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=1
  33 #BUILD_GEN=2    # bz19952: remove -lustre tag from kernel RPM names
  34 #BUILD_GEN=3    # bz19975: enable the building of src.rpms by default
  35 #BUILD_GEN=4    # bz22281: use the git hash in the kernel extra version
  36 #BUILD_GEN=5    # TT-107: don't cache the BUILD dir
  37 BUILD_GEN=6     # TT-1092: don't cache the BUILD dir, to rebuild external OFED
  38
  39 TOPDIR="$PWD"
  40
  41 KERNELDIR=
  42 LINUX=
  43 LUSTRE=
  44 RELEASE=false
  45 # XXX - some recent hacking has pretty much neutered this option.
  46 #       search through this file for "-bb" and see how many places
  47 #       simply don't account for this option
  48 DO_SRC=true
  49 DOWNLOAD=true
  50 CANONICAL_TARGET=
  51 TARGET=
  52 TARGET_ARCH="$(uname -m)"
  53 # change default behavior to only build for the current arch
  54 TARGET_ARCHS="$TARGET_ARCH"
  55 TARGET_ARCHS_ALL="$TARGET_ARCH"
  56 [ "$TARGET_ARCH" = "i686" ] && TARGET_ARCHS_ALL="i686 i586 i386"
  57 CONFIGURE_FLAGS=
  58 EXTERNAL_PATCHES=
  59 EXTRA_VERSION=
  60 STAGEDIR=
  61 TMPDIR=${TMPDIR:-"/var/tmp"}
  62 TIMESTAMP=
  63 # default OFED
  64 OFED_TYPE="inkernel"
  65 # this is the dir that should be used to store reuse products
  66 REUSEBUILD=
  67 # should cached products be used or force rebuilding?
  68 USE_BUILD_CACHE=true
  69 # what does this do exactly?  does it imply no kernel build?
  70 IOKITRPM=true
  71 OSDLDISKFSRPM=true
  72 OSDZFSRPM=false
  73 SMPTYPES="smp bigsmp default ''"
  74 PATCHLESS=false
  75 WITH_ZFS=""
  76 XEN=false
  77 LINUXOBJ=
  78 DISTRO=
  79 KERNELTREE=
  80 # default to not adding -lustre- into the kernel RPM package names
  81 KERNEL_LUSTRE_NAMING=false
  82 # default not use kabi check.
  83 USE_KABI=false
  84
  85 # patchless build
  86 KERNELRPMSBASE=
  87 RPMSMPTYPE=
  88
  89 # from target file
  90 SERIES=
  91 BASE_ARCHS=
  92 BIGMEM_ARCHS=
  93 BOOT_ARCHS=
  94 JENSEN_ARCHS=
  95 SMP_ARCHS=
  96 BIGSMP_ARCHS=
  97 PSERIES64_ARCHS=
  98 UP_ARCHS=
  99
 100 # not in the target file any more
 101 CONFIG=
 102
 103 # build the lustre-tests rpm?
 104 LUSTRE_TESTS=true
 105
 106 DATE=$(date)
 107
 108 RPMBUILD=
 109
 110 export CC=${CC:-gcc}
 111
 112 # Readlink is not present on some older distributions: emulate it.
 113 readlink() {
 114     local path=$1 ll
 115
 116     if [ -L "$path" ]; then
 117         ll="$(LC_ALL=C ls -l "$path" 2> /dev/null)" &&
 118         echo "${ll/* -> }"
 119     else
 120         return 1
 121     fi
 122 }
 123
 124 usage() {
 125     cat <<EOF
 126 Usage: ${0##*/} [OPTION]... [-- <lustre configure options>]
 127
 128   --external-patches=EXTERNAL_PATCHES
 129     Directory similar to lustre/lustre/kernel_patches/ that lbuild should
 130     look for seres and config files in before looking in the lustre
 131     tree.
 132
 133   --extraversion=EXTRAVERSION
 134     Text to use for the rpm release and kernel extraversion.
 135
 136   --timestamp=TIMESTAMP
 137     Date of building lustre in format YYYYMMDDhhmmss
 138
 139   --reusebuild=DIR
 140     Try to reuse old kernel builds from DIR
 141
 142   --kernelrpm=DIR
 143     Path to distro kernel RPM collection
 144
 145   --ccache
 146     Use ccache
 147
 148   --norpm
 149     Unused.
 150
 151   --patchless
 152     Build lustre client only
 153
 154   --distro=DISTRO
 155     Which distro using. Autodetect by default
 156
 157   --kerneldir=KERNELDIR
 158     Directory containing Linux source tarballs referenced by target
 159     files.
 160
 161   --kerneltree=KERNELTREE
 162     Directory containing dirs with Linux source tarballs referenced by target
 163     files. Dir names in format kernel version ('2.6.9', etc.)
 164
 165   --linux=LINUX --with-linux=LINUX
 166     Directory of Linux kernel sources.  When this option is used, only
 167     Lustre modules and userspace are built.
 168
 169   --lustre=LUSTRE
 170     Path to an existing lustre source tarball to use.
 171
 172   --nodownload
 173     Do not try to download a kernel from downloads.hpdd.intel.com
 174
 175   --nosrc
 176     Do not build a .src.rpm, a full kernel patch, or a patched kernel
 177     tarball.
 178
 179   --ofed-type
 180     Type of OFED to build with lustre: inkernel, ofa, mlnx, ifs
 181     ofa: OpenFabrics Alliance
 182     mlnx: Mellanox
 183     ifs: Intel True Scale Fabric
 184
 185   --ofed-version
 186     Version of external OFED to build with lustre
 187
 188   --mlnx-version
 189     Version of external Mellanox OFED to build with lustre
 190
 191   --ofed-src
 192     Tarball for either OFED. Tarball must follow below format
 193     OFED-<ofed-version>.tgz regardless of vendors
 194     It's likely that you need to reconstruct the directory name
 195     It must be placed under KERNELTREE directory
 196
 197   --ldiskfs
 198     Build with ldiskfs support. (Deprecated, always true)
 199
 200   --noiokit
 201     Do not build lustre-iokit RPM. Now true by default
 202
 203   --publish
 204     Unused.
 205
 206   --release
 207     Specifies that the files generated do not include timestamps, and
 208     that this is an official release.
 209
 210   --disable-zfs
 211     Build Lustre without ZFS.
 212
 213   --src
 214     Build a .src.rpm, a full kernel patch, and a patched kernel tarball.
 215
 216   --stage=DIR
 217     Directory used to stage packages for release.  RPMs will be placed
 218     more or less in DIR/<target>-<arch>, and the tarball will be
 219     placed in DIR.
 220
 221   --target=TARGET
 222     The name of the target to build.  The available targets are listed
 223     below.
 224
 225   --target-archs=TARGET_ARCHS
 226     A (space delimited) list of architectures to build.  By default,
 227     all of the archs supported by the TARGET will be built, in
 228     addition to a .src.rpm.  This option can limit those, for machines
 229     that can only build certain archs or if you only want a certain
 230     arch built (for testing, or a one-off kernel).
 231
 232     Also note that by using a non-"base" arch (eg, i386) only kernels
 233     will be built - there will be no lustre-lite-utils package.
 234
 235   --xen
 236     Builds a Xen domX kernel.
 237
 238   --set-value
 239     Sets a variable to a given value.
 240
 241 EOF
 242
 243 #   list_targets
 244
 245     fatal "$1" "$2"
 246 }
 247
 248 # canonicalize a relative path to a file
 249 canon_filepath() {
 250     local PATH="$1"
 251
 252     if [ ! -f "$PATH" ]; then
 253         return 1
 254     fi
 255
 256     local FILE=${PATH##*/}
 257     local DIR=${PATH%/*}
 258
 259     echo $(canon_path "$DIR")/$FILE
 260     return 0
 261 }
 262
 263 # canonicalize a relative path to a dir
 264 canon_path() {
 265     local PATH="$1"
 266
 267     if [ ! -d "$PATH" ]; then
 268         return 1
 269     fi
 270
 271     pushd "$PATH" >/dev/null || return 1
 272     local CANONPATH=$PWD
 273     popd >/dev/null
 274
 275     echo "$CANONPATH"
 276     return 0
 277 }
 278
 279 check_options() {
 280
 281     if [ -z "$LUSTRE" -o ! -r "$LUSTRE" ]; then
 282         usage 1 "Could not find Lustre source tarball '$LUSTRE'."
 283     fi
 284
 285         if [ -n "${OFED_SRC}" ]; then
 286                 if [ -z "${OFED_VERSION}" ]; then
 287                         usage 1 "Need to provide version for file ${OFED_SRC}."
 288                 fi
 289                 if [ "${OFED_TYPE}" = "inkernel" ]; then
 290                         usage 1 "Need to provide ofed type for file ${OFED_SRC}."
 291                 fi
 292         else
 293                 if [ "${OFED_TYPE}" != "inkernel" -a -z "${OFED_VERSION}" ]; then
 294                         usage 1 "Need to provide version for $OFED_TYPE OFED"
 295                 fi
 296
 297                 if [ "${OFED_TYPE}" = "inkernel" -a -n "${OFED_VERSION}" ]; then
 298                         usage 1 "Can not specify version with inkernel OFED"
 299                 fi
 300         fi
 301
 302     if [ -z "$DISTRO" ] ; then
 303         DISTRO=$(autodetect_distro)
 304         # remove separator
 305         DISTRO=${DISTRO/-/}
 306     fi
 307     DISTROMAJ=${DISTRO%%.*}
 308
 309     [ -z "$TARGET" ] && TARGET=$(autodetect_target "$DISTRO")
 310
 311     if [ -z "$LINUX" ]; then
 312         [ "$KERNELDIR" -o "$KERNELTREE" ] || \
 313             usage 1 "A kernel directory must be specified with --kerneldir or --kerneltree."
 314
 315         [ -d "$KERNELDIR" -o -d "$KERNELTREE" ] || \
 316             usage 1 "$KERNELDIR and $KERNELTREE are not a directory."
 317
 318 #       TARGET_FILE="$TOPDIR/lustre/kernel_patches/targets/$TARGET.target"
 319 #       [ -r "$TARGET_FILE" ] || \
 320 #               usage 1 "Target '$TARGET' was not found."
