scripts/lttng-modules/param-build.sh

   1 #!/bin/bash -exu
   2 #
   3 # Copyright (C) 2016-2019 - Michael Jeanson <mjeanson@efficios.com>
   4 #
   5 # This program is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # Parameters
  19 arch=${arch:-}
  20 cross_arch=${cross_arch:-}
  21 ktag=${ktag:-}
  22 kgitrepo=${kgitrepo:-}
  23 mversion=${mversion:-}
  24 mgitrepo=${mgitrepo:-}
  25
  26
  27 ## FUNCTIONS ##
  28
  29 # Kernel version compare functions
  30 verlte() {
  31     [  "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | head -n1)" ]
  32 }
  33
  34 verlt() {
  35     [ "$1" = "$2" ] && return 1 || verlte "$1" "$2"
  36 }
  37
  38 vergte() {
  39     [  "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | tail -n1)" ]
  40 }
  41
  42 vergt() {
  43     [ "$1" = "$2" ] && return 1 || vergte "$1" "$2"
  44 }
  45
  46
  47 git_clone_modules_sources() {
  48     mkdir -p "$MODULES_GIT_DIR"
  49     git clone --depth=1 -b "${mversion}" "${mgitrepo}" "$MODULES_GIT_DIR"
  50 }
  51
  52 # Checkout a shallow kernel tree of the specified tag
  53 git_clone_linux_sources() {
  54     mkdir -p "$LINUX_GIT_DIR"
  55     git clone --depth=1 -b "${ktag}" --reference "$LINUX_GIT_REF_REPO_DIR" "${kgitrepo}" "$LINUX_GIT_DIR"
  56 }
  57
  58
  59 # Export the kernel sources from the git repo
  60 git_export_linux_sources() {
  61     cd "$LINUX_GIT_DIR"
  62     git archive "${ktag}" | tar -x -C "$LINUX_SRCOBJ_DIR"
  63 }
  64
  65
  66 # Upload the tar archive to the object store
  67 upload_archive_obj() {
  68     s3cmd -c "$WORKSPACE/.s3cfg" put "$WORKSPACE/$obj_name" "$obj_url_prefix/"
  69     rm -f "$WORKSPACE/$obj_name"
  70 }
  71
  72
  73 extract_archive_obj() {
  74     tar -xf "$WORKSPACE/$obj_name" -C "$LINUX_OBJ_DIR"
  75     rm -f "$WORKSPACE/$obj_name"
  76 }
  77
  78
  79 tar_archive_obj() {
  80     cd "$LINUX_OBJ_DIR"
  81     tar -cf "$WORKSPACE/$obj_name" -I pbzip2 .
  82     cd -
  83 }
  84
  85 # Find the most recent GCC version supported by the kernel sources
  86 select_compiler() {
  87     local selected_cc
  88
  89     cd "$LINUX_SRCOBJ_DIR"
  90
  91     kversion=$(make -s kernelversion)
  92
  93     set +e
  94
  95     for cc in gcc-5 gcc-4.8; do
  96       if "${CROSS_COMPILE:-}${cc}" -I include/ -D__LINUX_COMPILER_H -D__LINUX_COMPILER_TYPES_H -E include/linux/compiler-gcc.h; then
  97         selected_cc="$cc"
  98         break
  99       fi
 100     done
 101
 102     set -e
 103
 104     if [ "x$selected_cc" = "x" ]; then
 105       echo "Found no suitable compiler."
 106       exit 1
 107     fi
 108
 109     # Force gcc-4.8 for kernels before 3.18
 110     if { verlt "$kversion" "3.18"; }; then
 111       selected_cc=gcc-4.8
 112     fi
 113
 114     if [ "$selected_cc" != "gcc-4.8" ]; then
 115         # Older kernel Makefiles do not expect the compiler to default to PIE
 116         KAFLAGS="-fno-pie"
 117         KCFLAGS="-fno-pie -no-pie -fno-stack-protector"
 118         KCPPFLAGS="-fno-pie"
 119         export KAFLAGS KCFLAGS KCPPFLAGS
 120     fi
 121
 122     export CC="${CROSS_COMPILE:-}${selected_cc}"
 123     export HOSTCC="${selected_cc}"
 124
 125     cd -
 126 }
 127
 128
 129 build_linux_kernel() {
 130     cd "$LINUX_SRCOBJ_DIR"
 131
 132     kversion=$(make -s kernelversion)
 133
 134     # Generate kernel configuration
 135     case "$ktag" in
 136       Ubuntu*)
 137         if [ "${cross_arch}" = "powerpc" ]; then
 138           if vergte "${kversion}" "4.10"; then
 139             echo "Ubuntu removed big endian powerpc configuration from kernel >= 4.10. Don't try to build it."
