[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} ${vanilla_config} CC=$CC
        ;;
    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

    # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails
    sed -i "s/CONFIG_STACK_VALIDATION=y/# CONFIG_STACK_VALIDATION 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} $oldconf_target CC=$CC
    make ${koutput} modules_prepare CC=$CC

    # 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 ${koutput} arch/powerpc/lib/crtsavres.o CC=$CC
    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 CC=$CC

        # We expect this build to fail, if it doesn't, fail the job.
        if [ "$?" -eq 0 ]; then
            echo "This build should have failed."
            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="${kdir}" make clean CC=$CC

    else # Regular build

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

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

        # Clean build dir
        KERNELDIR="${kdir}" make clean CC=$CC
    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-"
            vanilla_config="allyesconfig"
            ubuntu_config="armhf-config.flavour.generic"
            ;;

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

        "powerpc")
            karch="powerpc"
            cross_compile="powerpc-linux-gnu-"
            vanilla_config="ppc44x_defconfig"
            ubuntu_config="powerpc-config.flavour.powerpc-smp"
            ;;

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

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

    # Use default gcc when cross-compiling
    CC="${cross_compile}gcc"

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

    oldconf_target="olddefconfig"

# Set arch specific values if we are not cross compiling
elif [ "x${arch:-}" != "x" ]; then

    case "$arch" in
        "x86-32")
            karch="x86"
            vanilla_config="allyesconfig"
            ubuntu_config="i386-config.flavour.generic"
            ;;

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

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

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

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

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

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

    # Use gcc 4.9, older kernel don't build with gcc 5
    CC=gcc-4.9

    oldconf_target="silentoldconfig"