 321     fi
 322
 323     case $TARGET in
 324         3.12-sles12 | 4.4-sles12)
 325             CANONICAL_TARGET="sles12"
 326             ;;
 327         3.10-rhel7)
 328             CANONICAL_TARGET="rhel7"
 329             ;;
 330         2.6-rhel6*)
 331             CANONICAL_TARGET="rhel6"
 332             ;;
 333         2.6-rhel5)
 334             CANONICAL_TARGET="rhel5"
 335             ;;
 336         2.6-rhel4)
 337             CANONICAL_TARGET="rhel-2.6"
 338             ;;
 339         2.6-suse)
 340             CANONICAL_TARGET="sles-2.6"
 341             ;;
 342         2.6-sles10)
 343             CANONICAL_TARGET="sles10-2.6"
 344             ;;
 345         2.6-sles11 | 3.0-sles11)
 346             CANONICAL_TARGET="sles11"
 347             ;;
 348         2.6-oel5)
 349             CANONICAL_TARGET="oel5"
 350             ;;
 351         hp_pnnl-2.4)
 352             CANONICAL_TARGET="hp-pnnl-2.4"
 353             ;;
 354         2.6-vanilla \
 355             | suse-2.4.21-2 \
 356             | rh-2.4 \
 357             | rhel-2.4 \
 358             | sles-2.4 \
 359             | 2.6-patchless)
 360                 CANONICAL_TARGET="$TARGET"
 361                 ;;
 362     esac
 363
 364     local timestampnodig=$(echo $TIMESTAMP | sed -e s/[0-9]*//g)
 365     [ "$timestampnodig" = "" ] || TIMESTAMP=$(date -d "$DATE" "+%Y%m%d%H%M%S")
 366     local timestamplength="${#TIMESTAMP}"
 367     if [ $timestamplength -eq 12 ]; then
 368         TIMESTAMP="${TIMESTAMP}00"
 369     elif [ $timestamplength -ne 14 ]; then
 370         TIMESTAMP=$(date -d "$DATE" "+%Y%m%d%H%M%S")
 371     fi
 372
 373     RPMBUILD=$(which rpmbuild 2>/dev/null | head -n 1)
 374     RPMBUILD=${RPMBUILD:-$(which rpm 2>/dev/null | head -n 1)}
 375     if [ -z "$RPMBUILD" ]; then
 376         usage 1 "Could not find binary for making rpms (tried rpmbuild and rpm)."
 377     fi
 378
 379     local BINDIR="$TOPDIR/bin"
 380     if [ -d $BINDIR ]; then
 381         rm -rf $BINDIR >/dev/null 2>&1 || true
 382     fi
 383
 384     mkdir -p $BINDIR || fatal 1 "error trying to create $BINDIR"
 385     export PATH=$BINDIR:$PATH
 386
 387     cat >${BINDIR}/rpmbuild <<EOF
 388 #!/bin/bash
 389
 390 ARGS="\${FIND_REQUIRES:+--define \"__find_requires \$FIND_REQUIRES\"}"
 391 for arg; do
 392     case \$arg in
 393     *\'* ) ARGS="\$ARGS \"\$arg\"" ;;
 394     * ) ARGS="\$ARGS '\$arg'" ;;
 395     esac
 396 done
 397
 398 eval $RPMBUILD \$ARGS
 399 EOF
 400     chmod 755 ${BINDIR}/rpmbuild
 401
 402     if [ -n "$CCACHE" ]; then
 403         which "$DISTCC" &>/dev/null && export DISTCC RPM_BUILD_NCPUS
 404
 405         if which "$CCACHE" &>/dev/null; then
 406             local ccache=$(which "$CCACHE" 2>/dev/null | head -n 1)
 407
 408             ln -s "$ccache" ${BINDIR}/ccache
 409             ln -s "$ccache" ${BINDIR}/cc
 410             ln -s "$ccache" ${BINDIR}/$CC
 411
 412             export CCACHE
 413             export CC="ccache $CC"
 414             # zero the cache so we can see how effective we are being with it
 415             echo -n "ccache "
 416             ccache -z
 417
 418             # get some ccache stats when we are done
 419             push_exit_trap '[ -n "$CCACHE" ] && ccache -s' "ccache_summary"
 420             # should remove the ccache trap if lbuild is interrupted
 421             trap 'echo "Received an INT TERM or HUP signal, terminating."; delete_exit_trap "ccache_summary"; exit 1' INT TERM HUP
 422         fi
 423     fi
 424
 425     return 0
 426 }
 427
 428 # compare two versions $1 and $2. if $1 < $2, return 0 otherwise return 1.
 429 compare_version () {
 430     [[ $1 == $2 ]] && return 1
 431     local IFS=.
 432     local i val1=($1) val2=($2)
 433
 434     # padding zero to val1 if it needs
 435     for ((i=${#val1[@]}; i<${#val2[@]}; i++)); do
 436         val1[i]=0
 437     done
 438     for ((i=0; i<${#val1[@]}; i++)); do
 439         [[ -z ${val2[i]} ]] && return 1
 440
 441         if [[ ${val1[i]} < ${val2[i]} ]]; then
 442             return 0
 443         elif [[ ${val1[i]} > ${val2[i]} ]]; then
 444             return 1
 445         fi
 446     done
 447     return 1
 448 }
 449
 450 uniqify() {
 451
 452     echo $(echo "$*" | xargs -n 1 | sort -u)
 453
 454 }
 455
 456 fetch_url() {
 457     local url="$1"
 458     local target="$2"
 459
 460     if [ -z "$target" ]; then
 461         fatal 1 "fetch_url() called without a target to fetch to"
 462     fi
 463
 464     if [ -d $target ]; then
 465         target+="/${url##*/}"
 466     fi
 467
 468     local rc=0
 469     if which wget >/dev/null 2>&1; then
 470         if ! wget -nv "$url" -O "$target"; then
 471             rc=${PIPESTATUS[0]}
 472         fi
 473     elif which curl >/dev/null 2>&1; then
 474         if ! curl -n -L -s -o "$target" "$url"; then
 475             rc=${PIPESTATUS[0]}
 476         fi
 477     else
 478         fatal 1 "Could not find either wget or curl to fetch URLs."
 479     fi
 480
 481     return $rc
 482
 483 }
 484
 485 download_srpm() {
 486         local target=$1
 487         local srpm=$2
 488         local force="${3:-false}"
 489
 490         # let the download_file handle the concurrency
 491         if $DOWNLOAD; then
 492                 local location= \
 493                 "https://downloads.hpdd.intel.com/public/kernels/$target/old"
 494                 # get the location from a distro specific method if it exists
 495                 if type -p kernel_srpm_location; then
 496                         location=$(kernel_srpm_location)
 497                 fi
 498                 echo "Downloading $location/$srpm..."
 499                 if ! download_file \
 500                         "$location/$srpm" "$KERNELDIR/$srpm" "$force" 2>&1 ||
 501                         [ ! -s "$KERNELDIR/$srpm" ]; then
 502                         rm -f $KERNELDIR/$srpm
 503                         fatal 1 "Could not download target $target's kernel \
 504 SRPM $srpm from $location."
 505                 fi
 506         fi
 507 }
 508
 509 download_file() {
 510     local from="$1"
 511     local to="$2"
 512     local force="$3"
 513
 514     local file=${from##*/}
 515
 516     if [ -d $to ]; then
 517         to="$to/$file"
 518     fi
 519
 520     local semaphore="$to-downloading"
 521
 522     is_downloading() {
 523         if [ ! -f $semaphore ]; then
 524             return 1
 525         fi
 526
 527         # make sure the download has not been aborted
 528         local now=$(date +%s)
 529         local file_mtime=$(stat -c %Y "$to")
 530         local staleness=$((now - file_mtime))
 531         # let's assume an active download will write at least once a minute
 532         if [ $staleness -gt 60 ]; then
 533             return 1
 534         fi
 535
 536         return 0
 537     }
 538
 539     is_downloaded() {
 540         # if the semaphore file exists, the file is either still downloading
 541         # or a download was aborted and we cannot trust the target file
 542         if [ -f $semaphore ]; then
 543             return 1
 544         fi
 545
 546         if ! is_downloading && [ -r "$to" ] && [ -s "$to" ]; then
 547             return 0
 548         fi
 549
 550         return 1
 551     }
 552
 553     if $force || ! is_downloaded; then
 554         if is_downloading; then
 555             echo "Somebody else is downloading $from..."
 556             while is_downloading; do
 557                 echo "Waiting for $to to finish downloading"
 558                 sleep 60
 559             done
 560             if is_downloaded; then
 561                 return 0
 562             else
 563                 echo "The download we were waiting for seems to have been aborted"
 564             fi
 565
 566         fi
 567
 568         if $DOWNLOAD; then
 569             echo "Downloading $from..."
 570             # flag others so they don't try to download also
 571             push_exit_trap "rm -f $to $semaphore" "download"
 572             touch $semaphore
 573             if ! fetch_url "$from" "$to" || [ ! -s "$to" ]; then
 574                 # the trap will remove the files via the fatal below
 575                 fatal 1 "Could not download ${to##*/} from ${from%/*}/."
 576             fi
 577             rm -f $semaphore
 578             delete_exit_trap "download"
 579         else
 580             fatal 1 "${to##*/} not found in directory ${to%/*}."
