3 # Copyright (C) 2016-2019 Michael Jeanson <mjeanson@efficios.com>
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.
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.
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/>.
22 cross_arch
=${cross_arch:-}
24 kgitrepo
=${kgitrepo:-}
25 mversion
=${mversion:-}
26 mgitrepo
=${mgitrepo:-}
31 # Kernel version compare functions
33 [ "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | head -n1)" ]
37 # shellcheck disable=SC2015
38 [ "$1" = "$2" ] && return 1 || verlte
"$1" "$2"
42 [ "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | tail -n1)" ]
46 # shellcheck disable=SC2015
47 [ "$1" = "$2" ] && return 1 || vergte
"$1" "$2"
51 git_clone_modules_sources
() {
52 mkdir
-p "$MODULES_GIT_DIR"
54 # If the version starts with "refs/", checkout the specific git ref, otherwise treat it
56 if [ "${mversion:0:5}" = "refs/" ]; then
57 git clone
--no-tags --depth=1 "${mgitrepo}" "$MODULES_GIT_DIR"
58 (cd "$MODULES_GIT_DIR" && git fetch origin
"${mversion}" && git checkout FETCH_HEAD
)
60 git clone
--no-tags --depth=1 -b "${mversion}" "${mgitrepo}" "$MODULES_GIT_DIR"
64 # Checkout a shallow kernel tree of the specified tag
65 git_clone_linux_sources
() {
66 mkdir
-p "$LINUX_GIT_DIR"
67 git clone
--depth=1 -b "${ktag}" --reference "$LINUX_GIT_REF_REPO_DIR" "${kgitrepo}" "$LINUX_GIT_DIR"
71 # Export the kernel sources from the git repo
72 git_export_linux_sources
() {
74 git archive
"${ktag}" |
tar -x -C "$LINUX_SRCOBJ_DIR"
78 # Upload the tar archive to the object store
79 upload_archive_obj
() {
80 s3cmd
-c "$WORKSPACE/.s3cfg" put
"$WORKSPACE/$obj_name" "$obj_url_prefix/"
81 rm -f "$WORKSPACE/$obj_name"
85 extract_archive_obj
() {
86 tar -xf "$WORKSPACE/$obj_name" -C "$LINUX_OBJ_DIR"
87 rm -f "$WORKSPACE/$obj_name"
93 tar -cf "$WORKSPACE/$obj_name" -I pbzip2 .
100 IFS
=: read -r -a path_array
<<< "$PATH"
101 while read -r gcc
; do
103 done < <(find "${path_array[@]}" -maxdepth 1 -regex '.*/gcc-[0-9\.]+$' -printf '%f\n' |
sort -t- -k2 -V -r)
107 # Find the most recent GCC version supported by the kernel sources
111 cd "$LINUX_SRCOBJ_DIR"
113 kversion
=$
(make -s kernelversion
)
117 for cc
in $
(list_gccs
) ; do
118 if "${CROSS_COMPILE:-}${cc}" -I include
/ -D__LINUX_COMPILER_H -D__LINUX_COMPILER_TYPES_H -E include
/linux
/compiler-gcc.h
; then
126 if [ "x$selected_cc" = "x" ]; then
127 echo "Found no suitable compiler."
131 # Force gcc-4.8 for kernels before 3.18
132 if { verlt
"$kversion" "3.18"; }; then
136 if [ "$selected_cc" != "gcc-4.8" ]; then
137 # Older kernel Makefiles do not expect the compiler to default to PIE
139 KCFLAGS
="-fno-pie -no-pie -fno-stack-protector"
141 export KAFLAGS KCFLAGS KCPPFLAGS
144 export CC
="${CROSS_COMPILE:-}${selected_cc}"
145 export HOSTCC
="${selected_cc}"
151 build_linux_kernel
() {
152 cd "$LINUX_SRCOBJ_DIR"
154 kversion
=$
(make -s kernelversion
)
156 # Generate kernel configuration
159 if [ "${cross_arch}" = "powerpc" ]; then
160 if vergte
"${kversion}" "4.10"; then
161 echo "Ubuntu removed big endian powerpc configuration from kernel >= 4.10. Don't try to build it."
166 # Disable riscv64 config generation, we don't have a toolchain on bionic
167 sed -i 's/riscv64 //' debian.master
/etc
/kernelconfig
169 fakeroot debian
/rules clean KW_DEFCONFIG_DIR
=.
