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gentoo-build-kernel.docker
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#! /usr/bin/env bash
# shellcheck disable=SC2207
declare trace="${TRACE:-}"
# shellcheck disable=SC2034
declare debug="${DEBUG:-}"
set -eu
set -o pipefail
[ -n "${trace:-}" ] && set -o xtrace
cd "$( dirname "$( readlink -e "${0}" )" )" || exit 1
# Set by common/vars.sh, sourced below...
#
#declare build_name=''
#declare _command='docker'
#declare use_essential_gcc=''
# shellcheck disable=SC1091
[ ! -s common/vars.sh ] || . common/vars.sh
# shellcheck disable=SC2034 # Set from common/vars.sh
[[ -n "${__COMMON_VARS_INCLUDED:-}" ]] || {
echo >&2 'FATAL: Inclusion of common defaults failed'
exit 1
}
# shellcheck disable=SC2154
declare IMAGE="${build_name}:latest"
# shellcheck disable=SC1091
[ -s common/run.sh ] && . common/run.sh
declare -ir PARALLEL_MEMORY_MIN=4
declare -ir build_space_reqiured=750
declare -ir temp_space_required=2800
declare -ir graph_space_required=8500
declare package_default='sys-kernel/gentoo-sources'
if [ -n "${rpi_model:-}" ] || grep -q -- 'Model.*Raspberry Pi' /proc/cpuinfo
then
package_default='sys-kernel/raspberrypi-sources'
fi
readonly package_default
declare binutils_min_ver='2.25.0'
declare gcc_min_ver='5.1.0' # 12.0.0 on PA-RISC
declare llvm_min_ver='13.0.1' # 11.0.0 before 6.9.0, 15.0.0 on S390, 18.0.0 on loongarch
declare firmware=''
declare microcode=''
declare microcode_blob=''
if grep 'vendor_id' /proc/cpuinfo |
awk '{ print $3 }' |
grep -iqm 1 'intel'
then
microcode='sys-firmware/intel-microcode'
microcode_blob='intel'
elif grep 'vendor_id' /proc/cpuinfo |
awk '{ print $3 }' |
grep -iqm 1 'amd'
then
firmware='sys-kernel/linux-firmware'
case "$( # <- Syntax
grep -Fm 1 'cpu family' /proc/cpuinfo |
cut -d':' -f 2- |
awk '{ print $1 }'
)" in
16|17|18|20)
microcode_blob='amd-ucode/microcode_amd.bin'
;;
21)
microcode_blob='amd-ucode/microcode_amd_fam15h.bin'
;;
22)
microcode_blob='amd-ucode/microcode_amd_fam16h.bin'
;;
23)
microcode_blob='amd-ucode/microcode_amd_fam17h.bin amd/amd_sev_fam17h_model0xh.sbin amd/amd_sev_fam17h_model3xh.sbin'
;;
25)
microcode_blob='amd-ucode/microcode_amd_fam19h.bin amd/amd_sev_fam19h_model0xh.sbin'
;;
esac
fi
readonly microcode microcode_blob
pkgslot() {
local pkg="${1:-}"
local ver="${2:-}"
local usemax="${3:-}"
local -i maxver=0
local -i rc=0
[[ -n "${pkg:-}" ]] || return 1
if [[ -z "${ver:-}" ]]; then
if [[ -n "${usemax:-}" ]]; then
warn "pkgslot(${*}): Third argument of pkgslot() is" \
"ignored when no version is specified"
fi
printf '%s\n' "${pkg}"
return 1
fi
if [[ "${ver:0:1}" == ':' ]]; then
if [[ -n "${usemax:-}" ]]; then
warn "pkgslot(${*}): Third argument of pkgslot() is" \
"ignored when a SLOT is specified"
(( rc = 1 ))
fi
printf '%s:%s\n' "${pkg}" "${ver:1}"
else
[[ "${ver:0:1}" == '-' ]] || ver="-${ver}"
if [[ -n "${usemax:-}" ]]; then
case "${usemax}" in
'1'|'=')
: ;;
*)
warn "pkgslot(${*}): Third argument" \
"is ambiguous (expected '1'" \
"or '=')"
(( rc = 1 ))
;;
esac
(( maxver = $( cut -d'.' -f 1 <<<"${ver:1}" ) + 1 ))
if (( maxver )); then
printf '>=%s%s <%s-%s\n' "${pkg}" "${ver}" \
"${pkg}" "${maxver}"
else
warn "pkgslot(${*}): Unable to determine" \
"maximum version for arguments"
printf '>=%s%s\n' "${pkg}" "${ver}"
(( rc = 1 ))
fi
else
printf '>=%s%s\n' "${pkg}" "${ver}"
fi
fi
return $(( rc ))
} # pkgslot
_docker_setup
if echo " ${*:-} " | grep -Eq -- ' -(h|-help) '; then
