[lttng-ci.git] / scripts / lttng-modules / param-build.sh

#!/bin/sh -exu
#
# Copyright (C) 2016 - Michael Jeanson <mjeanson@efficios.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

## FUNCTIONS ##

# Kernel version compare functions
verlte() {
    [  "$1" = "`printf '%s\n%s' $1 $2 | sort -V | head -n1`" ]
}

verlt() {
    [ "$1" = "$2" ] && return 1 || verlte $1 $2
}

vergte() {
    [  "$1" = "`printf '%s\n%s' $1 $2 | sort -V | tail -n1`" ]
}

vergt() {
    [ "$1" = "$2" ] && return 1 || vergte $1 $2
}


prepare_lnx_sources() {

    outdir=$1

    if [ "$outdir" = "." ]; then
      koutput=""
    else
      koutput="O=\"${outdir}\""
    fi

    # Generate kernel configuration
    case "$kversion" in
      Ubuntu*)
        fakeroot debian/rules clean
        fakeroot debian/rules genconfigs
        cp CONFIGS/${ubuntu_config} "${outdir}"/.config
        ;;
      *)
        # Que sera sera
        make ${koutput} allyesconfig
        ;;
    esac

    # GCC 4.8
    sed -i "s/CONFIG_CC_STACKPROTECTOR_STRONG=y/# CONFIG_CC_STACKPROTECTOR_STRONG is not set/g" "${outdir}"/.config

    # Don't try to sign modules
    sed -i "s/CONFIG_MODULE_SIG=y/# CONFIG_MODULE_SIG is not set/g" "${outdir}"/.config

    # Enable CONFIG_KALLSYMS_ALL
    echo "CONFIG_KPROBES=y" >> "${outdir}"/.config
    echo "CONFIG_FTRACE=y" >> "${outdir}"/.config
    echo "CONFIG_BLK_DEV_IO_TRACE=y" >> "${outdir}"/.config
    echo "CONFIG_TRACEPOINTS=y" >> "${outdir}"/.config
    echo "CONFIG_KALLSYMS_ALL=y" >> "${outdir}"/.config


    make ${koutput} silentoldconfig
    make ${koutput} modules_prepare

    # Version specific tasks
    case "$kversion" in
      Ubuntu*)
        # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code
        ABINUM=$(echo $kversion | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')
        echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> ${outdir}/include/generated/utsrelease.h
        ;;
    esac

    # On powerpc this object is required to link modules
    if [ "${karch}" = "powerpc" ]; then
        make ${koutput} arch/powerpc/lib/crtsavres.o
    fi
}


build_modules() {

    kdir="$1"
    bdir="$2"

    # Get kernel version from source tree
    cd "${kdir}"
    kversion=$(make kernelversion)

    # Enter lttng-modules source dir
    cd "${LTTSRCDIR}"

    # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the
    # timekeeping subsystem. We want those build to fail.
    if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } || \
       { vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then

        set +e

        # Build modules
        KERNELDIR="${kdir}" make -j${NPROC} V=1

        # We expect this build to fail, if it doesn't, fail the job.
        if [ "$?" -eq 0 ]; then
            exit 1
        fi

        # We have to publish at least one file or the build will fail
        echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${bdir}/BROKEN.txt.ko"

        set -e

        KERNELDIR="${kdir}" make clean

    else # Regular build

        # Build modules against full kernel sources
        KERNELDIR="${kdir}" make -j${NPROC} V=1

        # Install modules to build dir
        KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${bdir}" modules_install

        # Clean build dir
        KERNELDIR="${kdir}" make clean
    fi
}


## MAIN ##

# Use all CPU cores
NPROC=$(nproc)

LTTSRCDIR="${WORKSPACE}/src/lttng-modules"
LNXSRCDIR="${WORKSPACE}/src/linux"

LNXBUILDDIR="${WORKSPACE}/build/linux"
LNXHDRDIR="${WORKSPACE}/build/linux-headers"

