contrib/lbuild/lbuild

   1 #!/bin/bash
   2
   3 # vim:expandtab:shiftwidth=4:softtabstop=4:tabstop=4:
   4
   5 # this is an alternative FD for stdout, to be used especially when we are
   6 # taking stdout from a function as it's return value.  i.e. foo=$(bar)
   7 # this is a workaround until a version of bash where we can put xtrace
   8 # on a specific FD
   9 exec 3>&1; STDOUT=3
  10
  11 #set -x
  12 xtrace="+x"
  13 if [[ $SHELLOPTS = *xtrace* ]]; then
  14     xtrace="-x"
  15 fi
  16 shopt -s extdebug
  17
  18 # Assume that lbuild's support files can be found in the same
  19 # canonicalized path as this very script.
  20 LBUILD_SCRIPT=$(readlink -f ${0})
  21 LBUILD_DIR=${LBUILD_DIR:-$(dirname ${LBUILD_SCRIPT})}
  22
  23 # include the exit_traps library
  24 . ${LBUILD_DIR}/exit_traps.sh
  25 . ${LBUILD_DIR}/funcs.sh
  26
  27 # our children should die when we do
  28 push_exit_trap "kill -INT -$$ || true" kill_children
  29
  30 # increment this if you have made a change that should force a new kernel
  31 # to build built
  32 BUILD_GEN=10
  33
  34 TOPDIR="$PWD"
  35
  36 KERNELDIR=
  37 LINUX=
  38 LUSTRE=
  39 RELEASE=false
  40 # XXX - some recent hacking has pretty much neutered this option.
  41 #       search through this file for "-bb" and see how many places
  42 #       simply don't account for this option
  43 DO_SRC=true
  44 DOWNLOAD=true
  45 CANONICAL_TARGET=
  46 TARGET=
  47 TARGET_ARCH="$(uname -m)"
  48 CONFIGURE_FLAGS=
  49 EXTERNAL_PATCHES=
  50 EXTRA_VERSION=
  51 STAGEDIR=
  52 TMPDIR=${TMPDIR:-"/var/tmp"}
  53 TIMESTAMP=
  54 # default OFED
  55 OFED_TYPE="inkernel"
  56 # this is the dir that should be used to store reuse products
  57 REUSEBUILD=
  58 # should cached products be used or force rebuilding?
  59 USE_BUILD_CACHE=true
  60 # what does this do exactly?  does it imply no kernel build?
  61 IOKITRPM=true
  62 OSDLDISKFSRPM=true
  63 OSDZFSRPM=false
  64 SMPTYPES="smp bigsmp default ''"
  65 PATCHLESS=false
  66 PATCHLESS_SERVER=false
  67 WITH_ZFS=""
  68 XEN=false
  69 LINUXOBJ=
  70 DISTRO=
  71 KERNELTREE=
  72 # default to not adding -lustre- into the kernel RPM package names
  73 KERNEL_LUSTRE_NAMING=false
  74 ENABLE_KERNEL_DEBUG=false
  75 # default not use kabi check.
  76 USE_KABI=true
  77
  78 # patchless build
  79 KERNELRPMSBASE=
  80 RPMSMPTYPE=
  81
  82 # from target file
  83 SERIES=
  84 BASE_ARCHS=
  85 BIGMEM_ARCHS=
  86 BOOT_ARCHS=
  87 JENSEN_ARCHS=
  88 SMP_ARCHS=
  89 BIGSMP_ARCHS=
  90 PSERIES64_ARCHS=
  91 UP_ARCHS=
  92
  93 # not in the target file any more
  94 CONFIG=
  95
  96 # build the lustre-tests rpm?
  97 LUSTRE_TESTS=true
  98
  99 DATE=$(date)
 100
 101 RPMBUILD=
 102
 103 export CC=${CC:-gcc}
 104
 105 # Readlink is not present on some older distributions: emulate it.
 106 readlink() {
 107     local path=$1 ll
 108
 109     if [ -L "$path" ]; then
 110         ll="$(LC_ALL=C ls -l "$path" 2> /dev/null)" &&
 111         echo "${ll/* -> }"
 112     else
 113         return 1
 114     fi
 115 }
 116
 117 usage() {
 118     cat <<EOF
 119 Usage: ${0##*/} [OPTION]... [-- <lustre configure options>]
 120
 121   --external-patches=EXTERNAL_PATCHES
 122     Directory similar to lustre/lustre/kernel_patches/ that lbuild should
 123     look for seres and config files in before looking in the lustre
 124     tree.
 125
 126   --extraversion=EXTRAVERSION
 127     Text to use for the rpm release and kernel extraversion.
 128
 129   --timestamp=TIMESTAMP
 130     Date of building lustre in format YYYYMMDDhhmmss
 131
 132   --reusebuild=DIR
 133     Try to reuse old kernel builds from DIR
 134
 135   --kernelrpm=DIR
 136     Path to distro kernel RPM collection
 137
 138   --ccache
 139     Use ccache
 140
 141   --norpm
 142     Unused.
 143
 144   --patchless
 145     Build lustre client only
 146
 147   --patchless-server
 148     Build lustre server without patching the kernel
 149
 150   --distro=DISTRO
 151     Which distro using. Autodetect by default
 152
 153   --kerneldir=KERNELDIR
 154     Directory containing Linux source tarballs referenced by target
 155     files.
 156
 157   --kerneltree=KERNELTREE
 158     Directory containing dirs with Linux source tarballs referenced by target
 159     files. Dir names in format kernel version ('2.6.9', etc.)
 160
 161   --enable-kernel-debug
 162     Build with kernel-<version>.config-debug instead
 163
 164   --linux=LINUX --with-linux=LINUX
 165     Directory of Linux kernel sources.  When this option is used, only
 166     Lustre modules and userspace are built.
 167
 168   --lustre=LUSTRE
 169     Path to an existing lustre source tarball to use.
 170
 171   --nodownload
 172     Do not try to download a kernel from downloads.whamcloud.com
 173
 174   --nosrc
 175     Do not build a .src.rpm, a full kernel patch, or a patched kernel
 176     tarball.
 177
 178   --ofed-type
 179     Type of OFED to build with lustre: inkernel, ofa, mlnx, ifs
 180     ofa: OpenFabrics Alliance
 181     mlnx: Mellanox
 182     ifs: Intel True Scale Fabric
 183
 184   --ofed-version
 185     Version of external OFED to build with lustre
 186
 187   --mlnx-version
 188     Version of external Mellanox OFED to build with lustre
 189
 190   --ofed-src
 191     Tarball for either OFED. Tarball must follow below format
 192     OFED-<ofed-version>.tgz regardless of vendors
 193     It's likely that you need to reconstruct the directory name
 194     It must be placed under KERNELTREE directory
 195
 196   --ldiskfs
 197     Build with ldiskfs support. (Deprecated, always true)
 198
 199   --noiokit
 200     Do not build lustre-iokit RPM. Now true by default
 201
 202   --publish
 203     Unused.
 204
 205   --release
 206     Specifies that the files generated do not include timestamps, and
 207     that this is an official release.
 208
 209   --disable-zfs
 210     Build Lustre without ZFS.
 211
 212   --src
 213     Build a .src.rpm, a full kernel patch, and a patched kernel tarball.
 214
 215   --stage=DIR
 216     Directory used to stage packages for release.  RPMs will be placed
 217     more or less in DIR/<target>-<arch>, and the tarball will be
 218     placed in DIR.
 219
 220   --target=TARGET
 221     The name of the target to build.  The available targets are listed
 222     below.
 223
 224   --xen
 225     Builds a Xen domX kernel.
 226
 227   --set-value
 228     Sets a variable to a given value.
 229
 230 EOF
 231
 232 #   list_targets
 233
 234     fatal "$1" "$2"
 235 }
 236
 237 # canonicalize a relative path to a file
 238 canon_filepath() {
 239     local PATH="$1"
 240
 241     if [ ! -f "$PATH" ]; then
 242         return 1
 243     fi
 244
 245     local FILE=${PATH##*/}
 246     local DIR=${PATH%/*}
 247
 248     echo $(canon_path "$DIR")/$FILE
 249     return 0
 250 }
 251
 252 # canonicalize a relative path to a dir
 253 canon_path() {
 254     local PATH="$1"
 255
 256     if [ ! -d "$PATH" ]; then
 257         return 1
 258     fi
 259
 260     pushd "$PATH" >/dev/null || return 1
 261     local CANONPATH=$PWD
 262     popd >/dev/null
 263
 264     echo "$CANONPATH"
 265     return 0
 266 }
 267
 268 check_options() {
 269
 270     if [ -z "$LUSTRE" -o ! -r "$LUSTRE" ]; then
 271         usage 1 "Could not find Lustre source tarball '$LUSTRE'."
 272     fi
 273
 274         if $PATCHLESS && $PATCHLESS_SERVER; then
 275                 usage 1 "Can not use both --patchless and --patchless-server."
 276         fi
 277
 278         if [ -n "${OFED_SRC}" ]; then
 279                 if [ -z "${OFED_VERSION}" ]; then
 280                         usage 1 "Need to provide version for file ${OFED_SRC}."
 281                 fi
 282                 if [ "${OFED_TYPE}" = "inkernel" ]; then
 283                         usage 1 "Need to provide ofed type for file ${OFED_SRC}."
 284                 fi
 285         else
 286                 if [ "${OFED_TYPE}" != "inkernel" -a -z "${OFED_VERSION}" ]; then
 287                         usage 1 "Need to provide version for $OFED_TYPE OFED"
 288                 fi
 289
 290                 if [ "${OFED_TYPE}" = "inkernel" -a -n "${OFED_VERSION}" ]; then
 291                         usage 1 "Can not specify version with inkernel OFED"
 292                 fi
 293         fi
 294
 295     if [ -z "$DISTRO" ] ; then
 296         DISTRO=$(autodetect_distro)
 297         # remove separator
 298         DISTRO=${DISTRO/-/}
 299     fi
 300     DISTROMAJ=${DISTRO%%.*}
 301
 302     [ -z "$TARGET" ] && TARGET=$(autodetect_target "$DISTRO")
 303
 304     if [ -z "$LINUX" ]; then
 305         [ "$KERNELDIR" -o "$KERNELTREE" ] || \
 306             usage 1 "A kernel directory must be specified with --kerneldir or --kerneltree."
 307
 308         [ -d "$KERNELDIR" -o -d "$KERNELTREE" ] || \
 309             usage 1 "$KERNELDIR and $KERNELTREE are not a directory."
 310
 311 #       TARGET_FILE="$TOPDIR/lustre/kernel_patches/targets/$TARGET.target"
 312 #       [ -r "$TARGET_FILE" ] || \
 313 #               usage 1 "Target '$TARGET' was not found."