 581         fi
 582     fi
 583
 584     return 0
 585
 586 }
 587
 588 download_ofed() {
 589         local ofed_type="$1"
 590         local ofed_version="$2"
 591         local force="${3:-false}"
 592         local distro_name="${DISTRO}"
 593         local arch="${TARGET_ARCH}"
 594         local location
 595         local file
 596
 597         #if a src tarball has been given in the command line, we use it
 598         #The format of the tarball must be OFED-${OFED_VERSION}.tgz
 599         [ -n "${OFED_SRC}" ] && return 0
 600
 601         case $ofed_type in
 602                 ofa)
 603                         location="https://www.openfabrics.org/downloads/OFED/ofed-${ofed_version}/"
 604                         # version include RC
 605                         if [[ $ofed_version = *-[rR][cC][0-9] ]]; then
 606                                 ofed_version_loc=${ofed_version%%-[rR][cC][0-9]}
 607                                 location="https://www.openfabrics.org/downloads/OFED/ofed-${ofed_version_loc}/"
 608                         fi
 609                         # daily build
 610                         if [[ $ofed_version = *-daily ]]; then
 611                                 ofed_version=${ofed_version/-daily/}
 612                                 location="https://www.openfabrics.org/downloads/OFED/ofed-${ofed_version}-daily/"
 613                                 # find the filename for latest version
 614                                 ofed_version=$(curl -1 -s "$location" | sed -nre "s/.*href=\"OFED-(${ofed_version//./\\.}-[0-9]{8}-[0-9]{4}).tgz.*$/\1/p" | tail -1)
 615                                 if [ -z "$ofed_version" ]; then
 616                                         fatal 1 "Could not determine the filename of the OFED snapshot from daily "
 617                                 fi
 618                         fi
 619
 620                         file="OFED-${ofed_version}.tgz"
 621                         download_file "$location/$file" "$KERNELTREE" "$force"
 622                         ;;
 623                 mlnx)
 624                         location="http://www.mellanox.com/downloads/ofed/MLNX_OFED-${ofed_version}"
 625                         # this is a work around for suse distro (sles11.3). what we need is
 626                         # sles11sp3. We really need to redesign how we use target and distro
 627                         [[ $distro_name =~ sles ]] && distro_name=${DISTRO/./sp}
 628                         file="MLNX_OFED_LINUX-${ofed_version}-${distro_name}-${arch}.tgz"
 629                         download_file "$location/$file" "$KERNELTREE" "$force"
 630                         ;;
 631                 ifs)
 632                         location="http://downloadmirror.intel.com/24625/eng/"
 633                         file="IntelIB-Basic.$(echo ${distro_name%%.*} | tr '[:lower:]' '[:upper:]')-${arch}.${ofed_version}.tgz"
 634                         download_file "$location/$file" "$KERNELTREE" "$force"
 635                         ;;
 636                 *)
 637                         fatal 1 "Error: unknown OFED type: $ofed_type"
 638
 639         esac
 640         # version might change due to detect daily version
 641         OFED_VERSION=${ofed_version}
 642
 643 }
 644
 645 load_target() {
 646
 647     EXTRA_VERSION_save="$EXTRA_VERSION"
 648     for patchesdir in "$EXTERNAL_PATCHES" \
 649                       "$TOPDIR/lustre/lustre/kernel_patches"; do
 650         TARGET_FILE="$patchesdir/targets/$TARGET.target"
 651         [ -r "$TARGET_FILE" ] && break
 652     done
 653     [ -r "$TARGET_FILE" ] || fatal 1 "Target $TARGET was not found."
 654
 655     echo "Loading target config file $TARGET.target..."
 656
 657     # if the caller specified an OFED_VERSION it should override whatever
 658     # the target file specifies
 659     local env_OFED_VERSION="$OFED_VERSION"
 660
 661     . "$TARGET_FILE"
 662
 663     if [ -n "$env_OFED_VERSION" ]; then
 664         OFED_VERSION="$env_OFED_VERSION"
 665     fi
 666
 667     # doesn't make any sense to build OFED for xen domX's
 668     if $XEN; then
 669         OFED_VERSION=""
 670     fi
 671
 672     # XXX - set_rpm_smp_type is an ugly undeterministic hack.  it needs to
 673     #       go away and the target just specify the $RPMSMPTYPE
 674     [ -z "$RPMSMPTYPE" ] && set_rpm_smp_type
 675
 676     # CC might have been overwritten in TARGET_FILE
 677     if [[ $CC != ccache\ * ]] && which "$CCACHE" &>/dev/null; then
 678         export CCACHE && export CC="ccache $CC"
 679     fi
 680
 681     if [ ! "$KERNELTREE" = "" ] && [ -d "$KERNELTREE" ]; then
 682         KERNELDIR="$KERNELTREE/${lnxmaj}"
 683         [ -d "$KERNELDIR" ] || mkdir "$KERNELDIR"
 684     fi
 685
 686     # verify the series is available
 687     if [ "$SERIES" ]; then
 688         for series in $SERIES; do
 689             for patchesdir in "$EXTERNAL_PATCHES" "$TOPDIR/lustre/lustre/kernel_patches"; do
 690                 [ -r "$patchesdir/series/$series" ] && continue 2
 691             done
 692             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."
 693         done
 694     fi
 695
 696     # set the location of the .config file
 697     local XENPOSTFIX=""
 698     if $XEN; then
 699         XENPOSTFIX="-xen"
 700     fi
 701
 702     if [ -f $TOPDIR/lustre/lustre/kernel_patches/kernel_configs/kernel-$lnxmaj-$TARGET-$TARGET_ARCH.config ]; then
 703         CONFIG_FILE="$TOPDIR/lustre/lustre/kernel_patches/kernel_configs/kernel-$lnxmaj-$TARGET$XENPOSTFIX-$TARGET_ARCH.config"
 704     fi
 705
 706     local lnxrelnew=${lnxrel//-/_}
 707
 708     # remember the EXTRA_VERSION before we diddle it here
 709     # XXX - we really should not diddle with any values read in from the
 710     #       target file.  if we want to modify a value, we should create
 711     #       a new variable.
 712     PRISTINE_EXTRA_VERSION=$EXTRA_VERSION
 713
 714     if ! $PATCHLESS && [ ! -f "$CONFIG_FILE" ]; then
 715         fatal 1 "Config file for target $TARGET missing from $TOPDIR/lustre/lustre/kernel_patches/kernel_configs/."
 716     fi
 717
 718     if [ "$EXTRA_VERSION_save" ]; then
 719         EXTRA_VERSION="$EXTRA_VERSION_save"
 720     elif ! $RELEASE; then
 721         # if there is no patch series, then this is not a lustre specific
 722         # kernel.  don't make it look like one
 723         if $PATCHLESS || [ -n "$SERIES" ]; then
 724             EXTRA_VERSION=$(echo $EXTRA_VERSION | sed -e "s/\(.*_lustre\)\..*/\1/")
 725         fi
 726     fi
 727     # EXTRA_VERSION=${EXTRA_VERSION//-/_}
 728
 729     ALL_ARCHS="$BASE_ARCHS $BIGMEM_ARCHS $BOOT_ARCHS $JENSEN_ARCHS $SMP_ARCHS $BIGSMP_ARCHS $PSERIES64_ARCHS $UP_ARCHS"
 730
 731     BUILD_ARCHS=
 732     for arch in $(uniqify "$ALL_ARCHS"); do
 733         if [ -z "$TARGET_ARCHS" ] ||
 734            [[ \ $TARGET_ARCHS\  = *\ $arch\ * ]]; then
 735             BUILD_ARCHS="$BUILD_ARCHS $arch"
 736         fi
 737     done
 738     [ "$BUILD_ARCHS" ] || usage 1 "No available target archs to build."
 739     echo "Building for: $BUILD_ARCHS"
 740 }
 741
 742 tarflags() {
 743     local file="$1"
 744
 745     echo -n '--wildcards '
 746     case "$file" in
 747         '')
 748             fatal 1 "tarflags(): File name argument missing."
 749             ;;
 750         *.tar.gz | *.tgz)
 751             echo '-zxf'
 752             ;;
 753         *.tar.bz2)
 754             echo '-jxf'
 755             ;;
 756         *.tar)
 757             echo '-xf'
 758             ;;
 759         *)
 760             fatal 1 "tarflags(): Unrecognized tar extension in file: $1"
 761             ;;
 762     esac
 763
 764 }
 765
 766 untar() {
 767     local tarfile="$1"
 768     shift
 769     local extractfile="$@"
 770
 771     echo "Untarring ${tarfile##*/}..."
 772     tar $(tarflags "$tarfile") "$tarfile" $extractfile
 773
 774 }
 775
 776 unpack_ofed() {
 777         local ofed_type="$1"
 778         local ofed_version="$2"
 779         local distro_name="${DISTRO}"
 780         local arch="${TARGET_ARCH}"
 781         local file
 782
 783         #if a src tarball has been given in the command line, we use it
 784         #The format of the directory after untar MUST be in OFED-${version}
 785         #even if it's from MLNX or IFS...or whatever
 786         if [ -n "${OFED_SRC}" ]; then
 787                 if ! untar "$KERNELTREE/${OFED_SRC}"; then
 788                         return 1
 789                 else
 790                         [ -d OFED ] || ln -sf OFED-[0-9].[0-9]* OFED
 791                 fi
 792         fi
 793         case $ofed_type in
 794                 ofa)
 795                         file="OFED-${ofed_version}"
 796                         if ! untar "$KERNELTREE/${file}.tgz"; then
 797                                 return 1
 798                         fi
 799                         [ -d OFED ] || ln -sf OFED-[0-9].[0-9]* OFED
 800                         ;;
 801                 mlnx)
 802                         # this is a work around for suse distro (sles11.3). what we need is
 803                         # sles11sp3. We really need to redesign how we use target and distro
 804                         [[ $distro_name =~ sles ]] && distro_name=${DISTRO/./sp}
 805                         file="MLNX_OFED_LINUX-${ofed_version}-${distro_name}-${arch}"
 806
 807                         # it's not important what distro we get the tarball since we only
 808                         # interest in the src
 809                         if ! untar "$KERNELTREE/${file}.tgz"; then
 810                                 return 1
 811                         fi
 812                         # we need to untar again to get the src since it's being
 813                         # wrapped inside the tarball
 814                         # There are cases where the source version is different
 815                         # than the tarball.
 816                         # (ie. MLNX_OFED_LINUX-2.3-1.0.1 but MLNX_OFED_SRC-2.3-1.0.0)
 817                         local src=$(ls ${file}/src/MLNX_OFED_SRC-${ofed_version%.*}*.tgz)
 818                         if ! untar "$src"; then
 819                                 return 1
 820                         fi
 821                         [ -d OFED ] || ln -sf MLNX_OFED_SRC-[0-9].[0-9]* OFED
 822                         ;;
 823                 ifs)
 824                         file="IntelIB-Basic.$(echo ${distro_name%%.*} | tr '[:lower:]' '[:upper:]')-${arch}.${ofed_version}"
 825                         if ! untar "$KERNELTREE/${file}.tgz"; then
 826                                 return 1
 827                         fi
 828                         [ -d OFED ] || ln -sf $file/IntelIB-OFED.$(echo ${distro_name%%.*} | tr '[:lower:]' '[:upper:]')-${arch}.* OFED
 829                         ofed_version="$(cat OFED/Version)"
 830                         ;;
 831         esac
 832         # version might change due to detect daily version
 833         OFED_VERSION=${ofed_version}
 834 }
 835
 836 unpack_lustre() {
 837
 838     untar "$LUSTRE" || fatal 1 "Error unpacking Lustre tarball"
 839     [ -d lustre ] || ln -sf lustre-[0-9].[0-9]* lustre
 840
 841 }
 842
 843 do_patch_linux() {
 844
 845     local do_patch=${1:-true}
 846
 847     FULL_PATCH="$PWD/lustre-kernel-${TARGET}-${EXTRA_VERSION}.patch"
 848     [ -f "$FULL_PATCH" ] && rm -f "$FULL_PATCH"
 849     $do_patch && pushd linux >/dev/null
 850     for series in $SERIES; do
 851         echo -n "Applying series $series:"
 852         for patchesdir in "$EXTERNAL_PATCHES" "$TOPDIR/lustre/lustre/kernel_patches"; do
 853             [ -r "$patchesdir/series/$series" ] || continue
 854             SERIES_FILE="$patchesdir/series/$series"
 855             for patch in $(<"$SERIES_FILE"); do
 856                 echo -n " $patch"
 857                 PATCH_FILE="$patchesdir/patches/$patch"
 858                 [ -r "$PATCH_FILE" ] || \
 859                     fatal 1 "Patch $patch does not exist in Lustre tree."
