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LU-8636 build: prevent src download at the same time
[fs/lustre-release.git] / 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 # this is the dir that should be used to store reuse products
64 REUSEBUILD=
65 # should cached products be used or force rebuilding?
66 USE_BUILD_CACHE=true
67 # what does this do exactly?  does it imply no kernel build?
68 IOKITRPM=true
69 OSDLDISKFSRPM=true
70 OSDZFSRPM=false
71 SMPTYPES="smp bigsmp default ''"
72 PATCHLESS=false
73 WITH_ZFS=""
74 XEN=false
75 LINUXOBJ=
76 DISTRO=
77 KERNELTREE=
78 # default to not adding -lustre- into the kernel RPM package names
79 KERNEL_LUSTRE_NAMING=false
80 # default not use kabi check.
81 USE_KABI=false
82
83 # patchless build
84 KERNELRPMSBASE=
85 RPMSMPTYPE=
86
87 # from target file
88 SERIES=
89 BASE_ARCHS=
90 BIGMEM_ARCHS=
91 BOOT_ARCHS=
92 JENSEN_ARCHS=
93 SMP_ARCHS=
94 BIGSMP_ARCHS=
95 PSERIES64_ARCHS=
96 UP_ARCHS=
97
98 # not in the target file any more
99 CONFIG=
100
101 # build the lustre-tests rpm?
102 LUSTRE_TESTS=true
103
104 DATE=$(date)
105
106 export CC=${CC:-gcc}
107
108 # Readlink is not present on some older distributions: emulate it.
109 readlink() {
110     local path=$1 ll
111
112     if [ -L "$path" ]; then
113         ll="$(LC_ALL=C ls -l "$path" 2> /dev/null)" &&
114         echo "${ll/* -> }"
115     else
116         return 1
117     fi
118 }
119
120 usage() {
121     cat <<EOF
122 Usage: ${0##*/} [OPTION]... [-- <lustre configure options>]
123
124   --external-patches=EXTERNAL_PATCHES
125     Directory similar to lustre/lustre/kernel_patches/ that lbuild should
126     look for seres and config files in before looking in the lustre
127     tree.
128
129   --extraversion=EXTRAVERSION
130     Text to use for the rpm release and kernel extraversion.
131
132   --timestamp=TIMESTAMP
133     Date of building lustre in format YYYYMMDDhhmmss
134
135   --reusebuild=DIR
136     Try to reuse old kernel builds from DIR
137
138   --kernelrpm=DIR
139     Path to distro kernel RPM collection
140
141   --ccache
142     Use ccache
143
144   --norpm
145     Unused.
146
147   --patchless
148     Build lustre client only
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   --linux=LINUX --with-linux=LINUX
162     Directory of Linux kernel sources.  When this option is used, only
163     Lustre modules and userspace are built.
164
165   --lustre=LUSTRE
166     Path to an existing lustre source tarball to use.
167
168   --nodownload
169     Do not try to download a kernel from downloads.hpdd.intel.com
170
171   --nosrc
172     Do not build a .src.rpm, a full kernel patch, or a patched kernel
173     tarball.
174
175   --ldiskfs
176     Build with ldiskfs support. (Deprecated, always true)
177
178   --noiokit
179     Do not build lustre-iokit RPM. Now true by default
180
181   --publish
182     Unused.
183
184   --release
185     Specifies that the files generated do not include timestamps, and
186     that this is an official release.
187
188   --disable-zfs
189     Build Lustre without ZFS.
190
191   --src
192     Build a .src.rpm, a full kernel patch, and a patched kernel tarball.
193
194   --stage=DIR
195     Directory used to stage packages for release.  RPMs will be placed
196     more or less in DIR/<target>-<arch>, and the tarball will be
197     placed in DIR.
198
199   --target=TARGET
200     The name of the target to build.  The available targets are listed
201     below.
202
203   --target-archs=TARGET_ARCHS
204     A (space delimited) list of architectures to build.  By default,
205     all of the archs supported by the TARGET will be built, in
206     addition to a .src.rpm.  This option can limit those, for machines
207     that can only build certain archs or if you only want a certain
208     arch built (for testing, or a one-off kernel).
209
210     Also note that by using a non-"base" arch (eg, i386) only kernels
211     will be built - there will be no lustre-lite-utils package.
212
213   --xen
214     Builds a Xen domX kernel.
215
216   --set-value
217     Sets a variable to a given value.
218
219 EOF
220
221 #   list_targets
222
223     fatal "$1" "$2"
224 }
225
226 # canonicalize a relative path to a file
227 canon_filepath() {
228     local PATH="$1"
229
230     if [ ! -f "$PATH" ]; then
231         return 1
232     fi
233
234     local FILE=${PATH##*/}
235     local DIR=${PATH%/*}
236
237     echo $(canon_path "$DIR")/$FILE
238     return 0
239 }
240
241 # canonicalize a relative path to a dir
242 canon_path() {
243     local PATH="$1"
244
245     if [ ! -d "$PATH" ]; then
246         return 1
247     fi
248
249     pushd "$PATH" >/dev/null || return 1
250     local CANONPATH=$PWD
251     popd >/dev/null
252
253     echo "$CANONPATH"
254     return 0
255 }
256
257 check_options() {
258
259     if [ -z "$LUSTRE" -o ! -r "$LUSTRE" ]; then
260         usage 1 "Could not find Lustre source tarball '$LUSTRE'."
261     fi
262
263     if [ -z "$DISTRO" ] ; then
264         DISTRO=$(autodetect_distro)
265         # remove separator
266         DISTRO=${DISTRO/-/}
267     fi
268     DISTROMAJ=${DISTRO%%.*}
269
270     [ -z "$TARGET" ] && TARGET=$(autodetect_target "$DISTRO")
271
272     if [ -z "$LINUX" ]; then
273         [ "$KERNELDIR" -o "$KERNELTREE" ] || \
274             usage 1 "A kernel directory must be specified with --kerneldir or --kerneltree."
275
276         [ -d "$KERNELDIR" -o -d "$KERNELTREE" ] || \
277             usage 1 "$KERNELDIR and $KERNELTREE are not a directory."
278
279 #       TARGET_FILE="$TOPDIR/lustre/kernel_patches/targets/$TARGET.target"
280 #       [ -r "$TARGET_FILE" ] || \
281 #               usage 1 "Target '$TARGET' was not found."
282     fi
283
284     case $TARGET in
285         3.12-sles12)
286             CANONICAL_TARGET="sles12"
287             ;;
288         3.10-rhel7)
289             CANONICAL_TARGET="rhel7"
290             ;;
291         2.6-rhel6*)
292             CANONICAL_TARGET="rhel6"
293             ;;
294         2.6-rhel5)
295             CANONICAL_TARGET="rhel5"
296             ;;
297         2.6-rhel4)
298             CANONICAL_TARGET="rhel-2.6"
299             ;;
300         2.6-suse)
301             CANONICAL_TARGET="sles-2.6"
302             ;;
303         2.6-sles10)
304             CANONICAL_TARGET="sles10-2.6"
305             ;;
306         2.6-sles11 | 3.0-sles11)
307             CANONICAL_TARGET="sles11"
308             ;;
309         2.6-oel5)
310             CANONICAL_TARGET="oel5"
311             ;;
312         hp_pnnl-2.4)
313             CANONICAL_TARGET="hp-pnnl-2.4"
314             ;;
315         2.6-vanilla \
316             | suse-2.4.21-2 \
317             | rh-2.4 \
318             | rhel-2.4 \
319             | sles-2.4 \
320             | 2.6-patchless)
321                 CANONICAL_TARGET="$TARGET"
322                 ;;
323     esac
324
325     local timestampnodig=$(echo $TIMESTAMP | sed -e s/[0-9]*//g)
326     [ "$timestampnodig" = "" ] || TIMESTAMP=$(date -d "$DATE" "+%Y%m%d%H%M%S")
327     local timestamplength="${#TIMESTAMP}"
328     if [ $timestamplength -eq 12 ]; then
329         TIMESTAMP="${TIMESTAMP}00"
330     elif [ $timestamplength -ne 14 ]; then
331         TIMESTAMP=$(date -d "$DATE" "+%Y%m%d%H%M%S")
332     fi
333
334     local RPMBUILD=$(which rpmbuild 2>/dev/null | head -n 1)
335     RPMBUILD=${RPMBUILD:-$(which rpm 2>/dev/null | head -n 1)}
336     if [ -z "$RPMBUILD" ]; then
337         usage 1 "Could not find binary for making rpms (tried rpmbuild and rpm)."
