${osd_ldiskfs:+--with ldiskfs} 2>&1 || \
         fatal 1 "Error building rpms for $BUILD_ARCHS."
 
     if $DO_SRC; then
-        if ! $RPMBUILD -ts "$LUSTRE" \
-                 ${is_patchless:+--define "lustre_name lustre-client"} \
-                 ${lustre_tests:+--define "build_lustre_tests 0"} \
-                 ${FIND_REQUIRES:+--define "__find_requires $FIND_REQUIRES"} \
-                 --define "configure_args $confoptions ${CONFIGURE_FLAGS}" \
-                 --define "kdir $linux" \
-                 ${linuxobj:+--define "kobjdir $linuxobj"} \
-                 --define "_tmppath $TMPDIR" \
-                 --define "_topdir $TOPDIR" 2>&1; then
-            popd
+        if ! eval $RPMBUILD -ts "$LUSTRE" $RPMBUILD_DEFS 2>&1; then
+            popd >/dev/null
             return 255
         fi
     fi
@@ -935,6 +1017,16 @@ build_lustre() {
 
 }
 
+build_lustre_dkms() {
+    [ -n "$MPSS_VERSION" ] && return 0
+    local ver=$(eval echo  $(awk '/LUSTRE_VERSION_STRING/ {print $3}'  lustre/include/lustre_ver.h))
+    echo "Building Lustre DKMS RPMs for: $BUILD_ARCHS..."
+    ./configure --enable-dist || return 255
+    $RPMBUILD --define="_topdir $TOPDIR" -bs lustre-dkms.spec || return 255
+    $RPMBUILD --rebuild --define="_topdir $TOPDIR" $TOPDIR/SRPMS/lustre-dkms-$ver-*.src.rpm || return 255
+    return 0
+}
+
 ###
 # build_spl_zfs
 #
@@ -955,8 +1047,8 @@ build_spl_zfs() {
     # The spl/zfs spec files expect RPM_BUILD_ROOT to point to the root of the
     # destination for the rpms
     export RPM_BUILD_ROOT=$TOPDIR
-    SPLZFSVER=${SPLZFSVER:-0.6.1}
-    SPLZFSTAG=${SPLZFSTAG:-lustre-zfs}
+    SPLZFSVER=${SPLZFSVER:-0.6.3-1.2}
+    SPLZFSTAG=${SPLZFSTAG:-}
 
     # The files expect a kver to be set to the kernel version .
     local kver=$(find_linux_release)
@@ -974,24 +1066,24 @@ build_spl_zfs() {
         git clone ${SPLZFSGITREPO:-"https://github.com/zfsonlinux"}/$pkg.git $pkg 2>&1
 
         pushd $pkg || return 255
-       if [ -n "$SPLZFSTAG" ]; then
-           git checkout $SPLZFSTAG
-       else
-           git checkout -b lbuild $pkg-$SPLZFSVER
-       fi
-
-       # This differentiates between older zfs versions
-       if [ -f $pkg-modules.spec.in ]; then
-           rpmpkg=$pkg-modules
-           specdir=.
-           speclist="$pkg.spec $rpmpkg.spec"
-       else
+        if [ -n "$SPLZFSTAG" ]; then
+            git checkout $SPLZFSTAG
+        else
+            git checkout -b lbuild $pkg-$SPLZFSVER
+        fi
+
+        # This differentiates between older zfs versions
+        if [ -f $pkg-modules.spec.in ]; then
+            rpmpkg=$pkg-modules
+            specdir=.
+            speclist="$pkg.spec $rpmpkg.spec"
+        else
             rpmpkg=kmod-$pkg-devel
-           specdir=rpm/generic
-           speclist="$pkg.spec $pkg-kmod.spec $pkg-dkms.spec"
-       fi
+            specdir=rpm/generic
+            speclist="$pkg.spec $pkg-kmod.spec $pkg-dkms.spec"
+        fi
 