 314     fi
 315
 316         case $TARGET in
 317                 3.12-sles12 | 4.4-sles12)
 318                         CANONICAL_TARGET="sles12"
 319                         ;;
 320                 5.14-rhel9*)
 321                         CANONICAL_TARGET="rhel9"
 322                         ;;
 323                 4.18-rhel8*)
 324                         CANONICAL_TARGET="rhel8"
 325                         ;;
 326                 3.10-rhel7*)
 327                         CANONICAL_TARGET="rhel7"
 328                         ;;
 329                 3.0-sles11)
 330                         CANONICAL_TARGET="sles11"
 331                         ;;
 332                 5.10-oe2203)
 333                         CANONICAL_TARGET="oe2203"
 334                         ;;
 335         esac
 336
 337     local timestampnodig=$(echo $TIMESTAMP | sed -e s/[0-9]*//g)
 338     [ "$timestampnodig" = "" ] || TIMESTAMP=$(date -d "$DATE" "+%Y%m%d%H%M%S")
 339     local timestamplength="${#TIMESTAMP}"
 340     if [ $timestamplength -eq 12 ]; then
 341         TIMESTAMP="${TIMESTAMP}00"
 342     elif [ $timestamplength -ne 14 ]; then
 343         TIMESTAMP=$(date -d "$DATE" "+%Y%m%d%H%M%S")
 344     fi
 345
 346     RPMBUILD=$(which rpmbuild 2>/dev/null | head -n 1)
 347     RPMBUILD=${RPMBUILD:-$(which rpm 2>/dev/null | head -n 1)}
 348     if [ -z "$RPMBUILD" ]; then
 349         usage 1 "Could not find binary for making rpms (tried rpmbuild and rpm)."
 350     fi
 351
 352     local BINDIR="$TOPDIR/bin"
 353     if [ -d $BINDIR ]; then
 354         rm -rf $BINDIR >/dev/null 2>&1 || true
 355     fi
 356
 357     mkdir -p $BINDIR || fatal 1 "error trying to create $BINDIR"
 358     export PATH=$BINDIR:$PATH
 359
 360     cat >${BINDIR}/rpmbuild <<EOF
 361 #!/bin/bash
 362
 363 ARGS="\${FIND_REQUIRES:+--define \"__find_requires \$FIND_REQUIRES\"}
 364 \${FIND_KSYMS_REQUIRES:+--define \"__required_ksyms_requires \$FIND_KSYMS_REQUIRES\"}"
 365 for arg; do
 366     case \$arg in
 367     *\'* ) ARGS="\$ARGS \"\$arg\"" ;;
 368     * ) ARGS="\$ARGS '\$arg'" ;;
 369     esac
 370 done
 371
 372 eval $RPMBUILD \$ARGS
 373 EOF
 374     chmod 755 ${BINDIR}/rpmbuild
 375
 376     if [ -n "$CCACHE" ]; then
 377         which "$DISTCC" &>/dev/null && export DISTCC RPM_BUILD_NCPUS
 378
 379         if which "$CCACHE" &>/dev/null; then
 380             local ccache=$(which "$CCACHE" 2>/dev/null | head -n 1)
 381
 382             ln -s "$ccache" ${BINDIR}/ccache
 383             ln -s "$ccache" ${BINDIR}/cc
 384             ln -s "$ccache" ${BINDIR}/$CC
 385
 386             export CCACHE
 387             export CC="ccache $CC"
 388             # zero the cache so we can see how effective we are being with it
 389             echo -n "ccache "
 390             ccache -z
 391
 392             # get some ccache stats when we are done
 393             push_exit_trap '[ -n "$CCACHE" ] && ccache -s' "ccache_summary"
 394             # should remove the ccache trap if lbuild is interrupted
 395             trap 'echo "Received an INT TERM or HUP signal, terminating."; delete_exit_trap "ccache_summary"; exit 1' INT TERM HUP
 396         fi
 397     fi
 398
 399     return 0
 400 }
 401
 402 # compare two versions $1 and $2. if $1 < $2, return 0 otherwise return 1.
 403 compare_version () {
 404     [[ $1 == $2 ]] && return 1
 405     local IFS=.
 406     local i val1=($1) val2=($2)
 407
 408     # padding zero to val1 if it needs
 409     for ((i=${#val1[@]}; i<${#val2[@]}; i++)); do
 410         val1[i]=0
 411     done
 412     for ((i=0; i<${#val1[@]}; i++)); do
 413         [[ -z ${val2[i]} ]] && return 1
 414
 415         if [[ ${val1[i]} < ${val2[i]} ]]; then
 416             return 0
 417         elif [[ ${val1[i]} > ${val2[i]} ]]; then
 418             return 1
 419         fi
 420     done
 421     return 1
 422 }
 423
 424 # Return a numeric version code based on a version string.  The version
 425 # code is useful for comparison two version strings to see which is newer.
 426 version_code() {
 427     # split arguments like "0.8.0" into "0", "8", "0"
 428     eval set -- $(tr "[:punct:]" " " <<< $*)
 429     echo -n "$((($1 << 16) | ($2 << 8) | $3))"
 430 }
 431
 432 uniqify() {
 433
 434     echo $(echo "$*" | xargs -n 1 | sort -u)
 435
 436 }
 437
 438 fetch_url() {
 439     local url="$1"
 440     local target="$2"
 441
 442     if [ -z "$target" ]; then
 443         fatal 1 "fetch_url() called without a target to fetch to"
 444     fi
 445
 446     if [ -d $target ]; then
 447         target+="/${url##*/}"
 448     fi
 449
 450     local rc=0
 451     if which wget >/dev/null 2>&1; then
 452         if ! wget -nv "$url" -O "$target"; then
 453             rc=${PIPESTATUS[0]}
 454         fi
 455     elif which curl >/dev/null 2>&1; then
 456         if ! curl -n -L -s -o "$target" "$url"; then
 457             rc=${PIPESTATUS[0]}
 458         fi
 459     else
 460         fatal 1 "Could not find either wget or curl to fetch URLs."
 461     fi
 462
 463     return $rc
 464
 465 }
 466
 467 download_srpm() {
 468         local target=$1
 469         local srpm=$2
 470         local force="${3:-false}"
 471
 472         [[ ! -s "$KERNELDIR/$srpm" ]] || return 0
 473
 474         # let the download_file handle the concurrency
 475         if $DOWNLOAD; then
 476                 local location
 477                 # get the location from a distro specific method if it exists
 478                 if type -p kernel_srpm_location; then
 479                         location=$(kernel_srpm_location)
 480                 else
 481                         fatal 1 "Must specify location for download kernel SRPM."
 482                 fi
 483                 echo "Downloading $location/$srpm..."
 484                 if ! download_file \
 485                         "$location/$srpm" "$KERNELDIR/$srpm" "$force" 2>&1 ||
 486                         [ ! -s "$KERNELDIR/$srpm" ]; then
 487                         rm -f $KERNELDIR/$srpm
 488                         fatal 1 "Could not download target $target's kernel \
 489 SRPM $srpm from $location."
 490                 fi
 491         fi
 492 }
 493
 494 download_debuginfo_common() {
 495         local rpm=$1
 496         local force="${2:-false}"
 497
 498         [[ ! -s "$KERNELRPMSBASE/$lnxmaj/$DISTROMAJ/$TARGET_ARCH/$rpm" ]] ||
 499                 return 0
 500
 501         # let the download_file handle the concurrency
 502         if $DOWNLOAD; then
 503                 # get the location from a distro specific method if it exists
 504                 if type -p kernel_debuginfo_location; then
 505                 location=$(kernel_debuginfo_location)
 506                 fi
 507                 echo "Downloading $location/$rpm"
 508                 if ! download_file \
 509                         "$location/$rpm" "$KERNELRPMSBASE/$lnxmaj/$DISTROMAJ/$TARGET_ARCH/$rpm" "$force" 2>&1 ||
 510                         [ ! -s "$KERNELRPMSBASE/$lnxmaj/$DISTROMAJ/$TARGET_ARCH/$rpm" ]; then
 511                         rm -f $KERNELRPMSBASE/$lnxmaj/$DISTROMAJ/$TARGET_ARCH/$rpm
 512                         fatal 1 "Could not download $rpm from $location."
 513                 fi
 514         fi
 515 }
 516
 517 download_file() {
 518     local from="$1"
 519     local to="$2"
 520     local force="$3"
 521
 522     local file=${from##*/}
 523
 524     if [ -d $to ]; then
 525         to="$to/$file"
 526     fi
 527
 528     local semaphore="$to-downloading"
 529
 530     is_downloading() {
 531         if [ ! -f $semaphore ]; then
 532             return 1
 533         fi
 534
 535         # make sure the download has not been aborted
 536         local now=$(date +%s)
 537         local file_mtime=$(stat -c %Y "$to")
 538         local staleness=$((now - file_mtime))
 539         # let's assume an active download will write at least once a minute
 540         if [ $staleness -gt 60 ]; then
 541             return 1
 542         fi
 543
 544         return 0
 545     }
 546
 547     is_downloaded() {
 548         # if the semaphore file exists, the file is either still downloading
 549         # or a download was aborted and we cannot trust the target file
 550         if [ -f $semaphore ]; then
 551             return 1
 552         fi
 553
 554         if ! is_downloading && [ -r "$to" ] && [ -s "$to" ]; then
 555             return 0
 556         fi
 557
 558         return 1
 559     }
 560
 561     if $force || ! is_downloaded; then
 562         if is_downloading; then
 563             echo "Somebody else is downloading $from..."
 564             while is_downloading; do
 565                 echo "Waiting for $to to finish downloading"
 566                 sleep 60
 567             done
 568             if is_downloaded; then
 569                 return 0
 570             else
 571                 echo "The download we were waiting for seems to have been aborted"
 572             fi
 573
 574         fi
 575
 576         if $DOWNLOAD; then
 577             echo "Downloading $from..."
 578             # flag others so they don't try to download also
 579             push_exit_trap "rm -f $to $semaphore" "download"
 580             touch $semaphore
 581             if ! fetch_url "$from" "$to" || [ ! -s "$to" ]; then
 582                 # the trap will remove the files via the fatal below
 583                 fatal 1 "Could not download ${to##*/} from ${from%/*}/."
 584             fi
 585             rm -f $semaphore
 586             delete_exit_trap "download"
 587         else
 588             fatal 1 "${to##*/} not found in directory ${to%/*}."