338     fi
339
340     local BINDIR="$TOPDIR/bin"
341     if [ -d $BINDIR ]; then
342         rm -rf $BINDIR >/dev/null 2>&1 || true
343     fi
344
345     mkdir -p $BINDIR || fatal 1 "error trying to create $BINDIR"
346     export PATH=$BINDIR:$PATH
347
348     cat >${BINDIR}/rpmbuild <<EOF
349 #!/bin/bash
350
351 ARGS="\${FIND_REQUIRES:+--define \"__find_requires \$FIND_REQUIRES\"}"
352 for arg; do
353     case \$arg in
354     *\'* ) ARGS="\$ARGS \"\$arg\"" ;;
355     * ) ARGS="\$ARGS '\$arg'" ;;
356     esac
357 done
358
359 eval $RPMBUILD \$ARGS
360 EOF
361     chmod 755 ${BINDIR}/rpmbuild
362
363     if [ -n "$CCACHE" ]; then
364         which "$DISTCC" &>/dev/null && export DISTCC RPM_BUILD_NCPUS
365
366         if which "$CCACHE" &>/dev/null; then
367             local ccache=$(which "$CCACHE" 2>/dev/null | head -n 1)
368
369             ln -s "$ccache" ${BINDIR}/ccache
370             ln -s "$ccache" ${BINDIR}/cc
371             ln -s "$ccache" ${BINDIR}/$CC
372
373             export CCACHE
374             export CC="ccache $CC"
375             # zero the cache so we can see how effective we are being with it
376             echo -n "ccache "
377             ccache -z
378
379             # get some ccache stats when we are done
380             push_exit_trap '[ -n "$CCACHE" ] && ccache -s' "ccache_summary"
381             # should remove the ccache trap if lbuild is interrupted
382             trap 'echo "Received an INT TERM or HUP signal, terminating."; delete_exit_trap "ccache_summary"; exit 1' INT TERM HUP
383         fi
384     fi
385
386     return 0
387 }
388
389 # compare two versions $1 and $2. if $1 < $2, return 0 otherwise return 1.
390 compare_version () {
391     [[ $1 == $2 ]] && return 1
392     local IFS=.
393     local i val1=($1) val2=($2)
394
395     # padding zero to val1 if it needs
396     for ((i=${#val1[@]}; i<${#val2[@]}; i++)); do
397         val1[i]=0
398     done
399     for ((i=0; i<${#val1[@]}; i++)); do
400         [[ -z ${val2[i]} ]] && return 1
401
402         if [[ ${val1[i]} < ${val2[i]} ]]; then
403             return 0
404         elif [[ ${val1[i]} > ${val2[i]} ]]; then
405             return 1
406         fi
407     done
408
409     return 0
410 }
411
412 uniqify() {
413
414     echo $(echo "$*" | xargs -n 1 | sort -u)
415
416 }
417
418 fetch_url() {
419     local url="$1"
420     local target="$2"
421
422     if [ -z "$target" ]; then
423         fatal 1 "fetch_url() called without a target to fetch to"
424     fi
425
426     if [ -d $target ]; then
427         target+="/${url##*/}"
428     fi
429
430     local rc=0
431     if which wget >/dev/null 2>&1; then
432         if ! wget -nv "$url" -O "$target"; then
433             rc=${PIPESTATUS[0]}
434         fi
435     elif which curl >/dev/null 2>&1; then
436         if ! curl -n -L -s -o "$target" "$url"; then
437             rc=${PIPESTATUS[0]}
438         fi
439     else
440         fatal 1 "Could not find either wget or curl to fetch URLs."
441     fi
442
443     return $rc
444
445 }
446
447 download_srpm() {
448         local target=$1
449         local srpm=$2
450         local force="${3:-false}"
451
452         # let the download_file handle the concurrency
453         if $DOWNLOAD; then
454                 local location= \
455                 "https://downloads.hpdd.intel.com/public/kernels/$target/old"
456                 # get the location from a distro specific method if it exists
457                 if type -p kernel_srpm_location; then
458                         location=$(kernel_srpm_location)
459                 fi
460                 echo "Downloading $location/$srpm..."
461                 if ! download_file \
462                         "$location/$srpm" "$KERNELDIR/$srpm" "$force" 2>&1 ||
463                         [ ! -s "$KERNELDIR/$srpm" ]; then
464                         rm -f $KERNELDIR/$srpm
465                         fatal 1 "Could not download target $target's kernel \
466 SRPM $srpm from $location."
467                 fi
468         fi
469 }
470
471 download_file() {
472     local from="$1"
473     local to="$2"
474     local force="$3"
475
476     local file=${from##*/}
477
478     if [ -d $to ]; then
479         to="$to/$file"
480     fi
481
482     local semaphore="$to-downloading"
483
484     is_downloading() {
485         if [ ! -f $semaphore ]; then
486             return 1
487         fi
488
489         # make sure the download has not been aborted
490         local now=$(date +%s)
491         local file_mtime=$(stat -c %Y "$to")
492         local staleness=$((now - file_mtime))
493         # let's assume an active download will write at least once a minute
494         if [ $staleness -gt 60 ]; then
495             return 1
496         fi
497
498         return 0
499     }
500
501     is_downloaded() {
502         # if the semaphore file exists, the file is either still downloading
503         # or a download was aborted and we cannot trust the target file
504         if [ -f $semaphore ]; then
505             return 1
506         fi
507
508         if ! is_downloading && [ -r "$to" ] && [ -s "$to" ]; then
509             return 0
510         fi
511
512         return 1
513     }
514
515     if $force || ! is_downloaded; then
516         if is_downloading; then
517             echo "Somebody else is downloading $from..."
518             while is_downloading; do
519                 echo "Waiting for $to to finish downloading"
520                 sleep 60
521             done
522             if is_downloaded; then
523                 return 0
524             else
525                 echo "The download we were waiting for seems to have been aborted"
526             fi
527
528         fi
529
530         if $DOWNLOAD; then
531             echo "Downloading $from..."
532             # flag others so they don't try to download also
533             push_exit_trap "rm -f $to $semaphore" "download"
534             touch $semaphore
535             if ! fetch_url "$from" "$to" || [ ! -s "$to" ]; then
536                 # the trap will remove the files via the fatal below
537                 fatal 1 "Could not download ${to##*/} from ${from%/*}/."
538             fi
539             rm -f $semaphore
540             delete_exit_trap "download"
541         else
542             fatal 1 "${to##*/} not found in directory ${to%/*}."
543         fi
544     fi
545
546     return 0
547
548 }
549
550 download_ofed() {
551     local force="${1:-false}"
552
553     if [ -z "$OFED_VERSION" -o "$OFED_VERSION" = "inkernel" ]; then
554         return 0
555     fi
556
557     local OFED_BASE_VERSION=$OFED_VERSION
558     if [[ $OFED_VERSION = *.*.*.* ]]; then
559         OFED_BASE_VERSION=${OFED_VERSION%.*}
560     fi
561
562     local location="https://www.openfabrics.org/downloads/OFED/ofed-${OFED_BASE_VERSION}/"
563
564     if [[ $OFED_VERSION = *-[rR][cC][0-9] ]]; then
565         local Mmv
566         Mmv=${OFED_VERSION%%-[rR][cC][0-9]}
567         location="https://www.openfabrics.org/downloads/OFED/ofed-${Mmv}/"
568     fi
569
570     if [[ $OFED_VERSION = daily-* ]]; then
571         local Mmv
572         Mmv=${OFED_VERSION/daily-/}
573         daily=${OFED_VERSION##$Mmv-}
574         location="https://www.openfabrics.org/downloads/OFED/ofed-${Mmv}-daily/"
575         # find the filename for the version for the date specified
576         OFED_VERSION=$(curl -s "$location" | sed -nre "/${Mmv}-/s/.*href=\"OFED-(${Mmv}-[0-9]{8,8}-[0-9]{4,4}).tgz.*$/\1/p" | tail -1)
577         if [ -z "$OFED_VERSION" ]; then
578             fatal 1 "Could not determine the filename of the OFED snapshot for ${daily}"
579         fi
580     fi
581
582     local file="OFED-${OFED_VERSION}.tgz"
583     download_file "$location/$file" "$KERNELTREE" "$force"
584
585 }
586
587 load_target() {
588
589     EXTRA_VERSION_save="$EXTRA_VERSION"
590     for patchesdir in "$EXTERNAL_PATCHES" \
591                       "$TOPDIR/lustre/lustre/kernel_patches"; do
592         TARGET_FILE="$patchesdir/targets/$TARGET.target"
593         [ -r "$TARGET_FILE" ] && break
594     done
595     [ -r "$TARGET_FILE" ] || fatal 1 "Target $TARGET was not found."
596
597     echo "Loading target config file $TARGET.target..."
598
599     # if the caller specified an OFED_VERSION it should override whatever
600     # the target file specifies
601     local env_OFED_VERSION="$OFED_VERSION"
602
603     . "$TARGET_FILE"
604
605     if [ -n "$env_OFED_VERSION" ]; then
606         OFED_VERSION="$env_OFED_VERSION"
607     fi
608
609     # doesn't make any sense to build OFED for xen domX's
610     if $XEN; then
611         OFED_VERSION=""
612     fi
613
614     # XXX - set_rpm_smp_type is an ugly undeterministic hack.  it needs to
615     #       go away and the target just specify the $RPMSMPTYPE
616     [ -z "$RPMSMPTYPE" ] && set_rpm_smp_type
617
618     # CC might have been overwritten in TARGET_FILE
619     if [[ $CC != ccache\ * ]] && which "$CCACHE" &>/dev/null; then
620         export CCACHE && export CC="ccache $CC"
621     fi
622
623     if [ ! "$KERNELTREE" = "" ] && [ -d "$KERNELTREE" ]; then
624         KERNELDIR="$KERNELTREE/${lnxmaj}"
625         [ -d "$KERNELDIR" ] || mkdir "$KERNELDIR"
626     fi
627
628     # verify the series is available
629     if [ "$SERIES" ]; then
630         for series in $SERIES; do
631             for patchesdir in "$EXTERNAL_PATCHES" "$TOPDIR/lustre/lustre/kernel_patches"; do
632                 [ -r "$patchesdir/series/$series" ] && continue 2
633             done
634             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."