-       sh autogen.sh || return 255
+        sh autogen.sh || return 255
 
         if  ! ./configure --with-linux=${LINUX} --with-linux-obj=${LINUXOBJ:-$LINUX} \
                           ${spldir:+--with-spl="${spldir}"} 2>&1 ||
@@ -1003,40 +1095,36 @@ build_spl_zfs() {
 
         ln -f $pkg/$pkg-*.tar.gz $TOPDIR/SOURCES ||
            error "failed to link $pkg/$pkg-*.tar.gz into $TOPDIR/SOURCES"
-       if [ -f $pkg/scripts/kmodtool ]; then
-           ln -f $pkg/scripts/kmodtool $TOPDIR/SOURCES/
-       fi
-
-       local rpmb
-       if $DO_SRC; then
-           rpmb=-ba
-       else
-           rpmb=-bb
-       fi
-
-       # set search dir for our own kmodtool to find correct
-       # directories
-       export KERNELSOURCE=$(dirname ${LINUX})
-       # Manually build rpms
-       for spec in $speclist; do
-           echo "Building RPMs from $pkg/$specdir/$spec"
+        if [ -f $pkg/scripts/kmodtool ]; then
+            ln -f $pkg/scripts/kmodtool $TOPDIR/SOURCES/
+        fi
+
+        local rpmb
+        if $DO_SRC; then
+            rpmb=-ba
+        else
+            rpmb=-bb
+        fi
+
+        # set search dir for our own kmodtool to find correct
+        # directories
+        export KERNELSOURCE=$(dirname ${LINUX})
+        # Manually build rpms
+        for spec in $speclist; do
+            echo "Building RPMs from $pkg/$specdir/$spec"
             if ! $RPMBUILD $rpmb $pkg/$specdir/$spec \
-               --nodeps -v \
-               --define "require_kdir ${LINUX}" \
-               ${LINUXOBJ:+--define "require_kobj ${LINUXOBJ}"} \
-               ${spldir:+--define "require_spldir ${spldir}"} \
-               --define "kver $kver" \
-               --define "kernels $kver" \
-               --define "_tmppath /var/tmp" \
-               --define "kernelbuildroot $TOPDIR/reused" \
-               --define "_topdir $TOPDIR" 2>&1; then
-               return 255
+                --nodeps -v \
+                --define "require_kdir ${LINUX}" \
+                ${LINUXOBJ:+--define "require_kobj ${LINUXOBJ}"} \
+                ${spldir:+--define "require_spldir ${spldir}"} \
+                --define "kver $kver" \
+                --define "kernels $kver" \
+                --define "_tmppath /var/tmp" \
+                --define "kernelbuildroot $TOPDIR/reused" \
+                --define "_topdir $TOPDIR" 2>&1; then
+                return 255
             fi
-       done
-
-#      $DO_SRC && mv $pkg*.src.rpm $TOPDIR/SRPMS/
-#      mv $pkg*.noarch.rpm $TOPDIR/RPMS/noarch/
-#      mv *$pkg*.$TARGET_ARCH.rpm $TOPDIR/RPMS/$(basearch $TARGET_ARCH)/
+        done
 
         # We have built the rpms for the package. Now we need to extract the
         # contained files so we can build further things against them
@@ -1044,10 +1132,26 @@ build_spl_zfs() {
 
         # cpio only extract to pwd so we need to go there.
         pushd $TOPDIR
-       local rpm
-       for rpm in $rpms; do
+        local rpm
+        for rpm in $rpms; do
             rpm2cpio $rpm | cpio -id
-       done
+        done
+
+        if [ "$pkg" == "zfs" ]; then
+            # We also need to extract both the zfs and zfs-devel rpms
+            # the zfs rpm is needed because it has the actual libraries in
+            # it and the zfs-devel rpm only has unversioned symlinks to the
+            # libraries in the zfs rpm
+            # this will all change one day when we have a libzfs rpm per
+            # https://github.com/zfsonlinux/zfs/issues/2329
+            # and it looks like it could be one day soon:
+            # https://github.com/zfsonlinux/zfs/pull/2341
+            local devel_rpms=$(ls -1 $TOPDIR/RPMS/*/{$pkg-devel,$pkg-$SPLZFSVER,lib*}-*.rpm)
+            for rpm in $devel_rpms; do
+                rpm2cpio $rpm | cpio -id
+            done
+            CONFIGURE_FLAGS="--with-$pkg-devel=$TOPDIR ${CONFIGURE_FLAGS}"
+        fi
         popd
 
         CONFIGURE_FLAGS="--with-$pkg=$(ls -d $TOPDIR/usr/src/$pkg-*/|tail -1) ${CONFIGURE_FLAGS}"
@@ -1059,6 +1163,34 @@ build_spl_zfs() {
     return 0
 }
 