 140             exit 0
 141           fi
 142         fi
 143         fakeroot debian/rules clean KW_DEFCONFIG_DIR=.
 144         fakeroot debian/rules genconfigs KW_DEFCONFIG_DIR=.
 145         cp CONFIGS/"${ubuntu_config}" .config
 146         ;;
 147
 148       *)
 149         # Force 32bit build on i386, default is 64bit
 150         if [ "$arch" = "i386" ]; then
 151             export ARCH="i386"
 152         fi
 153
 154         # allyesconfig is mostly broken for kernels of the 2.6 series
 155         if verlt "$kversion" "3.0"; then
 156             vanilla_config="defconfig"
 157         fi
 158
 159         make "${vanilla_config}"
 160         ;;
 161     esac
 162
 163     # silentoldconfig was renamed in 4.19
 164     if vergte "$kversion" "4.19"; then
 165         update_conf_target="syncconfig"
 166     else
 167         update_conf_target="silentoldconfig"
 168     fi
 169
 170     # Fix 'defined(@array)' was removed from recent perl
 171     if [ -f "kernel/timeconst.pl" ]; then
 172       sed -i 's/defined(\@\(.*\))/@\1/' kernel/timeconst.pl
 173     fi
 174
 175     # Fix syntax of inline assembly which is confused with C++11 raw strings on gcc >= 5
 176     if [ "$CC" != "gcc-4.8" ]; then
 177       if [ -f "arch/x86/kvm/svm.c" ]; then
 178         sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/svm.c
 179       fi
 180
 181       if [ -f "arch/x86/kvm/vmx.c" ]; then
 182         sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/vmx.c
 183       fi
 184     fi
 185
 186     # Fix a typo in v2.6.36.x
 187     if [ -f "arch/x86/kernel/entry_64.S" ]; then
 188       sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch/x86/kernel/entry_64.S
 189     fi
 190
 191     # Fix kernel < 3.0 with gcc >= 4.7
 192     if verlt "$kversion" "3.0"; then
 193       sed -i '/linux\/compiler.h/a #include <linux\/linkage.h> \/* For asmregparm *\/' arch/x86/include/asm/ptrace.h
 194       sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch/x86/include/asm/ptrace.h
 195       sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch/x86/include/asm/ptrace.h
 196       echo "header-y += linkage.h" >> include/linux/Kbuild
 197     fi
 198
 199     # GCC 4.8
 200     sed -i "s/CONFIG_CC_STACKPROTECTOR_STRONG=y/# CONFIG_CC_STACKPROTECTOR_STRONG is not set/g" .config
 201
 202     # Don't try to sign modules
 203     sed -i "s/CONFIG_MODULE_SIG=y/# CONFIG_MODULE_SIG is not set/g" .config
 204
 205     # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails
 206     sed -i "s/CONFIG_STACK_VALIDATION=y/# CONFIG_STACK_VALIDATION is not set/g" .config
 207
 208     # Cause problems with inline assembly on i386
 209     sed -i "s/CONFIG_DEBUG_SECTION_MISMATCH=y/# CONFIG_DEBUG_SECTION_MISMATCH is not set/g" .config
 210
 211     # Don't build samples, they are broken on some kernel releases
 212     sed -i "s/CONFIG_SAMPLES=y/# CONFIG_SAMPLES is not set/g" .config
 213     sed -i "s/CONFIG_BUILD_DOCSRC=y/# CONFIG_BUILD_DOCSRC is not set/g" .config
 214
 215     # Disable kcov
 216     sed -i "s/CONFIG_KCOV=y/# CONFIG_KCOV is not set/g" .config
 217
 218     # Broken on some RT kernels
 219     sed -i "s/CONFIG_HYPERV=y/# CONFIG_HYPERV is not set/g" .config
 220
 221     # Broken drivers
 222     sed -i "s/CONFIG_RAPIDIO_TSI721=y/# CONFIG_RAPIDIO_TSI721 is not set/g" .config
 223     sed -i "s/CONFIG_SGI_XP=y/# CONFIG_SGI_XP is not set/g" .config
 224     sed -i "s/CONFIG_MFD_WM8994=y/# CONFIG_MFD_WM8994 is not set/g" .config
 225     sed -i "s/CONFIG_DRM_RADEON=y/# CONFIG_DRM_RADEON is not set/g" .config
 226     sed -i "s/CONFIG_SND_SOC_WM5100=y/# CONFIG_SND_SOC_WM5100 is not set/g" .config
 227
 228     # IGBVF won't build with recent gcc on 2.6.38.x
 229     if { vergte "$kversion" "2.6.37" && verlt "$kversion" "2.6.38"; }; then
 230       sed -i "s/CONFIG_IGBVF=y/# CONFIG_IGBVF is not set/g" .config
 231     fi
 232
 233     # Set required options
 234     sed -i 's/# CONFIG_KPROBES is not set/CONFIG_KPROBES=y/g' .config
 235     sed -i 's/# CONFIG_FTRACE is not set/CONFIG_FTRACE=y/g' .config
 236     sed -i 's/# CONFIG_BLK_DEV_IO_TRACE is not set/CONFIG_BLK_DEV_IO_TRACE=y/g' .config
 237     sed -i 's/# CONFIG_KALLSYMS_ALL is not set/CONFIG_KALLSYMS_ALL=y/g' .config
 238
 239     # Debug
 240     #cat .config
 241
 242     make "$update_conf_target" CC="$CC"
 243     make -j"$NPROC" CC="$CC"
 244
 245     krelease=$(make -s kernelrelease CC="$CC")
 246
 247     # Save the kernel and modules
 248     mkdir -p "$LINUX_INSTOBJ_DIR/boot"
 249     make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP=1 modules_install
 250     make INSTALL_PATH="$LINUX_INSTOBJ_DIR/boot" install
 251     rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build"
 252     ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source"
 253     ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source"
 254 }
