build_test.fns

   1 #!/bin/sh -*- mode: shell-script; -*-
   2
   3 # build_farm -- distributed build/test architecture for samba, rsync, etc
   4
   5 # Copyright (C) 2001 by Andrew Tridgell <tridge@samba.org>
   6 # Copyright (C) 2001 by Andrew Bartlett <abartlet@samba.org>
   7 # Copyright (C) 2001, 2003 by Martin Pool <mbp@samba.org>
   8
   9 # default maximum runtime for any command
  10 MAXTIME=25200 # 7 hours
  11 SMBD_MAXTIME=18000 # 5 hours for a samba process ..
  12 # default maximum memory size (100M) for any command
  13 MAXMEM=100000
  14 RUN_FROM_BUILD_FARM=yes
  15 export RUN_FROM_BUILD_FARM
  16 export MAXTIME SMBD_MAXTIME
  17
  18 deptrees="";
  19
  20 build_test_fns_id='$Id$'
  21
  22 copy_dir() {
  23         Tsrc=$1
  24         Tdst=$2
  25         pwd
  26         echo rsync -a --delete $Tsrc/ $Tdst
  27         rsync -a --delete $Tsrc/ $Tdst || return 1
  28         return 0
  29 }
  30
  31 #############################
  32 # build a signature of a tree, used to see if we
  33 # need to rebuild
  34 #############################
  35
  36 sum_tree() {
  37         sum_tree_test_root=$1
  38         sum_tree_tree=$2
  39         sum_tree_sum=$3
  40         sum_tree_scm=$4
  41         find $sum_tree_test_root/$sum_tree_tree -type f -print | grep -v version.h | sort | xargs sum > $sum_tree_sum
  42         sum build_test build_test.fns >> $sum_tree_sum
  43
  44         if [ -f "$host.fns" ]; then
  45                 sum $host.fns >> $sum_tree_sum
  46         else
  47                 sum generic.fns >> $sum_tree_sum
  48         fi
  49
  50         if [ -f "$test_root/$tree.$scm" ]; then
  51                 sum "$test_root/$tree.$scm" >> $sum_tree_sum
  52         fi
  53
  54         for d in $deptrees; do
  55                 dscm=`choose_scm "$d"`
  56                 if [ -f "$test_root/$d.$dscm" ]; then
  57                 sum "$test_root/$d.$dscm" >> $sum_tree_sum
  58                 fi
  59         done
  60 }
  61
  62 #############################
  63 # send the logs to the master site
  64 #############################
  65
  66 send_logs() {
  67         if [ "$nologreturn" = "yes" ]; then
  68                 echo "skipping log transfer"
  69         else
  70                 log="$1"
  71                 err="$2"
  72                 shift
  73                 shift
  74                 chmod 0644 "$log" "$err"
  75
  76                 # xargs -i is implemented differently or not at all.
  77                 # GNU xargs did not implement "-I" until 4.2.9:
  78                 xargs --version 2>&1 | grep "^GNU xargs" > /dev/null
  79                 status=$?
  80                 if [ x"$status" = x"0" ]; then
  81                         XARGS_IS_GNU=yes
  82                 fi
  83
  84                 if [ x"$XARGS_IS_GNU" = x"yes" ]; then
  85                         XARGS_I="xargs -i"
  86                 else
  87                         XARGS_I="xargs -I '{}'"
  88                 fi
  89
  90                 find $log -size +40000 | $XARGS_I sh -c 'dd if={} bs=1024 count=20000 of={}.tmp && mv {}.tmp {} &&  echo "\n***LOG TRUNCATED***" >> {}'
  91                 find $err -size +40000 | $XARGS_I sh -c 'dd if={} bs=1024 count=20000 of={}.tmp && mv {}.tmp {} &&  echo "\n***LOG TRUNCATED***" >> {}'
  92
  93                 rsync $* -c -q --password-file=.password -z --timeout=200 \
  94                         "$log" "$err" $host@build.samba.org::build_farm_data/
  95         fi
  96 }
  97
  98 #############################
  99 # send the logs when they haven't changed
 100 # the aim is to just update the servers timestamp.