+prepare_mpss() {
+
+    pushd mpss >/dev/null || return 255
+    if [ "$MPSS_MAJ" = "3" ]; then
+        cp -f ../boot/config-* .config
+        if ! make ARCH=k1om silentoldconfig ; then
+            popd >/dev/null
+            return 1
+        fi
+        if ! make ARCH=k1om modules_prepare ; then
+            popd >/dev/null
+            return 1
+        fi
+        cp -f ../boot/Module.symvers-* Module.symvers
+    else
+        if ! make defconfig-miclinux; then
+            popd >/dev/null
+            return 1
+        fi
+        if ! make -C card/kernel ARCH=k1om modules_prepare ; then
+            popd >/dev/null
+            return 1
+        fi
+    fi
+    popd >/dev/null
+
+}
+
 stage() {
 
     [ "$STAGEDIR" ] || return 0
@@ -1077,20 +1209,6 @@ stage() {
 
 }
 
-#check if we need to build separate ldiskfs RPM
-skeep_ldiskfs_rpm() {
-    local skip=false
-
-    if ! $LDISKFSRPM; then
-        skip=true
-    elif $PATCHLESS; then
-        skip=true
-    fi
-
-    echo $skip
-
-}
-
 set_rpm_smp_type() {
 
     local infact_arch="${TARGET_ARCH}"
@@ -1157,8 +1275,8 @@ unpack_linux_devel_rpm() {
     fi
 
     # call a distro specific hook, if available
-    if type -p unpack_linux_devel_rpm-$DISTRO; then
-        if ! unpack_linux_devel_rpm-$DISTRO "$kernelrpm"; then
+    if type -p unpack_linux_devel_rpm-$DISTROMAJ; then
+        if ! unpack_linux_devel_rpm-$DISTROMAJ "$kernelrpm"; then
             return 255
         fi
     fi
@@ -1183,13 +1301,13 @@ build_kernel_ib() {
         K_SRC="KSRC"
     fi
 
-    local OFED_CORE="--with-core-mod --with-ipoib-mod --with-sdp-mod --with-user_mad-mod --with-user_access-mod --with-addr_trans-mod"
-    local OFED_HARDWARE="--with-mthca-mod --with-mlx4-mod --with-mlx4_en-mod --with-cxgb3-mod --with-nes-mod"
+    local OFED_CORE="--with-core-mod --with-ipoib-mod --with-user_mad-mod --with-user_access-mod --with-addr_trans-mod"
+    local OFED_HARDWARE="--with-mthca-mod --with-mlx4-mod --with-mlx4_en-mod --with-cxgb3-mod --with-nes-mod --with-qib-mod"
 
     if compare_version $OFED_VERSION 3.0; then
        OFED_CORE="$OFED_CORE --with-madeye-mod --with-rds-mod"
     else
-       OFED_HARDWARE="$OFED_HARDWARE --with-cxgb4-mod"
+       OFED_HARDWARE="$OFED_HARDWARE --with-mlx5-mod --with-cxgb4-mod --with-ocrdma-mod --with-qib-mod"
     fi
 
     # some I/B drivers are architecture dependent and kernel-ib's configure
@@ -1213,12 +1331,12 @@ build_kernel_ib() {
     local SOURCE="${TOPDIR}/OFED/SRPMS/${kib_prefix}-*.src.rpm"
 