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	56	# Que sera sera
e9b44189	57	make ${koutput} ${vanilla_config} CC=$CC
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
9ef18fa2 MJ	67	# Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails
	68	sed -i "s/CONFIG_STACK_VALIDATION=y/# CONFIG_STACK_VALIDATION is not set/g" "${outdir}"/.config
	69
7e02032c MJ	70	# Enable CONFIG_KALLSYMS_ALL
	71	echo "CONFIG_KPROBES=y" >> "${outdir}"/.config
	72	echo "CONFIG_FTRACE=y" >> "${outdir}"/.config
	73	echo "CONFIG_BLK_DEV_IO_TRACE=y" >> "${outdir}"/.config
	74	echo "CONFIG_TRACEPOINTS=y" >> "${outdir}"/.config
	75	echo "CONFIG_KALLSYMS_ALL=y" >> "${outdir}"/.config
	76
	77
e0552fd7	78	make ${koutput} $oldconf_target CC=$CC
e6416ee0	79	make ${koutput} modules_prepare CC=$CC
7e02032c MJ	80
	81	# Version specific tasks
	82	case "$kversion" in
	83	Ubuntu*)
	84	# Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code
	85	ABINUM=$(echo $kversion \| grep -P -o 'Ubuntu-(lts-)?.-\K\d+(?=\..)')
	86	echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> ${outdir}/include/generated/utsrelease.h
	87	;;
	88	esac
	89
	90	# On powerpc this object is required to link modules
	91	if [ "${karch}" = "powerpc" ]; then
e6416ee0	92	make ${koutput} arch/powerpc/lib/crtsavres.o CC=$CC
7e02032c MJ	93	fi
	94	}
	95
	96
	97
339db64d MJ	98	build_modules() {
	99
	100	kdir="$1"
	101	bdir="$2"
	102
	103	# Get kernel version from source tree
	104	cd "${kdir}"
	105	kversion=$(make kernelversion)
	106
	107	# Enter lttng-modules source dir
	108	cd "${LTTSRCDIR}"
	109
	110	# kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the
	111	# timekeeping subsystem. We want those build to fail.
	112	if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } \|\| \
	113	{ vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then
	114
	115	set +e
	116
	117	# Build modules
e6416ee0	118	KERNELDIR="${kdir}" make -j${NPROC} V=1 CC=$CC
339db64d MJ	119
	120	# We expect this build to fail, if it doesn't, fail the job.
	121	if [ "$?" -eq 0 ]; then
e9b44189	122	echo "This build should have failed."
339db64d MJ	123	exit 1
	124	fi
	125
	126	# We have to publish at least one file or the build will fail
7e02032c	127	echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${bdir}/BROKEN.txt.ko"
339db64d MJ	128
	129	set -e
	130
e6416ee0	131	KERNELDIR="${kdir}" make clean CC=$CC
7e02032c	132
339db64d MJ	133	else # Regular build
	134
	135	# Build modules against full kernel sources
e6416ee0	136	KERNELDIR="${kdir}" make -j${NPROC} V=1 CC=$CC
339db64d MJ	137
339db64d MJ	138	# Install modules to build dir
e6416ee0	139	KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${bdir}" modules_install CC=$CC
339db64d MJ	140
339db64d MJ	141	# Clean build dir
e6416ee0	142	KERNELDIR="${kdir}" make clean CC=$CC
339db64d MJ	143	fi
	144	}
	145
	146
	147	## MAIN ##
	148
f3d8604b MJ	149	# Use all CPU cores
	150	NPROC=$(nproc)
	151
339db64d MJ	152	LTTSRCDIR="${WORKSPACE}/src/lttng-modules"
	153	LNXSRCDIR="${WORKSPACE}/src/linux"
	154
	155	LNXBUILDDIR="${WORKSPACE}/build/linux"
	156	LNXHDRDIR="${WORKSPACE}/build/linux-headers"
	157
a822250c	158	LTTBUILDKSRCDIR="${WORKSPACE}/build/lttng-modules-ksrc"
339db64d MJ	159	LTTBUILDKHDRDIR="${WORKSPACE}/build/lttng-modules-khdr"
	160
	161
7e02032c MJ	162	# Setup cross compile env if available
	163	if [ "x${cross_arch:-}" != "x" ]; then
	164
	165	case "$cross_arch" in
	166	"armhf")
	167	karch="arm"
	168	cross_compile="arm-linux-gnueabihf-"
e9b44189	169	vanilla_config="allyesconfig"
7e02032c MJ	170	ubuntu_config="armhf-config.flavour.generic"
	171	;;
	172
	173	"arm64")
	174	karch="arm64"
	175	cross_compile="aarch64-linux-gnu-"
e9b44189	176	vanilla_config="allyesconfig"
7e02032c MJ	177	ubuntu_config="arm64-config.flavour.generic"
	178	;;
	179
	180	"powerpc")
	181	karch="powerpc"
	182	cross_compile="powerpc-linux-gnu-"
e9b44189	183	vanilla_config="ppc44x_defconfig"
7e02032c MJ	184	ubuntu_config="powerpc-config.flavour.powerpc-smp"
	185	;;
	186
	187	"ppc64el")
	188	karch="powerpc"
	189	cross_compile="powerpc64le-linux-gnu-"
e9b44189	190	vanilla_config="pseries_le_defconfig"
7e02032c MJ	191	ubuntu_config="ppc64el-config.flavour.generic"
	192	;;
	193
	194	*)
	195	echo "Unsupported cross arch $arch"
	196	exit 1
	197	;;
	198	esac
339db64d	199
e9b44189 MJ	200	# Use default gcc when cross-compiling
	201	CC="${cross_compile}gcc"
	202
7e02032c MJ	203	# Export variables used by Kbuild for cross compilation
	204	export ARCH="${karch}"
	205	export CROSS_COMPILE="${cross_compile}"
339db64d	206
e0552fd7 MJ	207	oldconf_target="olddefconfig"
e0552fd7 MJ	208
7e02032c MJ	209	# Set arch specific values if we are not cross compiling
7e02032c MJ	210	elif [ "x${arch:-}" != "x" ]; then
e9b44189	211
7e02032c MJ	212	case "$arch" in
	213	"x86-32")
	214	karch="x86"
e9b44189	215	vanilla_config="allyesconfig"
7e02032c MJ	216	ubuntu_config="i386-config.flavour.generic"
	217	;;
	218
	219	"x86-64")
	220	karch="x86"
e9b44189	221	vanilla_config="allyesconfig"