635         done
636     fi
637
638     # set the location of the .config file
639     local XENPOSTFIX=""
640     if $XEN; then
641         XENPOSTFIX="-xen"
642     fi
643
644     if [ -f $TOPDIR/lustre/lustre/kernel_patches/kernel_configs/kernel-$lnxmaj-$TARGET-$TARGET_ARCH.config ]; then
645         CONFIG_FILE="$TOPDIR/lustre/lustre/kernel_patches/kernel_configs/kernel-$lnxmaj-$TARGET$XENPOSTFIX-$TARGET_ARCH.config"
646     fi
647
648     local lnxrelnew=${lnxrel//-/_}
649
650     # remember the EXTRA_VERSION before we diddle it here
651     # XXX - we really should not diddle with any values read in from the
652     #       target file.  if we want to modify a value, we should create
653     #       a new variable.
654     PRISTINE_EXTRA_VERSION=$EXTRA_VERSION
655
656     if ! $PATCHLESS && [ ! -f "$CONFIG_FILE" ]; then
657         fatal 1 "Config file for target $TARGET missing from $TOPDIR/lustre/lustre/kernel_patches/kernel_configs/."
658     fi
659
660     if [ "$EXTRA_VERSION_save" ]; then
661         EXTRA_VERSION="$EXTRA_VERSION_save"
662     elif ! $RELEASE; then
663         # if there is no patch series, then this is not a lustre specific
664         # kernel.  don't make it look like one
665         if $PATCHLESS || [ -n "$SERIES" ]; then
666             EXTRA_VERSION=$(echo $EXTRA_VERSION | sed -e "s/\(.*_lustre\)\..*/\1/")
667         fi
668     fi
669     # EXTRA_VERSION=${EXTRA_VERSION//-/_}
670
671     ALL_ARCHS="$BASE_ARCHS $BIGMEM_ARCHS $BOOT_ARCHS $JENSEN_ARCHS $SMP_ARCHS $BIGSMP_ARCHS $PSERIES64_ARCHS $UP_ARCHS"
672
673     BUILD_ARCHS=
674     for arch in $(uniqify "$ALL_ARCHS"); do
675         if [ -z "$TARGET_ARCHS" ] ||
676            [[ \ $TARGET_ARCHS\  = *\ $arch\ * ]]; then
677             BUILD_ARCHS="$BUILD_ARCHS $arch"
678         fi
679     done
680     [ "$BUILD_ARCHS" ] || usage 1 "No available target archs to build."
681     echo "Building for: $BUILD_ARCHS"
682 }
683
684 tarflags() {
685     local file="$1"
686
687     echo -n '--wildcards '
688     case "$file" in
689         '')
690             fatal 1 "tarflags(): File name argument missing."
691             ;;
692         *.tar.gz | *.tgz)
693             echo '-zxf'
694             ;;
695         *.tar.bz2)
696             echo '-jxf'
697             ;;
698         *.tar)
699             echo '-xf'
700             ;;
701         *)
702             fatal 1 "tarflags(): Unrecognized tar extension in file: $1"
703             ;;
704     esac
705
706 }
707
708 untar() {
709     local tarfile="$1"
710     shift
711     local extractfile="$@"
712
713     echo "Untarring ${tarfile##*/}..."
714     tar $(tarflags "$tarfile") "$tarfile" $extractfile
715
716 }
717
718 unpack_ofed() {
719
720     if ! untar "$KERNELTREE/OFED-${OFED_VERSION}.tgz"; then
721         return 1
722     fi
723     [ -d OFED ] || ln -sf OFED-[0-9].[0-9]* OFED
724
725 }
726
727 unpack_lustre() {
728
729     untar "$LUSTRE" || fatal 1 "Error unpacking Lustre tarball"
730     [ -d lustre ] || ln -sf lustre-[0-9].[0-9]* lustre
731
732 }
733
734 do_patch_linux() {
735
736     local do_patch=${1:-true}
737
738     FULL_PATCH="$PWD/lustre-kernel-${TARGET}-${EXTRA_VERSION}.patch"
739     [ -f "$FULL_PATCH" ] && rm -f "$FULL_PATCH"
740     $do_patch && pushd linux >/dev/null
741     for series in $SERIES; do
742         echo -n "Applying series $series:"
743         for patchesdir in "$EXTERNAL_PATCHES" "$TOPDIR/lustre/lustre/kernel_patches"; do
744             [ -r "$patchesdir/series/$series" ] || continue
745             SERIES_FILE="$patchesdir/series/$series"
746             for patch in $(<"$SERIES_FILE"); do
747                 echo -n " $patch"
748                 PATCH_FILE="$patchesdir/patches/$patch"
749                 [ -r "$PATCH_FILE" ] || \
750                     fatal 1 "Patch $patch does not exist in Lustre tree."
751                 cat "$PATCH_FILE" >> "$FULL_PATCH" || {
752                     rm -f $FULL_PATCH
753                     fatal 1 "Error adding patch $patch to full patch."
754                 }
755                 if $do_patch; then
756                     patch -s -p1 < "$PATCH_FILE" 2>&1 || {
757                         rm -f $FULL_PATCH
758                         fatal 1 "Error applying patch $patch."
759                     }
760                 fi
761             done
762             break
763         done
764         echo
765     done
766     $do_patch && popd >/dev/null
767     echo "Full patch has been saved in ${FULL_PATCH##*/}."
768
769 }
770
771 build_lustre() {
772     local linux="$1"
773     local linuxobj="$2"
774     local configure_args=""
775
776     cp "$LUSTRE" SOURCES
777
778     pushd lustre >/dev/null
779
780     if ! build_lustre_dkms; then
781         popd >/dev/null # pushd lustre
782         return 255
783     fi
784
785     echo "Building Lustre RPMs for: $BUILD_ARCHS..."
786
787     # If server we now build the spl and zfs modules against the lustre kernel.
788     # These are required prior to the building of lustre server. Client does
789     # not require spl/zfs. Use !PATCHLESS to indicate server which follows the
790     # line above so is at least consistant.
791     if [ $PATCHLESS == false ] && [ "x$WITH_ZFS" == "x" ]; then
792         if ! build_spl_zfs; then
793             popd >/dev/null # pushd lustre
794             return 255
795         fi
796     fi
797
798     if $PATCHLESS; then
799         configure_args="$configure_args --disable-server"
800     fi
801
802     # ditto for the lustre-tests boolean
803     if ! $LUSTRE_TESTS; then
804         configure_args="$configure_args --disable-tests"
805     fi
806
807     if ! $IOKITRPM; then
808         configure_args="$configure_args --disable-iokit"
809     fi
810
811     if ! $OSDZFSRPM; then
812         configure_args="$configure_args --without-zfs"
813     fi
814
815     if ! $OSDLDISKFSRPM; then
816         configure_args="$configure_args --disable-ldiskfs"
817     fi
818
819     configure_args="$configure_args --with-linux=$linux"
820     configure_args="$configure_args ${linuxobj:+--with-linux-obj=$linuxobj}"
821
822     # allow environment setting to override ldiskfs series selection
823     [ -n "$LDISKFS_SERIES" ] && export LDISKFS_SERIES
824
825     ./configure $configure_args $CONFIGURE_FLAGS 2>&1 ||
826         fatal 1 "Error in configure."
827     make rpms 2>&1 ||
828         fatal 1 "Error building rpms for $BUILD_ARCHS."
829
830     # move RPMs into place where they are expected to be
831     for arch in $BUILD_ARCHS; do
832         mv -f *lustre*.${arch}.rpm $TOPDIR/RPMS/${arch}/
833     done
834     mv -f lustre-*.src.rpm $TOPDIR/SRPMS/
835
836     popd >/dev/null
837         if type -p cleanup_rpmmacros; then
838                 cleanup_rpmmacros
839         fi
840
841     return 0
842 }
843
844 # Only zfs Lustre DKMS Server is supported
845 build_lustre_dkms() {
846     local build_args=""
847     local name_prefix="lustre"
848     local ver=$(sed -n -e 's/^LUSTRE_VERSION = //p' LUSTRE-VERSION-FILE)
849
850     echo "Building Lustre DKMS RPMs for: $BUILD_ARCHS..."
851     ./configure --enable-dist || fatal 1 "Error in DKMS configure."
852
853     if $PATCHLESS; then
854         build_args="--without servers"
855         name_prefix="lustre-client"
856     fi
857
858     rpmbuild --define "_topdir $TOPDIR" $build_args -bs lustre-dkms.spec ||
859         fatal 1 "Error building DKMS .src.rpm for $BUILD_ARCHS."