declare usage='' options=''
usage="Usage: $( basename "${0}" ) "
# shellcheck disable=SC2116 # echo used for line-splitting
options="$( echo \
'[--config-from=<file> [--force]]|[--defconfig=<target>]' \
'[--no-keep-build|--keep-build[=<dir>]]' \
'[--no-patch|--patch=<path|url> [<path|url> ...]]' \
'[--menuconfig|--nconfig]' \
'[--package=<atom>] [--no-firmware|--firmware] [--clean]' \
'[--clang [--clean-lto] [--llvm-unwind] [--rust]] [-O3]' \
'[--debug] [--force-llvm=<version>]'
)"
output "${usage}${options}" | fold -sw ${COLUMNS:-"80"} - | head -n 1 >&2
output "${options}" | fold -sw $(( ${COLUMNS:-"80"} - ${#usage} )) - | sed "s|^|${usage//?/ }|" | tail -n +2 >&2
output >&2
output >&2 'Options:'
output >&2 ' --config-from <file> Use specified file as kernel base configuration'
output >&2 ' (specify config.gz or /proc/config.gz to'
output >&2 ' auto-extract the active kernel configuration)'
output >&2 ' N.B. To keep the resultant configuration, use'
output >&2 " the '--keep-build' option to save the"
output >&2 ' build output'
output >&2 " --defconfig <target> preconfigure with specified 'make' target"
# Turns out this was never implemented!?
#output >&2 " --target <target> configure with specified 'make' target"
output >&2 ' --keep-build [dir] Cache the kernel build artefacts for re-use'
output >&2 ' (optionally in the specified directory)'
output >&2 ' --force Overwrite build-cache configuration with'
output >&2 ' the specified file'
output >&2 ' --patch <url> Apply patch (-p1) from specified file or URL'
output >&2 ' --clear-linux Apply Intel "Clear Linux" patches'
output >&2 ' --menuconfig Interactively reconfigure the kernel via ncurses'
output >&2 ' --nconfig Interactively reconfigure the kernel via nconfig'
output >&2 ' --package <package> Specify kernel package to build'
output >&2 " (default: '${package_default}')"
output >&2 ' --with <package> Specify additional packages requiring kernel src'
output >&2 " (e.g. 'net-firewall/xtables-addons', etc.)"
output >&2 " --firmware Include 'sys-kernel/linux-firmware'"
output >&2 " -O3 Add 'KCFLAGS=-O3' (and others - see [1])"
output >&2 ' --clang Compile kernel with llvm'
output >&2 ' --llvm-unwind Use LLVM edition of libunwind'
output >&2 " --rust Pull-in rust dependencies"
#output >&2 ' --force-rust <version> Force a specified rust slot'
output >&2 ' --force-llvm <version> Force a specified LLVM version'
output >&2 ' --clean-lto Remove exisitng *.lto.o objects'
output >&2
output >&2 " --clean Run 'make distclean' before build"
output >&2
output >&2 ' --debug Allocate more memory to build-container'
output >&2
output >&2 " --no-install Don't install build-products to /boot"
output >&2 ' --bundle Generate tar output in /usr/src rather than'
output >&2 ' installing the new kernel (implies --no-install)'
output >&2 ' --initramfs Also build kernel ramdisk'
output >&2
output >&2 "Running on architecture '${arch:-"${ARCH:-}"}'"
output >&2
output >&2 '[1]: https://github.com/clearlinux-pkgs/linux/blob/main/0133-novector.patch'
output >&2
exit 0
fi
declare _output=''
# shellcheck disable=SC2154
if ! [[ -x "$( type -pf "${_command}" )" ]]; then
die "Cannot locate binary '${_command}'"
elif ! _output="$( "${_command}" info 2>&1 )"; then
if [[ "${_command}" == 'podman' ]]; then
die "Unable to successfully execute '${_command}' - do you" \
"need to run '${_command} machine start' or re-run" \
"'$( basename "${0}" )' as 'root'?"