LTTBUILDKSRCDIR="${WORKSPACE}/build/lttng-modules-ksrc"
LTTBUILDKHDRDIR="${WORKSPACE}/build/lttng-modules-khdr"


# Setup cross compile env if available
if [ "x${cross_arch:-}" != "x" ]; then

    case "$cross_arch" in
        "armhf")
            karch="arm"
            cross_compile="arm-linux-gnueabihf-"
            ubuntu_config="armhf-config.flavour.generic"
            ;;

        "arm64")
            karch="arm64"
            cross_compile="aarch64-linux-gnu-"
            ubuntu_config="arm64-config.flavour.generic"
            ;;

        "powerpc")
            karch="powerpc"
            cross_compile="powerpc-linux-gnu-"
            ubuntu_config="powerpc-config.flavour.powerpc-smp"
            ;;

        "ppc64el")
            karch="powerpc"
            cross_compile="powerpc64le-linux-gnu-"
            ubuntu_config="ppc64el-config.flavour.generic"
            ;;

        *)
            echo "Unsupported cross arch $arch"
            exit 1
            ;;
    esac

    # Export variables used by Kbuild for cross compilation
    export ARCH="${karch}"
    export CROSS_COMPILE="${cross_compile}"


# Set arch specific values if we are not cross compiling
elif [ "x${arch:-}" != "x" ]; then
    case "$arch" in
        "x86-32")
            karch="x86"
            ubuntu_config="i386-config.flavour.generic"
            ;;

        "x86-64")
            karch="x86"
            ubuntu_config="amd64-config.flavour.generic"
            ;;

        "armhf")
            karch="arm"
            ubuntu_config="armhf-config.flavour.generic"
            ;;

        "arm64")
            karch="arm64"
            ubuntu_config="arm64-config.flavour.generic"
            ;;

        "powerpc")
            karch="powerpc"
            ubuntu_config="powerpc-config.flavour.powerpc-smp"
            ;;

        "ppc64el")
            karch="powerpc"
            ubuntu_config="ppc64el-config.flavour.generic"
            ;;

        *)
            echo "Unsupported arch $arch"
            exit 1
            ;;
    esac
else
    echo "Not arch or cross_arch specified"
    exit 1
fi


# Create build directories
mkdir -p "${LNXBUILDDIR}" "${LNXHDRDIR}" "${LTTBUILDKSRCDIR}" "${LTTBUILDKHDRDIR}"


## PREPARE DISTRO STYLE KERNEL HEADERS / DEVEL

# Enter linux source dir
cd "${LNXSRCDIR}"

prepare_lnx_sources "."

# For RT kernels, copy version file
if [ -s localversion-rt ]; then
    cp -a localversion-rt "${LNXHDRDIR}"
fi

# Copy all Makefile related stuff
find . -path './include/*' -prune \
    -o -path './scripts/*' -prune -o -type f \
	\( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
        -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \
    -print | cpio -pd --preserve-modification-time "${LNXHDRDIR}"

# Copy base scripts and include dirs
cp -a scripts include "${LNXHDRDIR}"

# Copy arch includes
(find arch -name include -type d -print | \
    xargs -n1 -i: find : -type f) | \
	cpio -pd --preserve-modification-time "${LNXHDRDIR}"

# Copy arch scripts
(find arch -name scripts -type d -print | \
    xargs -n1 -i: find : -type f) | \
	cpio -pd --preserve-modification-time "${LNXHDRDIR}"

# Cleanup scripts
rm -f "${LNXHDRDIR}/scripts/*.o"
rm -f "${LNXHDRDIR}/scripts/*/*.o"

# On powerpc this object is required to link modules
if [ "${karch}" = "powerpc" ]; then
    cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LNXHDRDIR}/"
fi