860     rpmbuild --define "_topdir $TOPDIR" $build_args \
861              --rebuild $TOPDIR/SRPMS/$name_prefix-dkms-$ver-*.src.rpm ||
862         fatal 1 "Error building DKMS .rpm for $BUILD_ARCHS."
863
864     return 0
865 }
866
867 ###
868 # build_spl_zfs
869 #
870 # Fetch spl/zfs from the git repo and prepare for lustre build
871 #
872 # Overrides:
873 #   SPLZFSGITREPO - URI of directory where spl.git and zfs.git are located
874 #   SPLZFSTAG     - Tag to checkout of clone repositories
875 #   SPLZFSVER     - Version to checkout of both (format zfs/spl-$SPLZFSVER)
876 #
877 # return 0 if successful, else 255
878 build_spl_zfs() {
879     # make sure the RPM build environment is set up
880     pushd $TOPDIR
881     create_rpmbuild_dirs
882     popd
883
884     # The spl/zfs spec files expect RPM_BUILD_ROOT to point to the root of the
885     # destination for the rpms
886     export RPM_BUILD_ROOT=$TOPDIR
887     SPLZFSVER=${SPLZFSVER:-0.6.5.7}
888     SPLZFSTAG=${SPLZFSTAG:-}
889
890     # The files expect a kver to be set to the kernel version .
891     local kver=$(find_linux_release)
892
893     # build and install the spl and zfs (and -devel) RPMs for lustre to use
894     local pkg
895     for pkg in spl zfs; do
896
897         local rpmpkg
898
899         [ "$pkg" == "zfs" ] && spldir="$(ls -d $TOPDIR/usr/src/spl-*|tail -1)"
900
901         # need to fetch the repo in order to build it.
902         # default to github but allow override
903         git clone ${SPLZFSGITREPO:-"https://github.com/zfsonlinux"}/$pkg.git $pkg 2>&1
904
905         pushd $pkg || return 255
906         if [ -n "$SPLZFSTAG" ]; then
907             git checkout $SPLZFSTAG
908         else
909             git checkout -b lbuild $pkg-$SPLZFSVER
910         fi
911
912         # This differentiates between older zfs versions
913         if [ -f $pkg-modules.spec.in ]; then
914             rpmpkg=$pkg-modules
915             specdir=.
916             speclist="$pkg.spec $rpmpkg.spec"
917         else
918             rpmpkg=kmod-$pkg-devel
919             specdir=rpm/generic
920             speclist="$pkg.spec $pkg-kmod.spec $pkg-dkms.spec"
921         fi
922
923         sh autogen.sh || return 255
924
925         if  ! ./configure --with-linux=${LINUX} --with-linux-obj=${LINUXOBJ:-$LINUX} \
926                           ${spldir:+--with-spl="${spldir}"} 2>&1 ||
927             ! make dist 2>&1; then
928             popd
929             return 255
930         fi
931         popd
932
933         ln -f $pkg/$pkg-*.tar.gz $TOPDIR/SOURCES ||
934            error "failed to link $pkg/$pkg-*.tar.gz into $TOPDIR/SOURCES"
935         if [ -f $pkg/scripts/kmodtool ]; then
936             ln -f $pkg/scripts/kmodtool $TOPDIR/SOURCES/
937         fi
938
939         local rpmb
940         if $DO_SRC; then
941             rpmb=-ba
942         else
943             rpmb=-bb
944         fi
945
946         # set search dir for our own kmodtool to find correct
947         # directories
948         export KERNELSOURCE=$(dirname ${LINUX})
949         # Manually build rpms
950         for spec in $speclist; do
951             echo "Building RPMs from $pkg/$specdir/$spec"
952             if ! rpmbuild $rpmb $pkg/$specdir/$spec \
953                 --nodeps -v \
954                 --define "_use_internal_dependency_generator 0" \
955                 --define "require_kdir ${LINUX}" \
956                 ${LINUXOBJ:+--define "require_kobj ${LINUXOBJ}"} \
957                 ${spldir:+--define "require_spldir ${spldir}"} \
958                 --define "kver $kver" \
959                 --define "kernels $kver" \
960                 --define "_tmppath /var/tmp" \
961                 --define "kernelbuildroot $TOPDIR/reused" \
962                 --define "_topdir $TOPDIR" 2>&1; then
963                 return 255
964             fi
965         done
966
967         # We have built the rpms for the package. Now we need to extract the
968         # contained files so we can build further things against them
969         local rpms=$(ls -1 $TOPDIR/RPMS/*/$rpmpkg-*.rpm)
970
971         # cpio only extract to pwd so we need to go there.
972         pushd $TOPDIR
973         local rpm
974         for rpm in $rpms; do
975             rpm2cpio $rpm | cpio -id
976         done
977
978         if [ "$pkg" == "zfs" ]; then
979             # We also need to extract both the zfs and zfs-devel rpms
980             # the zfs rpm is needed because it has the actual libraries in
981             # it and the zfs-devel rpm only has unversioned symlinks to the
982             # libraries in the zfs rpm
983             # this will all change one day when we have a libzfs rpm per
984             # https://github.com/zfsonlinux/zfs/issues/2329
985             # and it looks like it could be one day soon:
986             # https://github.com/zfsonlinux/zfs/pull/2341
987             local devel_rpms=$(ls -1 $TOPDIR/RPMS/*/{$pkg-devel,$pkg-$SPLZFSVER,lib*}-*.rpm)
988             for rpm in $devel_rpms; do
989                 rpm2cpio $rpm | cpio -id
990             done
991             CONFIGURE_FLAGS="--with-$pkg-devel=$TOPDIR ${CONFIGURE_FLAGS}"
992         fi
993         popd
994
995         CONFIGURE_FLAGS="--with-$pkg=$(ls -d $TOPDIR/usr/src/$pkg-*|tail -1) ${CONFIGURE_FLAGS}"
996         CONFIGURE_FLAGS="--with-$pkg-obj=$(ls -d $TOPDIR/usr/src/$pkg-*/$kver*|tail -1) ${CONFIGURE_FLAGS}"
997     done
998
999     OSDZFSRPM=true
1000
1001     return 0
1002 }
1003
1004 stage() {
1005
1006     [ "$STAGEDIR" ] || return 0
1007
1008     for arch in $BUILD_ARCHS; do
1009         rpmdir="${STAGEDIR}/${CANONICAL_TARGET}-${arch}"
1010         echo "${0##*/}: Copying RPMs into ${rpmdir}"
1011         mkdir -p "${rpmdir}"
1012         for rpm in $(ls RPMS/${arch}/*.rpm RPMS/noarch/*.rpm); do
1013             cp -v $rpm "${rpmdir}"
1014         done
1015     done
1016
1017     cp -v "$LUSTRE" "$STAGEDIR"
1018
1019 }
1020
1021 set_rpm_smp_type() {
1022
1023     local infact_arch="${TARGET_ARCH}"
1024
1025     RPMSMPTYPE=""
1026     [ "$infact_arch" == "i586" ] && infact_arch="i686"
1027
1028     local smp_type
1029     for smp_type in $SMP_ARCHS; do
1030         [ $infact_arch == $smp_type ] && RPMSMPTYPE=smp && break
1031     done
1032
1033     for smp_type in $BIGSMP_ARCHS; do
1034         [ $infact_arch == $smp_type ] && RPMSMPTYPE=bigsmp && break
1035     done
1036
1037     for smp_type in $PPC64_ARCHS; do
1038         [ $infact_arch == $smp_type ] && RPMSMPTYPE=ppc64 && break
1039     done
1040
1041     for smp_type in $DEFAULT_ARCHS; do
1042         [ $infact_arch == $smp_type ] && RPMSMPTYPE=default && break
1043     done
1044
1045 }
1046
1047 # This function takes a linux include tree and digs out the linux release
1048 # from it. It is never called directly, only called from the distro
1049 # specific function find_linux_release() in lbuild-{rhel,sles}.