 589         fi
 590     fi
 591
 592     return 0
 593
 594 }
 595
 596 download_ofed() {
 597         local ofed_type="$1"
 598         local ofed_version="$2"
 599         local force="${3:-false}"
 600         local distro_name="${DISTRO}"
 601         local arch="${TARGET_ARCH}"
 602         local location
 603         local file
 604
 605         #if a src tarball has been given in the command line, we use it
 606         #The format of the tarball must be OFED-${OFED_VERSION}.tgz
 607         [ -n "${OFED_SRC}" ] && return 0
 608
 609         case $ofed_type in
 610                 ofa)
 611                         location="https://www.openfabrics.org/downloads/OFED/ofed-${ofed_version}/"
 612                         # version include RC
 613                         if [[ $ofed_version = *-[rR][cC][0-9] ]]; then
 614                                 ofed_version_loc=${ofed_version%%-[rR][cC][0-9]}
 615                                 location="https://www.openfabrics.org/downloads/OFED/ofed-${ofed_version_loc}/"
 616                         fi
 617                         # daily build
 618                         if [[ $ofed_version = *-daily ]]; then
 619                                 ofed_version=${ofed_version/-daily/}
 620                                 location="https://www.openfabrics.org/downloads/OFED/ofed-${ofed_version}-daily/"
 621                                 # find the filename for latest version
 622                                 ofed_version=$(curl -1 -s "$location" | sed -nre "s/.*href=\"OFED-(${ofed_version//./\\.}-[0-9]{8}-[0-9]{4}).tgz.*$/\1/p" | tail -1)
 623                                 if [ -z "$ofed_version" ]; then
 624                                         fatal 1 "Could not determine the filename of the OFED snapshot from daily "
 625                                 fi
 626                         fi
 627
 628                         file="OFED-${ofed_version}.tgz"
 629                         download_file "$location/$file" "$KERNELTREE" "$force"
 630                         ;;
 631                 mlnx)
 632                         location="http://www.mellanox.com/downloads/ofed/MLNX_OFED-${ofed_version}"
 633                         # this is a work around for suse distro (sles11.3). what we need is
 634                         # sles11sp3. We really need to redesign how we use target and distro
 635                         [[ $distro_name =~ sles ]] && distro_name=${DISTRO/./sp}
 636                         if [[ $arch = "aarch64" ]] && [[ $DISTROMAJ < "rhel8" ]]; then
 637                                 file="MLNX_OFED_LINUX-${ofed_version}-${distro_name}alternate-${arch}.tgz"
 638                         else
 639                                 file="MLNX_OFED_LINUX-${ofed_version}-${distro_name}-${arch}.tgz"
 640                         fi
 641                         download_file "$location/$file" "$KERNELTREE" "$force"
 642                         ;;
 643                 ifs)
 644                         location="http://downloadmirror.intel.com/24625/eng/"
 645                         file="IntelIB-Basic.$(echo ${distro_name%%.*} | tr '[:lower:]' '[:upper:]')-${arch}.${ofed_version}.tgz"
 646                         download_file "$location/$file" "$KERNELTREE" "$force"
 647                         ;;
 648                 *)
 649                         fatal 1 "Error: unknown OFED type: $ofed_type"
 650
 651         esac
 652         # version might change due to detect daily version
 653         OFED_VERSION=${ofed_version}
 654
 655 }
 656
 657 load_target() {
 658
 659     EXTRA_VERSION_save="$EXTRA_VERSION"
 660     for patchesdir in "$EXTERNAL_PATCHES" \
 661                       "$TOPDIR/lustre/lustre/kernel_patches"; do
 662         TARGET_FILE="$patchesdir/targets/$TARGET.target"
 663         [ -r "$TARGET_FILE" ] && break
 664     done
 665     [ -r "$TARGET_FILE" ] || fatal 1 "Target $TARGET was not found."
 666
 667     echo "Loading target config file $TARGET.target..."
 668
 669     # if the caller specified an OFED_VERSION it should override whatever
 670     # the target file specifies
 671     local env_OFED_VERSION="$OFED_VERSION"
 672
 673     . "$TARGET_FILE"
 674
 675
 676     # patched kernel build needs a series patches
 677     if ! $PATCHLESS && ! $PATCHLESS_SERVER && [ ! "$SERIES" ]; then
 678         fatal 1 "Distro $DISTRO doesn't support patched kernel server build!! Please use option --patchless-server"
 679     fi
 680
 681     if [ -n "$env_OFED_VERSION" ]; then
 682         OFED_VERSION="$env_OFED_VERSION"
 683     fi
 684
 685     # doesn't make any sense to build OFED for xen domX's
 686     if $XEN; then
 687         OFED_VERSION=""
 688     fi
 689
 690     # XXX - set_rpm_smp_type is an ugly undeterministic hack.  it needs to
 691     #       go away and the target just specify the $RPMSMPTYPE
 692     [ -z "$RPMSMPTYPE" ] && set_rpm_smp_type
 693
 694     # CC might have been overwritten in TARGET_FILE
 695     if [[ $CC != ccache\ * ]] && which "$CCACHE" &>/dev/null; then
 696         export CCACHE && export CC="ccache $CC"
 697     fi
 698
 699     if [ ! "$KERNELTREE" = "" ] && [ -d "$KERNELTREE" ]; then
 700         KERNELDIR="$KERNELTREE/${lnxmaj}"
 701         [ -d "$KERNELDIR" ] || mkdir "$KERNELDIR"
 702     fi
 703
 704     # verify the series is available
 705     if [ "$SERIES" ]; then
 706         for series in $SERIES; do
 707             for patchesdir in "$EXTERNAL_PATCHES" "$TOPDIR/lustre/lustre/kernel_patches"; do
 708                 [ -r "$patchesdir/series/$series" ] && continue 2
 709             done
 710             fatal 1 "Target $TARGET's series $SERIES could not be found.\nSearched:\n\t$EXTERNAL_PATCHES/series\n\t$TOPDIR/lustre/lustre/kernel_patches/series."
 711         done
 712     fi
 713
 714     # set the location of the .config file
 715     local XENPOSTFIX=""
 716     if $XEN; then
 717         XENPOSTFIX="-xen"
 718     fi
 719
 720         if $ENABLE_KERNEL_DEBUG; then
 721                 if [ -f $TOPDIR/lustre/lustre/kernel_patches/kernel_configs/kernel-$lnxmaj-$TARGET-$TARGET_ARCH.config-debug ]; then
 722                         CONFIG_FILE="$TOPDIR/lustre/lustre/kernel_patches/kernel_configs/kernel-$lnxmaj-$TARGET$XENPOSTFIX-$TARGET_ARCH.config-debug"
 723                 fi
 724         else
 725                 if [ -f $TOPDIR/lustre/lustre/kernel_patches/kernel_configs/kernel-$lnxmaj-$TARGET-$TARGET_ARCH.config ]; then
 726                         CONFIG_FILE="$TOPDIR/lustre/lustre/kernel_patches/kernel_configs/kernel-$lnxmaj-$TARGET$XENPOSTFIX-$TARGET_ARCH.config"
 727                 fi
 728         fi
 729
 730     local lnxrelnew=${lnxrel//-/_}
 731
 732     # remember the EXTRA_VERSION before we diddle it here
 733     # XXX - we really should not diddle with any values read in from the
 734     #       target file.  if we want to modify a value, we should create
 735     #       a new variable.
 736     PRISTINE_EXTRA_VERSION=$EXTRA_VERSION
 737
 738     if ! $PATCHLESS && ! $PATCHLESS_SERVER && [ ! -f "$CONFIG_FILE" ]; then
 739         fatal 1 "Config file for target $TARGET missing from $TOPDIR/lustre/lustre/kernel_patches/kernel_configs/."
 740     fi
 741
 742     if [ "$EXTRA_VERSION_save" ]; then
 743         EXTRA_VERSION="$EXTRA_VERSION_save"
 744     elif ! $RELEASE; then
 745         # if there is no patch series, then this is not a lustre specific
 746         # kernel.  don't make it look like one
 747         if $PATCHLESS || [ -n "$SERIES" ]; then
 748             EXTRA_VERSION=$(echo $EXTRA_VERSION | sed -e "s/\(.*_lustre\)\..*/\1/")
 749         fi
 750     fi
 751     # EXTRA_VERSION=${EXTRA_VERSION//-/_}
 752 }
 753
 754 tarflags() {
 755     local file="$1"
 756
 757     echo -n '--wildcards '
 758     case "$file" in
 759         '')
 760             fatal 1 "tarflags(): File name argument missing."
 761             ;;
 762         *.tar.gz | *.tgz)
 763             echo '-zxf'
 764             ;;
 765         *.tar.bz2)
 766             echo '-jxf'
 767             ;;
 768         *.tar)
 769             echo '-xf'
 770             ;;
 771         *)
 772             fatal 1 "tarflags(): Unrecognized tar extension in file: $1"
 773             ;;
 774     esac
 775
 776 }
 777
 778 untar() {
 779     local tarfile="$1"
 780     shift
 781     local extractfile="$@"
 782
 783     echo "Untarring ${tarfile##*/}..."
 784     tar $(tarflags "$tarfile") "$tarfile" $extractfile
 785
 786 }
 787
 788 unpack_ofed() {
 789         local ofed_type="$1"
 790         local ofed_version="$2"
 791         local distro_name="${DISTRO}"
 792         local arch="${TARGET_ARCH}"
 793         local file
 794
 795         #if a src tarball has been given in the command line, we use it
 796         #The format of the directory after untar MUST be in OFED-${version}
 797         #even if it's from MLNX or IFS...or whatever
 798         if [ -n "${OFED_SRC}" ]; then
 799                 if ! untar "$KERNELTREE/${OFED_SRC}"; then
 800                         return 1
 801                 else
 802                         [ -d OFED ] || ln -sf OFED-[0-9].[0-9]* OFED
 803                 fi
 804         fi
 805         case $ofed_type in
 806                 ofa)
 807                         file="OFED-${ofed_version}"
 808                         if ! untar "$KERNELTREE/${file}.tgz"; then
 809                                 return 1
 810                         fi
 811                         [ -d OFED ] || ln -sf OFED-[0-9].[0-9]* OFED
 812                         ;;
 813                 mlnx)
 814                         # this is a work around for suse distro (sles11.3). what we need is
 815                         # sles11sp3. We really need to redesign how we use target and distro
 816                         [[ $distro_name =~ sles ]] && distro_name=${DISTRO/./sp}
 817                         if [[ $arch = "aarch64" ]] && [[ $DISTROMAJ < "rhel8" ]]; then
 818                                 file="MLNX_OFED_LINUX-${ofed_version}-${distro_name}alternate-${arch}"
 819                         else
 820                                 file="MLNX_OFED_LINUX-${ofed_version}-${distro_name}-${arch}"
 821                         fi
 822                         # it's not important what distro we get the tarball since we only
 823                         # interest in the src
 824                         if ! untar "$KERNELTREE/${file}.tgz"; then
 825                                 return 1
 826                         fi
 827                         # we need to untar again to get the src since it's being
 828                         # wrapped inside the tarball
 829                         # There are cases where the source version is different
 830                         # than the tarball.
 831                         # (ie. MLNX_OFED_LINUX-2.3-1.0.1 but MLNX_OFED_SRC-2.3-1.0.0)
 832                         local src=$(ls ${file}/src/MLNX_OFED_SRC-${ofed_version%.*}*.tgz)
 833                         if ! untar "$src"; then
 834                                 return 1
 835                         fi
 836                         [ -d OFED ] || ln -sf MLNX_OFED_SRC-[0-9].[0-9]* OFED
 837                         if compare_version $ofed_version 4.7 ||
 838                            compare_version 5.1 $ofed_version; then
 839                                 [ -d OFED_RPMS ] || ln -sf ${file}/RPMS OFED_RPMS
 840                         else
 841                                 [ -d OFED_RPMS ] || ln -sf ${file}/RPMS/MLNX_LIBS OFED_RPMS
 842                         fi
 843                         ;;
 844                 ifs)
 845                         file="IntelIB-Basic.$(echo ${distro_name%%.*} | tr '[:lower:]' '[:upper:]')-${arch}.${ofed_version}"
 846                         if ! untar "$KERNELTREE/${file}.tgz"; then
 847                                 return 1
 848                         fi
 849                         [ -d OFED ] || ln -sf $file/IntelIB-OFED.$(echo ${distro_name%%.*} | tr '[:lower:]' '[:upper:]')-${arch}.* OFED
 850                         ofed_version="$(cat OFED/Version)"
 851                         ;;
 852         esac
 853         # version might change due to detect daily version
 854         OFED_VERSION=${ofed_version}
 855 }
 856
 857 unpack_lustre() {
 858
 859     untar "$LUSTRE" || fatal 1 "Error unpacking Lustre tarball"
 860     [ -d lustre ] || ln -sf lustre-[0-9].[0-9]* lustre
 861
 862 }
 863
 864 do_patch_linux() {
 865
 866     local do_patch=${1:-true}
 867
 868     FULL_PATCH="$PWD/lustre-kernel-${TARGET}-${EXTRA_VERSION}.patch"
 869     [ -f "$FULL_PATCH" ] && rm -f "$FULL_PATCH"
 870     $do_patch && pushd linux >/dev/null
 871     for series in $SERIES; do
 872         echo -n "Applying series $series:"
 873         for patchesdir in "$EXTERNAL_PATCHES" "$TOPDIR/lustre/lustre/kernel_patches"; do
 874             [ -r "$patchesdir/series/$series" ] || continue
 875             SERIES_FILE="$patchesdir/series/$series"
 876             for patch in $(<"$SERIES_FILE"); do
 877                 echo -n " $patch"
 878                 PATCH_FILE="$patchesdir/patches/$patch"
 879                 [ -r "$PATCH_FILE" ] || \
 880                     fatal 1 "Patch $patch does not exist in Lustre tree."