 860                 cat "$PATCH_FILE" >> "$FULL_PATCH" || {
 861                     rm -f $FULL_PATCH
 862                     fatal 1 "Error adding patch $patch to full patch."
 863                 }
 864                 if $do_patch; then
 865                     patch -s -p1 < "$PATCH_FILE" 2>&1 || {
 866                         rm -f $FULL_PATCH
 867                         fatal 1 "Error applying patch $patch."
 868                     }
 869                 fi
 870             done
 871             break
 872         done
 873         echo
 874     done
 875     $do_patch && popd >/dev/null
 876     echo "Full patch has been saved in ${FULL_PATCH##*/}."
 877
 878 }
 879
 880 build_lustre() {
 881     local linux="$1"
 882     local linuxobj="$2"
 883     local configure_args=""
 884
 885     cp "$LUSTRE" SOURCES
 886
 887     pushd lustre >/dev/null
 888
 889     if ! build_lustre_dkms; then
 890         popd >/dev/null # pushd lustre
 891         return 255
 892     fi
 893
 894     echo "Building Lustre RPMs for: $BUILD_ARCHS..."
 895
 896     # If server we now build the spl and zfs modules against the lustre kernel.
 897     # These are required prior to the building of lustre server. Client does
 898     # not require spl/zfs. Use !PATCHLESS to indicate server which follows the
 899     # line above so is at least consistant.
 900     if [ $PATCHLESS == false ] && [ "x$WITH_ZFS" == "x" ]; then
 901         if ! build_spl_zfs; then
 902             popd >/dev/null # pushd lustre
 903             return 255
 904         fi
 905     fi
 906
 907     if $PATCHLESS; then
 908         configure_args="$configure_args --disable-server"
 909     fi
 910
 911     # ditto for the lustre-tests boolean
 912     if ! $LUSTRE_TESTS; then
 913         configure_args="$configure_args --disable-tests"
 914     fi
 915
 916     if ! $IOKITRPM; then
 917         configure_args="$configure_args --disable-iokit"
 918     fi
 919
 920     if ! $OSDZFSRPM; then
 921         configure_args="$configure_args --without-zfs"
 922     fi
 923
 924     if ! $OSDLDISKFSRPM; then
 925         configure_args="$configure_args --disable-ldiskfs"
 926     fi
 927
 928     configure_args="$configure_args --with-linux=$linux"
 929     configure_args="$configure_args ${linuxobj:+--with-linux-obj=$linuxobj}"
 930
 931     # allow environment setting to override ldiskfs series selection
 932     [ -n "$LDISKFS_SERIES" ] && export LDISKFS_SERIES
 933
 934     ./configure $configure_args $CONFIGURE_FLAGS 2>&1 ||
 935         fatal 1 "Error in configure."
 936
 937     if type -p apply_kmod_requires; then
 938         apply_kmod_requires
 939     fi
 940
 941     make rpms 2>&1 ||
 942         fatal 1 "Error building rpms for $BUILD_ARCHS."
 943
 944     # move RPMs into place where they are expected to be
 945     for arch in $BUILD_ARCHS; do
 946         mv -f *lustre*.${arch}.rpm $TOPDIR/RPMS/${arch}/
 947     done
 948     mv -f lustre-*.src.rpm $TOPDIR/SRPMS/
 949
 950     popd >/dev/null
 951         if type -p cleanup_rpmmacros; then
 952                 cleanup_rpmmacros
 953         fi
 954
 955     return 0
 956 }
 957
 958 # Only zfs Lustre DKMS Server is supported
 959 build_lustre_dkms() {
 960     local build_args=""
 961     local name_prefix="lustre"
 962     local ver=$(sed -n -e 's/^LUSTRE_VERSION = //p' LUSTRE-VERSION-FILE)
 963
 964     echo "Building Lustre DKMS RPMs for: $BUILD_ARCHS..."
 965     ./configure --enable-dist || fatal 1 "Error in DKMS configure."
 966
 967     if $PATCHLESS; then
 968         build_args="--without servers"
 969         name_prefix="lustre-client"
 970     fi
 971
 972     rpmbuild --define "_topdir $TOPDIR" $build_args -bs lustre-dkms.spec ||
 973         fatal 1 "Error building DKMS .src.rpm for $BUILD_ARCHS."
 974     rpmbuild --define "_topdir $TOPDIR" $build_args \
 975              --rebuild $TOPDIR/SRPMS/$name_prefix-dkms-$ver-*.src.rpm ||
 976         fatal 1 "Error building DKMS .rpm for $BUILD_ARCHS."
 977
 978     return 0
 979 }
 980
 981 ###
 982 # build_spl_zfs
 983 #
 984 # Fetch spl/zfs from the git repo and prepare for lustre build
 985 #
 986 # Overrides:
 987 #   SPLZFSGITREPO - URI of directory where spl.git and zfs.git are located
 988 #   SPLZFSTAG     - Tag to checkout of clone repositories
 989 #   SPLZFSVER     - Version to checkout of both (format zfs/spl-$SPLZFSVER)
 990 #
 991 # return 0 if successful, else 255
 992 build_spl_zfs() {
 993     # make sure the RPM build environment is set up
 994     pushd $TOPDIR
 995     create_rpmbuild_dirs
 996     popd
 997
 998     # The spl/zfs spec files expect RPM_BUILD_ROOT to point to the root of the
 999     # destination for the rpms
1000     export RPM_BUILD_ROOT=$TOPDIR
1001     SPLZFSVER=${SPLZFSVER:-0.7.1}
1002     SPLZFSTAG=${SPLZFSTAG:-}
1003
1004     # The files expect a kver to be set to the kernel version .
1005     local kver=$(find_linux_release)
1006
1007     # build and install the spl and zfs (and -devel) RPMs for lustre to use
1008     local pkg
1009     for pkg in spl zfs; do
1010
1011         local rpmpkg
1012
1013         [ "$pkg" == "zfs" ] && spldir="$(ls -d $TOPDIR/usr/src/spl-*|tail -1)"
1014
1015         # need to fetch the repo in order to build it.
1016         # default to github but allow override
1017         git clone -n ${SPLZFSGITREPO:-"https://github.com/zfsonlinux"}/$pkg.git $pkg 2>&1
1018
1019         pushd $pkg || return 255
1020         local tag
1021         if [ -n "$SPLZFSTAG" ]; then
1022             tag=$SPLZFSTAG
1023         else
1024             tag=$pkg-$SPLZFSVER
1025         fi
1026         git checkout -b lbuild $tag || fatal 1 "Failed to checkout \"$tag\" for $pkg.git"
1027
1028         # This differentiates between older zfs versions
1029         if [ -f $pkg-modules.spec.in ]; then
1030             rpmpkg=$pkg-modules
1031             specdir=.
1032             speclist="$pkg.spec $rpmpkg.spec"
1033         else
1034             rpmpkg=kmod-$pkg-devel
1035             specdir=rpm/generic
1036             speclist="$pkg.spec $pkg-kmod.spec $pkg-dkms.spec"
1037         fi
1038
1039         sh autogen.sh || return 255
1040
1041         if  ! ./configure --with-linux=${LINUX} --with-linux-obj=${LINUXOBJ:-$LINUX} \
1042                           ${spldir:+--with-spl="${spldir}"} 2>&1 ||
1043             ! make dist 2>&1; then
1044             popd
1045             return 255
1046         fi
1047         popd
1048
1049         ln -f $pkg/$pkg-*.tar.gz $TOPDIR/SOURCES ||
1050            error "failed to link $pkg/$pkg-*.tar.gz into $TOPDIR/SOURCES"
1051         if [ -f $pkg/scripts/kmodtool ]; then
1052             ln -f $pkg/scripts/kmodtool $TOPDIR/SOURCES/
1053         fi
1054
1055         local rpmb
1056         if $DO_SRC; then
1057             rpmb=-ba
1058         else
1059             rpmb=-bb
1060         fi
1061
1062         # set search dir for our own kmodtool to find correct
1063         # directories
1064         export KERNELSOURCE=$(dirname ${LINUX})
1065         # Manually build rpms
1066         for spec in $speclist; do
1067             echo "Building RPMs from $pkg/$specdir/$spec"
1068             if ! rpmbuild $rpmb $pkg/$specdir/$spec \
1069                 --nodeps -v \
1070                 --define "_use_internal_dependency_generator 0" \
1071                 --define "require_kdir ${LINUX}" \
1072                 ${LINUXOBJ:+--define "require_kobj ${LINUXOBJ}"} \
1073                 ${spldir:+--define "require_spldir ${spldir}"} \
1074                 --define "kver $kver" \
1075                 --define "kernels $kver" \
1076                 --define "_tmppath /var/tmp" \
1077                 --define "kernelbuildroot $TOPDIR/reused" \
1078                 --define "_topdir $TOPDIR" 2>&1; then
1079                 return 255
1080             fi
1081         done
1082
1083         # We have built the rpms for the package. Now we need to extract the
1084         # contained files so we can build further things against them
1085         local rpms=$(ls -1 $TOPDIR/RPMS/*/$rpmpkg-*.rpm)
1086
1087         # cpio only extract to pwd so we need to go there.