1050 _find_linux_release() {
1051     local SRC="$1"
1052     local LINUXRELEASEHEADER=""
1053
1054     LINUXRELEASEHEADER=$SRC/include/linux/version.h
1055     if [ -s $SRC/include/generated/utsrelease.h ]; then
1056         LINUXRELEASEHEADER=$SRC/include/generated/utsrelease.h
1057     elif [ -s $SRC/include/linux/utsrelease.h ]; then
1058         LINUXRELEASEHEADER=$SRC/include/linux/utsrelease.h
1059     fi
1060
1061     if [ ! -s $LINUXRELEASEHEADER ]; then
1062         fatal 1 "could not find UTS_RELEASE"
1063     fi
1064
1065     sed -ne 's/#define UTS_RELEASE "\(.*\)"$/\1/p' $LINUXRELEASEHEADER
1066 }
1067
1068 # unpack kernel(/source/devel) RPM
1069 #
1070 # This function and it's setting of $LINUX and $LINUXOBJ is a total hack that
1071 # needs to completely refactored.  It completely ingores that $BUILD_ARCHS may
1072 # contain a list of arches for which rpmbuild commands (including the one for
1073 # lustre itself)
1074 unpack_linux_devel_rpm() {
1075     local kernelrpm="${1}"
1076
1077     [ -f "$kernelrpm" ] || return 255
1078     [ -d $TOPDIR/reused ] || mkdir $TOPDIR/reused || return 255
1079
1080     pushd $TOPDIR/reused &>/dev/null || return 255
1081
1082     if ! rpm2cpio < "$kernelrpm" | cpio -id > /dev/null 2>&1; then
1083         return 255
1084     fi
1085
1086     # call a distro specific hook, if available
1087     if type -p unpack_linux_devel_rpm-$DISTROMAJ; then
1088         if ! unpack_linux_devel_rpm-$DISTROMAJ "$kernelrpm"; then
1089             return 255
1090         fi
1091     fi
1092
1093     popd &>/dev/null
1094
1095     find_linux_devel_paths $TOPDIR/reused
1096
1097     return 0
1098
1099 }
1100
1101 build_kernel_ib() {
1102     local linux="$1"
1103     local kib_prefix="$2"
1104     local kib_rpm="$3"
1105
1106     # build kernel-ib{,-devel}/compat-rdma{,-devel}
1107     local K_SRC="K_SRC"
1108     # ofed 1.3 had a bug in the rpm spec
1109     if [ "$OFED_VERSION" = "1.3" ]; then
1110         K_SRC="KSRC"
1111     fi
1112
1113     local OFED_CORE="--with-core-mod --with-ipoib-mod --with-user_mad-mod --with-user_access-mod --with-addr_trans-mod"
1114     local OFED_HARDWARE="--with-mthca-mod --with-mlx4-mod --with-mlx4_en-mod --with-cxgb3-mod --with-nes-mod --with-qib-mod"
1115
1116     if compare_version $OFED_VERSION 3.0; then
1117         OFED_CORE="$OFED_CORE --with-madeye-mod --with-rds-mod"
1118     else
1119         OFED_HARDWARE="$OFED_HARDWARE --with-mlx5-mod --with-cxgb4-mod --with-ocrdma-mod --with-qib-mod"
1120     fi
1121
1122     # some I/B drivers are architecture dependent and kernel-ib's configure
1123     # does not figure it out for us ~sigh~
1124     case "$TARGET_ARCH" in
1125         ppc64)
1126             OFED_HARDWARE="$OFED_HARDWARE --with-ehca-mod"
1127             ;;
1128     esac
1129     # we're no longer shipping the OFED iSCSI target
1130     #OFED_ISCSI="--with-srp-mod --with-srp-target-mod"
1131     OFED_ISCSI="--with-srp-mod"
1132     ## ISER module has no backport support as of OFED 1.5 (i.e. only builds on
1133     ##kernels >= 2.6.30)
1134     #if [[ $OFED_VERSION = 1.[0-4]* ]]; then
1135     #   OFED_ISCSI="$OFED_ISCSI --with-iser-mod"
1136     #fi
1137
1138     # assume we are just rebuilding the SRPM
1139     local BUILD_TYPE=${BUILD_TYPE:-"--rebuild"}
1140     local SOURCE="${TOPDIR}/OFED/SRPMS/${kib_prefix}-*.src.rpm"
1141
1142     # but switch to building from the SPEC if we need to apply patches
1143     if ls ${TOPDIR}/lustre/contrib/patches/ofed/* >/dev/null; then
1144         BUILD_TYPE="-bb"
1145         rpm --define "_topdir ${TOPDIR}" -ivh $SOURCE
1146         SOURCE="${TOPDIR}/SPECS/${kib_prefix}.spec"
1147         local file ed_fragment1 ed_fragment2 n=1
1148         for file in $(ls ${TOPDIR}/lustre/contrib/patches/ofed/*.patch); do
1149             ed_fragment1="$ed_fragment1
1150 Patch$n: ${file%%*/}"
1151             ed_fragment2="$ed_fragment2
1152 %patch$n -p0"
1153             cp $file ${TOPDIR}/SOURCES
1154             let n=$n+1
1155         done
1156         for file in $(ls ${TOPDIR}/lustre/contrib/patches/ofed/*.ed); do
1157             # Only apply the ed-scripts that should be used for the canonical target
1158             # ed-files in ${TOPDIR}/lustre/contrib/patches/ofed/ have to follow the naming
1159             # convention
1160             # <two-digits>-<descriptive-name>:<canonical_target_1>: ...:<canonical_target_N>.ed
1161             # To apply the same change to multiple canonical target simply specify
1162             # a list of colon separated canoncial target names in the file name.
1163             echo "$file" | grep -q -e ":${CANONICAL_TARGET}:" \
1164                                    -e ":${CANONICAL_TARGET}.ed$"
1165             if [ $? -eq 0 ] ; then
1166                 ed_fragment3="$ed_fragment3
1167 $(cat $file)"
1168                 let n=$n+1
1169             fi
1170         done
1171
1172         if [ $n -gt 1 ]; then
1173             ed $SOURCE <<EOF
1174 /^Source: /a
1175 $ed_fragment1
1176 .
1177 /^%setup /a
1178 $ed_fragment2
1179 .
1180 $ed_fragment3
1181 wq
1182 EOF
1183         fi
1184     fi
1185
1186     local linuxrelease=$(find_linux_release)
1187     if compare_version $OFED_VERSION 3.0; then
1188         local OFA_KERNEL_RELEASE=$(echo -n ${linuxrelease} | sed -e 's/-/_/g')
1189     fi
1190     if ! rpmbuild $BUILD_TYPE --define 'build_kernel_ib 1' --define 'build_kernel_ib_devel 1' \
1191                   --define "_topdir ${TOPDIR}" --target ${TARGET_ARCH} \
1192                   --define "KVERSION ${linuxrelease}" \
1193                   --define "$K_SRC ${linux}" \
1194                   --define "LIB_MOD_DIR /lib/modules/${linuxrelease}/updates" \
1195                   ${OFA_KERNEL_RELEASE:+--define "_release $OFA_KERNEL_RELEASE"} \
1196                   --define "configure_options --without-quilt $OFED_CORE $OFED_HARDWARE $OFED_ISCSI" \
1197                   ${SOURCE} 2>&1; then
1198         fatal 1 "Error building ${kib_rpm}"
1199     fi
1200
1201 }
1202
1203 store_for_reuse() {
1204     local articles="$1"
1205     local module="$2"
1206     local location="$3"
1207     local signature="$4"
1208     local use_links="$5"
1209
1210     local linkflag=""
1211     if $use_links; then
1212         linkflag="l"
1213     fi
1214
1215     local default_iface=$(/sbin/ip route get 192.1.1.1 | sed -ne 's/.* dev \(.*\)  * src .*/\1/p')
1216     if [ -z "$default_iface" ]; then
1217         fatal 1 "Failed to determine the default route interface"
1218     fi
1219     local unique_id=$(/sbin/ip addr show dev $default_iface | sed -ne '/ inet /s/ *inet \(.*\)\/.*/\1/p' | head -1)
1220     if [ -z "$unique_id" ]; then
1221         fatal 1 "Failed to determine a unique id from interface $default_interface"
1222     fi
1223
1224     local finallocation="$location"/"$signature"/"$module"
1225     location="$location"/"$signature-${unique_id}"/"$module"
1226     mkdir -p "$location"
1227     # the cleanup script removes any directory that doesn't have a
1228     # .lastused, so let's try to prevent that as soon as we can
1229     # this solution still slightly racy with the cleanup script
1230     # but the race is a lot tighter now
1231     touch -t 197001010000 "$location/.lastused"
1232     ## use eval/echo here to make sure shell expansions are performed
1233     #if ! cp -a${linkflag} $(eval echo $articles) "$location"; then
1234     local article
1235     for article in $(eval echo $articles); do
1236         if ! cp -a${linkflag} "$article" "$location"; then
1237             error "Failed to copy \"$article\" to \"$location\" in store_for_reuse()"
1238             # rename the cache location so that it's not cached
1239             # product, but is around for analysis
1240             mv "$location"{,-bad-$(date +%s)} ||
1241                 error "failed to clean up a failed cache attempt" \
1242                       "in \"$location\" -- manual cleanup will be" \
1243                       "necessary"
1244             return 1
1245         fi
1246     done
1247
1248     # flag the cache as complete (i.e. in case lbuild was previously
1249     # interrupted while caching)
1250     touch "$location/.lastused"
1251
1252     # put the temporary location into the final location
1253     # (last one wins)
1254     mkdir -p "${finallocation%/*}"
1255     mv "$location" "$finallocation"
1256     rmdir "${location%/*}"
1257     return 0
1258
1259 }
1260
1261 reuse() {
1262     local module="$1"
1263     local dest="$2"
1264     local use_links="${3:-false}"
1265     local signature="$4"
1266
1267     if [ -n "$REUSEBUILD" ] && [ -d "$REUSEBUILD/$signature/$module" ]; then
1268         if [ ! -f "$REUSEBUILD/$signature/$module/.lastused" ]; then
1269             # the .lastused flag is populated at the end of the caching to
1270             # signal that the caching was completed.  if that flag is not
1271             # there, then the cache is invalid (and should be removed in fact)
1272             mv "$REUSEBUILD/$signature/$module"{,-bad-$(date +%s)} ||
1273                 fatal 1 "failed to clean up a bad cache in location $REUSEBUILD/$signature/$module\" -- manual cleanup will be necessary"
1274             return 1
1275         fi
1276
