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/>.
21 platforms
=${platforms:-}
22 # Derive arch from label if it isn't set
23 if [ -z "${arch:-}" ] ; then
24 # Labels may be platform specific, eg. jammy-amd64, deb12-armhf
25 regex
='[[:alnum:]]+-([[:alnum:]]+)'
26 if [[ "${platforms}" =~
${regex} ]] ; then
27 arch
="${BASH_REMATCH[1]}"
32 cross_arch
=${cross_arch:-}
34 kgitrepo
=${kgitrepo:-}
35 mversion
=${mversion:-}
36 mgitrepo
=${mgitrepo:-}
40 # Kernel version compare functions
42 [ "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | head -n1)" ]
46 # shellcheck disable=SC2015
47 [ "$1" = "$2" ] && return 1 || verlte
"$1" "$2"
51 [ "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | tail -n1)" ]
55 # shellcheck disable=SC2015
56 [ "$1" = "$2" ] && return 1 || vergte
"$1" "$2"
60 git_clone_modules_sources
() {
61 mkdir
-p "$MODULES_GIT_DIR"
63 # If the version starts with "refs/", checkout the specific git ref, otherwise treat it
65 if [ "${mversion:0:5}" = "refs/" ]; then
66 git clone
--no-tags --depth=1 "${mgitrepo}" "$MODULES_GIT_DIR"
67 (cd "$MODULES_GIT_DIR" && git fetch origin
"${mversion}" && git checkout FETCH_HEAD
)
69 git clone
--no-tags --depth=1 -b "${mversion}" "${mgitrepo}" "$MODULES_GIT_DIR"
73 # Checkout a shallow kernel tree of the specified tag
74 git_clone_linux_sources
() {
75 mkdir
-p "$LINUX_GIT_DIR"
76 git clone
--depth=1 -b "${ktag}" --reference "$LINUX_GIT_REF_REPO_DIR" "${kgitrepo}" "$LINUX_GIT_DIR"
80 # Export the kernel sources from the git repo
81 git_export_linux_sources
() {
83 git archive
"${ktag}" |
tar -x -C "$LINUX_SRCOBJ_DIR"
87 # Upload the tar archive to the object store
88 upload_archive_obj
() {
89 s3cmd
-c "$WORKSPACE/.s3cfg" put
"$WORKSPACE/$obj_name" "$obj_url_prefix/"
90 rm -f "$WORKSPACE/$obj_name"
94 extract_archive_obj
() {
95 tar -xf "$WORKSPACE/$obj_name" -C "$LINUX_OBJ_DIR"
96 rm -f "$WORKSPACE/$obj_name"
102 tar -cf "$WORKSPACE/$obj_name" -I pbzip2 .
109 IFS
=: read -r -a path_array
<<< "$PATH"
110 while read -r gcc
; do
112 done < <(find "${path_array[@]}" -maxdepth 1 -regex '.*/gcc-[0-9\.]+$' -printf '%f\n' |
sort -t- -k2 -V -r)
116 # Find the most recent GCC version supported by the kernel sources
120 cd "$LINUX_SRCOBJ_DIR"
122 kversion
=$
(make -s kernelversion
)
126 for cc
in $
(list_gccs
) ; do
127 if "${CROSS_COMPILE:-}${cc}" -I include
/ -D__LINUX_COMPILER_H -D__LINUX_COMPILER_TYPES_H -E include
/linux
/compiler-gcc.h
; then
135 if [ "x$selected_cc" = "x" ]; then
136 echo "Found no suitable compiler."
140 # Force gcc-4.8 for kernels before 3.18
141 if { verlt
"$kversion" "3.18"; }; then
145 if [ "$selected_cc" != "gcc-4.8" ]; then
146 # Older kernel Makefiles do not expect the compiler to default to PIE
148 KCFLAGS
="-fno-pie -no-pie -fno-stack-protector"
150 export KAFLAGS KCFLAGS KCPPFLAGS
153 export CC
="${CROSS_COMPILE:-}${selected_cc}"
154 export HOSTCC
="${selected_cc}"
160 build_linux_kernel
() {
161 cd "$LINUX_SRCOBJ_DIR"
163 kversion
=$
(make -s kernelversion
)
165 # Generate kernel configuration
168 if [ "${cross_arch}" = "powerpc" ]; then
169 if vergte
"${kversion}" "4.10"; then
170 echo "Ubuntu removed big endian powerpc configuration from kernel >= 4.10. Don't try to build it."
