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 [ "$selected_cc" != "gcc-4.8" ]; then
 115         # Older kernel Makefiles do not expect the compiler to default to PIE
 116         KAFLAGS="-fno-pie"
 117         KCFLAGS="-fno-pie -no-pie"
 118         KCPPFLAGS="-fno-pie"
 119         export KAFLAGS KCFLAGS KCPPFLAGS
 120     fi
 121
 122     export CC="${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         # Force 32bit build on i386, default is 64bit
 149         if [ "$arch" = "i386" ]; then
 150             export ARCH="i386"
 151         fi
 152
 153         # allyesconfig is mostly broken for kernels of the 2.6 series
 154         if verlt "$kversion" "3.0"; then
 155             vanilla_config="defconfig"
 156         fi
 157
 158         make "${vanilla_config}"
 159         ;;
 160     esac
 161
 162     # silentoldconfig was renamed in 4.19
 163     if vergte "$kversion" "4.19"; then
 164         update_conf_target="syncconfig"
 165     else
 166         update_conf_target="silentoldconfig"
 167     fi
 168
 169     # Fix 'defined(@array)' was removed from recent perl
 170     if [ -f "kernel/timeconst.pl" ]; then
 171       sed -i 's/defined(\@\(.*\))/@\1/' kernel/timeconst.pl
 172     fi
 173
 174     # Fix syntax of inline assembly which is confused with C++11 raw strings on gcc >= 5
 175     if [ "$CC" != "gcc-4.8" ]; then
 176       if [ -f "arch/x86/kvm/svm.c" ]; then
 177         sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/svm.c
 178       fi
 179
 180       if [ -f "arch/x86/kvm/vmx.c" ]; then
 181         sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/vmx.c
 182       fi
 183     fi
 184
 185     # Fix a typo in v2.6.36.x
 186     if [ -f "arch/x86/kernel/entry_64.S" ]; then
 187       sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch/x86/kernel/entry_64.S
 188     fi
 189
 190     # Fix kernel < 3.0 with gcc >= 4.7
 191     if verlt "$kversion" "3.0"; then
 192       sed -i '/linux\/compiler.h/a #include <linux\/linkage.h> \/* For asmregparm *\/' arch/x86/include/asm/ptrace.h
 193       sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch/x86/include/asm/ptrace.h
 194       sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch/x86/include/asm/ptrace.h
 195       echo "header-y += linkage.h" >> include/linux/Kbuild
 196     fi
 197
 198     # GCC 4.8
 199     sed -i "s/CONFIG_CC_STACKPROTECTOR_STRONG=y/# CONFIG_CC_STACKPROTECTOR_STRONG is not set/g" .config
 200
 201     # Don't try to sign modules
 202     sed -i "s/CONFIG_MODULE_SIG=y/# CONFIG_MODULE_SIG is not set/g" .config
 203
 204     # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails
 205     sed -i "s/CONFIG_STACK_VALIDATION=y/# CONFIG_STACK_VALIDATION is not set/g" .config
 206
 207     # Cause problems with inline assembly on i386
 208     sed -i "s/CONFIG_DEBUG_SECTION_MISMATCH=y/# CONFIG_DEBUG_SECTION_MISMATCH is not set/g" .config
 209
 210     # Don't build samples, they are broken on some kernel releases
 211     sed -i "s/CONFIG_SAMPLES=y/# CONFIG_SAMPLES is not set/g" .config
 212
 213     # IGBVF won't build with recent gcc on 2.6.38.x
 214     if { vergte "$kversion" "2.6.37" && verlt "$kversion" "2.6.38"; }; then
 215       sed -i "s/CONFIG_IGBVF=y/# CONFIG_IGBVF is not set/g" .config
 216     fi
 217
 218     # Set required options
 219     {
 220         echo "CONFIG_KPROBES=y";
 221         echo "CONFIG_FTRACE=y";
 222         echo "CONFIG_BLK_DEV_IO_TRACE=y";
 223         echo "CONFIG_TRACEPOINTS=y";
 224         echo "CONFIG_KALLSYMS_ALL=y";
 225     } >> .config
 226
 227     # Debug
 228     #cat .config
 229
 230     make "$update_conf_target" CC="$CC"
 231     make -j"$NPROC" CC="$CC"
 232
 233     krelease=$(make -s kernelrelease)
 234
 235     # Save the kernel and modules
 236     mkdir -p "$LINUX_INSTOBJ_DIR/boot"
 237     make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP=1 modules_install
 238     make INSTALL_PATH="$LINUX_INSTOBJ_DIR/boot" install
 239     rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build"
 240     ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source"
 241     ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source"
 242 }
 243
 244
 245 extract_distro_headers() {
 246
 247     # Enter linux source dir
 248     cd "${LINUX_SRCOBJ_DIR}"
 249
 250
 251     # For RT kernels, copy version file
 252     if [ -s localversion-rt ]; then
 253         cp -a localversion-rt "${LINUX_HDROBJ_DIR}"
 254     fi
 255
 256     # Copy all Makefile related stuff