 255
 256
 257 extract_distro_headers() {
 258
 259     # Enter linux source dir
 260     cd "${LINUX_SRCOBJ_DIR}"
 261
 262
 263     # For RT kernels, copy version file
 264     if [ -s localversion-rt ]; then
 265         cp -a localversion-rt "${LINUX_HDROBJ_DIR}"
 266     fi
 267
 268     # Copy all Makefile related stuff
 269     find . -path './include/*' -prune \
 270         -o -path './scripts/*' -prune -o -type f \
 271         \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
 272             -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \
 273         -print | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
 274
 275     # Copy base scripts and include dirs
 276     cp -a scripts include "${LINUX_HDROBJ_DIR}"
 277
 278     # Copy arch includes
 279     (find arch -name include -type d -print0 | \
 280         xargs -0 -n1 -i: find : -type f) | \
 281         cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
 282
 283     # Copy arch scripts
 284     (find arch -name scripts -type d -print0 | \
 285         xargs -0 -n1 -i: find : -type f) | \
 286         cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
 287
 288     # Cleanup scripts
 289     rm -f "${LINUX_HDROBJ_DIR}/scripts/*.o"
 290     rm -f "${LINUX_HDROBJ_DIR}/scripts/*/*.o"
 291
 292     # On powerpc this object is required to link modules
 293     if [ "${karch}" = "powerpc" ]; then
 294         cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LINUX_HDROBJ_DIR}/"
 295     fi
 296
 297     # On arm64 between 4.13 and 1.15 this object is required to build with ftrace support
 298     if [ "${karch}" = "arm64" ]; then
 299         if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then
 300             cp -a --parents arch/arm64/kernel/ftrace-mod.[So] "${LINUX_HDROBJ_DIR}/"
 301         fi
 302     fi
 303
 304     # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y
 305     if [ -f tools/objtool/objtool ]; then
 306       cp -a --parents tools/objtool/objtool "${LINUX_HDROBJ_DIR}/"
 307     fi
 308
 309     if [ -f "arch/x86/kernel/macros.s" ]; then
 310       cp -a --parents arch/x86/kernel/macros.s "${LINUX_HDROBJ_DIR}/"
 311     fi
 312
 313     # Copy modules related stuff, if available
 314     if [ -s Module.symvers ]; then
 315         cp Module.symvers "${LINUX_HDROBJ_DIR}"
 316     fi
 317
 318     if [ -s System.map ]; then
 319         cp System.map "${LINUX_HDROBJ_DIR}"
 320     fi
 321
 322     if [ -s Module.markers ]; then
 323         cp Module.markers "${LINUX_HDROBJ_DIR}"
 324     fi
 325
 326     # Copy config file
 327     cp .config "${LINUX_HDROBJ_DIR}"
 328
 329     # Make sure the Makefile and version.h have a matching timestamp so that
 330     # external modules can be built
 331     if [ -s "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" ]; then
 332         touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h"
 333     elif [ -s "${LINUX_HDROBJ_DIR}/include/linux/version.h" ]; then
 334         touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/linux/version.h"
 335     else
 336         echo "Missing version.h"
 337         exit 1
 338     fi
 339     touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h"
 340
 341     # Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
 342     cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf"
 343
 344     # Finally clean the object files from the full source tree
 345     make clean
 346
 347     # And regen the modules support files
 348     make modules_prepare CC="$CC"
 349
 350     # On powerpc this object is required to link modules
 351     if [ "${karch}" = "powerpc" ]; then
 352         make arch/powerpc/lib/crtsavres.o CC="$CC"
 353     fi
 354
 355     # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support
 356     if [ "${karch}" = "arm64" ]; then
 357         if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then
 358             make arch/arm64/kernel/ftrace-mod.o CC="$CC"
 359         fi
 360     fi
 361
 362     # Version specific tasks
 363     case "$ktag" in
 364       Ubuntu*)
 365         # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code
 366         ABINUM="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')"
 367         echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include/generated/utsrelease.h
 368         echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${LINUX_HDROBJ_DIR}/include/generated/utsrelease.h"
 369         ;;
 370     esac
 371 }
 372
 373
 374 build_modules() {
 375
 376     local kdir="$1"
 377     local outdir="$2"
 378     local kversion
 379
 380     kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion)
 381
 382     # Enter lttng-modules source dir
 383     cd "${MODULES_GIT_DIR}"
 384
 385     # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the
 386     # timekeeping subsystem. We want those build to fail.