1277         # so that we know how stale this entry is
1278         touch $REUSEBUILD/$signature/$module/.lastused
1279
1280         if $use_links; then
1281             if ls $REUSEBUILD/$signature/$module/* >/dev/null 2>&1; then
1282                 cp -al $REUSEBUILD/$signature/$module/* $dest/
1283             fi
1284         else
1285             # copying is pretty heavy
1286             # cp -a $REUSEBUILD/$signature/$module/* $dest/
1287             # do some creative symlinking instead
1288             local dir
1289             for dir in BUILD SRPMS SPECS; do
1290                 if ls $REUSEBUILD/$signature/$module/$dir/* >/dev/null 2>&1; then
1291                     ln -s $REUSEBUILD/$signature/$module/$dir/* $dest/$dir
1292                 fi
1293             done
1294             # sources have to be copied by file because we need SOURCES to
1295             # be a dir we can write into
1296 # could overrun ls's arg list here
1297             #ls $REUSEBUILD/$signature/$module/SOURCES/* |
1298             find $REUSEBUILD/$signature/$module/SOURCES/ -type f |
1299                 xargs ln -t $dest/SOURCES -s
1300
1301             # same for RPMS/* dirs
1302 # could overrun ls's arg list here
1303             #ls $REUSEBUILD/$signature/$module/RPMS/$TARGET_ARCH/* |
1304             local dir
1305             for dir in $REUSEBUILD/$signature/$module/RPMS/*; do
1306                 mkdir -p $dest/RPMS/${dir##*/}
1307                 find $dir -type f |
1308                   xargs ln -t $dest/RPMS/${dir##*/} -s
1309             done
1310         fi
1311         return 0
1312     else
1313         return 1
1314     fi
1315 }
1316
1317 basearch() {
1318     local arch="$1"
1319
1320     if [[ $arch = i[3456]86 ]]; then
1321         echo "i386"
1322     else
1323         echo "$arch"
1324     fi
1325
1326 }
1327
1328 build_kernel_with_srpm() {
1329     local outfd=$1
1330
1331     if [ -z "$outfd" ] || [ $outfd = 1 ]; then
1332         fatal 1 "You must supply a file descriptor to ${FUNCNAME[0]} and it cannot be 1"
1333     fi
1334
1335     # need to generate the patch for this target
1336     do_patch_linux false >&${outfd}    # sets global $FULL_PATCH (yeah, yuck)
1337
1338     # get an md5sum of the kernel patch + config for reuse check
1339     # XXX really, there needs to be a signature and a CONFIG_FILE per arch
1340     #     in BUILD_ARCHS
1341     local release_str
1342     if $RELEASE; then
1343         local release_str="RELEASE=$RELEASE\n"
1344     fi
1345
1346     if $USE_BUILD_CACHE && [ -n "$REUSEBUILD" ]; then
1347         local REUSE_SIGNATURE=$({ echo -en $release_str;
1348                                   echo $BUILD_GEN;
1349                                   cat "$CONFIG_FILE";
1350                                   cat "$TARGET_FILE" |
1351                                   sed -e '/_VERSION=/s/_[0-9]*_g.*$//g';
1352                                   cat "$FULL_PATCH";
1353                                   cat "$LBUILD_DIR/lbuild";
1354                                   cat "$LBUILD_DIR/lbuild-$DISTROMAJ"; } |
1355                                 md5sum | cut -d" " -f1)
1356         # see if we can link to the reuse pool
1357         # XXX - hrm.  i'm not convinced this doesn't belong in the reuse
1358         #       "library"
1359         local CAN_LINK_FOR_REUSE=false
1360         touch $REUSEBUILD/$$
1361         if cp -al $REUSEBUILD/$$ $TOPDIR/ 2>/dev/null; then
1362             CAN_LINK_FOR_REUSE=true
1363         fi
1364         rm $REUSEBUILD/$$
1365     fi
1366
1367     # the extra version string to use for the kernel (which might be a reused
1368     # kernel, remember)
1369     local kernel_extra_version=""
1370     if ! $USE_BUILD_CACHE || ! reuse kernel "$TOPDIR" "$CAN_LINK_FOR_REUSE" \
1371                                    "$REUSE_SIGNATURE"; then
1372         # nothing cached, build from scratch
1373         echo "Downloading kernel SRPM" >&${outfd}
1374         download_srpm "$CANONICAL_TARGET" "$KERNEL_SRPM" >&${outfd}
1375
1376         if ! rpm -ivh $KERNELDIR/$KERNEL_SRPM \
1377                   --define "_topdir $TOPDIR" >&${outfd} 2>&1; then
1378             # should we clean this up or leave it for analysis?
1379             #rm -rf $RPMTOPDIR
1380             fatal 1 "Error installing kernel SRPM."
1381         fi
1382
1383         # put the Lustre kernel patch into the RPM build tree
1384         cp $FULL_PATCH $TOPDIR/SOURCES/linux-${lnxmaj}-lustre.patch
1385         prepare_and_build_srpm >&${outfd} ||
1386             fatal 1 "failed to prepare_and_build_srpm"
1387
1388         if [ -z "$REUSE_SIGNATURE" ]; then
1389             echo "No reuse signature was caculated so not storing the built kernel" >&${outfd}
1390         else
1391             # store the resulting kernel RPM build tree for future use
1392             echo "Storing the built kernel for future reuse" >&${outfd}
1393             if ! store_for_reuse "$TOPDIR/{SPECS,SOURCES,SRPMS,RPMS}" \
1394                                  "kernel" "$REUSEBUILD" "$REUSE_SIGNATURE" \
1395                                  "$CAN_LINK_FOR_REUSE"; then
1396                 error "Failed to store kernel RPMS for reuse"
1397                 echo "unknown" >&${outfd}
1398                 return 1
1399             fi
1400         fi
1401     fi  # build reuse
1402
1403     # figure out the EXTRA_VERSION of the kernel we built or are re-using
1404     local KERNEL_RPM
1405     if ! KERNEL_RPM=$(find_rpm "$TOPDIR/RPMS/$TARGET_ARCH/" provides "^kernel(-default)? ="); then
1406         fatal 1 "Failed to find a kernel RPM in $TOPDIR/RPMS/$TARGET_ARCH/"
1407     fi
1408     kernel_extra_version=$(rpm -q --queryformat "%{RELEASE}" -p $TOPDIR/RPMS/$TARGET_ARCH/$KERNEL_RPM)
1409
1410     # should now have the following RPMs
1411     # $TOPDIR/RPMS/$arch/kernel-lustre-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1412     # $TOPDIR/RPMS/$arch/kernel-lustre-devel-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1413     # $TOPDIR/RPMS/$arch/kernel-lustre-headers-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1414     # $TOPDIR/RPMS/$arch/kernel-lustre-debuginfo-common-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1415     # $TOPDIR/RPMS/$arch/kernel-lustre-debuginfo-2.6.18-53.1.21.el5_lustre.1.6.5.1.$arch.rpm
1416
1417     echo $kernel_extra_version
1418     return 0
1419
1420 }
1421
1422 # build OFED
1423 # globals used:
1424 #    TOPDIR
1425 #    REUSEBUILD, USE_BUILD_CACHE
1426 #    CONFIGURE_FLAGS
1427
1428 build_ofed() {
1429     local linux="$1"
1430     local ofed_version="$2"
1431     local kib_prefix
1432     local kib_rpm
1433
1434     # if an ofed version is given, then it means use OFED proper,
1435     # not any vendor specific "inkernel" version
1436     if [ -z "$ofed_version" ]; then
1437         return 0
1438     fi
1439
1440     if [ "$ofed_version" = "inkernel" ]; then
1441         # see if there is a distro specific override for this and use
1442         # that if it exists
1443         # XXX we need to better integrate a distro specific override with
1444         #     the rest of this function so that all of the reuse cache
1445         #     stuff is leveraged given that 80% of this function is reuse
1446         if type -p build_ofed-$DISTROMAJ; then
1447             local ofed_location
1448             ofed_location=$(build_ofed-$DISTROMAJ ${STDOUT})
1449             local rc=${PIPESTATUS[0]}
1450             CONFIGURE_FLAGS="--with-o2ib=${ofed_location} ${CONFIGURE_FLAGS}"
1451             return $rc
1452         else
1453             return 0
1454         fi
1455     elif compare_version $OFED_VERSION 3.0; then
1456         kib_prefix="ofa_kernel"
1457         kib_rpm="kernel-ib"
1458     else
1459         kib_prefix="compat-rdma"
1460         kib_rpm="compat-rdma"
1461     fi
1462
1463     # build kernel-ib/compat-rdma
1464     if $USE_BUILD_CACHE && [ -n "$REUSEBUILD" ]; then
1465         local REUSE_SIGNATURE=$({ echo "$ofed_version";
1466                                   echo "$(find_linux_release;
1467                                   echo "$BUILD_GEN")";
1468                                   cat "${linux}/include/linux/autoconf.h";
1469                                   cat "$LBUILD_DIR/lbuild";
1470                                   cat "$LBUILD_DIR/lbuild-$DISTROMAJ"; } |
1471                                 md5sum | cut -d" " -f1)
1472         # see if we can link to the reuse pool
1473         # XXX - hrm.  i'm not convinced this doesn't belong in the reuse
1474         #       "library"
1475         local CAN_LINK_FOR_REUSE=false
1476         touch $REUSEBUILD/$$
1477         if cp -al $REUSEBUILD/$$ $TOPDIR/; then
1478             CAN_LINK_FOR_REUSE=true
1479         fi
1480         rm $REUSEBUILD/$$
1481     fi
1482
1483     if ! $USE_BUILD_CACHE || ! reuse ofed "$TOPDIR" "$CAN_LINK_FOR_REUSE" \
1484                                    "$REUSE_SIGNATURE"; then
1485         if [ -n "$REUSE_SIGNATURE" ]; then
1486             # stash away the existing built articles for a moment
1487             mkdir bak
1488             mv {BUILD,{S,}RPMS,S{OURCE,PEC}S} bak
1489             function mv_back {
1490                 pushd bak
1491                 find . | cpio -pudlm ..
