-#!/bin/bash -exu
+#!/bin/bash
#
-# Copyright (C) 2016-2019 - Michael Jeanson <mjeanson@efficios.com>
+# Copyright (C) 2016-2019 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
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
+set -exu
+
# Parameters
-arch=${arch:-}
+platforms=${platforms:-}
+# Derive arch from label if it isn't set
+if [ -z "${arch:-}" ] ; then
+ # Labels may be platform specific, eg. jammy-amd64, deb12-armhf
+ regex='[[:alnum:]]+-([[:alnum:]]+)'
+ if [[ "${platforms}" =~ ${regex} ]] ; then
+ arch="${BASH_REMATCH[1]}"
+ else
+ arch="${platforms:-}"
+ fi
+fi
cross_arch=${cross_arch:-}
ktag=${ktag:-}
kgitrepo=${kgitrepo:-}
mversion=${mversion:-}
mgitrepo=${mgitrepo:-}
-
## FUNCTIONS ##
# Kernel version compare functions
cd -
}
+list_gccs() {
+ local gccs
+ gccs=()
+ IFS=: read -r -a path_array <<< "$PATH"
+ while read -r gcc ; do
+ gccs+=("$gcc")
+ done < <(find "${path_array[@]}" -maxdepth 1 -regex '.*/gcc-[0-9\.]+$' -printf '%f\n' | sort -t- -k2 -V -r)
+ echo "${gccs[@]}"
+}
+
# Find the most recent GCC version supported by the kernel sources
select_compiler() {
local selected_cc
set +e
- for cc in gcc-5 gcc-4.8; do
+ for cc in $(list_gccs) ; do
if "${CROSS_COMPILE:-}${cc}" -I include/ -D__LINUX_COMPILER_H -D__LINUX_COMPILER_TYPES_H -E include/linux/compiler-gcc.h; then
selected_cc="$cc"
break
sed -i 's/riscv64 //' debian.master/etc/kernelconfig
fakeroot debian/rules clean KW_DEFCONFIG_DIR=.
- fakeroot debian/rules genconfigs KW_DEFCONFIG_DIR=.
+
+ # Hack for kernel Ubuntu-hwe-5.8
+ # The debian/control file is produced by the clean target above, so this
+ # check needs to happen afterwards.
+ if [ ! -f "debian/compat" ] && ! grep -q debhelper-compat debian/control; then
+ echo "10" > "debian/compat"
+ fi
+
+ # genconfigs check can fail in certain cases, eg. when a more recent
+ # compiler exposes kernel configuration flags which aren't set in the
+ # Ubuntu annotations.
+ # In any case, the configuration will be updated with any missing values
+ # later in our build script.
+ fakeroot debian/rules genconfigs KW_DEFCONFIG_DIR=. do_skip_checks=true
cp CONFIGS/"${ubuntu_config}" .config
;;
export ARCH="i386"
fi
- # allyesconfig is mostly broken for kernels of the 2.6 series
- if verlt "$kversion" "3.0"; then
- vanilla_config="defconfig"
- fi
-
make "${vanilla_config}"
;;
esac
scripts/config --disable CONFIG_IGBVF
fi
+ # Don't fail the build on warnings
+ scripts/config --disable CONFIG_WERROR
+
# Set required options
scripts/config --enable CONFIG_TRACEPOINTS
scripts/config --enable CONFIG_KALLSYMS
# Save the kernel and modules
mkdir -p "$LINUX_INSTOBJ_DIR/boot"
make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP=1 modules_install CC="$CC"
- make INSTALL_PATH="$LINUX_INSTOBJ_DIR/boot" install CC="$CC"
+ make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_PATH="$LINUX_INSTOBJ_DIR/boot" install CC="$CC"
rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build"
ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source"
ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source"
touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h"
# Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
- cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf"
+ if [ ! -f "${LINUX_HDROBJ_DIR}/include/config/auto.conf" ]; then
+ cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf"
+ fi
# Finally clean the object files from the full source tree
make clean
kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion)
+ # Try to catch some compatibility problems by turning some
+ # warnings into errors.
+ #export KCFLAGS="$KCFLAGS -Wall -Werror"
+
# Enter lttng-modules source dir
cd "${MODULES_GIT_DIR}"
case "$arch" in
"i386")
karch="x86"
- vanilla_config="allyesconfig"
+ vanilla_config="allmodconfig"
ubuntu_config="i386-config.flavour.generic"
;;
"amd64")
karch="x86"
- vanilla_config="allyesconfig"
+ vanilla_config="allmodconfig"
ubuntu_config="amd64-config.flavour.generic"
;;
"armhf")
karch="arm"
- vanilla_config="allyesconfig"
+ vanilla_config="allmodconfig"
ubuntu_config="armhf-config.flavour.generic"
;;
"arm64")
karch="arm64"
- vanilla_config="allyesconfig"
+ vanilla_config="allmodconfig"
ubuntu_config="arm64-config.flavour.generic"
;;
"powerpc")
karch="powerpc"
- vanilla_config="allyesconfig"
+ vanilla_config="allmodconfig"
ubuntu_config="powerpc-config.flavour.powerpc-smp"
;;
"ppc64el")
karch="powerpc"
- vanilla_config="allyesconfig"
+ vanilla_config="allmodconfig"
ubuntu_config="ppc64el-config.flavour.generic"
;;
obj_name="linux.tar.bz2"
if [ "x${cross_arch}" = "x" ]; then
- obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/$arch/native"
+ obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/platform-${platforms}/$arch/native"
else
- obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/${cross_arch}"
+ obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/platform-${platforms}/${cross_arch}"
fi
obj_url="$obj_url_prefix/$obj_name"
set +e
-s3cmd -c "$WORKSPACE/.s3cfg" get "$obj_url"
+# In s3cmd 2.3, the return code of get when an object does not exist (64)
+# is different than in 2.2 (12). The return codes of 's3cmd info' are
+# consistent between 2.2 and 2.3.
+s3cmd -c "$WORKSPACE/.s3cfg" info "$obj_url"
ret=$?
set -e
case "$ret" in
"0")
+ s3cmd -c "$WORKSPACE/.s3cfg" get "$obj_url"
extract_archive_obj
;;