# Copy modules related stuff, if available
if [ -s Module.symvers ]; then
    cp Module.symvers "${LNXHDRDIR}"
fi

if [ -s System.map ]; then
    cp System.map "${LNXHDRDIR}"
fi

if [ -s Module.markers ]; then
    cp Module.markers "${LNXHDRDIR}"
fi

# Copy config file
cp .config "${LNXHDRDIR}"

# Make sure the Makefile and version.h have a matching timestamp so that
# external modules can be built
if [ -s "${LNXHDRDIR}/include/generated/uapi/linux/version.h" ]; then
    touch -r "${LNXHDRDIR}/Makefile" "${LNXHDRDIR}/include/generated/uapi/linux/version.h"
elif [ -s "${LNXHDRDIR}/include/linux/version.h" ]; then
    touch -r "${LNXHDRDIR}/Makefile" "${LNXHDRDIR}/include/linux/version.h"
else
    echo "Missing version.h"
    exit 1
fi
touch -r "${LNXHDRDIR}/.config" "${LNXHDRDIR}/include/generated/autoconf.h"

# Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
cp "${LNXHDRDIR}/.config" "${LNXHDRDIR}/include/config/auto.conf"


## PREPARE FULL LINUX SOURCE TREE

# Enter linux source dir
cd "${LNXSRCDIR}"

# Make sure linux source dir is clean
git clean -xdf

prepare_lnx_sources "${LNXBUILDDIR}"


## BUILD modules

# Build modules against full kernel sources
build_modules "${LNXBUILDDIR}" "${LTTBUILDKSRCDIR}"

# Build modules against kernel headers
build_modules "${LNXHDRDIR}" "${LTTBUILDKHDRDIR}"

# Make sure modules were built
tree "${LTTBUILDKSRCDIR}"
if [ "x$(find "${LTTBUILDKSRCDIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
  echo "No modules built!"
  exit 1
fi

tree "${LTTBUILDKHDRDIR}"
if [ "x$(find "${LTTBUILDKHDRDIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then
  echo "No modules built!"
  exit 1
fi