 101 # sending with a very large rsync block size does this
 102 # with minimal network traffic
 103 #############################
 104
 105 send_logs_skip() {
 106         touch "$1" "$2"
 107         send_logs "$1" "$2" -B 10000000
 108 }
 109
 110 ############################
 111 # fetch the latest copy of the tree
 112 ############################
 113
 114 fetch_tree() {
 115         if [ "$norsync" = "yes" ]; then
 116                 echo "skipping tree transfer"
 117         else
 118                 fetchtree=$1
 119                 if rsync --exclude=autom4te.cache/ --exclude=.svn/ --exclude=.git/ \
 120                         --delete-excluded -q --partial --timeout=200 -ctrlpz --delete --ignore-errors \
 121                         samba.org::ftp/unpacked/$fetchtree/ $test_root/$fetchtree; then
 122                         echo "transferred $fetchtree OK"
 123                 else
 124                         echo "transfer of $fetchtree failed code $?"
 125                         return 1
 126                 fi
 127         fi
 128         return 0
 129 }
 130
 131 ############################
 132 # fetch the latest copy of the rev meta info
 133 ############################
 134
 135 fetch_revinfo() {
 136         tree=$1
 137         scm=$2
 138
 139         test -z "$scm" && return 1
 140         test x"$scm" = x"unknown" && return 1
 141         test x"$scm" = x"cvs" && return 1
 142
 143         if [ "$norsync" = "yes" ]; then
 144                 echo "skipping .revinfo.$scm transfer"
 145         else
 146                 if [ -r $test_root/$tree.$scm ]; then
 147                         [ -f $test_root/$tree.$scm.old ] && rm -f $test_root/$tree.$scm.old
 148                         [ -f $test_root/$tree.$scm ] && mv $test_root/$tree.$scm $test_root/$tree.$scm.old
 149                 fi
 150                 rsync -q --timeout=200 -clz --ignore-errors \
 151                         samba.org::ftp/unpacked/$tree/.revinfo.$scm $test_root/$tree.$scm
 152         fi
 153         if [ -r $test_root/$tree.$scm ]; then
 154                 return 0;
 155         fi
 156         return 1
 157 }
 158
 159 ############################
 160 # choose the scm that is used for the given project
 161 ############################
 162
 163 choose_scm() {
 164         tree=$1
 165
 166         case "$tree" in
 167                         samba* | rsync | libreplace | talloc | tdb | ldb | pidl | ccache* | waf*)
 168                         echo "git"
 169                                 return 0
 170                         ;;
 171         esac
 172
 173         echo "svn"
 174         return 0
 175 }
 176
 177 locknesting=0
 178
 179 ############################
 180 # grab a lock file. Not atomic, but close :)
 181 # tries to cope with NFS
 182 ############################
 183
 184 lock_file() {
 185                 if [ -z "$lock_root" ]; then
 186                         lock_root=`pwd`;
 187                 fi
 188
 189                 lckf="$lock_root/$1"
 190                 machine=`cat "$lckf" 2> /dev/null | cut -d: -f1`
 191                 pid=`cat "$lckf" 2> /dev/null | cut -d: -f2`
 192
 193                 if [ "$pid" = "$$" ]; then
 194                         locknesting=`expr $locknesting + 1`
 195                         echo "lock nesting now $locknesting"
 196                         return 0
 197                 fi
 198
 199                 if test -f "$lckf"; then
 200                         test x$machine = x$host || {
 201                                 echo "lock file $lckf is valid for other machine $machine"
 202                                 return 1
 203                         }
 204
 205                         kill -0 $pid && {
 206                                 echo "lock file $lckf is valid for process $pid"
 207                                 return 1
 208                         }
 209
 210                         echo "stale lock file $lckf for $machine:$pid"
 211                         cat "$lckf"
 212                         /bin/rm -f "$lckf"
 213                 fi
 214                 echo "$host:$$" > "$lckf"
 215                 return 0
 216 }
 217
 218 ############################
 219 # unlock a lock file
 220 ############################
 221
 222 unlock_file() {
 223         if [ -z "$lock_root" ]; then
 224                 lock_root=`pwd`;
 225         fi
 226         if [ "$locknesting" != "0" ]; then
 227                 locknesting=`expr $locknesting - 1`
 228                 echo "lock nesting now $locknesting"
 229         else
 230                 lckf="$lock_root/$1"
 231                 /bin/rm -f "$lckf"