 881                 cat "$PATCH_FILE" >> "$FULL_PATCH" || {
 882                     rm -f $FULL_PATCH
 883                     fatal 1 "Error adding patch $patch to full patch."
 884                 }
 885                 if $do_patch; then
 886                     patch -s -p1 < "$PATCH_FILE" 2>&1 || {
 887                         rm -f $FULL_PATCH
 888                         fatal 1 "Error applying patch $patch."
 889                     }
 890                 fi
 891             done
 892             break
 893         done
 894         echo
 895     done
 896     $do_patch && popd >/dev/null
 897     echo "Full patch has been saved in ${FULL_PATCH##*/}."
 898
 899 }
 900
 901 build_lustre() {
 902     local linux="$1"
 903     local linuxobj="$2"
 904     local configure_args=""
 905
 906     cp "$LUSTRE" SOURCES
 907
 908     pushd lustre >/dev/null
 909
 910     if ! build_lustre_dkms; then
 911         popd >/dev/null # pushd lustre
 912         return 255
 913     fi
 914
 915     echo "Building Lustre RPMs for: $TARGET_ARCH"
 916
 917     # If server we now build the spl and zfs modules against the lustre kernel.
 918     # These are required prior to the building of lustre server. Client does
 919     # not require spl/zfs. Use !PATCHLESS to indicate server which follows the
 920     # line above so is at least consistant.
 921     if [ $PATCHLESS == false ] && [ "x$WITH_ZFS" == "x" ]; then
 922         if ! build_spl_zfs; then
 923             popd >/dev/null # pushd lustre
 924             return 255
 925         fi
 926     fi
 927
 928     if $PATCHLESS; then
 929         configure_args="$configure_args --disable-server"
 930     fi
 931
 932     # ditto for the lustre-tests boolean
 933     if ! $LUSTRE_TESTS; then
 934         configure_args="$configure_args --disable-tests"
 935     fi
 936
 937     if ! $IOKITRPM; then
 938         configure_args="$configure_args --disable-iokit"
 939     fi
 940
 941     if ! $OSDZFSRPM; then
 942         configure_args="$configure_args --without-zfs"
 943     fi
 944
 945     if ! $OSDLDISKFSRPM; then
 946         configure_args="$configure_args --disable-ldiskfs"
 947     fi
 948
 949     configure_args="$configure_args --with-linux=$linux"
 950     configure_args="$configure_args ${linuxobj:+--with-linux-obj=$linuxobj}"
 951
 952     # allow environment setting to override ldiskfs series selection
 953     [ -n "$LDISKFS_SERIES" ] && export LDISKFS_SERIES
 954
 955     ./configure $configure_args $CONFIGURE_FLAGS 2>&1 ||
 956         fatal 1 "Error in configure."
 957
 958     if type -p apply_kmod_requires_conflicts; then
 959         apply_kmod_requires_conflicts
 960     fi
 961
 962     make rpms 2>&1 ||
 963         fatal 1 "Error building rpms for $TARGET_ARCH."
 964
 965     # move RPMs into place where they are expected to be
 966     mv -f *lustre*.${TARGET_ARCH}.rpm $TOPDIR/RPMS/${TARGET_ARCH}/
 967     mv -f lustre-*.src.rpm $TOPDIR/SRPMS/
 968
 969     popd >/dev/null
 970         if type -p cleanup_rpmmacros; then
 971                 cleanup_rpmmacros
 972         fi
 973
 974     return 0
 975 }
 976
 977 build_lustre_dkms() {
 978     local build_args=""
 979     local ver=$(sed -n -e 's/^LUSTRE_VERSION = //p' LUSTRE-VERSION-FILE)
 980
 981     echo "Building Lustre DKMS RPMs for: $TARGET_ARCH"
 982     ./configure --enable-dist || fatal 1 "Error in DKMS configure."
 983
 984     if $PATCHLESS; then
 985         build_args="--without servers"
 986     fi
 987
 988     rpmbuild --define "_topdir $TOPDIR" $build_args -bs lustre-dkms.spec ||
 989         fatal 1 "Error building DKMS .src.rpm for $TARGET_ARCH."
 990
 991     if $PATCHLESS; then
 992         rpmbuild --define "_topdir $TOPDIR" $build_args \
 993              --rebuild $TOPDIR/SRPMS/lustre-client-dkms-$ver-*.src.rpm ||
 994         fatal 1 "Error building DKMS .rpm for $TARGET_ARCH."
 995     else
 996         rpmbuild --define="_topdir $TOPDIR" --with servers \
 997             --with zfs --without ldiskfs -bs lustre-dkms.spec ||
 998         fatal 1 "Error creating DKMS (zfs) .srpm for $TARGET_ARCH."
 999         rpmbuild --define="_topdir $TOPDIR" --with servers \
1000             --without zfs --with ldiskfs -bs lustre-dkms.spec ||
1001         fatal 1 "Error creating DKMS (ldiskfs) .srpm for $TARGET_ARCH."
1002         rpmbuild --define="_topdir $TOPDIR" --with servers \
1003             --with zfs --with ldiskfs -bs lustre-dkms.spec ||
1004         fatal 1 "Error creating DKMS (all) .srpm for $TARGET_ARCH."
1005
1006         rpmbuild --rebuild --define="_topdir $TOPDIR" --with servers \
1007             --with zfs --without ldiskfs $TOPDIR/SRPMS/lustre-zfs-dkms-$ver-*.src.rpm ||
1008         fatal 1 "Error building DKMS (zfs) .rpm for $TARGET_ARCH."
1009         rpmbuild --rebuild --define="_topdir $TOPDIR" --with servers \
1010             --without zfs --with ldiskfs $TOPDIR/SRPMS/lustre-ldiskfs-dkms-$ver-*.src.rpm ||
1011         fatal 1 "Error building DKMS (ldiskfs) .rpm for $TARGET_ARCH."
1012         rpmbuild --rebuild --define="_topdir $TOPDIR" --with servers \
1013             --with zfs --with ldiskfs $TOPDIR/SRPMS/lustre-all-dkms-$ver-*.src.rpm ||
1014         fatal 1 "Error building DKMS (all) .rpm for $TARGET_ARCH."
1015     fi
1016
1017     return 0
1018 }
1019
1020 ###
1021 # build_spl_zfs
1022 #
1023 # Fetch spl/zfs from the git repo and prepare for lustre build
1024 #
1025 # Overrides:
1026 #   SPLZFSGITREPO - URI of directory where spl.git and zfs.git are located
1027 #   SPLZFSTAG     - Tag to checkout of clone repositories
1028 #   SPLZFSVER     - Version to checkout of both (format zfs/spl-$SPLZFSVER)
1029 #
1030 # return 0 if successful, else 255
1031 build_spl_zfs() {
1032     # make sure the RPM build environment is set up
1033     pushd $TOPDIR
1034     create_rpmbuild_dirs
1035     popd
1036
1037     # The spl/zfs spec files expect RPM_BUILD_ROOT to point to the root of the
1038     # destination for the rpms
1039     export RPM_BUILD_ROOT=$TOPDIR
1040     SPLZFSVER=${SPLZFSVER:-2.1.5}
1041     SPLZFSTAG=${SPLZFSTAG:-}
1042     # "spl zfs" prior to 0.8.0
1043     # "zfs" for 0.8.0 and later
1044     (( $(version_code $SPLZFSVER) < $(version_code 0.8.0) )) &&
1045         SPLZFSPKGS="spl zfs" || SPLZFSPKGS="zfs"
1046
1047     # The files expect a kver to be set to the kernel version .
1048     local kver=$(find_linux_release)
1049
1050     # build and install the spl and zfs (and -devel) RPMs for lustre to use
1051     local pkg
1052     local spldir
1053     for pkg in $SPLZFSPKGS; do
1054
1055         local rpmpkg
1056
1057         # need to fetch the repo in order to build it.
1058         # default to github but allow override
1059         git clone -n ${SPLZFSGITREPO:-"https://github.com/zfsonlinux"}/$pkg.git $pkg 2>&1
1060
1061         pushd $pkg || return 255
1062         local tag
1063         if [ -n "$SPLZFSTAG" ]; then
1064             tag=$SPLZFSTAG
1065         else
1066             tag=$pkg-$SPLZFSVER
1067         fi
1068         git checkout -b lbuild $tag || fatal 1 "Failed to checkout \"$tag\" for $pkg.git"
1069
1070         # This differentiates between older zfs versions
1071         if [ -f $pkg-modules.spec.in ]; then
1072             rpmpkg=$pkg-modules
1073             specdir=.
1074             speclist="$pkg.spec $rpmpkg.spec"
1075         else
1076             rpmpkg=kmod-$pkg-devel
1077             specdir=rpm/generic
1078             speclist="$pkg.spec $pkg-kmod.spec $pkg-dkms.spec"
1079         fi
1080
1081         bash autogen.sh || return 255
1082
1083         if  ! ./configure --with-linux=${LINUX} --with-linux-obj=${LINUXOBJ:-$LINUX} \
1084             ${spldir:+--with-spl="${spldir}"} 2>&1 ||
1085             ! make dist 2>&1; then
1086             popd
1087             return 255
1088         fi
1089         popd
1090
1091         ln -f $pkg/$pkg-*.tar.gz $TOPDIR/SOURCES ||
1092         error "failed to link $pkg/$pkg-*.tar.gz into $TOPDIR/SOURCES"
1093         if [ -f $pkg/scripts/kmodtool ]; then
1094             ln -f $pkg/scripts/kmodtool $TOPDIR/SOURCES/
1095         fi
1096
1097         local rpmb
1098         if $DO_SRC; then
1099             rpmb=-ba
1100         else
1101             rpmb=-bb
1102         fi
1103
1104         # set search dir for our own kmodtool to find correct
1105         # directories
1106         export KERNELSOURCE=$(dirname ${LINUX})
1107         # Manually build rpms
1108         for spec in $speclist; do
1109             echo "Building RPMs from $pkg/$specdir/$spec"
1110             if ! rpmbuild $rpmb $pkg/$specdir/$spec \
1111                 --nodeps -v \
1112                 --define "_use_internal_dependency_generator 0" \
1113                 --define "require_kdir ${LINUX}" \
1114                 ${LINUXOBJ:+--define "require_kobj ${LINUXOBJ}"} \
1115                 ${spldir:+--define "require_spldir ${spldir}"} \
1116                 --define "kver $kver" \
1117                 --define "kernels $kver" \
1118                 --define "_tmppath /var/tmp" \
1119                 --define "kernelbuildroot $TOPDIR/reused" \
1120                 --define "_topdir $TOPDIR" 2>&1; then
1121                 return 255
1122             fi
1123         done
1124
1125         # We have built the rpms for the package. Now we need to extract the
1126         # contained files so we can build further things against them
1127         local rpms=$(ls -1 $TOPDIR/RPMS/*/$rpmpkg-*.rpm)
1128
1129         # cpio only extract to pwd so we need to go there.
