| 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 | |
| 18 | # Kernel version compare functions |
| 19 | verlte() { |
| 20 | [ "$1" = "`printf '%s\n%s' $1 $2 | sort -V | head -n1`" ] |
| 21 | } |
| 22 | |
| 23 | verlt() { |
| 24 | [ "$1" = "$2" ] && return 1 || verlte $1 $2 |
| 25 | } |
| 26 | |
| 27 | vergte() { |
| 28 | [ "$1" = "`printf '%s\n%s' $1 $2 | sort -V | tail -n1`" ] |
| 29 | } |
| 30 | |
| 31 | vergt() { |
| 32 | [ "$1" = "$2" ] && return 1 || vergte $1 $2 |
| 33 | } |
| 34 | |
| 35 | # Use all CPU cores |
| 36 | NPROC=$(nproc) |
| 37 | |
| 38 | SRCDIR="${WORKSPACE}/lttng-modules" |
| 39 | BUILDDIR="${WORKSPACE}/build" |
| 40 | LNXSRCDIR="${WORKSPACE}/linux" |
| 41 | LNXBUILDDIR="${WORKSPACE}/linux-build" |
| 42 | |
| 43 | # Create build directory |
| 44 | mkdir -p "${BUILDDIR}" "${LNXBUILDDIR}" |
| 45 | |
| 46 | # Enter linux source dir |
| 47 | cd "${LNXSRCDIR}" |
| 48 | |
| 49 | # Prepare linux sources for modules OOT build |
| 50 | make O="${LNXBUILDDIR}" defconfig |
| 51 | |
| 52 | # Enable CONFIG_KALLSYMS_ALL |
| 53 | sed -i "s/# CONFIG_KALLSYMS_ALL is not set/CONFIG_KALLSYMS_ALL=y/g" "${LNXBUILDDIR}"/.config |
| 54 | |
| 55 | # Build to out of tree dir |
| 56 | make O="${LNXBUILDDIR}" modules_prepare |
| 57 | |
| 58 | case "$kversion" in |
| 59 | Ubuntu*) |
| 60 | #fakeroot debian/rules clean |
| 61 | #fakeroot debian/rules genconfigs |
| 62 | #cp CONFIGS/amd64-config.flavour.generic .config |
| 63 | |
| 64 | # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code |
| 65 | ABINUM=$(echo $kversion | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)') |
| 66 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> ${LNXBUILDDIR}/include/generated/utsrelease.h |
| 67 | ;; |
| 68 | esac |
| 69 | |
| 70 | # Get kernel version from source tree |
| 71 | cd "${LNXBUILDDIR}" |
| 72 | KVERSION=$(make kernelversion) |
| 73 | |
| 74 | # Enter source dir |
| 75 | cd "${SRCDIR}" |
| 76 | |
| 77 | # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the |
| 78 | # timekeeping subsystem. We want those build to fail. |
| 79 | if { vergte "$KVERSION" "3.10" && verlte "$KVERSION" "3.10.13"; } || \ |
| 80 | { vergte "$KVERSION" "3.11" && verlte "$KVERSION" "3.11.2"; }; then |
| 81 | |
| 82 | set +e |
| 83 | |
| 84 | # Build modules |
| 85 | make -j${NPROC} -C "${LNXBUILDDIR}" M="$(pwd)" V=1 CONFIG_LTTNG=m |
| 86 | |
| 87 | # We expect this build to fail, if it doesn't, fail the job. |
| 88 | if [ "$?" -eq 0 ]; then |
| 89 | exit 1 |
| 90 | fi |
| 91 | |
| 92 | # We have to publish at least one file or the build will fail |
| 93 | echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${BUILDDIR}/BROKEN.txt" |
| 94 | |
| 95 | set -e |
| 96 | |
| 97 | else # Regular build |
| 98 | |
| 99 | # Build modules |
| 100 | make -j${NPROC} -C "${LNXBUILDDIR}" M="$(pwd)" V=1 CONFIG_LTTNG=m |
| 101 | |
| 102 | # Install modules to build dir |
| 103 | make INSTALL_MOD_PATH="${BUILDDIR}" -C "${LNXBUILDDIR}" M="$(pwd)" modules_install |
| 104 | fi |
| 105 | |
| 106 | # EOF |