     # but switch to building from the SPEC if we need to apply patches
-    if ls ${TOPDIR}/lustre/build/patches/ofed/* >/dev/null; then
+    if ls ${TOPDIR}/lustre/contrib/patches/ofed/* >/dev/null; then
         BUILD_TYPE="-bb"
         rpm --define "_topdir ${TOPDIR}" -ivh $SOURCE
         SOURCE="${TOPDIR}/SPECS/${kib_prefix}.spec"
         local file ed_fragment1 ed_fragment2 n=1
-        for file in $(ls ${TOPDIR}/lustre/build/patches/ofed/*.patch); do
+        for file in $(ls ${TOPDIR}/lustre/contrib/patches/ofed/*.patch); do
             ed_fragment1="$ed_fragment1
 Patch$n: ${file%%*/}"
             ed_fragment2="$ed_fragment2
@@ -1226,9 +1344,9 @@ Patch$n: ${file%%*/}"
             cp $file ${TOPDIR}/SOURCES
             let n=$n+1
         done
-        for file in $(ls ${TOPDIR}/lustre/build/patches/ofed/*.ed); do
+        for file in $(ls ${TOPDIR}/lustre/contrib/patches/ofed/*.ed); do
             # Only apply the ed-scripts that should be used for the canonical target
-            # ed-files in ${TOPDIR}/lustre/build/patches/ofed/ have to follow the naming
+            # ed-files in ${TOPDIR}/lustre/contrib/patches/ofed/ have to follow the naming
             # convention
             # <two-digits>-<descriptive-name>:<canonical_target_1>: ...:<canonical_target_N>.ed
             # To apply the same change to multiple canonical target simply specify
@@ -1420,8 +1538,11 @@ build_kernel_with_srpm() {
     if $USE_BUILD_CACHE && [ -n "$REUSEBUILD" ]; then
         local REUSE_SIGNATURE=$({ echo -en $release_str;
                                   echo $BUILD_GEN;
-                                  cat $CONFIG_FILE $TARGET_FILE $FULL_PATCH;
-                                  cat ${0%/lbuild}/lbuild ${0%/lbuild}/lbuild-${DISTRO}; } |
+                                  cat "$CONFIG_FILE";
+                                  cat "$TARGET_FILE";
+                                  cat "$FULL_PATCH";
+                                  cat "$LBUILD_DIR/lbuild";
+                                  cat "$LBUILD_DIR/lbuild-$DISTROMAJ"; } |
                                 md5sum | cut -d" " -f1)
         # see if we can link to the reuse pool
         # XXX - hrm.  i'm not convinced this doesn't belong in the reuse
@@ -1515,9 +1636,9 @@ build_ofed() {
         # XXX we need to better integrate a distro specific override with
         #     the rest of this function so that all of the reuse cache
         #     stuff is leveraged given that 80% of this function is reuse
-        if type -p build_ofed-${DISTRO}; then
+        if type -p build_ofed-$DISTROMAJ; then
             local ofed_location
-            ofed_location=$(build_ofed-${DISTRO} ${STDOUT})
+            ofed_location=$(build_ofed-$DISTROMAJ ${STDOUT})
             local rc=${PIPESTATUS[0]}
             CONFIGURE_FLAGS="--with-o2ib=${ofed_location} ${CONFIGURE_FLAGS}"
             return $rc
@@ -1538,8 +1659,8 @@ build_ofed() {
                                   echo "$(find_linux_release;
                                   echo "$BUILD_GEN")";
                                   cat "${linux}/include/linux/autoconf.h";
-                                  cat "${0%/lbuild}/lbuild" ;
-                                  cat "${0%/lbuild}/lbuild-${DISTRO}"; } |
+                                  cat "$LBUILD_DIR/lbuild";
+                                  cat "$LBUILD_DIR/lbuild-$DISTROMAJ"; } |
                                 md5sum | cut -d" " -f1)
         # see if we can link to the reuse pool
         # XXX - hrm.  i'm not convinced this doesn't belong in the reuse
@@ -1592,10 +1713,20 @@ build_ofed() {
     cd ${kib_rpm}-devel
     # the actual ofed RPMs don't have the -rc$n or -$date string appened that
     # might be present on the file
-    local linuxrelease=$(find_linux_release)
-    ofed_version=$(echo $ofed_version |
-                   sed -re 's/-(20[0-9]{6,6}-[0-9]{4,4}|rc[0-9]*)$//')
-    local rpm=$(ls $TOPDIR/RPMS/*/${kib_rpm}-devel-${ofed_version}-${linuxrelease//-/_}.*.rpm)
+    #local linuxrelease=$(find_linux_release)
+    #ofed_version=$(echo $ofed_version |
+    #               sed -re 's/-(20[0-9]{6,6}-[0-9]{4,4}|rc[0-9]*)$//')
+    # FIXME
+    # OFED version will have 'hyphen' for minor release. (e.g. 3.5-1, instead
+    # of 3.5.1) compat-rdma and compat-rdma-devel could have same version
+    # number, but currectly not. Once OFED fix this in the future release, we
+    # can remove following filter.
+    #ofed_version=$(echo $ofed_version |
+    #               sed -re 's/-([0-9]*-[rR][cC][0-9]*)$//')
+    #local rpm=$(ls $TOPDIR/RPMS/*/${kib_rpm}-devel-${ofed_version}-${linuxrelease//-/_}.*.rpm)
+    # I dont' know why we have gone through the trouble to filter out the name
+    # of the rpm there should only be one ${kib_rpm}-devel built
+    local rpm=$(ls $TOPDIR/RPMS/*/${kib_rpm}-devel-*.rpm)
     if ! rpm2cpio < $rpm | cpio -id; then
         fatal 1 "could not unpack the ${kib_rpm}-devel rpm."
     fi
@@ -1629,7 +1760,7 @@ build_with_srpm() {
         # client build
         local kernelrpm
         if ! kernelrpm=$(find_linux_rpm "-$DEVEL_KERNEL_TYPE"); then
-            fatal 1 "Could not find the kernel-$DEVEL_KERNEL_TYPE RPM in ${KERNELRPMSBASE}/${lnxmaj}/${DISTRO}"
+            fatal 1 "Could not find the kernel-$DEVEL_KERNEL_TYPE RPM in $KERNELRPMSBASE/$lnxmaj/$DISTROMAJ"
         fi
         if ! lnxrel="$lnxrel" unpack_linux_devel_rpm "$kernelrpm" "-"; then
             fatal 1 "Could not find the Linux tree in $kernelrpm"
@@ -1829,7 +1960,7 @@ set -E
 