 232         fi
 233 }
 234
 235 ############################
 236 # run make, and print trace
 237 ############################
 238
 239 do_make() {
 240         # work out correct make command
 241         case "$tree" in
 242             waf*)
 243                 MAKECOMMAND="./waf"
 244                 ;;
 245             *)
 246                 MAKECOMMAND="$MAKE"
 247                 if [ x"$MAKECOMMAND" = x ]; then
 248                     MAKECOMMAND=make
 249                 fi
 250                 ;;
 251         esac
 252
 253         MMTIME=$MAXTIME
 254         # some trees don't need as much time
 255         case "$tree" in
 256                 rsync | tdb | talloc | libreplace | ccache* | waf*)
 257                         if [ "$compiler" != "checker" ]; then
 258                                 MMTIME=`expr $MMTIME / 5`
 259                         fi
 260                 ;;
 261         esac
 262
 263         # special build for some trees
 264         case "$tree" in
 265             waf*)
 266                 ./waf distclean && ./waf configure build
 267                 ;;
 268         esac
 269
 270
 271         for t in $*; do
 272                 if [ x"$BUILD_FARM_NUM_JOBS" = x ]; then
 273                         echo "$MAKECOMMAND $t"
 274                         $builddir/timelimit $MMTIME "$MAKECOMMAND" "$t"
 275                         status=$?
 276                 else
 277                         # we can parallelize everything and all targets
 278                         if [ x"$t" = xeverything ] || [ x"$t" = xall]; then
 279                                 echo "$MAKECOMMAND" "-j$BUILD_FARM_NUM_JOBS"  "$t"
 280                                 $builddir/timelimit $MMTIME "$MAKECOMMAND" "-j$BUILD_FARM_NUM_JOBS"  "$t"
 281                                 status=$?
 282                         else
 283                                 echo "$MAKECOMMAND $t"
 284                                 $builddir/timelimit $MMTIME "$MAKECOMMAND" "$t"
 285                                 status=$?
 286                         fi
 287                 fi
 288
 289                 if [ $status != 0 ]; then
 290                         case "$t" in
 291                                 test|check|installcheck)
 292                                         ;;
 293                                 *)
 294                                         #run again with V=1, so we see failed commands
 295                                         $builddir/timelimit $MMTIME "$MAKECOMMAND" "$t" V=1
 296                                         status=$?
 297                                         ;;
 298                         esac
 299                 fi
 300
 301                 if [ $status != 0 ]; then
 302                         return $status;
 303                 fi
 304
 305         done
 306
 307         return 0
 308 }
 309
 310
 311 ############################
 312 # do the coverage report
 313 ############################
 314
 315 action_lcovreport() {
 316         if [ "$LCOV_REPORT" = "yes" ]; then
 317                 case "$tree" in
 318                 lorikeet-heimdal*)
 319                         lcov --directory $builddir --capture --output-file $builddir/$tree.lcov.info
 320                         ;;
 321                 samba_3_master*)
 322                         lcov --base-directory $builddir --directory $builddir/.. --capture --output-file $builddir/$tree.lcov.info
 323                         ;;
 324                 samba_4*)
 325                         # rm -f heimdal/lib/*/{lex,parse,sel-lex}.{gcda,gcno}
 326                         lcov --base-directory $builddir --directory $builddir/.. --capture --output-file $builddir/$tree.lcov.info
 327                         ;;
 328                 *)
 329                         lcov --base-directory $builddir --directory $builddir --capture --output-file $builddir/$tree.lcov.info
 330                         ;;
 331                 esac
 332                 genhtml -o $builddir/coverage $builddir/$tree.lcov.info
 333                 rc=$?
 334                 echo "return code: $rc"
 335         else
 336                 echo "LCOV_REPORT not set and lcovreport asked"
 337                 echo "Most probably an error please fix !"
 338                 return 1
 339         fi
 340 }
 341
 342
 343 ############################
 344 # configure the tree
 345 ############################
 346
 347 action_configure() {
 348         # special handling for some trees
 349         case "$tree" in
 350             waf*)
 351                 $builddir/timelimit $MAXTIME ./waf configure
 352                 cstatus=$?