else
die "Unable to successfully execute '${_command}' - do you" \
"need to re-run '$( basename "${0}" )' as 'root'?"
fi
elif [[ "$( uname -s )" != 'Darwin' ]] &&
(( EUID )) &&
grep -Fq -- 'rootless: false' <<<"${_output}"
then
die "Please re-run '$( basename "${0}" )' as user 'root'"
fi
unset _output
declare -i keep_build=1
declare -i bundle=0
declare -i clean=0
declare -i clean_lto=0
declare -i force=0
declare -i initramfs=0
declare -i install=1
declare -i llvm_slot=0
declare -i llvm_slot_override=0
declare -i opt_o3=0
declare -i intel_patch=0
declare -i raise_mem=0
declare -i rust=0
declare build_dir=''
declare bundle_dir=''
declare compiler='gcc'
declare config_file=''
declare defconfig=''
declare llvm_sub_slot_override=''
declare menuconfig=''
declare nconfig=''
declare package_override=''
declare extra_packages=''
declare patch=''
declare rust_llvm_use=''
declare unwind=''
if [[ -n "${kbuild_opt:-}" ]]; then
declare arg=''
for arg in "${@:-}"; do
shift
if [[ -n "${arg:-}" ]] &&
! [[ " ${*} ${kbuild_opt} " == *" ${arg} "* ]]
then
set -- ${@+"${@}"} "${arg}"
else
print "Skipping duplicate argument '${arg:-}'"
fi
done
unset arg
set -- "${*:-}" "${kbuild_opt}"
print "After processing environment variables, arguments are '${*:-}'"
fi
unset kbuild_opt
# Process --menuconfig and --nconfig first, as --config-from refers to them...
#
if echo " ${*:-} " | grep -Fq -- ' --menuconfig '; then
menuconfig='menuconfig' # Just has to be set...
nconfig=''
fi
if echo " ${*:-} " | grep -Fq -- ' --nconfig '; then
menuconfig=''
nconfig='nconfig' # Just has to be set...
fi
# Process options in --help output order where possible...
#
if echo " ${*:-} " | grep -Eq -- ' --config(-from)?[= ]'; then
if echo " ${*:-} " | grep -Eq -- ' --config(-from)?=[^ ]+ '; then
config_file="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--config(-from)?=[^ ]+ ' |
cut -d'=' -f 2- |
sed 's/ $//'
)"
elif echo " ${*:-} " | grep -Eq -- ' --config(-from)? [^ -][^ ]* '; then
config_file="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--config(-from)? [^ ]+ ' |
cut -d' ' -f 2- |
sed 's/ $//'
)"
else
warn "Invalid config option '$( # <- Syntax
echo " ${*:-} " |
grep -Eo -- '--config(-from)?[^ ]*[= ][^ ]+ ' |
sed 's/ $//'
)'"
fi
if echo " ${*:-} " | grep -Fq -- ' --force '; then
force=1
fi
else
if echo " ${*:-} " | grep -Fq -- ' --force '; then
warn "'--force' is not a valid option without '--config-from'"
fi
# Use bash syntax to avoid shellcheck SC2166
if [[ -n "${menuconfig:-}" || -n "${nconfig:-}" ]] &&
! grep -Fq -- ' --keep-build ' <<<" ${*:-} "
then
warn 'Changes made to configuration will not be saved externally'
fi
fi
if echo " ${*:-} " | grep -q -- ' --defconfig[= ]'; then
if echo " ${*:-} " | grep -Eq -- ' --defconfig=[^ ]+ '; then
defconfig="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--defconfig=[^ ]+ ' |
cut -d'=' -f 2- |
sed 's/ $//'
)"
elif echo " ${*:-} " | grep -q -- ' --defconfig [^ -][^ ]* '; then
defconfig="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--defconfig [^ ]+ ' |