1088         pushd $TOPDIR
1089         local rpm
1090         for rpm in $rpms; do
1091             rpm2cpio $rpm | cpio -id
1092         done
1093
1094         if [ "$pkg" == "zfs" ]; then
1095             # We also need to extract both the zfs and zfs-devel rpms
1096             # the zfs rpm is needed because it has the actual libraries in
1097             # it and the zfs-devel rpm only has unversioned symlinks to the
1098             # libraries in the zfs rpm
1099             # this will all change one day when we have a libzfs rpm per
1100             # https://github.com/zfsonlinux/zfs/issues/2329
1101             # and it looks like it could be one day soon:
1102             # https://github.com/zfsonlinux/zfs/pull/2341
1103             local devel_rpms=$(ls -1 $TOPDIR/RPMS/*/{$pkg-devel,$pkg-$SPLZFSVER,lib*}-*.rpm)
1104             for rpm in $devel_rpms; do
1105                 rpm2cpio $rpm | cpio -id
1106             done
1107             CONFIGURE_FLAGS="--with-$pkg-devel=$TOPDIR ${CONFIGURE_FLAGS}"
1108         fi
1109         popd
1110
1111         CONFIGURE_FLAGS="--with-$pkg=$(ls -d $TOPDIR/usr/src/$pkg-*|tail -1) ${CONFIGURE_FLAGS}"
1112         CONFIGURE_FLAGS="--with-$pkg-obj=$(ls -d $TOPDIR/usr/src/$pkg-*/$kver*|tail -1) ${CONFIGURE_FLAGS}"
1113     done
1114
1115     OSDZFSRPM=true
1116
1117     return 0
1118 }
1119
1120 stage() {
1121
1122     [ "$STAGEDIR" ] || return 0
1123
1124     for arch in $BUILD_ARCHS; do
1125         rpmdir="${STAGEDIR}/${CANONICAL_TARGET}-${arch}"
1126         echo "${0##*/}: Copying RPMs into ${rpmdir}"
1127         mkdir -p "${rpmdir}"
1128         for rpm in $(ls RPMS/${arch}/*.rpm RPMS/noarch/*.rpm); do
1129             cp -v $rpm "${rpmdir}"
1130         done
1131     done
1132
1133     cp -v "$LUSTRE" "$STAGEDIR"
1134
1135 }
1136
1137 set_rpm_smp_type() {
1138
1139     local infact_arch="${TARGET_ARCH}"
1140
1141     RPMSMPTYPE=""
1142     [ "$infact_arch" == "i586" ] && infact_arch="i686"
1143
1144     local smp_type
1145     for smp_type in $SMP_ARCHS; do
1146         [ $infact_arch == $smp_type ] && RPMSMPTYPE=smp && break
1147     done
1148
1149     for smp_type in $BIGSMP_ARCHS; do
1150         [ $infact_arch == $smp_type ] && RPMSMPTYPE=bigsmp && break
1151     done
1152
1153     for smp_type in $PPC64_ARCHS; do
1154         [ $infact_arch == $smp_type ] && RPMSMPTYPE=ppc64 && break
1155     done
1156
1157     for smp_type in $DEFAULT_ARCHS; do
1158         [ $infact_arch == $smp_type ] && RPMSMPTYPE=default && break
1159     done
1160
1161 }
1162
1163 # This function takes a linux include tree and digs out the linux release
1164 # from it. It is never called directly, only called from the distro
1165 # specific function find_linux_release() in lbuild-{rhel,sles}.
1166 _find_linux_release() {
1167     local SRC="$1"
1168     local LINUXRELEASEHEADER=""
1169
1170     LINUXRELEASEHEADER=$SRC/include/linux/version.h
1171     if [ -s $SRC/include/generated/utsrelease.h ]; then
1172         LINUXRELEASEHEADER=$SRC/include/generated/utsrelease.h
1173     elif [ -s $SRC/include/linux/utsrelease.h ]; then
1174         LINUXRELEASEHEADER=$SRC/include/linux/utsrelease.h
1175     fi
1176
1177     if [ ! -s $LINUXRELEASEHEADER ]; then
1178         fatal 1 "could not find UTS_RELEASE"
1179     fi
1180
1181     sed -ne 's/#define UTS_RELEASE "\(.*\)"$/\1/p' $LINUXRELEASEHEADER
1182 }
1183
1184 # unpack kernel(/source/devel) RPM
1185 #
1186 # This function and it's setting of $LINUX and $LINUXOBJ is a total hack that
1187 # needs to completely refactored.  It completely ingores that $BUILD_ARCHS may
1188 # contain a list of arches for which rpmbuild commands (including the one for
1189 # lustre itself)
1190 unpack_linux_devel_rpm() {
1191     local kernelrpm="${1}"
1192
1193     [ -f "$kernelrpm" ] || return 255
1194     [ -d $TOPDIR/reused ] || mkdir $TOPDIR/reused || return 255
1195
1196     pushd $TOPDIR/reused &>/dev/null || return 255
1197
1198     if ! rpm2cpio < "$kernelrpm" | cpio -id > /dev/null 2>&1; then
1199         return 255
1200     fi
1201
1202     # call a distro specific hook, if available
1203     if type -p unpack_linux_devel_rpm-$DISTROMAJ; then
1204         if ! unpack_linux_devel_rpm-$DISTROMAJ "$kernelrpm"; then
1205             return 255
1206         fi
1207     fi
1208
1209     popd &>/dev/null
1210
1211     find_linux_devel_paths $TOPDIR/reused
1212
1213     return 0
1214
1215 }
1216
1217 build_kernel_ib() {
1218     local linux="$1"
1219     local kib_prefix="$2"
1220     local kib_rpm="$3"
1221     local ofed_type="${4}"
1222     local ofed_version="${5}"
1223
1224     # build kernel-ib{,-devel}/compat-rdma{,-devel}
1225     local K_SRC="K_SRC"
1226
1227         local OFED_CORE="--with-core-mod --with-ipoib-mod --with-user_mad-mod \
1228         --with-user_access-mod --with-addr_trans-mod --with-madeye-mod"
1229         local OFED_HARDWARE="--with-mthca-mod --with-mlx4-mod \
1230         --with-mlx4_en-mod --with-cxgb3-mod --with-mlx4_en-mod \
1231         --with-cxgb3-mod --with-nes-mod --with-mlx5-mod --with-cxgb4-mod \
1232         --with-qib-mod"
1233
1234         # Removing the check for older version support
1235         #if compare_version $OFED_VERSION 3.0; then
1236         #OFED_CORE="$OFED_CORE --with-madeye-mod --with-rds-mod"
1237         #else
1238         #OFED_HARDWARE="$OFED_HARDWARE --with-mlx5-mod --with-cxgb4-mod --with-ocrdma-mod --with-qib-mod"
1239         #fi
1240
1241     # some I/B drivers are architecture dependent and kernel-ib's configure
1242     # does not figure it out for us ~sigh~
1243     case "$TARGET_ARCH" in
1244         ppc64)
1245             OFED_HARDWARE="$OFED_HARDWARE --with-ehca-mod"
1246             ;;
1247     esac
1248     # we're no longer shipping the OFED iSCSI target
1249     #OFED_ISCSI="--with-srp-mod --with-srp-target-mod"
1250     OFED_ISCSI="--with-srp-mod"
1251     ## ISER module has no backport support as of OFED 1.5 (i.e. only builds on
1252     ##kernels >= 2.6.30)
1253     #if [[ $OFED_VERSION = 1.[0-4]* ]]; then
1254     #   OFED_ISCSI="$OFED_ISCSI --with-iser-mod"
1255     #fi
1256
1257     # assume we are just rebuilding the SRPM
1258     local BUILD_TYPE=${BUILD_TYPE:-"--rebuild"}
1259     local SOURCE="${TOPDIR}/OFED/SRPMS/${kib_prefix}-*.src.rpm"
1260
1261     # but switch to building from the SPEC if we need to apply patches
1262     if ls ${TOPDIR}/lustre/contrib/patches/ofed/* >/dev/null; then
1263         BUILD_TYPE="-bb"
1264         rpm --define "_topdir ${TOPDIR}" -ivh $SOURCE
1265         SOURCE="${TOPDIR}/SPECS/${kib_prefix}.spec"
1266         local file ed_fragment1 ed_fragment2 n=1
1267         for file in $(ls ${TOPDIR}/lustre/contrib/patches/ofed/*.patch); do
1268             ed_fragment1="$ed_fragment1
1269 Patch$n: ${file%%*/}"
1270             ed_fragment2="$ed_fragment2
1271 %patch$n -p0"
1272             cp $file ${TOPDIR}/SOURCES
1273             let n=$n+1
1274         done
1275         for file in $(ls ${TOPDIR}/lustre/contrib/patches/ofed/*.ed); do
1276             # Only apply the ed-scripts that should be used for the canonical target
1277             # ed-files in ${TOPDIR}/lustre/contrib/patches/ofed/ have to follow the naming
1278             # convention
1279             # <two-digits>-<descriptive-name>:<canonical_target_1>: ...:<canonical_target_N>.ed
1280             # To apply the same change to multiple canonical target simply specify
1281             # a list of colon separated canoncial target names in the file name.
1282             echo "$file" | grep -q -e ":${CANONICAL_TARGET}:" \
1283                                    -e ":${CANONICAL_TARGET}.ed$"
1284             if [ $? -eq 0 ] ; then
1285                 ed_fragment3="$ed_fragment3
1286 $(cat $file)"
1287                 let n=$n+1
1288             fi
1289         done
1290
1291         if [ $n -gt 1 ]; then
1292             ed $SOURCE <<EOF
1293 /^Source: /a
1294 $ed_fragment1
1295 .
1296 /^%setup /a
1297 $ed_fragment2
1298 .