 353                 echo "CONFIGURE STATUS: $cstatus"
 354                 return $cstatus
 355                 ;;
 356         esac
 357
 358         if [ ! -x $srcdir/configure -a -r $srcdir/Makefile.PL ]; then
 359                 perl $srcdir/Makefile.PL PREFIX="$prefix"
 360                 cstatus=$?
 361                 echo "CONFIGURE STATUS: $cstatus"
 362                 return $cstatus;
 363         fi
 364
 365         if [ ! -x $srcdir/configure ]; then
 366                 ls -l $srcdir/configure
 367                 echo "$srcdir/configure is missing"
 368                 cstatus=255
 369                 echo "CONFIGURE STATUS: $cstatus"
 370                 return $cstatus;
 371         fi
 372
 373         echo "CFLAGS=$CFLAGS"
 374         echo configure options: $config_and_prefix
 375         echo CC="$CCACHE $compiler" $srcdir/configure $config_and_prefix
 376
 377         CC="$CCACHE $compiler"
 378         export CC
 379         $builddir/timelimit $MAXTIME $srcdir/configure $config_and_prefix
 380         cstatus=$?
 381
 382         if [ x"$cstatus" != x"0" ]; then
 383                 if [ -f config.log ]; then
 384                         echo "contents of config.log:"
 385                         cat config.log
 386                 fi
 387
 388                 # Waf style
 389                 if [ -f bin/config.log ]; then
 390                         echo "contents of config.log:"
 391                         cat bin/config.log
 392                 fi
 393         fi
 394         echo "CONFIGURE STATUS: $cstatus"
 395         return $cstatus
 396 }
 397
 398 ############################
 399 # show the configure log
 400 ############################
 401
 402 action_config_log() {
 403
 404         log_files="config.log bin/config.log"
 405         for f in $log_files; do
 406                 if [ -f $f ]; then
 407                         echo "contents of config.log:"
 408                         cat $f
 409                         return 0
 410                 fi
 411         done
 412         return 0
 413 }
 414
 415 ############################
 416 # show the config.h
 417 ############################
 418
 419 action_config_header() {
 420         hdr_files="config.h include/config.h include/autoconf/config.h bin/default/config.h bin/default/include/config.h bin/default/source3/include/config.h"
 421         for h in $hdr_files; do
 422                 if [ -f $h ]; then
 423                         echo "contents of $h:"
 424                         cat $h
 425                         return 0
 426                 fi
 427         done
 428
 429         return 0
 430 }
 431
 432
 433
 434 ############################
 435 # build the tree
 436 ############################
 437 action_build() {
 438         case "$tree" in
 439         samba_4*)
 440                 do_make everything
 441                 bstatus=$?
 442                 ;;
 443         samba_3*)
 444                 do_make everything torture
 445                 bstatus=$?
 446                 ;;
 447         waf*)
 448                 do_make build
 449                 bstatus=$?
 450                 ;;
 451         *)
 452                 do_make all
 453                 bstatus=$?
 454                 ;;
 455         esac
 456
 457         echo "BUILD STATUS: $bstatus"
 458
 459         return $bstatus
 460 }
 461
 462 ############################
 463 # show static analysis results
 464 ############################
 465
 466 action_cc_checker() {
 467
 468         # default to passing the cc_checker
 469         cccstatus=0
 470
 471         if [ -f ibm_checker.out ]; then
 472                 cat ibm_checker.out
 473                 cccstatus=`cat ibm_checker.out | grep '^\-\- ' | wc -l`
 474         fi
 475
 476         echo "CC_CHECKER STATUS: $cccstatus"
 477         return $cccstatus;
 478 }
 479
 480 ############################
 481 # install the tree
 482 ############################
 483
 484 action_install() {
 485         if [ -d $prefix ]; then
 486                 if [ "$noclean" != "yes" ]; then
 487                         rm -rf $prefix
 488                 fi
 489         fi
 490
 491         do_make install
 492         istatus=$?
 493         echo "INSTALL STATUS: $istatus"
 494         return $istatus;
 495 }
 496
 497 ############################
 498 # test the tree
 499 action_test_samba() {
 500         do_make test
 501         totalstatus=$?