 257     find . -path './include/*' -prune \
 258         -o -path './scripts/*' -prune -o -type f \
 259         \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
 260             -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \
 261         -print | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
 262
 263     # Copy base scripts and include dirs
 264     cp -a scripts include "${LINUX_HDROBJ_DIR}"
 265
 266     # Copy arch includes
 267     (find arch -name include -type d -print0 | \
 268         xargs -0 -n1 -i: find : -type f) | \
 269         cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
 270
 271     # Copy arch scripts
 272     (find arch -name scripts -type d -print0 | \
 273         xargs -0 -n1 -i: find : -type f) | \
 274         cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
 275
 276     # Cleanup scripts
 277     rm -f "${LINUX_HDROBJ_DIR}/scripts/*.o"
 278     rm -f "${LINUX_HDROBJ_DIR}/scripts/*/*.o"
 279
 280     # On powerpc this object is required to link modules
 281     if [ "${karch}" = "powerpc" ]; then
 282         cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LINUX_HDROBJ_DIR}/"
 283     fi
 284
 285     # On arm64 between 4.13 and 1.15 this object is required to build with ftrace support
 286     if [ "${karch}" = "arm64" ]; then
 287         if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then
 288             cp -a --parents arch/arm64/kernel/ftrace-mod.[So] "${LINUX_HDROBJ_DIR}/"
 289         fi
 290     fi
 291
 292     # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y
 293     if [ -f tools/objtool/objtool ]; then
 294       cp -a --parents tools/objtool/objtool "${LINUX_HDROBJ_DIR}/"
 295     fi
 296
 297     if [ -f "arch/x86/kernel/macros.s" ]; then
 298       cp -a --parents arch/x86/kernel/macros.s "${LINUX_HDROBJ_DIR}/"
 299     fi
 300
 301     # Copy modules related stuff, if available
 302     if [ -s Module.symvers ]; then
 303         cp Module.symvers "${LINUX_HDROBJ_DIR}"
 304     fi
 305
 306     if [ -s System.map ]; then
 307         cp System.map "${LINUX_HDROBJ_DIR}"
 308     fi
 309
 310     if [ -s Module.markers ]; then
 311         cp Module.markers "${LINUX_HDROBJ_DIR}"
 312     fi
 313
 314     # Copy config file
 315     cp .config "${LINUX_HDROBJ_DIR}"
 316
 317     # Make sure the Makefile and version.h have a matching timestamp so that
 318     # external modules can be built
 319     if [ -s "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" ]; then
 320         touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h"
 321     elif [ -s "${LINUX_HDROBJ_DIR}/include/linux/version.h" ]; then
 322         touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/linux/version.h"
 323     else
 324         echo "Missing version.h"
 325         exit 1
 326     fi
 327     touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h"
 328
 329     # Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
 330     cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf"
 331
 332     # Finally clean the object files from the full source tree
 333     make clean
 334
 335     # And regen the modules support files
 336     make modules_prepare CC="$CC"
 337
 338     # On powerpc this object is required to link modules
 339     if [ "${karch}" = "powerpc" ]; then
 340         make arch/powerpc/lib/crtsavres.o CC="$CC"
 341     fi
 342
 343     # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support
 344     if [ "${karch}" = "arm64" ]; then
 345         if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then
 346             make arch/arm64/kernel/ftrace-mod.o CC="$CC"
 347         fi
 348     fi
 349
 350     # Version specific tasks
 351     case "$ktag" in
 352       Ubuntu*)
 353         # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code
 354         ABINUM="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')"
 355         echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include/generated/utsrelease.h
 356         echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${LINUX_HDROBJ_DIR}/include/generated/utsrelease.h"
 357         ;;
 358     esac
 359 }
 360
 361
 362 build_modules() {
 363
 364     local kdir="$1"
 365     local outdir="$2"
 366     local kversion
 367
 368     kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion)
 369
 370     # Enter lttng-modules source dir
 371     cd "${MODULES_GIT_DIR}"
 372
 373     # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the
 374     # timekeeping subsystem. We want those build to fail.