# EOF
Commit	Line	Data
f3d8604b MJ	1	#!/bin/sh -exu
	2	#
	3	# Copyright (C) 2016 - 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
339db64d MJ	18	## FUNCTIONS ##
339db64d MJ	19
f3d8604b MJ	20	# Kernel version compare functions
	21	verlte() {
	22	[ "$1" = "`printf '%s\n%s' $1 $2 \| sort -V \| head -n1`" ]
	23	}
	24
	25	verlt() {
	26	[ "$1" = "$2" ] && return 1 \|\| verlte $1 $2
	27	}
	28
	29	vergte() {
	30	[ "$1" = "`printf '%s\n%s' $1 $2 \| sort -V \| tail -n1`" ]
	31	}
	32
	33	vergt() {
	34	[ "$1" = "$2" ] && return 1 \|\| vergte $1 $2
	35	}
	36
339db64d	37
7e02032c MJ	38	prepare_lnx_sources() {
	39
	40	outdir=$1
	41
	42	if [ "$outdir" = "." ]; then
	43	koutput=""
	44	else
	45	koutput="O=\"${outdir}\""
	46	fi
	47
	48	# Generate kernel configuration
	49	case "$kversion" in
	50	Ubuntu*)
	51	fakeroot debian/rules clean
	52	fakeroot debian/rules genconfigs
	53	cp CONFIGS/${ubuntu_config} "${outdir}"/.config
	54	;;
	55	*)
a822250c MJ	56	# Que sera sera
a822250c MJ	57	make ${koutput} allyesconfig
7e02032c MJ	58	;;
	59	esac
	60
	61	# GCC 4.8
	62	sed -i "s/CONFIG_CC_STACKPROTECTOR_STRONG=y/# CONFIG_CC_STACKPROTECTOR_STRONG is not set/g" "${outdir}"/.config
	63
	64	# Don't try to sign modules
	65	sed -i "s/CONFIG_MODULE_SIG=y/# CONFIG_MODULE_SIG is not set/g" "${outdir}"/.config
	66
	67	# Enable CONFIG_KALLSYMS_ALL
	68	echo "CONFIG_KPROBES=y" >> "${outdir}"/.config
	69	echo "CONFIG_FTRACE=y" >> "${outdir}"/.config
	70	echo "CONFIG_BLK_DEV_IO_TRACE=y" >> "${outdir}"/.config
	71	echo "CONFIG_TRACEPOINTS=y" >> "${outdir}"/.config
	72	echo "CONFIG_KALLSYMS_ALL=y" >> "${outdir}"/.config
	73
	74
	75	make ${koutput} silentoldconfig
	76	make ${koutput} modules_prepare
	77
	78	# Version specific tasks
	79	case "$kversion" in
	80	Ubuntu*)
	81	# Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code
	82	ABINUM=$(echo $kversion \| grep -P -o 'Ubuntu-(lts-)?.-\K\d+(?=\..)')
	83	echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> ${outdir}/include/generated/utsrelease.h
	84	;;
	85	esac
	86
	87	# On powerpc this object is required to link modules
	88	if [ "${karch}" = "powerpc" ]; then
	89	make ${koutput} arch/powerpc/lib/crtsavres.o
	90	fi
	91	}
	92
	93
	94
339db64d MJ	95	build_modules() {
	96
	97	kdir="$1"
	98	bdir="$2"
	99
	100	# Get kernel version from source tree
	101	cd "${kdir}"
	102	kversion=$(make kernelversion)
	103
	104	# Enter lttng-modules source dir
	105	cd "${LTTSRCDIR}"
	106
	107	# kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the
	108	# timekeeping subsystem. We want those build to fail.
	109	if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } \|\| \
	110	{ vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then
	111
	112	set +e
	113
	114	# Build modules
	115	KERNELDIR="${kdir}" make -j${NPROC} V=1
	116
	117	# We expect this build to fail, if it doesn't, fail the job.
	118	if [ "$?" -eq 0 ]; then
	119	exit 1
	120	fi
	121
	122	# We have to publish at least one file or the build will fail
7e02032c	123	echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${bdir}/BROKEN.txt.ko"
339db64d MJ	124
	125	set -e
	126
7e02032c MJ	127	KERNELDIR="${kdir}" make clean
7e02032c MJ	128
339db64d MJ	129	else # Regular build
	130
	131	# Build modules against full kernel sources