 502
 503         # if we produced a test summary then show it
 504         [ -f st/summary ] && {
 505                 echo "TEST SUMMARY"
 506                 cat st/summary
 507         }
 508
 509         return "$totalstatus"
 510 }
 511
 512 action_test_generic() {
 513         CC="$compiler"
 514         export CC
 515         do_make installcheck
 516         totalstatus=$?
 517         echo "TEST STATUS: $totalstatus"
 518         return "$totalstatus"
 519 }
 520
 521 action_test_lorikeet_heimdal() {
 522         CC="$compiler"
 523         export CC
 524         SOCKET_WRAPPER_DIR=`pwd`/sw
 525         mkdir $SOCKET_WRAPPER_DIR
 526         export SOCKET_WRAPPER_DIR
 527         do_make check
 528         totalstatus=$?
 529         SOCKET_WRAPPER_DIR=
 530         export SOCKET_WRAPPER_DIR
 531         echo "TEST STATUS: $totalstatus"
 532         return "$totalstatus"
 533 }
 534
 535
 536 #############################
 537 # attempt some basic tests of functionaility
 538 # starting as basic as possible, and getting incresingly complex
 539 #############################
 540
 541 action_test() {
 542         # Samba needs crufty code of its own for backward
 543         # compatiblity.  I think a better way to do this in the future
 544         # is to just call 'make installcheck'.
 545         case "$tree" in
 546         samba*|smb-build|pidl)
 547                 action_test_samba
 548                 ;;
 549         lorikeet-heimdal*)
 550                 action_test_lorikeet_heimdal
 551                 ;;
 552         *)
 553                 action_test_generic
 554                 ;;
 555         esac
 556 }
 557
 558 ###########################
 559 # do a test build of a particular tree
 560 # This is the master function called by generic.fns or
 561 # host.fns
 562 ###########################
 563
 564 test_tree() {
 565         tree=$1
 566         source=$2
 567         compiler="$3"
 568         shift
 569         shift
 570         shift
 571         echo "Starting to deal with tree $tree with compiler $compiler"
 572         if [ "$compiler" = "gcc" ] && [ "$tree" != "ccache" ] && [ "$tree" != "ccache-maint" ] && ccache -V > /dev/null 2>/dev/null; then
 573                 CCACHE="ccache"
 574                 export CCACHE
 575         else
 576                 CCACHE=""
 577         fi
 578
 579         # limit our resource usage
 580         ulimit -t $MAXTIME 2> /dev/null
 581
 582         # max mem size 100M
 583         ulimit -m $MAXMEM 2> /dev/null
 584
 585         # max file size 100M
 586         # darn, this affects sparse files too! disable it
 587         # ulimit -f 100000 2> /dev/null
 588
 589         # try and limit the number of open files to 250. That means we'll discover
 590         # fd leaks faster
 591         ulimit -n 250 2> /dev/null
 592
 593         # Keep stuff private
 594         umask 077
 595
 596         if [ -z "$test_root" ]; then
 597                 test_root=`pwd`
 598         fi
 599
 600         log="build.$tree.$host.$compiler.log"
 601         err="build.$tree.$host.$compiler.err"
 602         sum="build.$tree.$host.$compiler.sum"
 603         lck="build.$tree.lck"
 604                 srcdir="$test_root/$tree/$source"
 605
 606         lock_file "$lck" || {
 607                 return
 608         }
 609
 610         # work out what other trees this package depends on
 611         deptrees=""
 612         case "$tree" in
 613                 samba-gtk)
 614                 deptrees="samba_4_0_test"
 615                 ;;
 616         esac
 617
 618         scm=`choose_scm "$tree"`
 619
 620         # pull the entries, if any
 621         # Remove old .svn or .git files
 622         # Move the current .svn org .git to .svn.old or
 623         # .git.old then fetch the new from rsync
 624         if fetch_revinfo "$tree" "$scm"; then
 625                 for d in $deptrees; do
 626                         # If there is dependency substree(s) we add info
 627                         # from the dependency tree so that we
 628                         # can rebuild in case one of them has changed
 629                         dscm=`choose_scm "$d"`
 630                         if [ -f "$test_root/$d.$dscm" ]; then
 631                                 if [ "$d" != "$tree" ]; then
 632                                         cat "$test_root/$d.$dscm" >> $test_root/$tree.$scm
 633                                 fi
 634                         fi
 635                 done
 636                 [ -f $test_root/$tree.$compiler.$scm.old ] && rm -f $test_root/$tree.$compiler.$scm.old
 637                 [ -f $test_root/$tree.$compiler.$scm ] && mv $test_root/$tree.$compiler.$scm $test_root/$tree.$compiler.$scm.old
 638                 [ -f $test_root/$tree.$scm ] && cp $test_root/$tree.$scm $test_root/$tree.$compiler.$scm
 639