1492                 popd
1493                 rm -rf bak
1494             }
1495             create_rpmbuild_dirs
1496         fi
1497         # build it
1498         build_kernel_ib "${linux}" "${kib_prefix}" "${kib_rpm}"
1499
1500         if [ -z "$REUSE_SIGNATURE" ]; then
1501             echo "No reuse signature was caculated so not storing the built ofed"
1502         else
1503             # store the resulting RPM build tree for future use
1504             echo "Storing the built ofed for future reuse"
1505             if ! store_for_reuse "$TOPDIR/{SPECS,SOURCES,BUILD,SRPMS,RPMS}" \
1506                                  "ofed" "$REUSEBUILD" "$REUSE_SIGNATURE" \
1507                                  "$CAN_LINK_FOR_REUSE"; then
1508                 error "Failed to store OFED RPMS for reuse"
1509                 mv_back
1510                 return 1
1511             fi
1512             # put the stuff we stashed away back
1513             mv_back
1514         fi
1515     fi
1516
1517     pushd "$TOPDIR" >/dev/null
1518     rm -rf ${kib_rpm}-devel
1519     mkdir ${kib_rpm}-devel
1520     cd ${kib_rpm}-devel
1521     # the actual ofed RPMs don't have the -rc$n or -$date string appened that
1522     # might be present on the file
1523     #local linuxrelease=$(find_linux_release)
1524     #ofed_version=$(echo $ofed_version |
1525     #               sed -re 's/-(20[0-9]{6,6}-[0-9]{4,4}|rc[0-9]*)$//')
1526     # FIXME
1527     # OFED version will have 'hyphen' for minor release. (e.g. 3.5-1, instead
1528     # of 3.5.1) compat-rdma and compat-rdma-devel could have same version
1529     # number, but currectly not. Once OFED fix this in the future release, we
1530     # can remove following filter.
1531     #ofed_version=$(echo $ofed_version |
1532     #               sed -re 's/-([0-9]*-[rR][cC][0-9]*)$//')
1533     #local rpm=$(ls $TOPDIR/RPMS/*/${kib_rpm}-devel-${ofed_version}-${linuxrelease//-/_}.*.rpm)
1534     # I dont' know why we have gone through the trouble to filter out the name
1535     # of the rpm there should only be one ${kib_rpm}-devel built
1536     local rpm=$(ls $TOPDIR/RPMS/*/${kib_rpm}-devel-*.rpm)
1537     if ! rpm2cpio < $rpm | cpio -id; then
1538         fatal 1 "could not unpack the ${kib_rpm}-devel rpm."
1539     fi
1540     CONFIGURE_FLAGS="--with-o2ib=$(pwd)/usr/src/${kib_prefix} ${CONFIGURE_FLAGS}"
1541     popd >/dev/null
1542
1543 }
1544
1545 build_with_srpm() {
1546
1547     if ! $PATCHLESS; then
1548         local kernel_extra_version
1549         if ! kernel_extra_version=$(build_kernel_with_srpm ${STDOUT}); then
1550             fatal 1 "Failed to build the kernel from it's SRPM"
1551         fi
1552
1553         for arch in $BUILD_ARCHS; do
1554             local kernel_devel_rpm
1555             if ! kernel_devel_rpm=$(find_rpm "$TOPDIR/RPMS/$arch/" provides "^$(devel_kernel_name $KERNEL_LUSTRE_NAMING) ="); then
1556                 fatal 1 "Failed to find a kernel development RPM in $TOPDIR/RPMS/$arch/"
1557             fi
1558
1559             # install the -devel RPM in preparation for modules builds
1560             if ! lnxrel="$kernel_extra_version" unpack_linux_devel_rpm \
1561                            "$TOPDIR/RPMS/$arch/$kernel_devel_rpm"; then
1562                 fatal 1 "Could not find the Linux tree in $TOPDIR/RPMS/$arch/$kernel_devel_rpm"
1563             fi
1564         done
1565     else
1566         # need to find and unpack the vendor's own kernel-devel for patchless
1567         # client build
1568         local kernelrpm
1569         if ! kernelrpm=$(find_linux_rpm "-$DEVEL_KERNEL_TYPE"); then
1570             fatal 1 "Could not find the kernel-$DEVEL_KERNEL_TYPE RPM in $KERNELRPMSBASE/$lnxmaj/$DISTROMAJ"
1571         fi
1572         if ! lnxrel="$lnxrel" unpack_linux_devel_rpm "$kernelrpm" "-"; then
1573             fatal 1 "Could not find the Linux tree in $kernelrpm"
1574         fi
1575     fi
1576
1577     # ~sigh~  have to make copies of and modify some of the rpm
1578     # infrastructure files so that find-requires can find our unpacked
1579     # kernel-devel artifacts
1580     cp $RPM_HELPERS_DIR/{symset-table,find-requires{,.ksyms}} .
1581     export FIND_REQUIRES="$(pwd)/find-requires"
1582     chmod 755 {symset-table,find-requires{,.ksyms}}
1583     local tmp="$(pwd)"
1584     tmp="${tmp//\//\\/}"
1585     ed find-requires <<EOF
1586 1a
1587 set -x
1588 .
1589 /|.*find-requires.ksyms/s/|/| bash -x/
1590 g/ [^ ]*\/\(find-requires\.ksyms\)/s// $tmp\/\1/g
1591 wq
1592 EOF
1593     ed find-requires.ksyms <<EOF
1594 1a
1595 set -x
1596 .
1597 g/\/.*\/\(symset-table\)/s//$tmp\/\1/g
1598 g/\(\/usr\/src\/kernels\/\)/s//$tmp\/reused\1/g
1599 wq
1600 EOF
1601     ed symset-table <<EOF
1602 1a
1603 set -x
1604 .
1605 g/\(\/boot\/\)/s//$tmp\/reused\1/g
1606 g/\(\/usr\/src\/kernels\/\)/s//$tmp\/reused\1/g
1607 wq
1608 EOF
1609
1610     build_ofed "${LINUXOBJ:-$LINUX}" "$OFED_VERSION" ||
1611         fatal 1 "error building OFED"
1612
1613     # now build Lustre
1614     if build_lustre "$LINUX" "$LINUXOBJ"; then
1615         # the build worked.  resolve any symlinked files (i.e. from reuse)
1616         # in RPMS/$arch to real files so that that that huge mess of
1617         # complication known as LTS can copy them yet somewhere else.
1618         # is it any wonder this whole process is so damn so?  anyone ever
1619         # heard of hardlinks?  it's this cool new thing that allows you save
1620         # tons of time and space by creating... well you can go read about
1621         # them if you have not heard about them yet.
1622         # can i say how much the implemenation of all of this really impedes
1623         # RPM reuse?
1624         local dir
1625         for dir in RPMS/*; do
1626             pushd $dir
1627             for file in $(ls); do
1628                 if [ -h $file ]; then
1629                     cp $file foo
1630                     mv foo $file
1631                 fi
1632             done
1633             popd
1634         done
1635         # also, for i?86, make sure all of the RPMs are in RPMS/$TARGET_ARCH
1636         # as that's where LTS expects to find them
1637         for dir in RPMS/*; do
1638             if [ $dir = RPMS/$TARGET_ARCH ]; then
1639                 continue
1640             fi
1641             pushd $dir
1642             local files=$(ls)
1643             if [ -n "$files" ]; then
1644                 cp -al $files ../$TARGET_ARCH
1645             fi
1646             popd
1647         done
1648     else
1649         return 1
1650     fi
1651
1652 }
1653
1654 create_rpmbuild_dirs() {
1655
1656     [ -d RPMS ] || mkdir RPMS
1657     for arch in $BUILD_ARCHS; do
1658         if [[ $arch = i?86 ]]; then
1659             # some stupidity in the sles11 kernel spec requires an RPMS/i386
1660             # even if the target arch is i686
1661             [ -d RPMS/i386 ] || mkdir RPMS/i386
1662         fi
1663         [ -d RPMS/$arch ] || mkdir RPMS/$arch
1664     done
1665     [ -d RPMS/noarch ] || mkdir RPMS/noarch
1666     [ -d BUILD ] || mkdir BUILD
1667     [ -d SOURCES ] || mkdir SOURCES
1668     [ -d SPECS ] || mkdir SPECS
1669     [ -d SRPMS ] || mkdir SRPMS
1670
1671 }
1672
1673 new_list() {
1674
1675     echo ""
1676
1677 }
1678
1679 add_list() {
1680     local list="$1"
1681     local item="$2"
1682
1683     echo "$list $item"
1684
1685 }
1686
1687 is_list_member() {
1688     local list="$1"
1689     local item="$2"
1690
1691     [[ $list\  == *\ $item\ * ]]
1692
1693 }
1694
1695 #########################################################################
1696 # Generate a backtrace through the call stack.