 387     if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } || \
 388        { vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then
 389
 390         set +e
 391
 392         # Build modules
 393         KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC"
 394         ret=$?
 395
 396         set -e
 397
 398         # We expect this build to fail, if it doesn't, fail the job.
 399         if [ "$ret" -eq 0 ]; then
 400             echo "This build should have failed."
 401             exit 1
 402         fi
 403
 404         # We have to publish at least one file or the build will fail
 405         echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${outdir}/BROKEN.txt.ko"
 406
 407         KERNELDIR="${kdir}" make clean
 408
 409     else # Regular build
 410
 411         # Build modules against full kernel sources
 412         KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC"
 413
 414         # Install modules to build dir
 415         KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${outdir}" modules_install
 416
 417         # Clean build dir
 418         KERNELDIR="${kdir}" make clean
 419     fi
 420 }
 421
 422
 423 ## MAIN ##
 424
 425 # Use all CPU cores
 426 NPROC=$(nproc)
 427
 428 MODULES_GIT_DIR="${WORKSPACE}/src/lttng-modules"
 429 LINUX_GIT_DIR="${WORKSPACE}/src/linux"
 430
 431 LINUX_OBJ_DIR="${WORKSPACE}/linux"
 432 LINUX_SRCOBJ_DIR="${LINUX_OBJ_DIR}/sources"
 433 LINUX_HDROBJ_DIR="${LINUX_OBJ_DIR}/headers"
 434 LINUX_INSTOBJ_DIR="${LINUX_OBJ_DIR}/install"
 435
 436 MODULES_OUTPUT_KSRC_DIR="${WORKSPACE}/build/lttng-modules-ksrc"
 437 MODULES_OUTPUT_KHDR_DIR="${WORKSPACE}/build/lttng-modules-khdr"
 438
 439 LINUX_GIT_REF_REPO_DIR="$HOME/gitcache/linux-stable.git/"
 440
 441 OBJ_STORE_URL="s3://jenkins"
 442
 443 cd "$WORKSPACE"
 444
 445 # Create build directories
 446 mkdir -p "${LINUX_SRCOBJ_DIR}" "${LINUX_HDROBJ_DIR}" "${LINUX_INSTOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" "${MODULES_OUTPUT_KHDR_DIR}"
 447
 448 git_clone_modules_sources
 449
 450 # Setup cross compile env if available
 451 if [ "x${cross_arch}" != "x" ]; then
 452
 453     case "$cross_arch" in
 454         "armhf")
 455             karch="arm"
 456             cross_compile="arm-linux-gnueabihf-"
 457             vanilla_config="allyesconfig"
 458             ubuntu_config="armhf-config.flavour.generic"
 459             ;;
 460
 461         "arm64")
 462             karch="arm64"
 463             cross_compile="aarch64-linux-gnu-"
 464             vanilla_config="allyesconfig"
 465             ubuntu_config="arm64-config.flavour.generic"
 466             ;;
 467
 468         "powerpc")
 469             karch="powerpc"
 470             cross_compile="powerpc-linux-gnu-"
 471             vanilla_config="ppc44x_defconfig"
 472             ubuntu_config="powerpc-config.flavour.powerpc-smp"
 473             ;;
 474
 475         "ppc64el")
 476             karch="powerpc"
 477             cross_compile="powerpc64le-linux-gnu-"
 478             vanilla_config="pseries_le_defconfig"
 479             ubuntu_config="ppc64el-config.flavour.generic"
 480             ;;
 481
 482         *)
 483             echo "Unsupported cross arch $cross_arch"
 484             exit 1
 485             ;;
 486     esac
 487
 488     # Export variables used by Kbuild for cross compilation
 489     export ARCH="${karch}"
 490     export CROSS_COMPILE="${cross_compile}"
 491
 492 # Set arch specific values if we are not cross compiling
 493 elif [ "x${arch}" != "x" ]; then
 494
 495     case "$arch" in
 496         "i386")
 497             karch="x86"
 498             vanilla_config="allyesconfig"
