| 1 | #!/bin/sh -exu |
| 2 | # |
| 3 | # Copyright (C) 2015 - Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com> |
| 4 | # Michael Jeanson <mjeanson@efficios.com> |
| 5 | # |
| 6 | # This program is free software: you can redistribute it and/or modify |
| 7 | # it under the terms of the GNU General Public License as published by |
| 8 | # the Free Software Foundation, either version 3 of the License, or |
| 9 | # (at your option) any later version. |
| 10 | # |
| 11 | # This program is distributed in the hope that it will be useful, |
| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | # GNU General Public License for more details. |
| 15 | # |
| 16 | # You should have received a copy of the GNU General Public License |
| 17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | |
| 19 | # Kernel version compare functions |
| 20 | verlte() { |
| 21 | [ "$1" = "`printf '%s\n%s' $1 $2 | sort -V | head -n1`" ] |
| 22 | } |
| 23 | |
| 24 | verlt() { |
| 25 | [ "$1" = "$2" ] && return 1 || verlte $1 $2 |
| 26 | } |
| 27 | |
| 28 | vergte() { |
| 29 | [ "$1" = "`printf '%s\n%s' $1 $2 | sort -V | tail -n1`" ] |
| 30 | } |
| 31 | |
| 32 | vergt() { |
| 33 | [ "$1" = "$2" ] && return 1 || vergte $1 $2 |
| 34 | } |
| 35 | |
| 36 | |
| 37 | # Use all CPU cores |
| 38 | NPROC=$(nproc) |
| 39 | |
| 40 | SRCDIR="${WORKSPACE}/src/latency-tracker" |
| 41 | BUILDDIR="${WORKSPACE}/build" |
| 42 | LNXSRCDIR="${WORKSPACE}/src/linux" |
| 43 | LNXBINDIR="${WORKSPACE}/deps/linux/build" |
| 44 | |
| 45 | # Create build directory |
| 46 | rm -rf "${BUILDDIR}" |
| 47 | mkdir -p "${BUILDDIR}" |
| 48 | |
| 49 | # Enter source dir |
| 50 | cd "${SRCDIR}" |
| 51 | |
| 52 | # Fix path to linux src in builddir Makefile |
| 53 | sed -i "s#MAKEARGS := -C .*#MAKEARGS := -C ${LNXSRCDIR}#" "${LNXBINDIR}"/Makefile |
| 54 | |
| 55 | # Get kernel version from source tree |
| 56 | cd "${LNXBINDIR}" |
| 57 | KVERSION=$(make kernelversion) |
| 58 | cd - |
| 59 | |
| 60 | # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the |
| 61 | # timekeeping subsystem. We want those build to fail. |
| 62 | if { vergte "$KVERSION" "3.10" && verlte "$KVERSION" "3.10.13"; } || \ |
| 63 | { vergte "$KVERSION" "3.11" && verlte "$KVERSION" "3.11.2"; }; then |
| 64 | |
| 65 | set +e |
| 66 | |
| 67 | # Build modules |
| 68 | KERNELDIR="${LNXBINDIR}" make -j"${NPROC}" V=1 |
| 69 | |
| 70 | # We expect this build to fail, if it doesn't, fail the job. |
| 71 | if [ "$?" -eq 0 ]; then |
| 72 | exit 1 |
| 73 | fi |
| 74 | |
| 75 | # We have to publish at least one file or the build will fail |
| 76 | echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${BUILDDIR}/BROKEN.txt" |
| 77 | |
| 78 | set -e |
| 79 | |
| 80 | else # Regular build |
| 81 | |
| 82 | # Build modules |
| 83 | KERNELDIR="${LNXBINDIR}" make -j"${NPROC}" V=1 |
| 84 | |
| 85 | # Install modules to build dir |
| 86 | KERNELDIR="${LNXBINDIR}" make INSTALL_MOD_PATH="${BUILDDIR}" modules_install |
| 87 | fi |
| 88 | |
| 89 | # EOF |