1130         pushd $TOPDIR
1131         local rpm
1132         for rpm in $rpms; do
1133             rpm2cpio $rpm | cpio -id
1134         done
1135
1136         if [ "$pkg" == "zfs" ]; then
1137             # We also need to extract both the zfs and zfs-devel rpms
1138             # the zfs rpm is needed because it has the actual libraries in
1139             # it and the zfs-devel rpm only has unversioned symlinks to the
1140             # libraries in the zfs rpm
1141             # this will all change one day when we have a libzfs rpm per
1142             # https://github.com/zfsonlinux/zfs/issues/2329
1143             # and it looks like it could be one day soon:
1144             # https://github.com/zfsonlinux/zfs/pull/2341
1145             local devel_rpms=$(ls -1 $TOPDIR/RPMS/*/{$pkg-devel,$pkg-$SPLZFSVER,lib*}-*.rpm)
1146             for rpm in $devel_rpms; do
1147                 rpm2cpio $rpm | cpio -id
1148             done
1149             CONFIGURE_FLAGS="--with-$pkg-devel=$TOPDIR ${CONFIGURE_FLAGS}"
1150             if [ -z "$spldir" ]; then
1151                 # if spldir is empty, then we are only building ZFS and need to define SPL config flags
1152                 CONFIGURE_FLAGS="--with-spl=$(ls -d $TOPDIR/usr/src/spl-*|tail -1) ${CONFIGURE_FLAGS}"
1153                 CONFIGURE_FLAGS="--with-spl-obj=$(ls -d $TOPDIR/usr/src/$pkg-*/$kver*|tail -1) ${CONFIGURE_FLAGS}"
1154             fi
1155         elif [ "$pkg" == "spl" ]; then
1156             spldir="$(ls -d $TOPDIR/usr/src/spl-*|tail -1)"
1157         fi
1158         popd
1159
1160         CONFIGURE_FLAGS="--with-$pkg=$(ls -d $TOPDIR/usr/src/$pkg-*|tail -1) ${CONFIGURE_FLAGS}"
1161         CONFIGURE_FLAGS="--with-$pkg-obj=$(ls -d $TOPDIR/usr/src/$pkg-*/$kver*|tail -1) ${CONFIGURE_FLAGS}"
1162     done
1163
1164     OSDZFSRPM=true
1165
1166     return 0
1167 }
1168
1169 stage() {
1170
1171     [ "$STAGEDIR" ] || return 0
1172
1173     rpmdir="${STAGEDIR}/${CANONICAL_TARGET}-${TARGET_ARCH}"
1174     echo "${0##*/}: Copying RPMs into ${rpmdir}"
1175     mkdir -p "${rpmdir}"
1176     for rpm in $(ls RPMS/${TARGET_ARCH}/*.rpm RPMS/noarch/*.rpm); do
1177         cp -v $rpm "${rpmdir}"
1178     done
1179
1180     cp -v "$LUSTRE" "$STAGEDIR"
1181
1182 }
1183
1184 set_rpm_smp_type() {
1185
1186     local infact_arch="${TARGET_ARCH}"
1187
1188     RPMSMPTYPE=""
1189     [ "$infact_arch" == "i586" ] && infact_arch="i686"
1190
1191     local smp_type
1192     for smp_type in $SMP_ARCHS; do
1193         [ $infact_arch == $smp_type ] && RPMSMPTYPE=smp && break
1194     done
1195
1196     for smp_type in $BIGSMP_ARCHS; do
1197         [ $infact_arch == $smp_type ] && RPMSMPTYPE=bigsmp && break
1198     done
1199
1200     for smp_type in $PPC64_ARCHS; do
1201         [ $infact_arch == $smp_type ] && RPMSMPTYPE=ppc64 && break
1202     done
1203
1204     for smp_type in $DEFAULT_ARCHS; do
1205         [ $infact_arch == $smp_type ] && RPMSMPTYPE=default && break
1206     done
1207
1208 }
1209
1210 # This function takes a linux include tree and digs out the linux release
1211 # from it. It is never called directly, only called from the distro
1212 # specific function find_linux_release() in lbuild-{rhel,sles}.
1213 _find_linux_release() {
1214     local SRC="$1"
1215     local LINUXRELEASEHEADER=""
1216
1217     LINUXRELEASEHEADER=$SRC/include/linux/version.h
1218     if [ -s $SRC/include/generated/utsrelease.h ]; then
1219         LINUXRELEASEHEADER=$SRC/include/generated/utsrelease.h
1220     elif [ -s $SRC/include/linux/utsrelease.h ]; then
1221         LINUXRELEASEHEADER=$SRC/include/linux/utsrelease.h
1222     fi
1223
1224     if [ ! -s $LINUXRELEASEHEADER ]; then
1225         fatal 1 "could not find UTS_RELEASE"
1226     fi
1227
1228     sed -ne 's/#define UTS_RELEASE "\(.*\)"$/\1/p' $LINUXRELEASEHEADER
1229 }
1230
1231 # unpack kernel(/source/devel) RPM
1232 #
1233 unpack_linux_devel_rpm() {
1234     local kernelrpm="${1}"
1235
1236     [ -f "$kernelrpm" ] || return 255
1237     [ -d $TOPDIR/reused ] || mkdir $TOPDIR/reused || return 255
1238
1239     pushd $TOPDIR/reused &>/dev/null || return 255
1240
1241     if ! rpm2cpio < "$kernelrpm" | cpio -id > /dev/null 2>&1; then
1242         return 255
1243     fi
1244
1245     # call a distro specific hook, if available
1246     if type -p unpack_linux_devel_rpm-$DISTROMAJ; then
1247         if ! unpack_linux_devel_rpm-$DISTROMAJ "$kernelrpm"; then
1248             return 255
1249         fi
1250     fi
1251
1252     popd &>/dev/null
1253
1254     find_linux_devel_paths $TOPDIR/reused
1255
1256     return 0
1257
1258 }
1259
1260 build_kernel_ib() {
1261     local linux="$1"
1262     local kib_prefix="$2"
1263     local kib_rpm="$3"
1264     local ofed_type="${4}"
1265     local ofed_version="${5}"
1266
1267     # build kernel-ib{,-devel}/compat-rdma{,-devel}
1268     local K_SRC="K_SRC"
1269
1270         local OFED_CORE="--with-core-mod --with-ipoib-mod --with-user_mad-mod \
1271         --with-user_access-mod --with-addr_trans-mod --with-innova-flex "
1272         local OFED_HARDWARE="--with-mlx4-mod --with-mlx4_en-mod \
1273         --with-srp-mod --with-iser-mod --with-isert-mod --with-mlx5-mod \
1274         --with-mlxfw-mod "
1275
1276     # some I/B drivers are architecture dependent and kernel-ib's configure
1277     # does not figure it out for us ~sigh~
1278     case "$TARGET_ARCH" in
1279         ppc64)
1280             OFED_HARDWARE="$OFED_HARDWARE --with-ehca-mod"
1281             ;;
1282     esac
1283
1284     # assume we are just rebuilding the SRPM
1285     local BUILD_TYPE=${BUILD_TYPE:-"--rebuild"}
1286     local SOURCE="${TOPDIR}/OFED/SRPMS/${kib_prefix}-*.src.rpm"
1287
1288     # but switch to building from the SPEC if we need to apply patches
1289     if ls ${TOPDIR}/lustre/contrib/patches/ofed/* >/dev/null; then
1290         BUILD_TYPE="-bb"
1291         rpm --define "_topdir ${TOPDIR}" -ivh $SOURCE
1292         SOURCE="${TOPDIR}/SPECS/${kib_prefix}.spec"
1293         local file ed_fragment1 ed_fragment2 n=1
1294         for file in $(ls ${TOPDIR}/lustre/contrib/patches/ofed/*.patch 2>/dev/null); do
1295             ed_fragment1="$ed_fragment1
1296 Patch$n: ${file%%*/}"
1297             ed_fragment2="$ed_fragment2
1298 %patch$n -p0"
1299             cp $file ${TOPDIR}/SOURCES
1300             let n=$n+1
1301         done
1302         for file in $(ls ${TOPDIR}/lustre/contrib/patches/ofed/*.ed 2>/dev/null); do
1303             # Only apply the ed-scripts that should be used for the canonical target
1304             # ed-files in ${TOPDIR}/lustre/contrib/patches/ofed/ have to follow the naming
1305             # convention
1306             # <two-digits>-<descriptive-name>:<canonical_target_1>: ...:<canonical_target_N>.ed
1307             # To apply the same change to multiple canonical target simply specify
1308             # a list of colon separated canoncial target names in the file name.
1309             echo "$file" | grep -q -e ":${CANONICAL_TARGET}:" \
1310                                    -e ":${CANONICAL_TARGET}.ed$"
1311             if [ $? -eq 0 ] ; then
1312                 ed_fragment3="$ed_fragment3
1313 $(cat $file)"
1314                 let n=$n+1
1315             fi
1316         done
1317
1318         if [ $n -gt 1 ]; then
1319             ed $SOURCE <<EOF
1320 /^Source: /a
1321 $ed_fragment1
1322 .
1323 /^%setup /a
1324 $ed_fragment2
1325 .