1299 $ed_fragment3
1300 wq
1301 EOF
1302         fi
1303     fi
1304
1305     local linuxrelease=$(find_linux_release)
1306         # a place to change/add any unique config
1307         case $ofed_type in
1308                 ofa|ifs) local K_SRC_OBJ="K_SRC_OBJ"
1309                 if ! $RPMBUILD $BUILD_TYPE --define 'build_kernel_ib 1' \
1310                         --define 'build_kernel_ib_devel 1' \
1311                         ${FIND_REQUIRES:+--define "__find_requires $FIND_REQUIRES"} \
1312                         --define "_topdir ${TOPDIR}" --target ${TARGET_ARCH} \
1313                         --define "KVERSION ${linuxrelease}" \
1314                         --define "$K_SRC ${linux}" \
1315                         ${K_SRC_OBJ:+--define "$K_SRC_OBJ ${linux}"} \
1316                         ${OFA_KERNEL_RELEASE:+--define "_release $OFA_KERNEL_RELEASE"} \
1317                         --define "configure_options --without-quilt $OFED_CORE $OFED_HARDWARE $OFED_ISCSI" \
1318                         ${SOURCE} 2>&1; then
1319                         fatal 1 "Error building ${kib_rpm}"
1320                 fi
1321                 ;;
1322                 mlnx)
1323                 if ! $RPMBUILD $BUILD_TYPE \
1324                         ${FIND_REQUIRES:+--define "__find_requires $FIND_REQUIRES"} \
1325                         --define "_topdir ${TOPDIR}" --target ${TARGET_ARCH} \
1326                         --define "KVERSION ${linuxrelease}" \
1327                         --define "$K_SRC ${linux}" \
1328                         ${OFA_KERNEL_RELEASE:+--define "_release $OFA_KERNEL_RELEASE"} \
1329                         --define "configure_options --without-quilt $OFED_CORE $OFED_HARDWARE $OFED_ISCSI" \
1330                         ${SOURCE} 2>&1; then
1331                         fatal 1 "Error building ${kib_rpm}"
1332                 fi
1333                 ;;
1334         esac
1335
1336 }
1337
1338 store_for_reuse() {
1339     local articles="$1"
1340     local module="$2"
1341     local location="$3"
1342     local signature="$4"
1343     local use_links="$5"
1344
1345     local linkflag=""
1346     if $use_links; then
1347         linkflag="l"
1348     fi
1349
1350     local default_iface=$(/sbin/ip route get 192.1.1.1 | sed -ne 's/.* dev \(.*\)  * src .*/\1/p')
1351     if [ -z "$default_iface" ]; then
1352         fatal 1 "Failed to determine the default route interface"
1353     fi
1354     local unique_id=$(/sbin/ip addr show dev $default_iface | sed -ne '/ inet /s/ *inet \(.*\)\/.*/\1/p' | head -1)
1355     if [ -z "$unique_id" ]; then
1356         fatal 1 "Failed to determine a unique id from interface $default_interface"
1357     fi
1358
1359     local finallocation="$location"/"$signature"/"$module"
1360     location="$location"/"$signature-${unique_id}"/"$module"
1361     mkdir -p "$location"
1362     # the cleanup script removes any directory that doesn't have a
1363     # .lastused, so let's try to prevent that as soon as we can
1364     # this solution still slightly racy with the cleanup script
1365     # but the race is a lot tighter now
1366     touch -t 197001010000 "$location/.lastused"
1367     ## use eval/echo here to make sure shell expansions are performed
1368     #if ! cp -a${linkflag} $(eval echo $articles) "$location"; then
1369     local article
1370     for article in $(eval echo $articles); do
1371         if ! cp -a${linkflag} "$article" "$location"; then
1372             error "Failed to copy \"$article\" to \"$location\" in store_for_reuse()"
1373             # rename the cache location so that it's not cached
1374             # product, but is around for analysis
1375             mv "$location"{,-bad-$(date +%s)} ||
1376                 error "failed to clean up a failed cache attempt" \
1377                       "in \"$location\" -- manual cleanup will be" \
1378                       "necessary"
1379             return 1
1380         fi
1381     done
1382
1383     # flag the cache as complete (i.e. in case lbuild was previously
1384     # interrupted while caching)
1385     touch "$location/.lastused"
1386
1387     # put the temporary location into the final location
1388     # (last one wins)
1389     mkdir -p "${finallocation%/*}"
1390     mv "$location" "$finallocation"
1391     rmdir "${location%/*}"
1392     return 0
1393
1394 }
1395
1396 reuse() {
1397     local module="$1"
1398     local dest="$2"
1399     local use_links="${3:-false}"
1400     local signature="$4"
1401
1402     if [ -n "$REUSEBUILD" ] && [ -d "$REUSEBUILD/$signature/$module" ]; then
1403         if [ ! -f "$REUSEBUILD/$signature/$module/.lastused" ]; then
1404             # the .lastused flag is populated at the end of the caching to
1405             # signal that the caching was completed.  if that flag is not
1406             # there, then the cache is invalid (and should be removed in fact)
1407             mv "$REUSEBUILD/$signature/$module"{,-bad-$(date +%s)} ||
1408                 fatal 1 "failed to clean up a bad cache in location $REUSEBUILD/$signature/$module\" -- manual cleanup will be necessary"
1409             return 1
1410         fi
1411
1412         # so that we know how stale this entry is
1413         touch $REUSEBUILD/$signature/$module/.lastused
1414
1415         if $use_links; then
1416             if ls $REUSEBUILD/$signature/$module/* >/dev/null 2>&1; then
1417                 cp -al $REUSEBUILD/$signature/$module/* $dest/
1418             fi
1419         else
1420             # copying is pretty heavy
1421             # cp -a $REUSEBUILD/$signature/$module/* $dest/
1422             # do some creative symlinking instead
1423             local dir
1424             for dir in BUILD SRPMS SPECS; do
1425                 if ls $REUSEBUILD/$signature/$module/$dir/* >/dev/null 2>&1; then
1426                     ln -s $REUSEBUILD/$signature/$module/$dir/* $dest/$dir
1427                 fi
1428             done
1429             # sources have to be copied by file because we need SOURCES to
1430             # be a dir we can write into
1431 # could overrun ls's arg list here
1432             #ls $REUSEBUILD/$signature/$module/SOURCES/* |
1433             find $REUSEBUILD/$signature/$module/SOURCES/ -type f |
1434                 xargs ln -t $dest/SOURCES -s
1435
1436             # same for RPMS/* dirs
1437 # could overrun ls's arg list here
1438             #ls $REUSEBUILD/$signature/$module/RPMS/$TARGET_ARCH/* |
1439             local dir
1440             for dir in $REUSEBUILD/$signature/$module/RPMS/*; do
1441                 mkdir -p $dest/RPMS/${dir##*/}
1442                 find $dir -type f |
1443                   xargs ln -t $dest/RPMS/${dir##*/} -s
1444             done
1445         fi
1446         return 0
1447     else
1448         return 1
1449     fi
1450 }
1451
1452 basearch() {
1453     local arch="$1"
1454
1455     if [[ $arch = i[3456]86 ]]; then
1456         echo "i386"
1457     else
1458         echo "$arch"
1459     fi
1460
1461 }
1462
1463 build_kernel_with_srpm() {
1464     local outfd=$1
1465
1466     if [ -z "$outfd" ] || [ $outfd = 1 ]; then
1467         fatal 1 "You must supply a file descriptor to ${FUNCNAME[0]} and it cannot be 1"
1468     fi
1469
1470     # need to generate the patch for this target
1471     do_patch_linux false >&${outfd}    # sets global $FULL_PATCH (yeah, yuck)
1472
1473     # get an md5sum of the kernel patch + config for reuse check
1474     # XXX really, there needs to be a signature and a CONFIG_FILE per arch
1475     #     in BUILD_ARCHS
1476     local release_str
1477     if $RELEASE; then
1478         local release_str="RELEASE=$RELEASE\n"
1479     fi
1480
1481     if $USE_BUILD_CACHE && [ -n "$REUSEBUILD" ]; then
1482         local REUSE_SIGNATURE=$({ echo -en $release_str;
1483                                   echo $BUILD_GEN;
1484                                   cat "$CONFIG_FILE";
1485                                   cat "$TARGET_FILE" |
1486                                   sed -e '/_VERSION=/s/_[0-9]*_g.*$//g';
1487                                   cat "$FULL_PATCH";
1488                                   cat "$LBUILD_DIR/lbuild";
1489                                   cat "$LBUILD_DIR/lbuild-$DISTROMAJ"; } |
1490                                 md5sum | cut -d" " -f1)
1491         # see if we can link to the reuse pool
1492         # XXX - hrm.  i'm not convinced this doesn't belong in the reuse
1493         #       "library"
1494         local CAN_LINK_FOR_REUSE=false
1495         touch $REUSEBUILD/$$
1496         if cp -al $REUSEBUILD/$$ $TOPDIR/ 2>/dev/null; then
1497             CAN_LINK_FOR_REUSE=true
1498         fi
1499         rm $REUSEBUILD/$$
1500     fi
1501
1502     # the extra version string to use for the kernel (which might be a reused
1503     # kernel, remember)
1504     local kernel_extra_version=""
1505     if ! $USE_BUILD_CACHE || ! reuse kernel "$TOPDIR" "$CAN_LINK_FOR_REUSE" \
1506                                    "$REUSE_SIGNATURE"; then
1507         # nothing cached, build from scratch
1508         echo "Downloading kernel SRPM" >&${outfd}
1509         download_srpm "$CANONICAL_TARGET" "$KERNEL_SRPM" >&${outfd}
1510
1511         if ! rpm -ivh $KERNELDIR/$KERNEL_SRPM \
1512                   --define "_topdir $TOPDIR" >&${outfd} 2>&1; then
1513             # should we clean this up or leave it for analysis?
1514             #rm -rf $RPMTOPDIR
1515             fatal 1 "Error installing kernel SRPM."