171 # Hack for kernel Ubuntu-hwe-5.8
172 # The debian/control file is produced by the clean target above, so this
173 # check needs to happen afterwards.
174 if [ ! -f "debian/compat" ] && ! grep -q debhelper-compat debian
/control
; then
175 echo "10" > "debian/compat"
178 # genconfigs check can fail in certain cases, eg. when a more recent
179 # compiler exposes kernel configuration flags which aren't set in the
180 # Ubuntu annotations.
181 # In any case, the configuration will be updated with any missing values
182 # later in our build script.
183 fakeroot debian
/rules genconfigs KW_DEFCONFIG_DIR
=. do_skip_checks
=true
184 cp CONFIGS
/"${ubuntu_config}" .config
188 # Force 32bit build on i386, default is 64bit
189 if [ "$arch" = "i386" ]; then
193 # allyesconfig is mostly broken for kernels of the 2.6 series
194 if verlt
"$kversion" "3.0"; then
195 vanilla_config
="defconfig"
198 make "${vanilla_config}"
202 # oldnoconfig was renamed in 4.19
203 if vergte
"$kversion" "4.19"; then
204 update_conf_target
="olddefconfig"
206 update_conf_target
="oldnoconfig"
209 # Fix 'defined(@array)' was removed from recent perl
210 if [ -f "kernel/timeconst.pl" ]; then
211 sed -i 's/defined(\@\(.*\))/@\1/' kernel
/timeconst.pl
214 # Fix syntax of inline assembly which is confused with C++11 raw strings on gcc >= 5
215 if [ "$HOSTCC" != "gcc-4.8" ]; then
216 if [ -f "arch/x86/kvm/svm.c" ]; then
217 sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch
/x86
/kvm
/svm.c
220 if [ -f "arch/x86/kvm/vmx.c" ]; then
221 sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch
/x86
/kvm
/vmx.c
225 # Newer binutils don't accept 3 operand 'cmp' instructions on ppc64
226 # Convert them to 'cmpw' which was previously done silently
227 if verlt
"$kversion" "4.9"; then
228 find arch
/powerpc
/ -name "*.S" -print0 |
xargs -0 sed -i "s/\(cmp\)\(\s\+[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+\)/cmpw\2/"
229 find arch
/powerpc
/ -name "*.S" -print0 |
xargs -0 sed -i "s/\(cmpli\)\(\s\+[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+\)/cmplwi\2/"
230 sed -i "s/\$pie \-o \"\$ofile\"/\$pie --no-dynamic-linker -o \"\$ofile\"/" arch
/powerpc
/boot
/wrapper
233 # Fix a typo in v2.6.36.x
234 if [ -f "arch/x86/kernel/entry_64.S" ]; then
235 sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch
/x86
/kernel
/entry_64.S
238 # Fix compiler switch in vdso Makefile for 2.6.36 to 2.6.36.2
239 if { vergte
"$kversion" "2.6.36" && verlte
"$kversion" "2.6.36.3"; }; then
240 sed -i 's/-m elf_x86_64/-m64/' arch
/x86
/vdso
/Makefile
241 sed -i 's/-m elf_i386/-m32/' arch
/x86
/vdso
/Makefile
244 # Fix kernel < 3.0 with gcc >= 4.7
245 if verlt
"$kversion" "3.0"; then
246 sed -i '/linux\/compiler.h/a #include <linux\/linkage.h> \/* For asmregparm *\/' arch
/x86
/include
/asm
/ptrace.h
247 sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch
/x86
/include
/asm
/ptrace.h
248 sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch
/x86
/include
/asm
/ptrace.h
249 echo "header-y += linkage.h" >> include
/linux
/Kbuild
253 if [ "$HOSTCC" == "gcc-4.8" ]; then
254 scripts
/config
--disable CONFIG_CC_STACKPROTECTOR_STRONG
257 # Don't try to sign modules
258 scripts
/config
--disable CONFIG_MODULE_SIG
260 # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails
261 scripts
/config
--disable CONFIG_STACK_VALIDATION
263 # Cause problems with inline assembly on i386
264 scripts
/config
--disable CONFIG_DEBUG_SECTION_MISMATCH
266 # Don't build samples, they are broken on some kernel releases
267 scripts
/config
--disable CONFIG_SAMPLES
268 scripts
/config
--disable CONFIG_BUILD_DOCSRC
271 scripts
/config
--disable CONFIG_KCOV
273 # Broken on some RT kernels