1326 $ed_fragment3
1327 wq
1328 EOF
1329         fi
1330     fi
1331
1332     local linuxrelease=$(find_linux_release)
1333         # a place to change/add any unique config
1334         case $ofed_type in
1335                 ofa|ifs) local K_SRC_OBJ="K_SRC_OBJ"
1336                 if ! $RPMBUILD $BUILD_TYPE --define 'build_kernel_ib 1' \
1337                         --define 'build_kernel_ib_devel 1' \
1338                         ${FIND_REQUIRES:+--define "__find_requires $FIND_REQUIRES"} \
1339                         ${FIND_KSYMS_REQUIRES:+--define "__required_ksyms_requires $FIND_KSYMS_REQUIRES"} \
1340                         --define "_topdir ${TOPDIR}" --target ${TARGET_ARCH} \
1341                         --define "KVERSION ${linuxrelease}" \
1342                         --define "$K_SRC ${linux}" \
1343                         ${K_SRC_OBJ:+--define "$K_SRC_OBJ ${linux}"} \
1344                         ${OFA_KERNEL_RELEASE:+--define "_release $OFA_KERNEL_RELEASE"} \
1345                         --define "configure_options --without-quilt $OFED_CORE $OFED_HARDWARE $OFED_ISCSI" \
1346                         ${SOURCE} 2>&1; then
1347                         fatal 1 "Error building ${kib_rpm}"
1348                 fi
1349                 ;;
1350                 mlnx)
1351                 if ! $RPMBUILD $BUILD_TYPE \
1352                         ${FIND_REQUIRES:+--define "__find_requires $FIND_REQUIRES"} \
1353                         ${FIND_KSYMS_REQUIRES:+--define "__required_ksyms_requires $FIND_KSYMS_REQUIRES"} \
1354                         ${MOFED_FLAVOR:+--define "flavors_to_build $MOFED_FLAVOR"} \
1355                         --define "_topdir ${TOPDIR}" --target ${TARGET_ARCH} \
1356                         --define "KVERSION ${linuxrelease}" \
1357                         --define "KMP 1" \
1358                         --define "$K_SRC ${linux}" \
1359                         ${OFA_KERNEL_RELEASE:+--define "_release $OFA_KERNEL_RELEASE"} \
1360                         ${SOURCE} 2>&1; then
1361                         fatal 1 "Error building ${kib_rpm}"
1362                 fi
1363                 # now that we have the kernel rpms, we need to lib rpms too
1364                 # we don't have to rebuild since MOFED include the binaries
1365                 # Starting from MOFED 5.1, rdma-core is required for libib*
1366                 if compare_version 5.1 $ofed_version; then
1367                         cp -f OFED_RPMS/rdma-core-*.${TARGET_ARCH}.rpm \
1368                         ${TOPDIR}/RPMS/${TARGET_ARCH} || \
1369                         fatal 1 "Failed to copy MOFED rpms"
1370                 fi
1371                 cp -f OFED_RPMS/{libib*,librdmacm*,ibutils*,opensm-*,infiniband-diags*}.${TARGET_ARCH}.rpm \
1372                         ${TOPDIR}/RPMS/${TARGET_ARCH} || \
1373                         fatal 1 "Failed to copy MOFED rpms"
1374                 ;;
1375         esac
1376
1377 }
1378
1379 store_for_reuse() {
1380     local articles="$1"
1381     local module="$2"
1382     local location="$3"
1383     local signature="$4"
1384     local use_links="$5"
1385
1386     local linkflag=""
1387     if $use_links; then
1388         linkflag="l"
1389     fi
1390
1391     local unique_id=$(hostname -s)
1392     if [ -z "$unique_id" ]; then
1393         fatal 1 "Failed to determine hostname."
1394     fi
1395
1396     local finallocation="$location"/"$signature"/"$module"
1397     location="$location"/"$signature-${unique_id}"/"$module"
1398     mkdir -p "$location"
1399     # the cleanup script removes any directory that doesn't have a
1400     # .lastused, so let's try to prevent that as soon as we can
1401     # this solution still slightly racy with the cleanup script
1402     # but the race is a lot tighter now
1403     touch -t 197001010000 "$location/.lastused"
1404     ## use eval/echo here to make sure shell expansions are performed
1405     #if ! cp -a${linkflag} $(eval echo $articles) "$location"; then
1406     local article
1407     for article in $(eval echo $articles); do
1408         if ! cp -a${linkflag} "$article" "$location"; then
1409             error "Failed to copy \"$article\" to \"$location\" in store_for_reuse()"
1410             # rename the cache location so that it's not cached
1411             # product, but is around for analysis
1412             mv "$location"{,-bad-$(date +%s)} ||
1413                 error "failed to clean up a failed cache attempt" \
1414                       "in \"$location\" -- manual cleanup will be" \
1415                       "necessary"
1416             return 1
1417         fi
1418     done
1419
1420     # flag the cache as complete (i.e. in case lbuild was previously
1421     # interrupted while caching)
1422     touch "$location/.lastused"
1423
1424     # put the temporary location into the final location
1425     # (last one wins)
1426     mkdir -p "${finallocation%/*}"
1427     mv "$location" "$finallocation"
1428     rmdir "${location%/*}"
1429     return 0
1430
1431 }
1432
1433 reuse() {
1434     local module="$1"
1435     local dest="$2"
1436     local use_links="${3:-false}"
1437     local signature="$4"
1438
1439     if [ -n "$REUSEBUILD" ] && [ -d "$REUSEBUILD/$signature/$module" ]; then
1440         if [ ! -f "$REUSEBUILD/$signature/$module/.lastused" ]; then
1441             # the .lastused flag is populated at the end of the caching to
1442             # signal that the caching was completed.  if that flag is not
1443             # there, then the cache is invalid (and should be removed in fact)
1444             mv "$REUSEBUILD/$signature/$module"{,-bad-$(date +%s)} ||
1445                 fatal 1 "failed to clean up a bad cache in location $REUSEBUILD/$signature/$module\" -- manual cleanup will be necessary"
1446             return 1
1447         fi
1448
1449         # so that we know how stale this entry is
1450         touch $REUSEBUILD/$signature/$module/.lastused
1451
1452         if $use_links; then
1453             if ls $REUSEBUILD/$signature/$module/* >/dev/null 2>&1; then
1454                 cp -al $REUSEBUILD/$signature/$module/* $dest/
1455             fi
1456         else
1457             # copying is pretty heavy
1458             # cp -a $REUSEBUILD/$signature/$module/* $dest/
1459             # do some creative symlinking instead
1460             local dir
1461             for dir in BUILD SRPMS SPECS; do
1462                 if ls $REUSEBUILD/$signature/$module/$dir/* >/dev/null 2>&1; then
1463                     ln -s $REUSEBUILD/$signature/$module/$dir/* $dest/$dir
1464                 fi
1465             done
1466             # sources have to be copied by file because we need SOURCES to
1467             # be a dir we can write into
1468 # could overrun ls's arg list here
1469             #ls $REUSEBUILD/$signature/$module/SOURCES/* |
1470             find $REUSEBUILD/$signature/$module/SOURCES/ -type f |
1471                 xargs ln -t $dest/SOURCES -s
1472
1473             # same for RPMS/* dirs
1474 # could overrun ls's arg list here
1475             #ls $REUSEBUILD/$signature/$module/RPMS/$TARGET_ARCH/* |
1476             local dir
1477             for dir in $REUSEBUILD/$signature/$module/RPMS/*; do
1478                 mkdir -p $dest/RPMS/${dir##*/}
1479                 find $dir -type f |
1480                   xargs ln -t $dest/RPMS/${dir##*/} -s
1481             done
1482         fi
1483         return 0
1484     else
1485         return 1
1486     fi
1487 }
1488
1489 basearch() {
1490     local arch="$1"
1491
1492     if [[ $arch = i[3456]86 ]]; then
1493         echo "i386"
1494     elif [[ $arch = aarch64 ]]; then
1495         echo "arm64"
1496     else
1497         echo "$arch"
1498     fi
1499
1500 }
1501
1502 build_kernel_with_srpm() {
1503     local outfd=$1
1504
1505     if [ -z "$outfd" ] || [ $outfd = 1 ]; then
1506         fatal 1 "You must supply a file descriptor to ${FUNCNAME[0]} and it cannot be 1"
1507     fi
1508
1509     # need to generate the patch for this target
1510     do_patch_linux false >&${outfd}    # sets global $FULL_PATCH (yeah, yuck)
1511
1512     # get an md5sum of the kernel patch + config for reuse check
1513     local release_str
1514     if $RELEASE; then
1515         local release_str="RELEASE=$RELEASE\n"
1516     fi
1517
1518     if $USE_BUILD_CACHE && [ -n "$REUSEBUILD" ]; then
1519         local REUSE_SIGNATURE=$({ echo -en $release_str;
1520                                   echo $BUILD_GEN;
1521                                   cat "$CONFIG_FILE";
1522                                   cat "$TARGET_FILE" |
1523                                   sed -e '/_VERSION=/s/_[0-9]*_g.*$//g';
1524                                   cat "$FULL_PATCH";
1525                                   cat "$LBUILD_DIR/lbuild";
1526                                   test -f lbuild-${DISTROMAJ%%[0-9]*} &&
1527                                   cat lbuild-${DISTROMAJ%%[0-9]*};
1528                                   cat "$LBUILD_DIR/lbuild-$DISTROMAJ"; } |
1529                                 md5sum | cut -d" " -f1)
1530         # see if we can link to the reuse pool
1531         # XXX - hrm.  i'm not convinced this doesn't belong in the reuse
1532         #       "library"
1533         local CAN_LINK_FOR_REUSE=false
1534         touch $REUSEBUILD/$$
1535         if cp -al $REUSEBUILD/$$ $TOPDIR/ 2>/dev/null; then
1536             CAN_LINK_FOR_REUSE=true
1537         fi
1538         rm $REUSEBUILD/$$
1539     fi
1540
1541     # the extra version string to use for the kernel (which might be a reused
1542     # kernel, remember)
1543     local kernel_extra_version=""
1544     if ! $USE_BUILD_CACHE || ! reuse kernel "$TOPDIR" "$CAN_LINK_FOR_REUSE" \
1545                                    "$REUSE_SIGNATURE"; then
1546         # nothing cached, build from scratch
1547         echo "Downloading kernel SRPM" >&${outfd}
1548         download_srpm "$CANONICAL_TARGET" "$KERNEL_SRPM" >&${outfd}
1549
1550         if ! rpm -ivh $KERNELDIR/$KERNEL_SRPM \
1551                   --define "_topdir $TOPDIR" >&${outfd} 2>&1; then
1552             # should we clean this up or leave it for analysis?
1553             #rm -rf $RPMTOPDIR
1554             fatal 1 "Error installing kernel SRPM."