1516         fi
1517
1518         # put the Lustre kernel patch into the RPM build tree
1519         cp $FULL_PATCH $TOPDIR/SOURCES/linux-${lnxmaj}-lustre.patch
1520         prepare_and_build_srpm >&${outfd} ||
1521             fatal 1 "failed to prepare_and_build_srpm"
1522
1523         if [ -z "$REUSE_SIGNATURE" ]; then
1524             echo "No reuse signature was caculated so not storing the built kernel" >&${outfd}
1525         else
1526             # store the resulting kernel RPM build tree for future use
1527             echo "Storing the built kernel for future reuse" >&${outfd}
1528             if ! store_for_reuse "$TOPDIR/{SPECS,SOURCES,SRPMS,RPMS}" \
1529                                  "kernel" "$REUSEBUILD" "$REUSE_SIGNATURE" \
1530                                  "$CAN_LINK_FOR_REUSE"; then
1531                 error "Failed to store kernel RPMS for reuse"
1532                 echo "unknown" >&${outfd}
1533                 return 1
1534             fi
1535         fi
1536     fi  # build reuse
1537
1538     # figure out the EXTRA_VERSION of the kernel we built or are re-using
1539     local KERNEL_RPM
1540     if ! KERNEL_RPM=$(find_rpm "$TOPDIR/RPMS/$TARGET_ARCH/" provides "^kernel(-default)? ="); then
1541         fatal 1 "Failed to find a kernel RPM in $TOPDIR/RPMS/$TARGET_ARCH/"
1542     fi
1543     kernel_extra_version=$(rpm -q --queryformat "%{RELEASE}" -p $TOPDIR/RPMS/$TARGET_ARCH/$KERNEL_RPM)
1544
1545     # should now have the following RPMs
1546     # $TOPDIR/RPMS/$arch/kernel-lustre-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1547     # $TOPDIR/RPMS/$arch/kernel-lustre-devel-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1548     # $TOPDIR/RPMS/$arch/kernel-lustre-headers-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1549     # $TOPDIR/RPMS/$arch/kernel-lustre-debuginfo-common-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1550     # $TOPDIR/RPMS/$arch/kernel-lustre-debuginfo-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1551
1552     echo $kernel_extra_version
1553     return 0
1554
1555 }
1556
1557 # build OFED
1558 # globals used:
1559 #    TOPDIR
1560 #    REUSEBUILD, USE_BUILD_CACHE
1561 #    CONFIGURE_FLAGS
1562
1563 build_ofed() {
1564         local linux="$1"
1565         local ofed_type="$2"
1566         local ofed_version="$3"
1567         local kib_prefix
1568         local kib_rpm
1569         local pre_prefix
1570         local o2ib_location
1571         local rpm
1572
1573     if [ "$ofed_version" = "inkernel" ]; then
1574         # see if there is a distro specific override for this and use
1575         # that if it exists
1576         # XXX we need to better integrate a distro specific override with
1577         #     the rest of this function so that all of the reuse cache
1578         #     stuff is leveraged given that 80% of this function is reuse
1579         if type -p build_ofed-$DISTROMAJ; then
1580             local ofed_location
1581             ofed_location=$(build_ofed-$DISTROMAJ ${STDOUT})
1582             local rc=${PIPESTATUS[0]}
1583             CONFIGURE_FLAGS="--with-o2ib=${ofed_location} ${CONFIGURE_FLAGS}"
1584             return $rc
1585         else
1586             return 0
1587         fi
1588         else
1589                 case $ofed_type in
1590                         mlnx) # no compat-rdma for mlnx as of 3.1
1591                                 kib_prefix="ofa_kernel"
1592                                 pre_prefix="mlnx-"
1593                                 kib_rpm="${pre_prefix}${kib_prefix}"
1594                                 ;;
1595                         ofa|ifs)
1596                                 if compare_version $ofed_version 3.0; then
1597                                         kib_prefix="ofa_kernel"
1598                                         kib_rpm="${pre_prefix}${kib_prefix}"
1599                                 else
1600                                         kib_prefix="compat-rdma"
1601                                         kib_rpm="compat-rdma"
1602                                 fi
1603                                 ;;
1604                 esac
1605         fi
1606
1607     # build kernel-ib/compat-rdma
1608     if $USE_BUILD_CACHE && [ -n "$REUSEBUILD" ]; then
1609         local REUSE_SIGNATURE=$({ echo "$ofed_version";
1610                                   echo "$(find_linux_release;
1611                                   echo "$BUILD_GEN")";
1612                                   cat "${linux}/include/linux/autoconf.h";
1613                                   cat "$LBUILD_DIR/lbuild";
1614                                   cat "$LBUILD_DIR/lbuild-$DISTROMAJ"; } |
1615                                 md5sum | cut -d" " -f1)
1616         # see if we can link to the reuse pool
1617         # XXX - hrm.  i'm not convinced this doesn't belong in the reuse
1618         #       "library"
1619         local CAN_LINK_FOR_REUSE=false
1620         touch $REUSEBUILD/$$
1621         if cp -al $REUSEBUILD/$$ $TOPDIR/; then
1622             CAN_LINK_FOR_REUSE=true
1623         fi
1624         rm $REUSEBUILD/$$
1625     fi
1626
1627     if ! $USE_BUILD_CACHE || ! reuse ofed "$TOPDIR" "$CAN_LINK_FOR_REUSE" \
1628                                    "$REUSE_SIGNATURE"; then
1629         if [ -n "$REUSE_SIGNATURE" ]; then
1630             # stash away the existing built articles for a moment
1631             mkdir bak
1632             mv {BUILD,{S,}RPMS,S{OURCE,PEC}S} bak
1633             function mv_back {
1634                 pushd bak
1635                 find . | cpio -pudlm ..
1636                 popd
1637                 rm -rf bak
1638             }
1639             create_rpmbuild_dirs
1640         fi
1641         # build it
1642         build_kernel_ib "${linux}" "${pre_prefix}${kib_prefix}" "${kib_rpm}" "${ofed_type}"
1643
1644         if [ -z "$REUSE_SIGNATURE" ]; then
1645             echo "No reuse signature was caculated so not storing the built ofed"
1646         else
1647             # store the resulting RPM build tree for future use
1648             echo "Storing the built ofed for future reuse"
1649             if ! store_for_reuse "$TOPDIR/{SPECS,SOURCES,BUILD,SRPMS,RPMS}" \
1650                                  "ofed" "$REUSEBUILD" "$REUSE_SIGNATURE" \
1651                                  "$CAN_LINK_FOR_REUSE"; then
1652                 error "Failed to store OFED RPMS for reuse"
1653                 mv_back
1654                 return 1
1655             fi
1656             # put the stuff we stashed away back
1657             mv_back
1658         fi
1659     fi
1660
1661     pushd "$TOPDIR" >/dev/null
1662     rm -rf ${kib_rpm}-devel
1663     mkdir ${kib_rpm}-devel
1664     cd ${kib_rpm}-devel
1665
1666         o2ib_location="$(pwd)/usr/src/${kib_prefix}"
1667         case $ofed_type in
1668                 mlnx) # Prior to MOFED 3.1, we had to use build_kernel_ib=1 to
1669                       # build devel rpm. not so after 3.1
1670                         if compare_version $ofed_version 3.0; then
1671                                 rpm=$(ls $TOPDIR/RPMS/*/kernel-ib-devel-${ofed_version%%-*}-*.rpm)
1672                         else
1673                                 rpm=$(ls $TOPDIR/RPMS/*/${kib_rpm}-devel-${ofed_version%%-*}-*.rpm)
1674                         fi
1675                         o2ib_location="${o2ib_location}/default"
1676                         ;;
1677                 ofa) # Prior to OFA 3.18, we had to use build_kernel_ib=1 during configure,
1678                      # not so after 3.18
1679                         if compare_version $ofed_version 3.18; then
1680                                 rpm=$(ls $TOPDIR/RPMS/*/kernel-ib-devel-${ofed_version%%-*}-*.rpm)
1681                         else
1682                                 rpm=$(ls $TOPDIR/RPMS/*/${kib_rpm}-devel-${ofed_version%%-*}-*.rpm)
1683                         fi
1684                         ;;
1685                 ifs) # ifs doesn't follow any convention (if any)
1686                         rpm=$(ls $TOPDIR/RPMS/*/${kib_rpm}-devel-*.rpm)
1687                         ;;
1688         esac
1689
1690         if ! rpm2cpio < $rpm | cpio -id; then
1691                 fatal 1 "could not unpack the $rpm."
1692         fi
1693         CONFIGURE_FLAGS="--with-o2ib=${o2ib_location} ${CONFIGURE_FLAGS}"
1694         popd >/dev/null
1695
1696 }
1697
1698 build_with_srpm() {
1699         local ofed_type="$1"
1700         local ofed_version="$2"
1701
1702     if ! $PATCHLESS; then
1703         local kernel_extra_version
1704         if ! kernel_extra_version=$(build_kernel_with_srpm ${STDOUT}); then
1705             fatal 1 "Failed to build the kernel from it's SRPM"
1706         fi
1707
1708         for arch in $BUILD_ARCHS; do
1709             local kernel_devel_rpm
1710             if ! kernel_devel_rpm=$(find_rpm "$TOPDIR/RPMS/$arch/" provides "^$(devel_kernel_name $KERNEL_LUSTRE_NAMING) ="); then
1711                 fatal 1 "Failed to find a kernel development RPM in $TOPDIR/RPMS/$arch/"
1712             fi
1713
1714             # install the -devel RPM in preparation for modules builds
1715             if ! lnxrel="$kernel_extra_version" unpack_linux_devel_rpm \
1716                            "$TOPDIR/RPMS/$arch/$kernel_devel_rpm"; then
1717                 fatal 1 "Could not find the Linux tree in $TOPDIR/RPMS/$arch/$kernel_devel_rpm"
1718             fi
1719         done
1720     else
1721         # need to find and unpack the vendor's own kernel-devel for patchless
1722         # client build
1723         local kernelrpm
1724         if ! kernelrpm=$(find_linux_rpm "-$DEVEL_KERNEL_TYPE"); then
1725             fatal 1 "Could not find the kernel-$DEVEL_KERNEL_TYPE RPM in $KERNELRPMSBASE/$lnxmaj/$DISTROMAJ"
1726         fi
1727         if ! lnxrel="$lnxrel" unpack_linux_devel_rpm "$kernelrpm" "-"; then
1728             fatal 1 "Could not find the Linux tree in $kernelrpm"
1729         fi
1730     fi
1731
1732     # ~sigh~  have to make copies of and modify some of the rpm
1733     # infrastructure files so that find-requires can find our unpacked
1734     # kernel-devel artifacts
1735     cp $RPM_HELPERS_DIR/{symset-table,find-requires{,.ksyms}} .
1736     export FIND_REQUIRES="$(pwd)/find-requires"
1737     chmod 755 {symset-table,find-requires{,.ksyms}}
1738     local tmp="$(pwd)"
1739     tmp="${tmp//\//\\/}"
1740     ed find-requires <<EOF
1741 1a
1742 set -x
1743 .
1744 /|.*find-requires.ksyms/s/|/| bash -x/
1745 g/ [^ ]*\/\(find-requires\.ksyms\)/s// $tmp\/\1/g
1746 wq
1747 EOF
1748     ed find-requires.ksyms <<EOF
1749 1a
1750 set -x
1751 .
1752 g/\/.*\/\(symset-table\)/s//$tmp\/\1/g
1753 g/\(\/usr\/src\/kernels\/\)/s//$tmp\/reused\1/g
1754 wq
1755 EOF
1756     ed symset-table <<EOF
1757 1a
1758 set -x
1759 .
1760 g/\(\/boot\/\)/s//$tmp\/reused\1/g
1761 g/\(\/usr\/src\/kernels\/\)/s//$tmp\/reused\1/g
1762 wq
1763 EOF
1764
1765         build_ofed "${LINUXOBJ:-$LINUX}" "$ofed_type" "$ofed_version" ||
1766         fatal 1 "error building OFED"
1767
1768     # now build Lustre
1769     if build_lustre "$LINUX" "$LINUXOBJ"; then
1770         # the build worked.  resolve any symlinked files (i.e. from reuse)
1771         # in RPMS/$arch to real files so that that that huge mess of
1772         # complication known as LTS can copy them yet somewhere else.
1773         # is it any wonder this whole process is so damn so?  anyone ever
1774         # heard of hardlinks?  it's this cool new thing that allows you save
1775         # tons of time and space by creating... well you can go read about
1776         # them if you have not heard about them yet.
1777         # can i say how much the implemenation of all of this really impedes
1778         # RPM reuse?