 640                 if [ -f $test_root/$tree.$compiler.$scm.old ] && \
 641                                 cmp $test_root/$tree.$compiler.$scm $test_root/$tree.$compiler.$scm.old > /dev/null; then
 642
 643                         echo "skip: $tree.$compiler nothing changed in $scm"
 644                         cd $test_root
 645                         send_logs_skip "$log" "$err"
 646                         unlock_file "$lck"
 647                         return
 648                 fi
 649         fi
 650
 651         # pull the tree
 652         fetch_tree "$tree" || {
 653                 cd $test_root
 654                 unlock_file "$lck"
 655                 return
 656         }
 657
 658         # check for essential files
 659         case "$tree" in
 660             pidl)
 661                 # no generated files
 662                 ;;
 663             waf*)
 664                 if [ ! -x $srcdir/waf ]; then
 665                     echo "skip: $tree.$compiler waf not present, try again next time!"
 666                     cd $test_root
 667                     unlock_file "$lck"
 668                     return
 669                 fi
 670                 ;;
 671             *)
 672                 if [ ! -x $srcdir/configure ]; then
 673                     echo "skip: $tree.$compiler configure not present, try again next time!"
 674                     cd $test_root
 675                     unlock_file "$lck"
 676                     return
 677                 fi
 678                 ;;
 679         esac
 680
 681         echo "Starting build of $tree.$compiler in process $$ at `date`"
 682
 683
 684         # Parameters for the build depending on the tree
 685         case "$tree" in
 686                 *)
 687                         builddir=$srcdir
 688                         export builddir
 689                         ;;
 690         esac
 691
 692         #Fix the user
 693         if [ ! x$USER = x"" ]; then
 694                 whoami=$USER
 695         else
 696                 if [ ! x$LOGNAME = x"" ]; then
 697                         whoami=$LOGNAME
 698                 else
 699                         whoami=build
 700                 fi
 701         fi
 702
 703         # build the timelimit utility
 704         echo "Building timelimit"
 705         mkdir -p $builddir
 706         echo $compiler $TIMELIMIT_FLAGS -o $builddir/timelimit $test_root/timelimit.c
 707         $compiler $TIMELIMIT_FLAGS -o $builddir/timelimit $test_root/timelimit.c || exit 1
 708
 709         # build the killbysubdir utility
 710         echo "Building killbysubdir"
 711         echo $compiler -o $builddir/killbysubdir $test_root/killbysubdir.c
 712         $compiler -o $builddir/killbysubdir $test_root/killbysubdir.c
 713
 714         prefix="$test_root/prefix/$tree.$compiler"
 715         mkdir -p "$prefix"
 716
 717         # This can be defined in <host>.fns files
 718         sw_config=$config
 719
 720         case "$tree" in
 721         lorikeet-heimdal)
 722                 sw_config="$config --enable-socket-wrapper"
 723                 ;;
 724         samba_4*)
 725                 sw_config="$config --enable-socket-wrapper"
 726                 sw_config="$sw_config --enable-nss-wrapper"
 727                 sw_config="$sw_config --enable-uid-wrapper"
 728                 ;;
 729         samba_3*)
 730                 sw_config="$config --enable-socket-wrapper"
 731                 sw_config="$sw_config --enable-nss-wrapper"
 732                 ;;
 733         samba-gtk)
 734                 PKG_CONFIG_PATH="$test_root/prefix/samba_4_0_test.$compiler/lib/pkgconfig"
 735                 export PKG_CONFIG_PATH
 736                 ;;
 737         *)
 738                 testsuite=testsuite
 739                 ;;
 740         esac
 741
 742         if [ "$LCOV_REPORT" = "yes" ]; then
 743                 GCOV_FLAGS="--coverage"
 744                 CFLAGS="$CFLAGS $GCOV_FLAGS"
 745                 LDFLAGS="$LDFLAGS $GCOV_FLAGS"
 746                 export CFLAGS LDFLAGS
 747         fi
 748
 749         config_and_prefix="$sw_config --prefix=$prefix"
 750
 751         # see if we need to rebuild
 752         sum_tree $test_root $tree $sum $scm
 753         echo "CFLAGS=$CFLAGS $config_and_prefix" >> $sum
 754
 755         if [ -f "$sum.old" ] && cmp "$sum" "$sum.old" > /dev/null; then
 756                 echo "skip: $tree.$compiler nothing changed"
 757                 cd $test_root
 758                 send_logs_skip "$log" "$err"
 759                 unlock_file "$lck"
 760                 echo "Ending build of $tree.$compiler in process $$ at `date`"
 761                 return
 762         fi
 763
 764         # we do need to rebuild - save the old sum
 765         [ -f $sum.old ] && /bin/rm -f $sum.old
 766         mv $sum $sum.old
 767
 768         #Action == what to do ie. configure config_log ...