 375     if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } || \
 376        { vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then
 377
 378         set +e
 379
 380         # Build modules
 381         KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC"
 382
 383         set -e
 384
 385         # We expect this build to fail, if it doesn't, fail the job.
 386         if [ "$?" -eq 0 ]; then
 387             echo "This build should have failed."
 388             exit 1
 389         fi
 390
 391         # We have to publish at least one file or the build will fail
 392         echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${outdir}/BROKEN.txt.ko"
 393
 394         set -e
 395
 396         KERNELDIR="${kdir}" make clean
 397
 398     else # Regular build
 399
 400         # Build modules against full kernel sources
 401         KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC"
 402
 403         # Install modules to build dir
 404         KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${outdir}" modules_install
 405
 406         # Clean build dir
 407         KERNELDIR="${kdir}" make clean
 408     fi
 409 }
 410
 411
 412 ## MAIN ##
 413
 414 # Use all CPU cores
 415 NPROC=$(nproc)
 416
 417 MODULES_GIT_DIR="${WORKSPACE}/src/lttng-modules"
 418 LINUX_GIT_DIR="${WORKSPACE}/src/linux"
 419
 420 LINUX_OBJ_DIR="${WORKSPACE}/linux"
 421 LINUX_SRCOBJ_DIR="${LINUX_OBJ_DIR}/sources"
 422 LINUX_HDROBJ_DIR="${LINUX_OBJ_DIR}/headers"
 423 LINUX_INSTOBJ_DIR="${LINUX_OBJ_DIR}/install"
 424
 425 MODULES_OUTPUT_KSRC_DIR="${WORKSPACE}/build/lttng-modules-ksrc"
 426 MODULES_OUTPUT_KHDR_DIR="${WORKSPACE}/build/lttng-modules-khdr"
 427
 428 LINUX_GIT_REF_REPO_DIR="$HOME/gitcache/linux-stable.git/"
 429
 430 OBJ_STORE_URL="s3://jenkins"
 431
 432 cd "$WORKSPACE"
 433
 434 # Create build directories
 435 mkdir -p "${LINUX_SRCOBJ_DIR}" "${LINUX_HDROBJ_DIR}" "${LINUX_INSTOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" "${MODULES_OUTPUT_KHDR_DIR}"
 436
 437 git_clone_modules_sources
 438
 439 # Setup cross compile env if available
 440 if [ "x${cross_arch}" != "x" ]; then
 441
 442     case "$cross_arch" in
 443         "armhf")
 444             karch="arm"
 445             cross_compile="arm-linux-gnueabihf-"
 446             vanilla_config="allyesconfig"
 447             ubuntu_config="armhf-config.flavour.generic"
 448             ;;
 449
 450         "arm64")
 451             karch="arm64"
 452             cross_compile="aarch64-linux-gnu-"
 453             vanilla_config="allyesconfig"
 454             ubuntu_config="arm64-config.flavour.generic"
 455             ;;
 456
 457         "powerpc")
 458             karch="powerpc"
 459             cross_compile="powerpc-linux-gnu-"
 460             vanilla_config="ppc44x_defconfig"
 461             ubuntu_config="powerpc-config.flavour.powerpc-smp"
 462             ;;
 463
 464         "ppc64el")
 465             karch="powerpc"
 466             cross_compile="powerpc64le-linux-gnu-"
 467             vanilla_config="pseries_le_defconfig"
 468             ubuntu_config="ppc64el-config.flavour.generic"
 469             ;;
 470
 471         *)
 472             echo "Unsupported cross arch $cross_arch"
 473             exit 1
 474             ;;
 475     esac
 476
 477     # Export variables used by Kbuild for cross compilation
 478     export ARCH="${karch}"
 479     export CROSS_COMPILE="${cross_compile}"
 480
 481 # Set arch specific values if we are not cross compiling
 482 elif [ "x${arch}" != "x" ]; then
 483
 484     case "$arch" in
 485         "i386")
 486             karch="x86"
 487             vanilla_config="allyesconfig"