175 # Disable riscv64 config generation, we don't have a toolchain on bionic
176 sed -i 's/riscv64 //' debian.master
/etc
/kernelconfig
178 fakeroot debian
/rules clean KW_DEFCONFIG_DIR
=.
180 # Hack for kernel Ubuntu-hwe-5.8
181 # The debian/control file is produced by the clean target above, so this
182 # check needs to happen afterwards.
183 if [ ! -f "debian/compat" ] && ! grep -q debhelper-compat debian
/control
; then
184 echo "10" > "debian/compat"
187 # genconfigs check can fail in certain cases, eg. when a more recent
188 # compiler exposes kernel configuration flags which aren't set in the
189 # Ubuntu annotations.
190 # In any case, the configuration will be updated with any missing values
191 # later in our build script.
192 fakeroot debian
/rules genconfigs KW_DEFCONFIG_DIR
=. do_skip_checks
=true
193 cp CONFIGS
/"${ubuntu_config}" .config
197 # Force 32bit build on i386, default is 64bit
198 if [ "$arch" = "i386" ]; then
202 make "${vanilla_config}"
206 # oldnoconfig was renamed in 4.19
207 if vergte
"$kversion" "4.19"; then
208 update_conf_target
="olddefconfig"
210 update_conf_target
="oldnoconfig"
213 # Fix 'defined(@array)' was removed from recent perl
214 if [ -f "kernel/timeconst.pl" ]; then
215 sed -i 's/defined(\@\(.*\))/@\1/' kernel
/timeconst.pl
218 # Fix syntax of inline assembly which is confused with C++11 raw strings on gcc >= 5
219 if [ "$HOSTCC" != "gcc-4.8" ]; then
220 if [ -f "arch/x86/kvm/svm.c" ]; then
221 sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch
/x86
/kvm
/svm.c
224 if [ -f "arch/x86/kvm/vmx.c" ]; then
225 sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch
/x86
/kvm
/vmx.c
229 # Newer binutils don't accept 3 operand 'cmp' instructions on ppc64
230 # Convert them to 'cmpw' which was previously done silently
231 if verlt
"$kversion" "4.9"; then
232 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/"
233 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/"
234 sed -i "s/\$pie \-o \"\$ofile\"/\$pie --no-dynamic-linker -o \"\$ofile\"/" arch
/powerpc
/boot
/wrapper
237 # Fix a typo in v2.6.36.x
238 if [ -f "arch/x86/kernel/entry_64.S" ]; then
239 sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch
/x86
/kernel
/entry_64.S
242 # Fix compiler switch in vdso Makefile for 2.6.36 to 2.6.36.2
243 if { vergte
"$kversion" "2.6.36" && verlte
"$kversion" "2.6.36.3"; }; then
244 sed -i 's/-m elf_x86_64/-m64/' arch
/x86
/vdso
/Makefile
245 sed -i 's/-m elf_i386/-m32/' arch
/x86
/vdso
/Makefile
248 # Fix kernel < 3.0 with gcc >= 4.7
249 if verlt
"$kversion" "3.0"; then
250 sed -i '/linux\/compiler.h/a #include <linux\/linkage.h> \/* For asmregparm *\/' arch
/x86
/include
/asm
/ptrace.h
251 sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch
/x86
/include
/asm
/ptrace.h
252 sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch
/x86
/include
/asm
/ptrace.h
253 echo "header-y += linkage.h" >> include
/linux
/Kbuild
257 if [ "$HOSTCC" == "gcc-4.8" ]; then
258 scripts
/config
--disable CONFIG_CC_STACKPROTECTOR_STRONG
261 # Don't try to sign modules
262 scripts
/config
--disable CONFIG_MODULE_SIG
264 # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails
265 scripts
/config
--disable CONFIG_STACK_VALIDATION
267 # Cause problems with inline assembly on i386
268 scripts
/config
--disable CONFIG_DEBUG_SECTION_MISMATCH
270 # Don't build samples, they are broken on some kernel releases
271 scripts
/config
--disable CONFIG_SAMPLES