1555         fi
1556
1557         # put the Lustre kernel patch into the RPM build tree
1558         cp $FULL_PATCH $TOPDIR/SOURCES/linux-${lnxmaj}-lustre.patch
1559         prepare_and_build_srpm >&${outfd} ||
1560             fatal 1 "failed to prepare_and_build_srpm"
1561
1562         if [ -z "$REUSE_SIGNATURE" ]; then
1563             echo "No reuse signature was caculated so not storing the built kernel" >&${outfd}
1564         else
1565             # store the resulting kernel RPM build tree for future use
1566             echo "Storing the built kernel for future reuse" >&${outfd}
1567             if ! store_for_reuse "$TOPDIR/{SPECS,SOURCES,SRPMS,RPMS}" \
1568                                  "kernel" "$REUSEBUILD" "$REUSE_SIGNATURE" \
1569                                  "$CAN_LINK_FOR_REUSE"; then
1570                 error "Failed to store kernel RPMS for reuse"
1571                 echo "unknown" >&${outfd}
1572                 return 1
1573             fi
1574         fi
1575     fi  # build reuse
1576
1577     # figure out the EXTRA_VERSION of the kernel we built or are re-using
1578     local KERNEL_RPM
1579     if ! KERNEL_RPM=$(find_rpm "$TOPDIR/RPMS/$TARGET_ARCH/" provides "^kernel(-default)? ="); then
1580         fatal 1 "Failed to find a kernel RPM in $TOPDIR/RPMS/$TARGET_ARCH/"
1581     fi
1582     kernel_extra_version=$(rpm -q --queryformat "%{RELEASE}" -p $TOPDIR/RPMS/$TARGET_ARCH/$KERNEL_RPM)
1583
1584     # should now have the following RPMs
1585     # $TOPDIR/RPMS/$arch/kernel-lustre-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1586     # $TOPDIR/RPMS/$arch/kernel-lustre-devel-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1587     # $TOPDIR/RPMS/$arch/kernel-lustre-headers-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1588     # $TOPDIR/RPMS/$arch/kernel-lustre-debuginfo-common-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1589     # $TOPDIR/RPMS/$arch/kernel-lustre-debuginfo-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1590
1591     echo $kernel_extra_version
1592     return 0
1593
1594 }
1595
1596 # build OFED
1597 # globals used:
1598 #    TOPDIR
1599 #    REUSEBUILD, USE_BUILD_CACHE
1600 #    CONFIGURE_FLAGS
1601
1602 build_ofed() {
1603         local linux="$1"
1604         local ofed_type="$2"
1605         local ofed_version="$3"
1606         local kib_prefix
1607         local kib_rpm
1608         local pre_prefix
1609         local o2ib_location
1610         local rpm
1611
1612     if [ "$ofed_version" = "inkernel" ]; then
1613         # see if there is a distro specific override for this and use
1614         # that if it exists
1615         # XXX we need to better integrate a distro specific override with
1616         #     the rest of this function so that all of the reuse cache
1617         #     stuff is leveraged given that 80% of this function is reuse
1618         if type -p build_ofed-$DISTROMAJ; then
1619             local ofed_location
1620             ofed_location=$(build_ofed-$DISTROMAJ ${STDOUT})
1621             local rc=${PIPESTATUS[0]}
1622             CONFIGURE_FLAGS="--with-o2ib=${ofed_location} ${CONFIGURE_FLAGS}"
1623             return $rc
1624         else
1625             return 0
1626         fi
1627         else
1628                 case $ofed_type in
1629                         mlnx) # no compat-rdma for mlnx as of 3.1
1630                                 kib_prefix="ofa_kernel"
1631                                 pre_prefix="mlnx-"
1632                                 kib_rpm="${pre_prefix}${kib_prefix}"
1633                                 ;;
1634                         ofa|ifs)
1635                                 if compare_version $ofed_version 3.0; then
1636                                         kib_prefix="ofa_kernel"
1637                                         kib_rpm="${pre_prefix}${kib_prefix}"
1638                                 else
1639                                         kib_prefix="compat-rdma"
1640                                         kib_rpm="compat-rdma"
1641                                 fi
1642                                 ;;
1643                 esac
1644         fi
1645
1646     # build kernel-ib/compat-rdma
1647     if $USE_BUILD_CACHE && [ -n "$REUSEBUILD" ]; then
1648         local REUSE_SIGNATURE=$({ echo "$ofed_version";
1649                                   echo "$(find_linux_release;
1650                                   echo "$BUILD_GEN")";
1651                                   cat "${linux}/include/linux/autoconf.h";
1652                                   cat "$LBUILD_DIR/lbuild";
1653                                   test -f lbuild-${DISTROMAJ%%[0-9]*} &&
1654                                   cat lbuild-${DISTROMAJ%%[0-9]*};
1655                                   cat "$LBUILD_DIR/lbuild-$DISTROMAJ"; } |
1656                                 md5sum | cut -d" " -f1)
1657         # see if we can link to the reuse pool
1658         # XXX - hrm.  i'm not convinced this doesn't belong in the reuse
1659         #       "library"
1660         local CAN_LINK_FOR_REUSE=false
1661         touch $REUSEBUILD/$$
1662         if cp -al $REUSEBUILD/$$ $TOPDIR/; then
1663             CAN_LINK_FOR_REUSE=true
1664         fi
1665         rm $REUSEBUILD/$$
1666     fi
1667
1668     if ! $USE_BUILD_CACHE || ! reuse ofed "$TOPDIR" "$CAN_LINK_FOR_REUSE" \
1669                                    "$REUSE_SIGNATURE"; then
1670         if [ -n "$REUSE_SIGNATURE" ]; then
1671             # stash away the existing built articles for a moment
1672             mkdir bak
1673             mv {BUILD,{S,}RPMS,S{OURCE,PEC}S} bak
1674             function mv_back {
1675                 pushd bak
1676                 find . | cpio -pudlm ..
1677                 popd
1678                 rm -rf bak
1679             }
1680             create_rpmbuild_dirs
1681         fi
1682         # build it
1683         build_kernel_ib "${linux}" "${pre_prefix}${kib_prefix}" "${kib_rpm}" \
1684                         "${ofed_type}" "${ofed_version}"
1685
1686         if [ -z "$REUSE_SIGNATURE" ]; then
1687             echo "No reuse signature was caculated so not storing the built ofed"
1688         else
1689             # store the resulting RPM build tree for future use
1690             echo "Storing the built ofed for future reuse"
1691             if ! store_for_reuse "$TOPDIR/{SPECS,SOURCES,BUILD,SRPMS,RPMS}" \
1692                                  "ofed" "$REUSEBUILD" "$REUSE_SIGNATURE" \
1693                                  "$CAN_LINK_FOR_REUSE"; then
1694                 error "Failed to store OFED RPMS for reuse"
1695                 mv_back
1696                 return 1
1697             fi
1698             # put the stuff we stashed away back
1699             mv_back
1700         fi
1701     fi
1702
1703     pushd "$TOPDIR" >/dev/null
1704     rm -rf ${kib_rpm}-devel
1705     mkdir ${kib_rpm}-devel
1706     cd ${kib_rpm}-devel
1707
1708         case $ofed_type in
1709                 mlnx) # Prior to MOFED 3.1, we had to use build_kernel_ib=1 to
1710                       # build devel rpm. not so after 3.1
1711                         if compare_version $ofed_version 3.0; then
1712                                 rpm=$(ls $TOPDIR/RPMS/*/kernel-ib-devel-${ofed_version%%-*}-*.rpm)
1713                         else
1714                                 rpm=$(ls $TOPDIR/RPMS/*/${kib_rpm}-devel-${ofed_version%%-*}-*.rpm)
1715                         fi
1716                         ;;
1717                 ofa) # Prior to OFA 3.18, we had to use build_kernel_ib=1 during configure,
1718                      # not so after 3.18
1719                         if compare_version $ofed_version 3.18; then
1720                                 rpm=$(ls $TOPDIR/RPMS/*/kernel-ib-devel-${ofed_version%%-*}-*.rpm)
1721                         else
1722                                 rpm=$(ls $TOPDIR/RPMS/*/${kib_rpm}-devel-${ofed_version%%-*}-*.rpm)
1723                         fi
1724                         ;;
1725                 ifs) # ifs doesn't follow any convention (if any)
1726                         rpm=$(ls $TOPDIR/RPMS/*/${kib_rpm}-devel-*.rpm)
1727                         ;;
1728         esac
1729         if ! rpm2cpio < $rpm | cpio -id; then
1730                 fatal 1 "could not unpack the $rpm."
1731         fi
1732         # find the path (this might not work for ofa and ifs)
1733         o2ib_location=$(find $(pwd)/usr/src/${kib_prefix} -type d -name ofed_scripts)
1734         CONFIGURE_FLAGS="--with-o2ib=$(dirname ${o2ib_location}) ${CONFIGURE_FLAGS}"
1735         popd >/dev/null
1736
1737 }
1738
1739 build_with_srpm() {
1740         local ofed_type="$1"
1741         local ofed_version="$2"
1742         local kernelrpm
1743
1744         if ! $PATCHLESS; then
1745                 if $PATCHLESS_SERVER; then
1746                         # need to find and unpack the vendor's own kernel-devel
1747                         # for patchless server build
1748                         if ! kernelrpm=$(find_linux_rpm "-$DEVEL_KERNEL_TYPE"); then
1749                                 fatal 1 "Could not find the kernel-$DEVEL_KERNEL_TYPE RPM in $KERNELRPMSBASE/$lnxmaj/$DISTROMAJ"
1750                         fi
1751                         if ! lnxrel="$lnxrel" unpack_linux_devel_rpm "$kernelrpm" "-"; then
1752                                 fatal 1 "Could not find the Linux tree in $kernelrpm"
1753                         fi
1754                         # download and unpack kernel-debuginfo-common (only in EL)
1755             if [[ -n "$KERNEL_DEBUGINFO" ]]; then
1756                                 download_debuginfo_common "$KERNEL_DEBUGINFO"
1757                                 if ! lnxrel="$lnxrel" unpack_linux_devel_rpm \
1758                                         "$KERNELRPMSBASE/$lnxmaj/$DISTROMAJ/$TARGET_ARCH/$KERNEL_DEBUGINFO"; then
1759                                         fatal 1 "Could not find the Linux debuginfo common rpm in $KERNELRPMSBASE/$lnxmaj/$DISTROMAJ/$TARGET_ARCH/$KERNEL_DEBUGINFO"
1760                                 fi
1761                         fi
1762                 else
1763                         local kernel_extra_version
1764                         if ! kernel_extra_version=$(build_kernel_with_srpm ${STDOUT}); then
1765                                 fatal 1 "Failed to build the kernel from it's SRPM"
1766                         fi
1767
1768                         local kernel_devel_rpm
1769                         if ! kernel_devel_rpm=$(find_rpm "$TOPDIR/RPMS/${TARGET_ARCH}/" provides "^$(devel_kernel_name $KERNEL_LUSTRE_NAMING) ="); then
1770                                 fatal 1 "Failed to find a kernel development RPM in $TOPDIR/RPMS/${TARGET_ARCH}/"
1771                         fi
1772
1773                         # install the -devel RPM in preparation for modules builds
1774                         if ! lnxrel="$kernel_extra_version" unpack_linux_devel_rpm \
1775                                 "$TOPDIR/RPMS/${TARGET_ARCH}/$kernel_devel_rpm"; then
1776                                 fatal 1 "Could not find the Linux tree in $TOPDIR/RPMS/${TARGET_ARCH}/$kernel_devel_rpm"
1777                         fi
1778                 fi
1779         else
1780                 # need to find and unpack the vendor's own kernel-devel for patchless
1781                 # client build
1782                 if ! kernelrpm=$(find_linux_rpm "-$DEVEL_KERNEL_TYPE"); then
1783                         fatal 1 "Could not find the kernel-$DEVEL_KERNEL_TYPE RPM in $KERNELRPMSBASE/$lnxmaj/$DISTROMAJ"
1784                 fi
1785                 if ! lnxrel="$lnxrel" unpack_linux_devel_rpm "$kernelrpm" "-"; then
1786                         fatal 1 "Could not find the Linux tree in $kernelrpm"
1787                 fi
1788         fi
1789
1790         # ~sigh~  have to make copies of and modify some of the rpm
1791         # infrastructure files so that find-requires can find our unpacked
1792         # kernel-devel artifacts
1793         cp $RPM_HELPERS_DIR/{symset-table,find-requires{,.ksyms}} .
1794         export FIND_REQUIRES="$(pwd)/find-requires"
1795         export FIND_KSYMS_REQUIRES="$(pwd)/find-requires.ksyms"
1796         chmod 755 {symset-table,find-requires{,.ksyms}}
1797         local tmp="$(pwd)"
1798         tmp="${tmp//\//\\/}"
1799         sed -i "s/\/.*find-requires.ksyms/$tmp\/find-requires.ksyms/g" find-requires
1800         sed -i "s/\/usr\/src\/kernels/$tmp\/reused\/usr\/src\/kernels/" find-requires.ksyms
1801         sed -i "s/\/boot/$tmp\/reused\/boot/; s/\/usr\/src\/kernels/$tmp\/reused\/usr\/src\/kernels/" symset-table
1802
1803         build_ofed "${LINUXOBJ:-$LINUX}" "$ofed_type" "$ofed_version" ||
1804         fatal 1 "error building OFED"
1805
1806     # now build Lustre
1807     if build_lustre "$LINUX" "$LINUXOBJ"; then
1808         # the build worked.  resolve any symlinked files (i.e. from reuse)
1809         # in RPMS/$arch to real files so that that that huge mess of
1810         # complication known as LTS can copy them yet somewhere else.