1697 #
1698 # Input: None
1699 # Output: None
1700 #########################################################################
1701 backtrace() {
1702     local strip=${1:-1}
1703
1704     local funcname="" sourcefile="" lineno="" n
1705
1706     echo "Call stack: (most recent first)"
1707     for (( n = $strip ; n < ${#FUNCNAME[@]} ; ++n )) ; do
1708         funcname=${FUNCNAME[$n - 1]}
1709         sourcefile=$(basename ${BASH_SOURCE[$n]})
1710         lineno=${BASH_LINENO[$n - 1]}
1711         if [ $n = 1 ]; then
1712             let lineno-=11
1713         fi
1714         # Display function arguments
1715         if [[ ! -z "${BASH_ARGV[@]}" ]]; then
1716             local args newarg j p=0
1717             for (( j = ${BASH_ARGC[$n - 1]}; j > 0; j-- )); do
1718                 newarg=${BASH_ARGV[$j + $p - 1]}
1719                 args="${args:+${args} }'${newarg}'"
1720             done
1721             let p+=${BASH_ARGC[$n - 1]}
1722         fi
1723         echo "  ${funcname} ${args:+${args} }at ${sourcefile}:${lineno}"
1724     done
1725
1726     echo
1727     echo "BEGIN BACKTRACE"
1728
1729     #echo ${BASH_LINENO[*]}
1730     #echo ${BASH_SOURCE[*]}
1731     #echo ${FUNCNAME[*]}
1732     local i=$((${#FUNCNAME[@]} - 1))
1733     while [ $i -ge 0 ]; do
1734         local lineno=${BASH_LINENO[$i]}
1735         if [ $i = 0 ]; then
1736             let lineno-=11
1737         fi
1738         local SOURCELINE="${BASH_SOURCE[$i + 1]}:${lineno}"
1739         # Can't figure out how to get function args from other frames...
1740         local FUNCTION="${FUNCNAME[$i]}()"
1741         echo "$SOURCELINE:$FUNCTION"
1742         i=$((i - 1))
1743     done
1744
1745     echo "END BACKTRACE"
1746
1747     echo $BACKTRACE
1748
1749 }
1750
1751 seen_list=$(new_list)
1752 trap 'set +x;
1753 echo "An unexpected error has occurred at ${BASH_SOURCE[0]##*/}:$((LINENO-1)).
1754 Unfortunately the above line number in the message may or may not be correct,
1755 but details have been send to the lbuild maintainer.  Attempting to continue."; (echo "Untrapped error"
1756 echo
1757 # have we seen this one
1758 echo "checking seen list for ${BASH_SOURCE[0]}:${BASH_LINENO[0]}"
1759
1760 if is_list_member "$seen_list" "${BASH_SOURCE[0]}:${BASH_LINENO[0]}"; then
1761   echo "seen this one already"
1762 else
1763   seen_list=$(add_list "$seen_list" "${BASH_SOURCE[0]}:${BASH_LINENO[0]}")
1764 fi
1765 backtrace
1766 ) ; set $xtrace' ERR
1767 set -E
1768
1769 [ -r ~/.lbuildrc ] && . ~/.lbuildrc
1770
1771 options=$(getopt -o D:h -l kerneltree:,distro:,kernelrpm:,reusebuild:,patchless,ccache,norpm,external-patches:,timestamp:,extraversion:,kerneldir:,linux:,lustre:,nodownload,nosrc,noiokit,ofed-version:,publish,disable-zfs,release,set-value:,src,stage:,target:,target-archs:,with-linux:,xen -- "$@")
1772
1773 if [ $? != 0 ]; then
1774     usage 1
1775 fi
1776
1777 eval set -- "$options"
1778
1779 while [ "$1" ]; do
1780     case "$1" in
1781         '')
1782             usage 1
1783             ;;
1784         --ccache)
1785             CCACHE='ccache'
1786             shift
1787             ;;
1788         -D)
1789             DATE=$2
1790             shift 2
1791             ;;
1792         --external-patches)
1793             EXTERNAL_PATCHES=$2
1794             shift 2
1795             ;;
1796         --extraversion)
1797             EXTRA_VERSION=$2
1798             shift 2
1799             ;;
1800         --help | -h)
1801             usage 0
1802             ;;
1803         --kerneldir)
1804             KERNELDIR=$2
1805             shift 2
1806             ;;
1807         --kerneltree)
1808             if ! KERNELTREE=$(canon_path "$2"); then
1809                 fatal 1 "Could not determine the canonical location of $2"
1810             fi
1811             shift 2
1812             ;;
1813         --linux | --with-linux)
1814             if ! LINUX=$(canon_path "$2"); then
1815                 fatal 1 "Could not determine the canonical location of $2"
1816             fi
1817             shift 2
1818             ;;
1819         --distro)
1820             DISTRO=$2
1821             shift 2
1822             ;;
1823         --reusebuild)
1824             if ! REUSEBUILD=$(canon_path "$2"); then
1825                 fatal 1 "Could not determine the canonical location of $2"
1826             fi
1827             shift 2
1828             ;;
1829         --norpm)
1830             shift
1831             ;;
1832         --noiokit)
1833             IOKITRPM=false
1834             shift
1835             ;;
1836         --patchless)
1837             PATCHLESS=true
1838             shift
1839             ;;
1840         --kernelrpm)
1841             if ! KERNELRPMSBASE=$(canon_path "$2"); then
1842                 fatal 1 "Could not determine the canonical location of $2"
1843             fi
1844             shift 2
1845             ;;
1846         --timestamp)
1847             TIMESTAMP=$2
1848             shift 2
1849             ;;
1850         --lustre)
1851             if ! LUSTRE=$(canon_filepath "$2"); then
1852                 fatal 1 "Could not determine the canonical location of $2"
1853             fi
1854             shift 2
1855             ;;
1856         --nodownload)
1857             DOWNLOAD=false
1858             shift 1
1859             ;;
1860         --nosrc)
1861             DO_SRC=false
1862             shift 1
1863             ;;
1864         --ofed-version)
1865             OFED_VERSION="$2"
1866             shift 2
1867             ;;
1868         --publish)
1869             shift
1870             ;;
1871         --disable-zfs)
1872             WITH_ZFS="no"
1873             shift
1874             ;;
1875         --release)
1876             RELEASE=true
1877             shift
1878             ;;
1879         --src)
1880             DO_SRC=true
1881             shift 1
1882             ;;
1883         --stage)
1884             STAGEDIR=$2
1885             shift 2
1886             ;;
1887         --target)
1888             TARGET=$2
1889             shift 2
1890             ;;
1891         --target-archs)
1892             TARGET_ARCHS=$2
1893             shift 2
1894             ;;
1895         --xen)
1896             XEN=true
1897             shift
1898             ;;
1899         --set-value)
1900             eval $2
1901             shift 2
1902             ;;
1903         --)
1904             shift
1905             # there are actually some lustre configure flags that we need to
1906             # handle ourselves (but we still give them to configure)
1907             if [[ \ $@\  == *\ --disable-tests\ * ]]; then
1908                 LUSTRE_TESTS=false
1909             fi
1910             CONFIGURE_FLAGS=$@
1911             break
1912             ;;
1913         *)
1914             usage 1 "Unrecognized option: $1"
1915             ;;
1916     esac
1917 done
1918
1919 check_options
1920
1921 unpack_lustre
1922
1923 load_target
1924
1925 if [ -n "$OFED_VERSION" -a "$OFED_VERSION" != "inkernel" ]; then
1926     download_ofed
1927     unpack_ofed || fatal 1 "Error unpacking OFED tarball"
1928 fi
1929
1930 # make sure the RPM build environment is set up
1931 create_rpmbuild_dirs
1932
1933 # if an unpacked kernel source tree was given on the command line
1934 # just build lustre with it (nothing distro kernel specific here)
1935 if [ -n "$LINUX" ]; then
1936     find_linux_release() {
1937         _find_linux_release $LINUX
1938     }
1939     build_ofed "${LINUXOBJ:-$LINUX}" "$OFED_VERSION" ||
1940         fatal 1 "error building OFED"
1941     build_lustre "$LINUX" "$LINUXOBJ"
1942 else
1943     if [ ! -f "${LBUILD_DIR}/lbuild-$DISTROMAJ" ]; then
1944         fatal 1 "${LBUILD_DIR}/lbuild-$DISTROMAJ not found"
1945     fi
1946     source ${LBUILD_DIR}/lbuild-$DISTROMAJ
1947     build_with_srpm || fatal 1 "Failed to build_with_srpm"
1948 fi
1949
1950 stage