274 scripts
/config
--disable CONFIG_HYPERV
277 scripts
/config
--disable CONFIG_RAPIDIO_TSI721
278 scripts
/config
--disable CONFIG_SGI_XP
279 scripts
/config
--disable CONFIG_MFD_WM8994
280 scripts
/config
--disable CONFIG_DRM_RADEON
281 scripts
/config
--disable CONFIG_SND_SOC_WM5100
283 # IGBVF won't build with recent gcc on 2.6.38.x
284 if { vergte
"$kversion" "2.6.37" && verlt
"$kversion" "2.6.38"; }; then
285 scripts
/config
--disable CONFIG_IGBVF
288 # Don't fail the build on warnings
289 scripts
/config
--disable CONFIG_WERROR
291 # Set required options
292 scripts
/config
--enable CONFIG_TRACEPOINTS
293 scripts
/config
--enable CONFIG_KALLSYMS
294 scripts
/config
--enable CONFIG_HIGH_RES_TIMERS
295 scripts
/config
--enable CONFIG_KPROBES
296 scripts
/config
--enable CONFIG_FTRACE
297 scripts
/config
--enable CONFIG_BLK_DEV_IO_TRACE
298 scripts
/config
--enable CONFIG_KALLSYMS_ALL
299 scripts
/config
--enable CONFIG_HAVE_SYSCALL_TRACEPOINTS
300 scripts
/config
--enable CONFIG_PERF_EVENTS
301 scripts
/config
--enable CONFIG_EVENT_TRACING
302 scripts
/config
--enable CONFIG_KRETPROBES
304 # FIXME: disable objtool on vmlinux, it OOMs on allyesconfig
305 sed -i 's/objtool_link vmlinux.o//' scripts
/link-vmlinux.sh || true
306 # Starting with v6.1-rc6
307 sed -i 's/^objtool-enabled := .*/objtool-enabled := /' scripts
/Makefile.vmlinux_o || true
310 sed -i 's/is_enabled CONFIG_BUILDTIME_TABLE_SORT/is_enabled CONFIG_NONEXISTANT/' scripts
/link-vmlinux.sh || true
315 make "$update_conf_target" CC
="$CC"
316 make -j"$NPROC" CC
="$CC"
318 krelease
=$
(make -s kernelrelease CC
="$CC")
320 # Save the kernel and modules
321 mkdir
-p "$LINUX_INSTOBJ_DIR/boot"
322 make INSTALL_MOD_PATH
="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP
=1 modules_install CC
="$CC"
323 make INSTALL_MOD_PATH
="$LINUX_INSTOBJ_DIR" INSTALL_PATH
="$LINUX_INSTOBJ_DIR/boot" install CC
="$CC"
324 rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build"
325 ln -s ..
/..
/..
/..
/sources
"$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source"
326 ln -s ..
/..
/..
/..
/sources
"$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source"
330 extract_distro_headers
() {
332 # Enter linux source dir
333 cd "${LINUX_SRCOBJ_DIR}"
336 # For RT kernels, copy version file
337 if [ -s localversion-rt
]; then
338 cp -a localversion-rt
"${LINUX_HDROBJ_DIR}"
341 # Copy all Makefile related stuff
342 find .
-path './include/*' -prune \
343 -o -path './scripts/*' -prune -o -type f \
344 \
( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
345 -name '*.sh' -o -name '*.pl' -o -name '*.lds' \
) \
346 -print |
cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
348 # Copy base scripts and include dirs
349 cp -a scripts include
"${LINUX_HDROBJ_DIR}"
352 (find arch
-name include
-type d
-print0 | \
353 xargs -0 -n1 -i: find : -type f
) | \
354 cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
357 (find arch
-name scripts
-type d
-print0 | \
358 xargs -0 -n1 -i: find : -type f
) | \
359 cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
362 rm -f "${LINUX_HDROBJ_DIR}/scripts/*.o"
363 rm -f "${LINUX_HDROBJ_DIR}/scripts/*/*.o"
365 # On powerpc 32bits this object is required to link modules
366 if [ "${karch}" = "powerpc" ]; then
367 if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte
"${kversion}" "5.4"; then
370 cp -a --parents arch
/powerpc
/lib
/crtsavres.
[So
] "${LINUX_HDROBJ_DIR}/"
374 # On arm64 between 4.13 and 1.15 this object is required to build with ftrace support
375 if [ "${karch}" = "arm64" ]; then
376 if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then
377 cp -a --parents arch
/arm64
/kernel
/ftrace-mod.