1811         # is it any wonder this whole process is so damn so?  anyone ever
1812         # heard of hardlinks?  it's this cool new thing that allows you save
1813         # tons of time and space by creating... well you can go read about
1814         # them if you have not heard about them yet.
1815         # can i say how much the implemenation of all of this really impedes
1816         # RPM reuse?
1817         local dir
1818         for dir in RPMS/*; do
1819             pushd $dir
1820             for file in $(ls); do
1821                 if [ -h $file ]; then
1822                     cp $file foo
1823                     mv foo $file
1824                 fi
1825             done
1826             popd
1827         done
1828         # also, for i?86, make sure all of the RPMs are in RPMS/$TARGET_ARCH
1829         # as that's where LTS expects to find them
1830         for dir in RPMS/*; do
1831             if [ $dir = RPMS/$TARGET_ARCH ]; then
1832                 continue
1833             fi
1834             pushd $dir
1835             local files=$(ls)
1836             if [ -n "$files" ]; then
1837                 cp -al $files ../$TARGET_ARCH
1838             fi
1839             popd
1840         done
1841     else
1842         return 1
1843     fi
1844
1845 }
1846
1847 create_rpmbuild_dirs() {
1848
1849         [ -d RPMS ] || mkdir RPMS
1850         [ -d RPMS/${TARGET_ARCH} ] || mkdir RPMS/${TARGET_ARCH}
1851         [ -d RPMS/noarch ] || mkdir RPMS/noarch
1852         [ -d BUILD ] || mkdir BUILD
1853         [ -d SOURCES ] || mkdir SOURCES
1854         [ -d SPECS ] || mkdir SPECS
1855         [ -d SRPMS ] || mkdir SRPMS
1856
1857 }
1858
1859 new_list() {
1860
1861     echo ""
1862
1863 }
1864
1865 add_list() {
1866     local list="$1"
1867     local item="$2"
1868
1869     echo "$list $item"
1870
1871 }
1872
1873 is_list_member() {
1874     local list="$1"
1875     local item="$2"
1876
1877     [[ $list\  == *\ $item\ * ]]
1878
1879 }
1880
1881 #########################################################################
1882 # Generate a backtrace through the call stack.
1883 #
1884 # Input: None
1885 # Output: None
1886 #########################################################################
1887 backtrace() {
1888     local strip=${1:-1}
1889
1890     local funcname="" sourcefile="" lineno="" n
1891
1892     echo "Call stack: (most recent first)"
1893     for (( n = $strip ; n < ${#FUNCNAME[@]} ; ++n )) ; do
1894         funcname=${FUNCNAME[$n - 1]}
1895         sourcefile=$(basename ${BASH_SOURCE[$n]})
1896         lineno=${BASH_LINENO[$n - 1]}
1897         if [ $n = 1 ]; then
1898             let lineno-=11
1899         fi
1900         # Display function arguments
1901         if [[ ! -z "${BASH_ARGV[@]}" ]]; then
1902             local args newarg j p=0
1903             for (( j = ${BASH_ARGC[$n - 1]}; j > 0; j-- )); do
1904                 newarg=${BASH_ARGV[$j + $p - 1]}
1905                 args="${args:+${args} }'${newarg}'"
1906             done
1907             let p+=${BASH_ARGC[$n - 1]}
1908         fi
1909         echo "  ${funcname} ${args:+${args} }at ${sourcefile}:${lineno}"
1910     done
1911
1912     echo
1913     echo "BEGIN BACKTRACE"
1914
1915     #echo ${BASH_LINENO[*]}
1916     #echo ${BASH_SOURCE[*]}
1917     #echo ${FUNCNAME[*]}
1918     local i=$((${#FUNCNAME[@]} - 1))
1919     while [ $i -ge 0 ]; do
1920         local lineno=${BASH_LINENO[$i]}
1921         if [ $i = 0 ]; then
1922             let lineno-=11
1923         fi
1924         local SOURCELINE="${BASH_SOURCE[$i + 1]}:${lineno}"
1925         # Can't figure out how to get function args from other frames...
1926         local FUNCTION="${FUNCNAME[$i]}()"
1927         echo "$SOURCELINE:$FUNCTION"
1928         i=$((i - 1))
1929     done
1930
1931     echo "END BACKTRACE"
1932
1933     echo $BACKTRACE
1934
1935 }
1936
1937 seen_list=$(new_list)
1938 trap 'set +x;
1939 echo "An unexpected error has occurred at ${BASH_SOURCE[0]##*/}:$((LINENO-1)).
1940 Unfortunately the above line number in the message may or may not be correct,
1941 but details have been send to the lbuild maintainer.  Attempting to continue."; (echo "Untrapped error"
1942 echo
1943 # have we seen this one
1944 echo "checking seen list for ${BASH_SOURCE[0]}:${BASH_LINENO[0]}"
1945
1946 if is_list_member "$seen_list" "${BASH_SOURCE[0]}:${BASH_LINENO[0]}"; then
1947   echo "seen this one already"
1948 else
1949   seen_list=$(add_list "$seen_list" "${BASH_SOURCE[0]}:${BASH_LINENO[0]}")
1950 fi
1951 backtrace
1952 ) ; set $xtrace' ERR
1953 set -E
1954
1955 [ -r ~/.lbuildrc ] && . ~/.lbuildrc
1956
1957 options=$(getopt -o D:h -l kerneltree:,distro:,kernelrpm:,reusebuild:,\
1958 patchless,patchless-server,enable-kernel-debug,ccache,norpm,external-patches:,timestamp:,\
1959 extraversion:,kerneldir:,linux:,lustre:,nodownload,nosrc,noiokit,ofed-type:,\
1960 ofed-version:,mlnx-version:,ofed-src:,publish,disable-zfs,release,set-value:,\
1961 src,stage:,target:,with-linux:,xen -- "$@")
1962
1963 if [ $? != 0 ]; then
1964     usage 1
1965 fi
1966
1967 eval set -- "$options"
1968
1969 while [ "$1" ]; do
1970     case "$1" in
1971         '')
1972             usage 1
1973             ;;
1974         --ccache)
1975             CCACHE='ccache'
1976             shift
1977             ;;
1978         -D)
1979             DATE=$2
1980             shift 2
1981             ;;
1982         --external-patches)
1983             EXTERNAL_PATCHES=$2
1984             shift 2
1985             ;;
1986         --extraversion)
1987             EXTRA_VERSION=$2
1988             shift 2
1989             ;;
1990         --help | -h)
1991             usage 0
1992             ;;
1993         --kerneldir)
1994             KERNELDIR=$2
1995             shift 2
1996             ;;
1997         --kerneltree)
1998             if ! KERNELTREE=$(canon_path "$2"); then
1999                 fatal 1 "Could not determine the canonical location of $2"
2000             fi
2001             shift 2
2002             ;;
2003         --linux | --with-linux)
2004             if ! LINUX=$(canon_path "$2"); then
2005                 fatal 1 "Could not determine the canonical location of $2"
2006             fi
2007             shift 2
2008             ;;
2009         --distro)
2010             DISTRO=$2
2011             shift 2
2012             ;;
2013         --reusebuild)
2014             if ! REUSEBUILD=$(canon_path "$2"); then
2015                 fatal 1 "Could not determine the canonical location of $2"
2016             fi
2017             shift 2
2018             ;;
2019         --norpm)
2020             shift
2021             ;;
2022         --noiokit)
2023             IOKITRPM=false
2024             shift
2025             ;;
2026         --patchless)
2027             PATCHLESS=true
2028             shift
2029             ;;
2030         --patchless-server)
2031                 PATCHLESS_SERVER=true
2032                 shift
2033                 ;;
2034         --enable-kernel-debug)
2035                 ENABLE_KERNEL_DEBUG=true
2036                 shift
2037                 ;;
2038         --kernelrpm)
2039             if ! KERNELRPMSBASE=$(canon_path "$2"); then
2040                 fatal 1 "Could not determine the canonical location of $2"
2041             fi
2042             shift 2
2043             ;;
2044         --timestamp)
2045             TIMESTAMP=$2
2046             shift 2
2047             ;;
2048         --lustre)
2049             if ! LUSTRE=$(canon_filepath "$2"); then
2050                 fatal 1 "Could not determine the canonical location of $2"
2051             fi
2052             shift 2
2053             ;;
2054         --nodownload)
2055             DOWNLOAD=false
2056             shift 1
2057             ;;
2058         --nosrc)
2059             DO_SRC=false
2060             shift 1
2061             ;;
2062         --ofed-version)
2063             OFED_VERSION="$2"
2064             shift 2
2065             ;;
2066         --ofed-type)
2067                 OFED_TYPE="$2"
2068                 shift 2
2069                 ;;
2070         --ofed-src)
2071                 OFED_SRC="$2"
2072                 shift 2
2073                 ;;
2074         --publish)
2075             shift
2076             ;;
2077         --disable-zfs)
2078             WITH_ZFS="no"
2079             shift
2080             ;;
2081         --release)
2082             RELEASE=true
2083             shift
2084             ;;
2085         --src)
2086             DO_SRC=true
2087             shift 1
2088             ;;
2089         --stage)
2090             STAGEDIR=$2
2091             shift 2
2092             ;;
2093         --target)
2094             TARGET=$2
2095             shift 2
2096             ;;
2097         --xen)
2098             XEN=true
2099             shift
2100             ;;
2101         --set-value)
2102             eval $2
2103             shift 2
2104             ;;
2105         --)
2106             shift
2107             # there are actually some lustre configure flags that we need to
2108             # handle ourselves (but we still give them to configure)
2109             if [[ \ $@\  == *\ --disable-tests\ * ]]; then
2110                 LUSTRE_TESTS=false
2111             fi
2112             CONFIGURE_FLAGS=$@
2113             break
2114             ;;
2115         *)
2116             usage 1 "Unrecognized option: $1"
2117             ;;
2118     esac
2119 done
2120
2121 check_options
2122
2123 unpack_lustre
2124
2125 load_target
2126
2127         if [ -n "$OFED_TYPE" -a "$OFED_TYPE" != "inkernel" ]; then
2128                 download_ofed "$OFED_TYPE" "$OFED_VERSION"
2129                 unpack_ofed "$OFED_TYPE" "$OFED_VERSION" || fatal 1 "Error unpacking OFED tarball"
2130         fi
2131
2132 # make sure the RPM build environment is set up
2133 create_rpmbuild_dirs
2134
2135 # if an unpacked kernel source tree was given on the command line
2136 # just build lustre with it (nothing distro kernel specific here)
2137 if [ -n "$LINUX" ]; then
2138     find_linux_release() {
2139         _find_linux_release $LINUX
2140     }
2141         build_ofed "${LINUXOBJ:-$LINUX}" "$OFED_TYPE" "$OFED_VERSION" ||
2142         fatal 1 "error building OFED"
2143     build_lustre "$LINUX" "$LINUXOBJ"
2144 else
2145     if [ ! -f "${LBUILD_DIR}/lbuild-$DISTROMAJ" ]; then
2146         fatal 1 "${LBUILD_DIR}/lbuild-$DISTROMAJ not found"
2147     fi
2148     source ${LBUILD_DIR}/lbuild-$DISTROMAJ
2149         build_with_srpm "$OFED_TYPE" "$OFED_VERSION" || fatal 1 "Failed to build_with_srpm"
2150 fi
2151
2152 stage