 499             ubuntu_config="i386-config.flavour.generic"
 500             ;;
 501
 502         "amd64")
 503             karch="x86"
 504             vanilla_config="allyesconfig"
 505             ubuntu_config="amd64-config.flavour.generic"
 506             ;;
 507
 508         "armhf")
 509             karch="arm"
 510             vanilla_config="allyesconfig"
 511             ubuntu_config="armhf-config.flavour.generic"
 512             ;;
 513
 514         "arm64")
 515             karch="arm64"
 516             vanilla_config="allyesconfig"
 517             ubuntu_config="arm64-config.flavour.generic"
 518             ;;
 519
 520         "powerpc")
 521             karch="powerpc"
 522             vanilla_config="allyesconfig"
 523             ubuntu_config="powerpc-config.flavour.powerpc-smp"
 524             ;;
 525
 526         "ppc64el")
 527             karch="powerpc"
 528             vanilla_config="allyesconfig"
 529             ubuntu_config="ppc64el-config.flavour.generic"
 530             ;;
 531
 532         *)
 533             echo "Unsupported arch $arch"
 534             exit 1
 535             ;;
 536     esac
 537 else
 538     echo "Not arch or cross_arch specified"
 539     exit 1
 540 fi
 541
 542
 543
 544 # First get the kernel build from the object store, or build it, if it's
 545 # not available.
 546
 547 echo "# Setup endpoint
 548 host_base = obj.internal.efficios.com
 549 host_bucket = obj.internal.efficios.com
 550 bucket_location = us-east-1
 551 use_https = True
 552
 553 # Setup access keys
 554 access_key = jenkins
 555 secret_key = echo123456
 556
 557 # Enable S3 v4 signature APIs
 558 signature_v2 = False" > "$WORKSPACE/.s3cfg"
 559
 560 url_hash="$(echo -n "$kgitrepo" | md5sum | awk '{ print $1 }')"
 561 obj_name="linux.tar.bz2"
 562 obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/$arch/${cross_arch:-native}"
 563 obj_url="$obj_url_prefix/$obj_name"
 564
 565 set +e
 566 s3cmd -c "$WORKSPACE/.s3cfg" get "$obj_url"
 567 ret=$?
 568 set -e
 569
 570 case "$ret" in
 571     "0")
 572       extract_archive_obj
 573       ;;
 574
 575     "12")
 576       echo "File not found"
 577
 578       # Build all the things and upload
 579       # then finish the module build...
 580
 581       git_clone_linux_sources
 582       git_export_linux_sources
 583
 584       select_compiler
 585
 586       ## PREPARE FULL LINUX SOURCE TREE
 587       build_linux_kernel
 588
 589       ## EXTRACT DISTRO STYLE KERNEL HEADERS / DEVEL
 590       extract_distro_headers
 591
 592       tar_archive_obj
 593
 594       upload_archive_obj
 595
 596       ;;
 597
 598     *)
 599       echo "Unknown error? Abort"
 600       exit 1
 601       ;;
 602 esac
 603
 604 select_compiler
 605
 606 ## BUILD modules
 607 # Either we downloaded a pre-build kernel or we built it and uploaded
 608 # the archive for future builds.
 609
 610 cd "$WORKSPACE"
 611
 612 # Build modules against full kernel sources
 613 build_modules "${LINUX_SRCOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}"
 614
 615 # Build modules against kernel headers
 616 build_modules "${LINUX_HDROBJ_DIR}" "${MODULES_OUTPUT_KHDR_DIR}"
 617
 618 # Make sure some modules were actually built
 619 tree "${MODULES_OUTPUT_KSRC_DIR}"
 620 if [ "x$(find "${MODULES_OUTPUT_KSRC_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
 621   echo "No modules built!"
 622   exit 1
 623 fi
 624
 625 tree "${MODULES_OUTPUT_KHDR_DIR}"
 626 if [ "x$(find "${MODULES_OUTPUT_KHDR_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
 627   echo "No modules built!"
 628   exit 1
 629 fi
 630
 631 # EOF