 [ -r ~/.lbuildrc ] && . ~/.lbuildrc
 
-options=$(getopt -o D:h -l kerneltree:,distro:,kernelrpm:,reusebuild:,patchless,ldiskfs,ccache,reuse:,norpm,disable-datestamp,external-patches:,timestamp:,extraversion:,kerneldir:,linux:,lustre:,nodownload,nosrc,noiokit,ofed-version:,publish,release,set-value:,src,stage:,tag:,target:,target-archs:,with-linux:,xen -- "$@")
+options=$(getopt -o D:h -l kerneltree:,distro:,kernelrpm:,reusebuild:,patchless,ccache,norpm,external-patches:,timestamp:,extraversion:,kerneldir:,linux:,lustre:,nodownload,nosrc,noiokit,ofed-version:,mpss-version:,publish,disable-zfs,release,set-value:,src,stage:,target:,target-archs:,with-linux:,xen -- "$@")
 
 if [ $? != 0 ]; then
     usage 1
@@ -1881,10 +2012,6 @@ while [ "$1" ]; do
             DISTRO=$2
             shift 2
             ;;
-        --reuserpm)
-            REUSERPM=$2
-            shift 2
-            ;;
         --reusebuild)
             if ! REUSEBUILD=$(canon_path "$2"); then
                 fatal 1 "Could not determine the canonical location of $2"
@@ -1895,10 +2022,6 @@ while [ "$1" ]; do
             NORPM=true
             shift
             ;;
-        --ldiskfs)
-            LDISKFSRPM=true
-            shift
-            ;;
         --noiokit)
             IOKITRPM=false
             shift
@@ -1935,9 +2058,17 @@ while [ "$1" ]; do
             OFED_VERSION="$2"
             shift 2
             ;;
+        --mpss-version)
+            MPSS_VERSION="$2"
+            shift 2
+            ;;
         --publish)
             shift
             ;;
+       --disable-zfs)
+           WITH_ZFS="no"
+           shift
+           ;;
         --release)
             RELEASE=true
             shift
@@ -1950,10 +2081,6 @@ while [ "$1" ]; do
             STAGEDIR=$2
             shift 2
             ;;
-        --tag)
-            shift 2
-            echo "WARNING: \"--tag\" is deprecated" > 2
-            ;;
         --target)
             TARGET=$2
             shift 2
@@ -1978,7 +2105,6 @@ while [ "$1" ]; do
                 LUSTRE_TESTS=false
             fi
             CONFIGURE_FLAGS=$@
-            CONFIGURE_FLAGS="$CONFIGURE_FLAGS --enable-liblustre --enable-liblustre-tests"
             break
             ;;
         *)
@@ -1993,7 +2119,7 @@ unpack_lustre
 
 # XXX - should we _always_ get the buildid from the META file?  what are the
 # other (i.e. non-lustre-tarball use cases of lbuild)?
-BUILDID=$(sed -ne '/^BUILDID =/s/.*= *//p' lustre/META)
+BUILDID=$(sed -n -e 's/^BUILDID = //p' lustre/META)
 
 load_target
 
@@ -2002,20 +2128,87 @@ if [ -n "$OFED_VERSION" -a "$OFED_VERSION" != "inkernel" ]; then
     unpack_ofed || fatal 1 "Error unpacking OFED tarball"
 fi
 