	132	KERNELDIR="${kdir}" make -j${NPROC} V=1
	133
	134	# Install modules to build dir
	135	KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${bdir}" modules_install
	136
	137	# Clean build dir
	138	KERNELDIR="${kdir}" make clean
	139	fi
	140	}
	141
	142
	143	## MAIN ##
	144
f3d8604b MJ	145	# Use all CPU cores
	146	NPROC=$(nproc)
	147
339db64d MJ	148	LTTSRCDIR="${WORKSPACE}/src/lttng-modules"
	149	LNXSRCDIR="${WORKSPACE}/src/linux"
	150
	151	LNXBUILDDIR="${WORKSPACE}/build/linux"
	152	LNXHDRDIR="${WORKSPACE}/build/linux-headers"
	153
a822250c	154	LTTBUILDKSRCDIR="${WORKSPACE}/build/lttng-modules-ksrc"
339db64d MJ	155	LTTBUILDKHDRDIR="${WORKSPACE}/build/lttng-modules-khdr"
	156
	157
7e02032c MJ	158	# Setup cross compile env if available
	159	if [ "x${cross_arch:-}" != "x" ]; then
	160
	161	case "$cross_arch" in
	162	"armhf")
	163	karch="arm"
	164	cross_compile="arm-linux-gnueabihf-"
	165	ubuntu_config="armhf-config.flavour.generic"
	166	;;
	167
	168	"arm64")
	169	karch="arm64"
	170	cross_compile="aarch64-linux-gnu-"
	171	ubuntu_config="arm64-config.flavour.generic"
	172	;;
	173
	174	"powerpc")
	175	karch="powerpc"
	176	cross_compile="powerpc-linux-gnu-"
	177	ubuntu_config="powerpc-config.flavour.powerpc-smp"
	178	;;
	179
	180	"ppc64el")
	181	karch="powerpc"
	182	cross_compile="powerpc64le-linux-gnu-"
	183	ubuntu_config="ppc64el-config.flavour.generic"
	184	;;
	185
	186	*)
	187	echo "Unsupported cross arch $arch"
	188	exit 1
	189	;;
	190	esac
339db64d	191
7e02032c MJ	192	# Export variables used by Kbuild for cross compilation
	193	export ARCH="${karch}"
	194	export CROSS_COMPILE="${cross_compile}"
339db64d	195
339db64d	196
7e02032c MJ	197	# Set arch specific values if we are not cross compiling
	198	elif [ "x${arch:-}" != "x" ]; then
	199	case "$arch" in
	200	"x86-32")
	201	karch="x86"
	202	ubuntu_config="i386-config.flavour.generic"
	203	;;
	204
	205	"x86-64")
	206	karch="x86"
	207	ubuntu_config="amd64-config.flavour.generic"
	208	;;
	209
	210	"armhf")
	211	karch="arm"
	212	ubuntu_config="armhf-config.flavour.generic"
	213	;;
	214
	215	"arm64")
	216	karch="arm64"
	217	ubuntu_config="arm64-config.flavour.generic"
	218	;;
	219
	220	"powerpc")
	221	karch="powerpc"
	222	ubuntu_config="powerpc-config.flavour.powerpc-smp"
	223	;;
	224
	225	"ppc64el")
	226	karch="powerpc"
	227	ubuntu_config="ppc64el-config.flavour.generic"
	228	;;
	229
	230	*)
	231	echo "Unsupported arch $arch"
	232	exit 1
	233	;;
	234	esac
	235	else
	236	echo "Not arch or cross_arch specified"
	237	exit 1
	238	fi
339db64d	239
339db64d	240
b214d997	241
339db64d MJ	242
339db64d MJ	243	# Create build directories
a822250c	244	mkdir -p "${LNXBUILDDIR}" "${LNXHDRDIR}" "${LTTBUILDKSRCDIR}" "${LTTBUILDKHDRDIR}"
7e02032c	245
339db64d MJ	246
	247
	248	## PREPARE DISTRO STYLE KERNEL HEADERS / DEVEL
	249
	250	# Enter linux source dir
	251	cd "${LNXSRCDIR}"
	252
7e02032c	253	prepare_lnx_sources "."
339db64d	254
b214d997 MJ	255	# For RT kernels, copy version file
	256	if [ -s localversion-rt ]; then
	257	cp -a localversion-rt "${LNXHDRDIR}"
339db64d MJ	258	fi
339db64d MJ	259
b214d997 MJ	260	# Copy all Makefile related stuff
	261	find . -path './include/*' -prune \
	262	-o -path './scripts/*' -prune -o -type f \