 769         actions="$*"
 770
 771         if [ "$actions" = "" ]; then
 772                 actions="configure config_log config_header build install test"
 773         fi
 774
 775         # start the build
 776         (
 777         {
 778                 # we all want to be able to read the output...
 779                 LANG=C
 780                 export LANG
 781
 782                 uname -a
 783
 784                 echo ""
 785                 echo "build_test                  : $build_test_id"
 786                 echo "build_test.fns      : $build_test_fns_id"
 787                 echo "local settings file : $build_test_settings_local_file"
 788                 echo "local functions file: $build_test_fns_local_file"
 789                 echo "used .fns file      : $build_test_used_fns_file"
 790                 echo ""
 791
 792                 # we need to be able to see if a build farm machine is accumulating
 793                 # stuck processes. We do this in two ways, as we don't know what style
 794                 # of ps it will have
 795                 ps xfuw 2> /dev/null
 796                 ps -fu $USER 2> /dev/null
 797
 798                 echo "building $tree with CC=$compiler on $host at "`date`
 799                 echo "builddir=$builddir"
 800                 echo "prefix=$prefix"
 801
 802                 echo "Showing limits"
 803                 ulimit -a 2> /dev/null
 804
 805                 # the following is for non-samba builds only
 806                 if [ "$scm" = "svn" -a -r $test_root/$tree.svn ]; then
 807                         h_rev=`grep 'Revision: ' $test_root/$tree.svn | cut -d ':' -f2 | cut -d ' ' -f2 | sed 1q`
 808                         if [ -n "$h_rev" ]; then
 809                                 echo "HIGHEST SVN REVISION: $h_rev"
 810                         fi
 811                         rev=`grep 'Last Changed Rev: ' $test_root/$tree.svn | cut -d ':' -f2 | cut -d ' ' -f2 | sed 1q`
 812                         if [ -n "$rev" ]; then
 813                         echo "BUILD REVISION: $rev"
 814                         fi
 815                 elif [ "$scm" = "git" -a -r $test_root/$tree.git ]; then
 816                         csha1=`cat $test_root/$tree.git |head -3 | tail -1`
 817                         if [ -n "$csha1" ]; then
 818                                 echo "BUILD COMMIT REVISION: $csha1"
 819                         fi
 820                         cdate=`cat $test_root/$tree.git |head -4 | tail -1`
 821                         if [ -n "$cdate" ]; then
 822                                 echo "BUILD COMMIT DATE: $cdate"
 823                         fi
 824                         ctime=`cat $test_root/$tree.git |head -2 | tail -1`
 825                         if [ -n "$ctime" ]; then
 826                                 echo "BUILD COMMIT TIME: $ctime"
 827                   fi
 828                 fi
 829
 830                 if [ -x $builddir/killbysubdir ]; then
 831                         echo "$builddir/killbysubdir $builddir in `pwd`"
 832                         $builddir/killbysubdir $builddir
 833                 fi
 834
 835                 for action in $actions; do
 836
 837                         echo Running action $action
 838
 839                         date
 840
 841                         cd $builddir || exit 1
 842                         export srcdir
 843                         df .