272 scripts
/config
--disable CONFIG_BUILD_DOCSRC
275 scripts
/config
--disable CONFIG_KCOV
277 # Broken on some RT kernels
278 scripts
/config
--disable CONFIG_HYPERV
281 scripts
/config
--disable CONFIG_RAPIDIO_TSI721
282 scripts
/config
--disable CONFIG_SGI_XP
283 scripts
/config
--disable CONFIG_MFD_WM8994
284 scripts
/config
--disable CONFIG_DRM_RADEON
285 scripts
/config
--disable CONFIG_SND_SOC_WM5100
287 # IGBVF won't build with recent gcc on 2.6.38.x
288 if { vergte
"$kversion" "2.6.37" && verlt
"$kversion" "2.6.38"; }; then
289 scripts
/config
--disable CONFIG_IGBVF
292 # Don't fail the build on warnings
293 scripts
/config
--disable CONFIG_WERROR
295 # Set required options
296 scripts
/config
--enable CONFIG_TRACEPOINTS
297 scripts
/config
--enable CONFIG_KALLSYMS
298 scripts
/config
--enable CONFIG_HIGH_RES_TIMERS
299 scripts
/config
--enable CONFIG_KPROBES
300 scripts
/config
--enable CONFIG_FTRACE
301 scripts
/config
--enable CONFIG_BLK_DEV_IO_TRACE
302 scripts
/config
--enable CONFIG_KALLSYMS_ALL
303 scripts
/config
--enable CONFIG_HAVE_SYSCALL_TRACEPOINTS
304 scripts
/config
--enable CONFIG_PERF_EVENTS
305 scripts
/config
--enable CONFIG_EVENT_TRACING
306 scripts
/config
--enable CONFIG_KRETPROBES
311 make "$update_conf_target" CC
="$CC"
312 make -j"$NPROC" CC
="$CC"
314 krelease
=$
(make -s kernelrelease CC
="$CC")
316 # Save the kernel and modules
317 mkdir
-p "$LINUX_INSTOBJ_DIR/boot"
318 make INSTALL_MOD_PATH
="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP
=1 modules_install CC
="$CC"
319 make INSTALL_MOD_PATH
="$LINUX_INSTOBJ_DIR" INSTALL_PATH
="$LINUX_INSTOBJ_DIR/boot" install CC
="$CC"
320 rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build"
321 ln -s ..
/..
/..
/..
/sources
"$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source"
322 ln -s ..
/..
/..
/..
/sources
"$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source"
326 extract_distro_headers
() {
328 # Enter linux source dir
329 cd "${LINUX_SRCOBJ_DIR}"
332 # For RT kernels, copy version file
333 if [ -s localversion-rt
]; then
334 cp -a localversion-rt
"${LINUX_HDROBJ_DIR}"
337 # Copy all Makefile related stuff
338 find .
-path './include/*' -prune \
339 -o -path './scripts/*' -prune -o -type f \
340 \
( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
341 -name '*.sh' -o -name '*.pl' -o -name '*.lds' \
) \
342 -print |
cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
344 # Copy base scripts and include dirs
345 cp -a scripts include
"${LINUX_HDROBJ_DIR}"
348 (find arch
-name include
-type d
-print0 | \
349 xargs -0 -n1 -i: find : -type f
) | \
350 cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
353 (find arch
-name scripts
-type d
-print0 | \
354 xargs -0 -n1 -i: find : -type f
) | \
355 cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}"
358 rm -f "${LINUX_HDROBJ_DIR}/scripts/*.o"
359 rm -f "${LINUX_HDROBJ_DIR}/scripts/*/*.o"
361 # On powerpc 32bits this object is required to link modules
362 if [ "${karch}" = "powerpc" ]; then
363 if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte
"${kversion}" "5.4"; then
366 cp -a --parents arch
/powerpc
/lib
/crtsavres.
[So
] "${LINUX_HDROBJ_DIR}/"
370 # On arm64 between 4.13 and 1.15 this object is required to build with ftrace support
371 if [ "${karch}" = "arm64" ]; then
372 if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then
373 cp -a --parents arch
/arm64
/kernel
/ftrace-mod.