	263	\( -name 'Makefile' -o -name 'Kconfig' -o -name 'Kbuild*' -o \
	264	-name '.sh' -o -name '.pl' -o -name '*.lds' \) \
	265	-print \| cpio -pd --preserve-modification-time "${LNXHDRDIR}"
339db64d	266
b214d997 MJ	267	# Copy base scripts and include dirs
b214d997 MJ	268	cp -a scripts include "${LNXHDRDIR}"
339db64d	269
b214d997 MJ	270	# Copy arch includes
	271	(find arch -name include -type d -print \| \
	272	xargs -n1 -i: find : -type f) \| \
	273	cpio -pd --preserve-modification-time "${LNXHDRDIR}"
339db64d	274
b214d997 MJ	275	# Copy arch scripts
	276	(find arch -name scripts -type d -print \| \
	277	xargs -n1 -i: find : -type f) \| \
	278	cpio -pd --preserve-modification-time "${LNXHDRDIR}"
339db64d	279
b214d997	280	# Cleanup scripts
339db64d MJ	281	rm -f "${LNXHDRDIR}/scripts/*.o"
	282	rm -f "${LNXHDRDIR}/scripts//.o"
	283
b214d997	284	# On powerpc this object is required to link modules
339db64d MJ	285	if [ "${karch}" = "powerpc" ]; then
	286	cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LNXHDRDIR}/"
	287	fi
	288
b214d997 MJ	289	# Copy modules related stuff, if available
	290	if [ -s Module.symvers ]; then
	291	cp Module.symvers "${LNXHDRDIR}"
	292	fi
	293
	294	if [ -s System.map ]; then
	295	cp System.map "${LNXHDRDIR}"
	296	fi
	297
	298	if [ -s Module.markers ]; then
	299	cp Module.markers "${LNXHDRDIR}"
339db64d MJ	300	fi
339db64d MJ	301
b214d997 MJ	302	# Copy config file
b214d997 MJ	303	cp .config "${LNXHDRDIR}"
339db64d MJ	304
	305	# Make sure the Makefile and version.h have a matching timestamp so that
	306	# external modules can be built
	307	if [ -s "${LNXHDRDIR}/include/generated/uapi/linux/version.h" ]; then
	308	touch -r "${LNXHDRDIR}/Makefile" "${LNXHDRDIR}/include/generated/uapi/linux/version.h"
	309	elif [ -s "${LNXHDRDIR}/include/linux/version.h" ]; then
	310	touch -r "${LNXHDRDIR}/Makefile" "${LNXHDRDIR}/include/linux/version.h"
	311	else
	312	echo "Missing version.h"
	313	exit 1
	314	fi
	315	touch -r "${LNXHDRDIR}/.config" "${LNXHDRDIR}/include/generated/autoconf.h"
	316
	317	# Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
	318	cp "${LNXHDRDIR}/.config" "${LNXHDRDIR}/include/config/auto.conf"
	319
	320
	321
	322
	323	## PREPARE FULL LINUX SOURCE TREE
f3d8604b MJ	324
	325	# Enter linux source dir
	326	cd "${LNXSRCDIR}"
	327
339db64d	328	# Make sure linux source dir is clean
7e02032c	329	git clean -xdf
f3d8604b	330
7e02032c	331	prepare_lnx_sources "${LNXBUILDDIR}"
b214d997	332
f3d8604b	333
7e02032c	334	## BUILD modules
f3d8604b	335
339db64d	336	# Build modules against full kernel sources
a822250c	337	build_modules "${LNXBUILDDIR}" "${LTTBUILDKSRCDIR}"
f3d8604b	338
339db64d MJ	339	# Build modules against kernel headers
339db64d MJ	340	build_modules "${LNXHDRDIR}" "${LTTBUILDKHDRDIR}"
f3d8604b	341
b214d997	342	# Make sure modules were built
a822250c MJ	343	tree "${LTTBUILDKSRCDIR}"
a822250c MJ	344	if [ "x$(find "${LTTBUILDKSRCDIR}" -name '.ko' -printf yes -quit)" != "xyes" ]; then
7e02032c MJ	345	echo "No modules built!"
	346	exit 1
	347	fi
	348
a822250c MJ	349	tree "${LTTBUILDKHDRDIR}"
a822250c MJ	350	if [ "x$(find "${LTTBUILDKHDRDIR}" -name '.ko' -printf yes -quit)" != "xyes" ]; then
7e02032c MJ	351	echo "No modules built!"
	352	exit 1
	353	fi
b214d997	354
f3d8604b	355	# EOF