cut -d' ' -f 2- |
sed 's/ $//'
)"
else
warn "Invalid defconfig option '$( # <- Syntax
echo " ${*:-} " |
grep -Eo -- '--defconfig[^ ]*[= ][^ ]+ ' |
sed 's/ $//'
)'"
fi
fi
if echo " ${*:-} " | grep -Fq -- ' --keep-build'; then
if echo " ${*:-} " | grep -Eq -- ' --keep-build=[^ ]+ '; then
build_dir="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--keep-build=[^ ]+ ' |
cut -d'=' -f 2- |
sed 's/ $//'
)"
elif echo " ${*:-} " | grep -q -- ' --keep-build [^ -][^ ]* '; then
build_dir="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--keep-build [^ ]+ ' |
cut -d' ' -f 2- |
sed 's/ $//'
)"
elif echo " ${*:-} " | grep -Fq -- ' --keep-build '; then
:
else
warn "Invalid build option '$( # <- Syntax
echo " ${*:-} " |
grep -Eo -- '--keep-build[^ ]+ ' |
sed 's/ $//'
)'"
keep_build=0
fi
elif echo " ${*:-} " | grep -Fq -- ' --no-keep-build '; then
keep_build=0
fi
# --force: see above
# --patch: see below
if echo " ${*:-} " | grep -Fq -- ' --clear-linux '; then
if type -pf curl >/dev/null 2>&1 && type -pf jq >/dev/null 2>&1; then
intel_patch=1
else
warn "Disabling '--clear-linux' since app-misc/jq and net-misc/curl" \
"are not both installed"
fi
fi
# --menuconfig: see above
# --nconfig: see above
if echo " ${*:-} " | grep -Fq -- ' --package'; then
if echo " ${*:-} " | grep -Eq -- ' --package=[^ ]+ '; then
package_override="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--package=[^ ]+ ' |
cut -d'=' -f 2- |
sed 's/ $//'
)"
elif echo " ${*:-} " | grep -q -- ' --package [^ -][^ ]* '; then
package_override="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--package [^ ]+ ' |
cut -d' ' -f 2- |
sed 's/ $//'
)"
else
warn "Invalid package version '$( # <- Syntax
echo " ${*:-} " |
grep -Eo -- ' --package[^ ]+ ' |
sed 's/ $//'
)'"
fi
fi
if echo " ${*:-} " | grep -Fq -- ' --with'; then
if echo " ${*:-} " | grep -Eq -- ' --with=[^ ]+ '; then
extra_packages="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--with=[^ ]+' |
while read -r pkg; do
echo "${pkg}" |
cut -d'=' -f 2- |
sed 's/ $//'
done
)"
elif echo " ${*:-} " | grep -q -- ' --with [^ -][^ ]* '; then
extra_packages="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--with [^ ]+' |
while read -r pkg; do
echo "${pkg}" |
cut -d' ' -f 2- |
sed 's/ $//'
done
)"
else
warn "Invalid package version '$( # <- Syntax
echo " ${*:-} " |
grep -Eo -- ' --with[^ ]+ ' |
sed 's/ $//'
)'"
fi
fi
# --firmware: see below
if echo " ${*:-} " | grep -Fq -- ' -O3 '; then
opt_o3=1
else
if (( intel_patch )); then
warn "Intel Clear Linux '-O3' patches are excluded due to specifying" \
"'-march=westmere': invoke with '-O3' to restore other tunings"
fi
fi
if echo " ${*:-} " | grep -Eq -- ' --(clang|llvm) '; then
compiler='clang'
if echo " ${*:-} " | grep -Fq -- ' --clean-lto '; then
clean_lto=1
fi
if echo " ${*:-} " | grep -Eq -- ' --(llvm-)?(lib)?unwind '; then
unwind='llvm'
fi
if echo " ${*:-} " | grep -Fq -- ' --rust '; then
rust=1
fi
if echo " ${*:-} " | grep -Fq -- ' --force-llvm'; then