 844                         mount
 845                         vmstat
 846
 847                         if [ "x$PREHOOKS" != "x" ]; then
 848                                 for hooks in $PREHOOKS; do
 849                                         if [ "x$hooks" = "x$action" ]; then
 850                                                 ( prehook_$action )
 851                                         fi
 852                                 done
 853                         fi
 854
 855                         ( action_$action )
 856                         action_status=$?
 857
 858                         if [ "x$POSTHOOKS" != "x" ]; then
 859                                 for hooks in $POSTHOOKS; do
 860                                         if [ "x$hooks" = "x$action" ]; then
 861                                                 ( posthook_$action )
 862                                         fi
 863                                 done
 864                         fi
 865
 866                         df .
 867
 868                         if [ $action_status != 0 ]; then
 869                                 echo "ACTION FAILED: $action";
 870                                 echo " return code $action_status $action";
 871                         else
 872                                 echo "ACTION PASSED: $action";
 873                         fi
 874
 875                         if [ $action_status != 0 ]; then
 876                                 break;
 877                         fi
 878                 done
 879
 880
 881                 if [ "$noclean" = "yes" ]; then
 882                         echo cleanup skipped!
 883                 else
 884                         echo cleaning up
 885                         do_make clean
 886                 fi
 887                 date
 888         } 3>&2 2>&1 1>&3 | tee "$err"
 889         ) > "$log" 2>&1
 890         # be aware the above channel swap may sometimes result in unordered
 891         # stdout/stderr merge
 892
 893         if [ "$LCOV_REPORT" = "yes" ]; then
 894                 chmod u=rwX,g=rX,o=rX -R $builddir/coverage
 895                 rsync -rct -q --password-file=.password -z --timeout=200 \
 896                         $builddir/coverage/ $host@build.samba.org::lcov_data/$host/$tree/
 897         fi
 898
 899         cd $test_root
 900
 901         /bin/rm -rf $prefix
 902         # send the logs to the master site
 903         send_logs "$log" "$err"
 904
 905         # cleanup
 906         echo "Ending build of $tree.$compiler in process $$ at `date`"
 907         unlock_file "$lck"
 908 }
 909
 910 #########################################################
 911 # if you want to build only one project at a time
 912 # add 'global_lock' after 'per_run_hook' and
 913 # 'global_unlock' to the end of the file
 914 #########################################################
 915
 916 global_lock() {
 917         lock_file "global.lck" || {
 918                 exit 0
 919         }
 920 }
 921
 922 global_unlock() {
 923         unlock_file "global.lck"
 924 }
 925
 926 delete_old_tree() {
 927         otree=$1
 928         test -z "$otree" && return 0;
 929
 930         rm -rf $otree
 931         rm -rf $otree.svn
 932         rm -rf $otree.*.svn
 933         rm -rf $otree.git
 934         rm -rf $otree.*.git
 935         rm -rf build.$otree.*
 936 }
 937
 938 # this is a special fn that allows us to add a "special" hook to the build
 939 # farm that we want to do to the build farm. never leave it empty. instead,
 940 # use ":" as the fn body.
 941 per_run_hook() {
 942         # kill old processes on systems with a known problem
 943         case $host in
 944         nohost)
 945                 echo "just a placeholder";
 946                 ;;
 947         deckchair)
 948                 rm -f deckchair.fns
 949                 ;;
 950         esac
 951
 952         # trim the log if too large
 953         if [ "`wc -c < build.log`" -gt 2000000 ]; then
 954         rm -f build.log
 955         fi
 956
 957         old_trees="web popt distcc samba-gtk smb-build lorikeet-heimdal samba_3_2"
 958         old_trees="$old_tree samba_3_2_test samba4 samba_4_0_waf samba_4_0_waf.metze"
 959         old_trees="$old_tree samba_3_X_test samba_3_X_devel samba_3_X_devel samba_3_waf"
 960         for d in $old_trees; do
 961                 delete_old_tree $d
 962         done
 963 }
 964
 965
 966 ######################################################
 967 # main code that is run on each call to the build code
 968 ######################################################
 969 rsync --timeout=200 -q -az build.samba.org::build_farm/*.c .
 970
 971
 972 # build.log can grow to an excessive size, trim it beyond 50M
 973 if [ -f build.log ]; then
 974         find build.log -size +100000 -exec /bin/rm '{}' \;
 975 fi