1779         local dir
1780         for dir in RPMS/*; do
1781             pushd $dir
1782             for file in $(ls); do
1783                 if [ -h $file ]; then
1784                     cp $file foo
1785                     mv foo $file
1786                 fi
1787             done
1788             popd
1789         done
1790         # also, for i?86, make sure all of the RPMs are in RPMS/$TARGET_ARCH
1791         # as that's where LTS expects to find them
1792         for dir in RPMS/*; do
1793             if [ $dir = RPMS/$TARGET_ARCH ]; then
1794                 continue
1795             fi
1796             pushd $dir
1797             local files=$(ls)
1798             if [ -n "$files" ]; then
1799                 cp -al $files ../$TARGET_ARCH
1800             fi
1801             popd
1802         done
1803     else
1804         return 1
1805     fi
1806
1807 }
1808
1809 create_rpmbuild_dirs() {
1810
1811     [ -d RPMS ] || mkdir RPMS
1812     for arch in $BUILD_ARCHS; do
1813         if [[ $arch = i?86 ]]; then
1814             # some stupidity in the sles11 kernel spec requires an RPMS/i386
1815             # even if the target arch is i686
1816             [ -d RPMS/i386 ] || mkdir RPMS/i386
1817         fi
1818         [ -d RPMS/$arch ] || mkdir RPMS/$arch
1819     done
1820     [ -d RPMS/noarch ] || mkdir RPMS/noarch
1821     [ -d BUILD ] || mkdir BUILD
1822     [ -d SOURCES ] || mkdir SOURCES
1823     [ -d SPECS ] || mkdir SPECS
1824     [ -d SRPMS ] || mkdir SRPMS
1825
1826 }
1827
1828 new_list() {
1829
1830     echo ""
1831
1832 }
1833
1834 add_list() {
1835     local list="$1"
1836     local item="$2"
1837
1838     echo "$list $item"
1839
1840 }
1841
1842 is_list_member() {
1843     local list="$1"
1844     local item="$2"
1845
1846     [[ $list\  == *\ $item\ * ]]
1847
1848 }
1849
1850 #########################################################################
1851 # Generate a backtrace through the call stack.
1852 #
1853 # Input: None
1854 # Output: None
1855 #########################################################################
1856 backtrace() {
1857     local strip=${1:-1}
1858
1859     local funcname="" sourcefile="" lineno="" n
1860
1861     echo "Call stack: (most recent first)"
1862     for (( n = $strip ; n < ${#FUNCNAME[@]} ; ++n )) ; do
1863         funcname=${FUNCNAME[$n - 1]}
1864         sourcefile=$(basename ${BASH_SOURCE[$n]})
1865         lineno=${BASH_LINENO[$n - 1]}
1866         if [ $n = 1 ]; then
1867             let lineno-=11
1868         fi
1869         # Display function arguments
1870         if [[ ! -z "${BASH_ARGV[@]}" ]]; then
1871             local args newarg j p=0
1872             for (( j = ${BASH_ARGC[$n - 1]}; j > 0; j-- )); do
1873                 newarg=${BASH_ARGV[$j + $p - 1]}
1874                 args="${args:+${args} }'${newarg}'"
1875             done
1876             let p+=${BASH_ARGC[$n - 1]}
1877         fi
1878         echo "  ${funcname} ${args:+${args} }at ${sourcefile}:${lineno}"
1879     done
1880
1881     echo
1882     echo "BEGIN BACKTRACE"
1883
1884     #echo ${BASH_LINENO[*]}
1885     #echo ${BASH_SOURCE[*]}
1886     #echo ${FUNCNAME[*]}
1887     local i=$((${#FUNCNAME[@]} - 1))
1888     while [ $i -ge 0 ]; do
1889         local lineno=${BASH_LINENO[$i]}
1890         if [ $i = 0 ]; then
1891             let lineno-=11
1892         fi
1893         local SOURCELINE="${BASH_SOURCE[$i + 1]}:${lineno}"
1894         # Can't figure out how to get function args from other frames...
1895         local FUNCTION="${FUNCNAME[$i]}()"
1896         echo "$SOURCELINE:$FUNCTION"
1897         i=$((i - 1))
1898     done
1899
1900     echo "END BACKTRACE"
1901
1902     echo $BACKTRACE
1903
1904 }
1905
1906 seen_list=$(new_list)
1907 trap 'set +x;
1908 echo "An unexpected error has occurred at ${BASH_SOURCE[0]##*/}:$((LINENO-1)).
1909 Unfortunately the above line number in the message may or may not be correct,
1910 but details have been send to the lbuild maintainer.  Attempting to continue."; (echo "Untrapped error"
1911 echo
1912 # have we seen this one
1913 echo "checking seen list for ${BASH_SOURCE[0]}:${BASH_LINENO[0]}"
1914
1915 if is_list_member "$seen_list" "${BASH_SOURCE[0]}:${BASH_LINENO[0]}"; then
1916   echo "seen this one already"
1917 else
1918   seen_list=$(add_list "$seen_list" "${BASH_SOURCE[0]}:${BASH_LINENO[0]}")
1919 fi
1920 backtrace
1921 ) ; set $xtrace' ERR
1922 set -E
1923
1924 [ -r ~/.lbuildrc ] && . ~/.lbuildrc
1925
1926 options=$(getopt -o D:h -l kerneltree:,distro:,kernelrpm:,reusebuild:,patchless,ccache,norpm,external-patches:,timestamp:,extraversion:,kerneldir:,linux:,lustre:,nodownload,nosrc,noiokit,ofed-type:,ofed-version:,mlnx-version:,ofed-src:,publish,disable-zfs,release,set-value:,src,stage:,target:,target-archs:,with-linux:,xen -- "$@")
1927
1928 if [ $? != 0 ]; then
1929     usage 1
1930 fi
1931
1932 eval set -- "$options"
1933
1934 while [ "$1" ]; do
1935     case "$1" in
1936         '')
1937             usage 1
1938             ;;
1939         --ccache)
1940             CCACHE='ccache'
1941             shift
1942             ;;
1943         -D)
1944             DATE=$2
1945             shift 2
1946             ;;
1947         --external-patches)
1948             EXTERNAL_PATCHES=$2
1949             shift 2
1950             ;;
1951         --extraversion)
1952             EXTRA_VERSION=$2
1953             shift 2
1954             ;;
1955         --help | -h)
1956             usage 0
1957             ;;
1958         --kerneldir)
1959             KERNELDIR=$2
1960             shift 2
1961             ;;
1962         --kerneltree)
1963             if ! KERNELTREE=$(canon_path "$2"); then
1964                 fatal 1 "Could not determine the canonical location of $2"
1965             fi
1966             shift 2
1967             ;;
1968         --linux | --with-linux)
1969             if ! LINUX=$(canon_path "$2"); then
1970                 fatal 1 "Could not determine the canonical location of $2"
1971             fi
1972             shift 2
1973             ;;
1974         --distro)
1975             DISTRO=$2
1976             shift 2
1977             ;;
1978         --reusebuild)
1979             if ! REUSEBUILD=$(canon_path "$2"); then
1980                 fatal 1 "Could not determine the canonical location of $2"
1981             fi
1982             shift 2
1983             ;;
1984         --norpm)
1985             shift
1986             ;;
1987         --noiokit)
1988             IOKITRPM=false
1989             shift
1990             ;;
1991         --patchless)
1992             PATCHLESS=true
1993             shift
1994             ;;
1995         --kernelrpm)
1996             if ! KERNELRPMSBASE=$(canon_path "$2"); then
1997                 fatal 1 "Could not determine the canonical location of $2"
1998             fi
1999             shift 2
2000             ;;
2001         --timestamp)
2002             TIMESTAMP=$2
2003             shift 2
2004             ;;
2005         --lustre)
2006             if ! LUSTRE=$(canon_filepath "$2"); then
2007                 fatal 1 "Could not determine the canonical location of $2"
2008             fi
2009             shift 2
2010             ;;
2011         --nodownload)
2012             DOWNLOAD=false
2013             shift 1
2014             ;;
2015         --nosrc)
2016             DO_SRC=false
2017             shift 1
2018             ;;
2019         --ofed-version)
2020             OFED_VERSION="$2"
2021             shift 2
2022             ;;
2023         --ofed-type)
2024                 OFED_TYPE="$2"
2025                 shift 2
2026                 ;;
2027         --ofed-src)
2028                 OFED_SRC="$2"
2029                 shift 2
2030                 ;;
2031         --publish)
2032             shift
2033             ;;
2034         --disable-zfs)
2035             WITH_ZFS="no"
2036             shift
2037             ;;
2038         --release)
2039             RELEASE=true
2040             shift
2041             ;;
2042         --src)
2043             DO_SRC=true
2044             shift 1
2045             ;;
2046         --stage)
2047             STAGEDIR=$2
2048             shift 2
2049             ;;
2050         --target)
2051             TARGET=$2
2052             shift 2
2053             ;;
2054         --target-archs)
2055             TARGET_ARCHS=$2
2056             shift 2
2057             ;;
2058         --xen)
2059             XEN=true
2060             shift
2061             ;;
2062         --set-value)
2063             eval $2
2064             shift 2
2065             ;;
2066         --)
2067             shift
2068             # there are actually some lustre configure flags that we need to
2069             # handle ourselves (but we still give them to configure)
2070             if [[ \ $@\  == *\ --disable-tests\ * ]]; then
2071                 LUSTRE_TESTS=false
2072             fi
2073             CONFIGURE_FLAGS=$@
2074             break
2075             ;;
2076         *)
2077             usage 1 "Unrecognized option: $1"
2078             ;;
2079     esac
2080 done
2081
2082 check_options
2083
2084 unpack_lustre
2085
2086 load_target
2087
2088         if [ -n "$OFED_TYPE" -a "$OFED_TYPE" != "inkernel" ]; then
2089                 download_ofed "$OFED_TYPE" "$OFED_VERSION"
2090                 unpack_ofed "$OFED_TYPE" "$OFED_VERSION" || fatal 1 "Error unpacking OFED tarball"
2091         fi
2092
2093 # make sure the RPM build environment is set up
2094 create_rpmbuild_dirs
2095
2096 # if an unpacked kernel source tree was given on the command line
2097 # just build lustre with it (nothing distro kernel specific here)
2098 if [ -n "$LINUX" ]; then
2099     find_linux_release() {
2100         _find_linux_release $LINUX
2101     }
2102         build_ofed "${LINUXOBJ:-$LINUX}" "$OFED_TYPE" "$OFED_VERSION" ||
2103         fatal 1 "error building OFED"
2104     build_lustre "$LINUX" "$LINUXOBJ"
2105 else
2106     if [ ! -f "${LBUILD_DIR}/lbuild-$DISTROMAJ" ]; then
2107         fatal 1 "${LBUILD_DIR}/lbuild-$DISTROMAJ not found"
2108     fi
2109     source ${LBUILD_DIR}/lbuild-$DISTROMAJ
2110         build_with_srpm "$OFED_TYPE" "$OFED_VERSION" || fatal 1 "Failed to build_with_srpm"
2111 fi
2112
2113 stage