[So
] "${LINUX_HDROBJ_DIR}/"
377 # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y
378 if [ -f tools
/objtool
/objtool
]; then
379 cp -a --parents tools
/objtool
/objtool
"${LINUX_HDROBJ_DIR}/"
382 if [ -f "arch/x86/kernel/macros.s" ]; then
383 cp -a --parents arch
/x86
/kernel
/macros.s
"${LINUX_HDROBJ_DIR}/"
386 # Copy modules related stuff, if available
387 if [ -s Module.symvers
]; then
388 cp Module.symvers
"${LINUX_HDROBJ_DIR}"
391 if [ -s System.map
]; then
392 cp System.map
"${LINUX_HDROBJ_DIR}"
395 if [ -s Module.markers
]; then
396 cp Module.markers
"${LINUX_HDROBJ_DIR}"
400 cp .config
"${LINUX_HDROBJ_DIR}"
402 # Make sure the Makefile and version.h have a matching timestamp so that
403 # external modules can be built
404 if [ -s "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" ]; then
405 touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h"
406 elif [ -s "${LINUX_HDROBJ_DIR}/include/linux/version.h" ]; then
407 touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/linux/version.h"
409 echo "Missing version.h"
412 touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h"
414 # Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
415 if [ ! -f "${LINUX_HDROBJ_DIR}/include/config/auto.conf" ]; then
416 cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf"
419 # Finally clean the object files from the full source tree
422 # And regen the modules support files
423 make modules_prepare CC
="$CC"
425 # On powerpc 32bits this object is required to link modules
426 if [ "${karch}" = "powerpc" ]; then
427 if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte
"${kversion}" "5.4"; then
430 make arch
/powerpc
/lib
/crtsavres.o CC
="$CC"
434 # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support
435 if [ "${karch}" = "arm64" ]; then
436 if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then
437 make arch
/arm64
/kernel
/ftrace-mod.o CC
="$CC"
441 # Version specific tasks
444 # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code
445 ABINUM
="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')"
446 echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include
/generated
/utsrelease.h
447 echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${LINUX_HDROBJ_DIR}/include/generated/utsrelease.h"
459 kversion
=$
(make -C "$LINUX_HDROBJ_DIR" -s kernelversion
)
461 # Try to catch some compatibility problems by turning some
462 # warnings into errors.
463 #export KCFLAGS="$KCFLAGS -Wall -Werror"
465 # Enter lttng-modules source dir
466 cd "${MODULES_GIT_DIR}"
468 # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the
469 # timekeeping subsystem. We want those build to fail.
470 if { vergte
"$kversion" "3.10" && verlte
"$kversion" "3.10.13"; } || \
471 { vergte
"$kversion" "3.11" && verlte
"$kversion" "3.11.2"; }; then
476 KERNELDIR
="${kdir}" make -j"${NPROC}" V
=1 CC
="$CC"
481 # We expect this build to fail, if it doesn't, fail the job.
482 if [ "$ret" -eq 0 ]; then
483 echo "This build should have failed."
487 # We have to publish at least one file or the build will fail
488 echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${outdir}/BROKEN.txt.ko"
490 KERNELDIR
="${kdir}" make clean
494 # Build modules against full kernel sources
495 KERNELDIR
="${kdir}" make -j"${NPROC}" V
=1 CC
="$CC"
497 # Install modules to build dir
498 KERNELDIR
="${kdir}" make INSTALL_MOD_PATH
="${outdir}" modules_install
501 KERNELDIR
="${kdir}" make clean
511 MODULES_GIT_DIR
="${WORKSPACE}/src/lttng-modules"
512 LINUX_GIT_DIR
="${WORKSPACE}/src/linux"
514 LINUX_OBJ_DIR
="${WORKSPACE}/linux"
515 LINUX_SRCOBJ_DIR
="${LINUX_OBJ_DIR}/sources"
516 LINUX_HDROBJ_DIR
="${LINUX_OBJ_DIR}/headers"
517 LINUX_INSTOBJ_DIR
="${LINUX_OBJ_DIR}/install"
519 MODULES_OUTPUT_KSRC_DIR
="${WORKSPACE}/build/lttng-modules-ksrc"
520 MODULES_OUTPUT_KHDR_DIR
="${WORKSPACE}/build/lttng-modules-khdr"