7e02032c MJ	222	ubuntu_config="amd64-config.flavour.generic"
	223	;;
	224
	225	"armhf")
	226	karch="arm"
e9b44189	227	vanilla_config="allyesconfig"
7e02032c MJ	228	ubuntu_config="armhf-config.flavour.generic"
	229	;;
	230
	231	"arm64")
	232	karch="arm64"
e9b44189	233	vanilla_config="allyesconfig"
7e02032c MJ	234	ubuntu_config="arm64-config.flavour.generic"
	235	;;
	236
	237	"powerpc")
	238	karch="powerpc"
e9b44189	239	vanilla_config="allyesconfig"
7e02032c MJ	240	ubuntu_config="powerpc-config.flavour.powerpc-smp"
	241	;;
	242
	243	"ppc64el")
	244	karch="powerpc"
e9b44189	245	vanilla_config="allyesconfig"
7e02032c MJ	246	ubuntu_config="ppc64el-config.flavour.generic"
	247	;;
	248
	249	*)
	250	echo "Unsupported arch $arch"
	251	exit 1
	252	;;
	253	esac
e9b44189 MJ	254
	255	# Use gcc 4.9, older kernel don't build with gcc 5
	256	CC=gcc-4.9
	257
e0552fd7 MJ	258	oldconf_target="silentoldconfig"
e0552fd7 MJ	259
7e02032c MJ	260	else
	261	echo "Not arch or cross_arch specified"
	262	exit 1
	263	fi
339db64d	264
339db64d	265
b214d997	266
339db64d MJ	267
339db64d MJ	268	# Create build directories
a822250c	269	mkdir -p "${LNXBUILDDIR}" "${LNXHDRDIR}" "${LTTBUILDKSRCDIR}" "${LTTBUILDKHDRDIR}"
7e02032c	270
339db64d MJ	271
	272
	273	## PREPARE DISTRO STYLE KERNEL HEADERS / DEVEL
	274
	275	# Enter linux source dir
	276	cd "${LNXSRCDIR}"
	277
7e02032c	278	prepare_lnx_sources "."
339db64d	279
b214d997 MJ	280	# For RT kernels, copy version file
	281	if [ -s localversion-rt ]; then
	282	cp -a localversion-rt "${LNXHDRDIR}"
339db64d MJ	283	fi
339db64d MJ	284
b214d997 MJ	285	# Copy all Makefile related stuff
	286	find . -path './include/*' -prune \
	287	-o -path './scripts/*' -prune -o -type f \
	288	\( -name 'Makefile' -o -name 'Kconfig' -o -name 'Kbuild*' -o \
	289	-name '.sh' -o -name '.pl' -o -name '*.lds' \) \
	290	-print \| cpio -pd --preserve-modification-time "${LNXHDRDIR}"
339db64d	291
b214d997 MJ	292	# Copy base scripts and include dirs
b214d997 MJ	293	cp -a scripts include "${LNXHDRDIR}"
339db64d	294
b214d997 MJ	295	# Copy arch includes
	296	(find arch -name include -type d -print \| \
	297	xargs -n1 -i: find : -type f) \| \
	298	cpio -pd --preserve-modification-time "${LNXHDRDIR}"
339db64d	299
b214d997 MJ	300	# Copy arch scripts
	301	(find arch -name scripts -type d -print \| \
	302	xargs -n1 -i: find : -type f) \| \
	303	cpio -pd --preserve-modification-time "${LNXHDRDIR}"
339db64d	304
b214d997	305	# Cleanup scripts
339db64d MJ	306	rm -f "${LNXHDRDIR}/scripts/*.o"
	307	rm -f "${LNXHDRDIR}/scripts//.o"
	308
b214d997	309	# On powerpc this object is required to link modules
339db64d MJ	310	if [ "${karch}" = "powerpc" ]; then
	311	cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LNXHDRDIR}/"
	312	fi
	313
b214d997 MJ	314	# Copy modules related stuff, if available
	315	if [ -s Module.symvers ]; then
	316	cp Module.symvers "${LNXHDRDIR}"
	317	fi
	318
	319	if [ -s System.map ]; then
	320	cp System.map "${LNXHDRDIR}"
	321	fi
	322
	323	if [ -s Module.markers ]; then
	324	cp Module.markers "${LNXHDRDIR}"
339db64d MJ	325	fi
339db64d MJ	326
b214d997 MJ	327	# Copy config file
b214d997 MJ	328	cp .config "${LNXHDRDIR}"
339db64d MJ	329
	330	# Make sure the Makefile and version.h have a matching timestamp so that
	331	# external modules can be built
	332	if [ -s "${LNXHDRDIR}/include/generated/uapi/linux/version.h" ]; then
	333	touch -r "${LNXHDRDIR}/Makefile" "${LNXHDRDIR}/include/generated/uapi/linux/version.h"
	334	elif [ -s "${LNXHDRDIR}/include/linux/version.h" ]; then
	335	touch -r "${LNXHDRDIR}/Makefile" "${LNXHDRDIR}/include/linux/version.h"
	336	else
	337	echo "Missing version.h"
	338	exit 1
	339	fi
	340	touch -r "${LNXHDRDIR}/.config" "${LNXHDRDIR}/include/generated/autoconf.h"
	341
	342	# Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
	343	cp "${LNXHDRDIR}/.config" "${LNXHDRDIR}/include/config/auto.conf"
	344
	345
	346
	347
	348	## PREPARE FULL LINUX SOURCE TREE
f3d8604b MJ	349
	350	# Enter linux source dir
	351	cd "${LNXSRCDIR}"
	352
339db64d	353	# Make sure linux source dir is clean
7e02032c	354	git clean -xdf
f3d8604b	355
7e02032c	356	prepare_lnx_sources "${LNXBUILDDIR}"
b214d997	357
f3d8604b	358
7e02032c	359	## BUILD modules
f3d8604b	360
339db64d	361	# Build modules against full kernel sources
a822250c	362	build_modules "${LNXBUILDDIR}" "${LTTBUILDKSRCDIR}"
f3d8604b	363
339db64d MJ	364	# Build modules against kernel headers
339db64d MJ	365	build_modules "${LNXHDRDIR}" "${LTTBUILDKHDRDIR}"
f3d8604b	366
b214d997	367	# Make sure modules were built
a822250c MJ	368	tree "${LTTBUILDKSRCDIR}"
a822250c MJ	369	if [ "x$(find "${LTTBUILDKSRCDIR}" -name '.ko' -printf yes -quit)" != "xyes" ]; then
7e02032c MJ	370	echo "No modules built!"
	371	exit 1
	372	fi
	373
a822250c MJ	374	tree "${LTTBUILDKHDRDIR}"
a822250c MJ	375	if [ "x$(find "${LTTBUILDKHDRDIR}" -name '.ko' -printf yes -quit)" != "xyes" ]; then
7e02032c MJ	376	echo "No modules built!"
	377	exit 1
	378	fi
b214d997	379
f3d8604b	380	# EOF