[So
] "${LINUX_HDROBJ_DIR}/"
381 # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y
382 if [ -f tools
/objtool
/objtool
]; then
383 cp -a --parents tools
/objtool
/objtool
"${LINUX_HDROBJ_DIR}/"
386 if [ -f "arch/x86/kernel/macros.s" ]; then
387 cp -a --parents arch
/x86
/kernel
/macros.s
"${LINUX_HDROBJ_DIR}/"
390 # Copy modules related stuff, if available
391 if [ -s Module.symvers
]; then
392 cp Module.symvers
"${LINUX_HDROBJ_DIR}"
395 if [ -s System.map
]; then
396 cp System.map
"${LINUX_HDROBJ_DIR}"
399 if [ -s Module.markers
]; then
400 cp Module.markers
"${LINUX_HDROBJ_DIR}"
404 cp .config
"${LINUX_HDROBJ_DIR}"
406 # Make sure the Makefile and version.h have a matching timestamp so that
407 # external modules can be built
408 if [ -s "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" ]; then
409 touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h"
410 elif [ -s "${LINUX_HDROBJ_DIR}/include/linux/version.h" ]; then
411 touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/linux/version.h"
413 echo "Missing version.h"
416 touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h"
418 # Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
419 if [ ! -f "${LINUX_HDROBJ_DIR}/include/config/auto.conf" ]; then
420 cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf"
423 # Finally clean the object files from the full source tree
426 # And regen the modules support files
427 make modules_prepare CC
="$CC"
429 # On powerpc 32bits this object is required to link modules
430 if [ "${karch}" = "powerpc" ]; then
431 if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte
"${kversion}" "5.4"; then
434 make arch
/powerpc
/lib
/crtsavres.o CC
="$CC"
438 # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support
439 if [ "${karch}" = "arm64" ]; then
440 if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then
441 make arch
/arm64
/kernel
/ftrace-mod.o CC
="$CC"
445 # Version specific tasks
448 # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code
449 ABINUM
="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')"
450 echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include
/generated
/utsrelease.h
451 echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${LINUX_HDROBJ_DIR}/include/generated/utsrelease.h"
463 kversion
=$
(make -C "$LINUX_HDROBJ_DIR" -s kernelversion
)
465 # Try to catch some compatibility problems by turning some
466 # warnings into errors.
467 #export KCFLAGS="$KCFLAGS -Wall -Werror"
469 # Enter lttng-modules source dir
470 cd "${MODULES_GIT_DIR}"
472 # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the
473 # timekeeping subsystem. We want those build to fail.
474 if { vergte
"$kversion" "3.10" && verlte
"$kversion" "3.10.13"; } || \
475 { vergte
"$kversion" "3.11" && verlte
"$kversion" "3.11.2"; }; then
480 KERNELDIR
="${kdir}" make -j"${NPROC}" V
=1 CC
="$CC"
485 # We expect this build to fail, if it doesn't, fail the job.
486 if [ "$ret" -eq 0 ]; then
487 echo "This build should have failed."
491 # We have to publish at least one file or the build will fail
492 echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${outdir}/BROKEN.txt.ko"
494 KERNELDIR
="${kdir}" make clean
498 # Build modules against full kernel sources
499 KERNELDIR
="${kdir}" make -j"${NPROC}" V
=1 CC
="$CC"
501 # Install modules to build dir
502 KERNELDIR
="${kdir}" make INSTALL_MOD_PATH
="${outdir}" modules_install
505 KERNELDIR
="${kdir}" make clean
515 MODULES_GIT_DIR
="${WORKSPACE}/src/lttng-modules"
516 LINUX_GIT_DIR
="${WORKSPACE}/src/linux"
518 LINUX_OBJ_DIR
="${WORKSPACE}/linux"
519 LINUX_SRCOBJ_DIR
="${LINUX_OBJ_DIR}/sources"
520 LINUX_HDROBJ_DIR
="${LINUX_OBJ_DIR}/headers"
521 LINUX_INSTOBJ_DIR
="${LINUX_OBJ_DIR}/install"
523 MODULES_OUTPUT_KSRC_DIR
="${WORKSPACE}/build/lttng-modules-ksrc"
524 MODULES_OUTPUT_KHDR_DIR
="${WORKSPACE}/build/lttng-modules-khdr"