if echo " ${*:-} " | grep -Eq -- ' --force-llvm=[^ ]+ '; then
llvm_sub_slot_override="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--force-llvm=[^ ]+ ' |
cut -d'=' -f 2- |
sed 's/-r.*$// ; s/ $//' |
sort -V |
tail -n 1
)"
elif echo " ${*:-} " | grep -q -- ' --force-llvm [^ -][^ ]* '; then
llvm_sub_slot_override="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--force-llvm [^ ]+ ' |
cut -d' ' -f 2- |
sed 's/-r.*$// ; s/ $//' |
sort -V |
tail -n 1
)"
else
warn "Invalid LLVM version '$( # <- Syntax
echo " ${*:-} " |
grep -Eo -- ' --force-llvm[^ ]+ ' |
sed 's/ $//'
)'"
fi
if [[ -n "${llvm_sub_slot_override:-}" ]]; then
print "Override llvm_sub_slot is '${llvm_sub_slot_override}'" \
"from '${*}'"
(( llvm_slot_override = $( # <- Syntax
cut -d'.' -f 1 <<<"${llvm_sub_slot_override}"
) ))
rust_llvm_use='-system-llvm'
fi
fi
else
if echo " ${*:-} " | grep -Fq -- ' --clean-lto '; then
warn "'--clean-lto' is not a valid option without '--clang'"
fi
if echo " ${*:-} " | grep -Eq -- ' --(llvm-)?(lib)?unwind '; then
warn "'--llvm-unwind' is not a valid option without '--clang'"
fi
if echo " ${*:-} " | grep -Fq -- ' --rust '; then
warn "'--rust' is not a valid option without '--clang'"
fi
if echo " ${*:-} " | grep -q -- ' --force-llvm[ =]'; then
warn "'--force-llvm' is not a valid option without '--clang'"
fi
fi
if echo " ${*:-} " | grep -Fq -- ' --clean '; then
clean=1
fi
if echo " ${*:-} " | grep -Fq -- ' --debug '; then
raise_mem=1
fi
# --(no-)install: see below
if echo " ${*:-} " | grep -Eq -- ' --bundle[= ]'; then
if echo " ${*:-} " | grep -Eq -- ' --bundle=[^ ]+ '; then
bundle_dir="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--bundle=[^ ]+ ' |
cut -d'=' -f 2- | sed 's/ $//'
)"
elif echo " ${*:-} " | grep -Eq -- ' --bundle [^ -][^ ]* '; then
bundle_dir="$( # <- Syntax
echo " ${*} " |
grep -Eo -- '--bundle [^ ]+ ' |
cut -d' ' -f 2- |
sed 's/ $//'
)"
else
bundle_dir='/usr/src'
fi
bundle=1
install=0
fi
if echo " ${*:-} " | grep -Fq -- ' --initramfs '; then
initramfs=1
fi
if echo " ${*:-} " | grep -Fq -- ' --no-install '; then
install=0
elif echo " ${*:-} " | grep -Fq -- ' --install '; then
install=1
fi
if [[ -n "${config_file:-}" && -n "${defconfig:-}" ]]; then
warn "'--defconfig' (${defconfig}) overrides '--config-from'" \
"(${config_file}) - using former value"
fi
declare package=''
declare package_version=''
declare container_name=''
declare distro=''
if ! echo "${package_override:-"${package_default}"}" | grep -Fq -- '/'; then
package_override="$( # <- Syntax
sed -r 's|^([^a-zA-Z])*([a-zA-Z].*)$|\1sys-kernel/\2|' \
<<<"${package_override:-"${package_default}"}"
)"
print "Searching for package name '${package_override}' ..."
fi
_docker_resolve "${package_override:-"${package_default}"}"
if ! echo "${package}" | grep -Fq -- '/'; then
error "Resolved package '${package}' with version '${package_version}'" \
"lacks a category"
die "Essential package data not found - aborting"
fi
print "Using package '=${package}' ..."