522 LINUX_GIT_REF_REPO_DIR
="$HOME/gitcache/linux-stable.git/"
524 OBJ_STORE_URL
="s3://jenkins"
528 # Create build directories
529 mkdir
-p "${LINUX_SRCOBJ_DIR}" "${LINUX_HDROBJ_DIR}" "${LINUX_INSTOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" "${MODULES_OUTPUT_KHDR_DIR}"
531 git_clone_modules_sources
533 # Setup cross compile env if available
534 if [ "x${cross_arch}" != "x" ]; then
536 case "$cross_arch" in
539 cross_compile
="arm-linux-gnueabihf-"
540 vanilla_config
="imx_v6_v7_defconfig"
541 ubuntu_config
="armhf-config.flavour.generic"
546 cross_compile
="aarch64-linux-gnu-"
547 vanilla_config
="defconfig"
548 ubuntu_config
="arm64-config.flavour.generic"
553 cross_compile
="powerpc-linux-gnu-"
554 vanilla_config
="ppc44x_defconfig"
555 ubuntu_config
="powerpc-config.flavour.powerpc-smp"
560 cross_compile
="powerpc64le-linux-gnu-"
561 vanilla_config
="pseries_le_defconfig"
562 ubuntu_config
="ppc64el-config.flavour.generic"
566 echo "Unsupported cross arch $cross_arch"
571 # Export variables used by Kbuild for cross compilation
572 export ARCH
="${karch}"
573 export CROSS_COMPILE
="${cross_compile}"
575 # Set arch specific values if we are not cross compiling
576 elif [ "x${arch}" != "x" ]; then
581 vanilla_config
="allmodconfig"
582 ubuntu_config
="i386-config.flavour.generic"
587 vanilla_config
="allmodconfig"
588 ubuntu_config
="amd64-config.flavour.generic"
593 vanilla_config
="allmodconfig"
594 ubuntu_config
="armhf-config.flavour.generic"
599 vanilla_config
="allmodconfig"
600 ubuntu_config
="arm64-config.flavour.generic"
605 vanilla_config
="allmodconfig"
606 ubuntu_config
="powerpc-config.flavour.powerpc-smp"
611 vanilla_config
="allmodconfig"
612 ubuntu_config
="ppc64el-config.flavour.generic"
616 echo "Unsupported arch $arch"
621 echo "No arch or cross_arch specified"
627 # First get the kernel build from the object store, or build it, if it's
630 echo "# Setup endpoint
631 host_base = obj.internal.efficios.com
632 host_bucket = obj.internal.efficios.com
633 bucket_location = us-east-1
638 secret_key = echo123456
640 # Enable S3 v4 signature APIs
641 signature_v2 = False" > "$WORKSPACE/.s3cfg"
643 url_hash
="$(echo -n "$kgitrepo" | md5sum | awk '{ print $1 }')"
644 obj_name
="linux.tar.bz2"
646 if [ "x${cross_arch}" = "x" ]; then
647 obj_url_prefix
="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/platform-${platforms}/$arch/native"
649 obj_url_prefix
="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/platform-${platforms}/${cross_arch}"
652 obj_url
="$obj_url_prefix/$obj_name"
655 # In s3cmd 2.3, the return code of get when an object does not exist (64)
656 # is different than in 2.2 (12). The return codes of 's3cmd info' are
657 # consistent between 2.2 and 2.3.
658 s3cmd
-c "$WORKSPACE/.s3cfg" info
"$obj_url"
664 s3cmd
-c "$WORKSPACE/.s3cfg" get
"$obj_url"
669 echo "File not found"
671 # Build all the things and upload
672 # then finish the module build...
674 git_clone_linux_sources
675 git_export_linux_sources
679 ## PREPARE FULL LINUX SOURCE TREE
682 ## EXTRACT DISTRO STYLE KERNEL HEADERS / DEVEL
683 extract_distro_headers
692 echo "Unknown error? Abort"
700 # Either we downloaded a pre-build kernel or we built it and uploaded
701 # the archive for future builds.
705 # Build modules against full kernel sources
706 build_modules
"${LINUX_SRCOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}"
708 # Build modules against kernel headers
709 build_modules
"${LINUX_HDROBJ_DIR}" "${MODULES_OUTPUT_KHDR_DIR}"
711 # Make sure some modules were actually built
712 tree
"${MODULES_OUTPUT_KSRC_DIR}"
713 if [ "x$(find "${MODULES_OUTPUT_KSRC_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
714 echo "No modules built!"
718 tree
"${MODULES_OUTPUT_KHDR_DIR}"
719 if [ "x$(find "${MODULES_OUTPUT_KHDR_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
720 echo "No modules built!"