526 LINUX_GIT_REF_REPO_DIR
="$HOME/gitcache/linux-stable.git/"
528 OBJ_STORE_URL
="s3://jenkins"
532 # Create build directories
533 mkdir
-p "${LINUX_SRCOBJ_DIR}" "${LINUX_HDROBJ_DIR}" "${LINUX_INSTOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" "${MODULES_OUTPUT_KHDR_DIR}"
535 git_clone_modules_sources
537 # Setup cross compile env if available
538 if [ "x${cross_arch}" != "x" ]; then
540 case "$cross_arch" in
543 cross_compile
="arm-linux-gnueabihf-"
544 vanilla_config
="imx_v6_v7_defconfig"
545 ubuntu_config
="armhf-config.flavour.generic"
550 cross_compile
="aarch64-linux-gnu-"
551 vanilla_config
="defconfig"
552 ubuntu_config
="arm64-config.flavour.generic"
557 cross_compile
="powerpc-linux-gnu-"
558 vanilla_config
="ppc44x_defconfig"
559 ubuntu_config
="powerpc-config.flavour.powerpc-smp"
564 cross_compile
="powerpc64le-linux-gnu-"
565 vanilla_config
="pseries_le_defconfig"
566 ubuntu_config
="ppc64el-config.flavour.generic"
570 echo "Unsupported cross arch $cross_arch"
575 # Export variables used by Kbuild for cross compilation
576 export ARCH
="${karch}"
577 export CROSS_COMPILE
="${cross_compile}"
579 # Set arch specific values if we are not cross compiling
580 elif [ "x${arch}" != "x" ]; then
585 vanilla_config
="allyesconfig"
586 ubuntu_config
="i386-config.flavour.generic"
591 vanilla_config
="allyesconfig"
592 ubuntu_config
="amd64-config.flavour.generic"
597 vanilla_config
="allyesconfig"
598 ubuntu_config
="armhf-config.flavour.generic"
603 vanilla_config
="allyesconfig"
604 ubuntu_config
="arm64-config.flavour.generic"
609 vanilla_config
="allyesconfig"
610 ubuntu_config
="powerpc-config.flavour.powerpc-smp"
615 vanilla_config
="allyesconfig"
616 ubuntu_config
="ppc64el-config.flavour.generic"
620 echo "Unsupported arch $arch"
625 echo "No arch or cross_arch specified"
631 # First get the kernel build from the object store, or build it, if it's
634 echo "# Setup endpoint
635 host_base = obj.internal.efficios.com
636 host_bucket = obj.internal.efficios.com
637 bucket_location = us-east-1
642 secret_key = echo123456
644 # Enable S3 v4 signature APIs
645 signature_v2 = False" > "$WORKSPACE/.s3cfg"
647 url_hash
="$(echo -n "$kgitrepo" | md5sum | awk '{ print $1 }')"
648 obj_name
="linux.tar.bz2"
650 if [ "x${cross_arch}" = "x" ]; then
651 obj_url_prefix
="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/$arch/native"
653 obj_url_prefix
="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/${cross_arch}"
656 obj_url
="$obj_url_prefix/$obj_name"
659 # In s3cmd 2.3, the return code of get when an object does not exist (64)
660 # is different than in 2.2 (12). The return codes of 's3cmd info' are
661 # consistent between 2.2 and 2.3.
662 s3cmd
-c "$WORKSPACE/.s3cfg" info
"$obj_url"
668 s3cmd
-c "$WORKSPACE/.s3cfg" get
"$obj_url"
673 echo "File not found"
675 # Build all the things and upload
676 # then finish the module build...
678 git_clone_linux_sources
679 git_export_linux_sources
683 ## PREPARE FULL LINUX SOURCE TREE
686 ## EXTRACT DISTRO STYLE KERNEL HEADERS / DEVEL
687 extract_distro_headers
696 echo "Unknown error? Abort"
704 # Either we downloaded a pre-build kernel or we built it and uploaded
705 # the archive for future builds.
709 # Build modules against full kernel sources
710 build_modules
"${LINUX_SRCOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}"
712 # Build modules against kernel headers
713 build_modules
"${LINUX_HDROBJ_DIR}" "${MODULES_OUTPUT_KHDR_DIR}"
715 # Make sure some modules were actually built
716 tree
"${MODULES_OUTPUT_KSRC_DIR}"
717 if [ "x$(find "${MODULES_OUTPUT_KSRC_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
718 echo "No modules built!"
722 tree
"${MODULES_OUTPUT_KHDR_DIR}"
723 if [ "x$(find "${MODULES_OUTPUT_KHDR_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
724 echo "No modules built!"