 488             ubuntu_config="i386-config.flavour.generic"
 489             ;;
 490
 491         "amd64")
 492             karch="x86"
 493             vanilla_config="allyesconfig"
 494             ubuntu_config="amd64-config.flavour.generic"
 495             ;;
 496
 497         "armhf")
 498             karch="arm"
 499             vanilla_config="allyesconfig"
 500             ubuntu_config="armhf-config.flavour.generic"
 501             ;;
 502
 503         "arm64")
 504             karch="arm64"
 505             vanilla_config="allyesconfig"
 506             ubuntu_config="arm64-config.flavour.generic"
 507             ;;
 508
 509         "powerpc")
 510             karch="powerpc"
 511             vanilla_config="allyesconfig"
 512             ubuntu_config="powerpc-config.flavour.powerpc-smp"
 513             ;;
 514
 515         "ppc64el")
 516             karch="powerpc"
 517             vanilla_config="allyesconfig"
 518             ubuntu_config="ppc64el-config.flavour.generic"
 519             ;;
 520
 521         *)
 522             echo "Unsupported arch $arch"
 523             exit 1
 524             ;;
 525     esac
 526 else
 527     echo "Not arch or cross_arch specified"
 528     exit 1
 529 fi
 530
 531
 532
 533 # First get the kernel build from the object store, or build it, if it's
 534 # not available.
 535
 536 echo "# Setup endpoint
 537 host_base = obj.internal.efficios.com
 538 host_bucket = obj.internal.efficios.com
 539 bucket_location = us-east-1
 540 use_https = True
 541
 542 # Setup access keys
 543 access_key = jenkins
 544 secret_key = echo123456
 545
 546 # Enable S3 v4 signature APIs
 547 signature_v2 = False" > "$WORKSPACE/.s3cfg"
 548
 549 url_hash="$(echo -n "$kgitrepo/$ktag/$arch/$cross_arch" | md5sum | awk '{ print $1 }')"
 550 obj_name="linux.tar.bz2"
 551 obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash"
 552 obj_url="$obj_url_prefix/$obj_name"
 553
 554 set +e
 555 s3cmd -c "$WORKSPACE/.s3cfg" get "$obj_url"
 556 ret=$?
 557 set -e
 558
 559 case "$ret" in
 560     "0")
 561       extract_archive_obj
 562       ;;
 563
 564     "12")
 565       echo "File not found"
 566
 567       # Build all the things and upload
 568       # then finish the module build...
 569
 570       git_clone_linux_sources
 571       git_export_linux_sources
 572
 573       select_compiler
 574
 575       ## PREPARE FULL LINUX SOURCE TREE
 576       build_linux_kernel
 577
 578       ## EXTRACT DISTRO STYLE KERNEL HEADERS / DEVEL
 579       extract_distro_headers
 580
 581       tar_archive_obj
 582
 583       upload_archive_obj
 584
 585       ;;
 586
 587     *)
 588       echo "Unknown error? Abort"
 589       exit 1
 590       ;;
 591 esac
 592
 593 select_compiler
 594
 595 ## BUILD modules
 596 # Either we downloaded a pre-build kernel or we built it and uploaded
 597 # the archive for future builds.
 598
 599 cd "$WORKSPACE"
 600
 601 # Build modules against full kernel sources
 602 build_modules "${LINUX_SRCOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}"
 603
 604 # Build modules against kernel headers
 605 build_modules "${LINUX_HDROBJ_DIR}" "${MODULES_OUTPUT_KHDR_DIR}"
 606
 607 # Make sure some modules were actually built
 608 tree "${MODULES_OUTPUT_KSRC_DIR}"
 609 if [ "x$(find "${MODULES_OUTPUT_KSRC_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
 610   echo "No modules built!"
 611   exit 1
 612 fi
 613
 614 tree "${MODULES_OUTPUT_KHDR_DIR}"
 615 if [ "x$(find "${MODULES_OUTPUT_KHDR_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
 616   echo "No modules built!"
 617   exit 1
 618 fi
 619
 620 # EOF