+if [ -n "$MPSS_VERSION" ]; then
+    [ -z "$MPSS_DISTRO" ] && MPSS_DISTRO=$(autodetect_distro)
+
+    MPSS_INFO=$(mktemp -u mpss-info-XXXXXXXXXX.html)
+    download_mpss_info "$MPSS_INFO"
+
+    if [ "$MPSS_VERSION" = "last" ]; then
+        MPSS_VERSION=$(parse_mpss_info "$MPSS_INFO" "" ${MPSS_DISTRO})
+        [ -z "$MPSS_VERSION" ] &&
+            fatal 1 "Could not determine the last MPSS version"
+    fi
+
+    MPSS_MAJ=${MPSS_VERSION%%.*}
+    MPSS_VER=${MPSS_VERSION%%-*}
+    MPSS_BLD=${MPSS_VERSION##*-}
+    [ "$MPSS_VER" = "$MPSS_BLD" ] && MPSS_BLD=0
+
+    download_mpss "$MPSS_INFO"
+    [ -r "$MPSS_INFO" ] && rm -f "$MPSS_INFO"
+    echo "Building with MPSS $MPSS_VER-$MPSS_BLD"
+    unpack_mpss  || fatal 1 "Error unpacking MPSS tarballs"
+    prepare_mpss || fatal 1 "Error preparing MPSS for kernel modules build"
+
+    if [ -z "$MPSS_OFED" ]; then
+        MPSS_OFED=$(find $PWD -type f -path "*/ofed-driver*/Module.symvers" -print -quit)
+        if [ -n "$MPSS_OFED" ]; then
+            MPSS_OFED="--with-o2ib=$(dirname $MPSS_OFED)"
+        else
+            MPSS_OFED="--without-o2ib"
+        fi
+    fi
+
+    # disable unsupported parts:
+    PATCHLESS=true
+    IOKITRPM=false
+    LDISKFSRPM=false
+    WITH_ZFS="no"
+
+    # define variables for cross compilation:
+    CROSS_SUFFIX="-mic"
+    if [ "$MPSS_MAJ" = "3" ]; then
+        CC_TARGET_ARCH=k1om-mpss-linux
+        LINUX="$TOPDIR/mpss"
+        RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"cross_requires /bin/sh\""
+    else
+        CC_TARGET_ARCH=x86_64-k1om-linux
+        LINUX="$TOPDIR/mpss/card/kernel"
+        RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"cross_requires intel-mic-gpl = $MPSS_VER\""
+    fi
+    LUSTRE_VERSION=$(sed -n -e 's/^VERSION = //p' lustre/META)
+    CONFIGURE_FLAGS="$CONFIGURE_FLAGS $MPSS_OFED --host=$CC_TARGET_ARCH --build=x86_64-pc-linux"
+    RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"post_script build/gen_filelist.sh\""
+    RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"make_args ARCH=k1om CROSS_COMPILE=${CC_TARGET_ARCH}-\""
+    RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"cross_path ${CROSS_PATH:=/opt/lustre/${LUSTRE_VERSION}/${CC_TARGET_ARCH}}\""
+    RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"rootdir %{cross_path}\""
+    RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"_prefix %{cross_path}/usr\""
+    RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"_mandir %{_prefix}/share/man\""
+    RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"_sysconfdir %{cross_path}/etc\""
+    RPMBUILD_DEFS="$RPMBUILD_DEFS --define \"kmoddir extra\""
+
+    # redefine CC for proper ./configure during rpmbuild
+    export CC=${CC_TARGET_ARCH}-gcc
+fi
+
 # make sure the RPM build environment is set up
 create_rpmbuild_dirs
 
 # if an unpacked kernel source tree was given on the command line
 # just build lustre with it (nothing distro kernel specific here)
 if [ -n "$LINUX" ]; then
+    find_linux_release() {
+        _find_linux_release $LINUX
+    }
     build_ofed "${LINUXOBJ:-$LINUX}" "$OFED_VERSION" ||
         fatal 1 "error building OFED"
     build_lustre "$LINUX" "$LINUXOBJ"
 else
-    if [ ! -f "${LBUILD_DIR}/lbuild-$DISTRO" ]; then
-        fatal 1 "${LBUILD_DIR}/lbuild-$DISTRO not found"
+    if [ ! -f "${LBUILD_DIR}/lbuild-$DISTROMAJ" ]; then
+        fatal 1 "${LBUILD_DIR}/lbuild-$DISTROMAJ not found"
     fi
-    source ${LBUILD_DIR}/lbuild-$DISTRO
+    source ${LBUILD_DIR}/lbuild-$DISTROMAJ
     build_with_srpm || fatal 1 "Failed to build_with_srpm"
 fi