# shellcheck disable=SC2001 # POSIX sh compatibility
container_name="$( echo "${package}" | sed 's|/|.|' )"
export container_name
case "${package}" in
*gentoo*)
distro='-gentoo'
;;
esac
# --patch
#
# Unless noted, the patches below are for the highest supported GCC version...
declare kpatch=''
if ! echo " ${*:-} " | grep -q -- ' --no-patch'; then
declare kpatchprefix='https://raw.githubusercontent.com/graysky2/kernel_compiler_patch/refs/heads/master'
# The first gcc release was gcc-2.95 (preceeded by egcs-1.1.2), since
# gcc-4.0.0 there have been no gcc-{x}.0 releases...
declare gcc_ver=''
case "${package_version}" in
3.[2-9].*|3.1[0-4].*)
if type -pf gcc >/dev/null 2>&1; then
gcc_ver="$( gcc --version | awk '( NR == 1 ) {print $NF}' | cut -d'.' -f 1-2 )"
case "${gcc_ver:-}" in
[23].*|4.[01])
warn "gcc${gcc_ver:+" ${gcc_ver}"} is too old to apply microarchitectures patch to kernel ${package_version}" ;;
4.[2-8])
kpatch="${kpatchprefix}/outdated_versions/linux-3.2%2B/gcc-4.2%2B/enable_additional_cpu_optimizations_for_gcc.patch" ;;
*)
kpatch="${kpatchprefix}/outdated_versions/linux-3.2%2B/gcc-4.9%2B/enable_additional_cpu_optimizations_for_gcc_v4.9%2B.patch" ;;
esac
else
warn "Could not determine gcc location or version, not applying microarchitectures patch to kernel ${package_version}"
fi ;;
3.1[5-9].*|4.[0-9].*|4.1[0-2].*)
if type -pf gcc >/dev/null 2>&1; then
gcc_ver="$( gcc --version | awk '( NR == 1 ) {print $NF}' | cut -d'.' -f 1-2 )"
case "${gcc_ver:-}" in
[23].*|4.[01])
warn "gcc${gcc_ver:+" ${gcc_ver}"} is too old to apply microarchitectures patch to kernel ${package_version}" ;;
4.[2-8])
kpatch="${kpatchprefix}/outdated_versions/linux-3.15%2B/gcc-4.2%2B/enable_additional_cpu_optimizations_for_gcc_kernel_v3.15%2B.patch" ;;
*)
kpatch="${kpatchprefix}/outdated_versions/enable_additional_cpu_optimizations_for_gcc_v4.9%2B_kernel_v3.15%2B.patch" ;;
esac
else
warn "Could not determine gcc location or version, not applying microarchitectures patch to kernel ${package_version}"
fi ;;
4.1[3-8].*)
if type -pf gcc >/dev/null 2>&1; then
gcc_ver="$( gcc --version | awk '( NR == 1 ) {print $NF}' | cut -d'.' -f 1-2 )"
case "${gcc_ver:-}" in
[23].*|4.[0-8])
warn "gcc${gcc_ver:+" ${gcc_ver}"} is too old to apply microarchitectures patch to kernel ${package_version}" ;;
4.9|[5-7].*)
kpatch="${kpatchprefix}/outdated_versions/enable_additional_cpu_optimizations_for_gcc_v4.9+_kernel_v4.13+.patch" ;;
*)
kpatch="${kpatchprefix}/outdated_versions/enable_additional_cpu_optimizations_for_gcc_v8.1%2B_kernel_v4.13%2B.patch" ;;
esac
else
warn "Could not determine gcc location or version, not applying microarchitectures patch to kernel ${package_version}"
fi ;;
4.19.*|5.[0-4].*)
kpatch="${kpatchprefix}/more-ISA-levels-and-uarches-for-kernel-4.19-5.4.patch" ;;
5.[56].*)
if type -pf gcc >/dev/null 2>&1; then
gcc_ver="$( gcc --version | awk '( NR == 1 ) {print $NF}' | cut -d'.' -f 1-2 )"
case "${gcc_ver:-}" in
[2-8].*)
warn "gcc${gcc_ver:+" ${gcc_ver}"} is too old to apply microarchitectures patch to kernel ${package_version}" ;;
9.*)
kpatch="${kpatchprefix}/outdated_versions/enable_additional_cpu_optimizations_for_gcc_v9.1%2B_kernel_v5.5%2B.patch" ;;
*)
kpatch="${kpatchprefix}/outdated_versions/enable_additional_cpu_optimizations_for_gcc_v10.1%2B_kernel_v5.5-v5.6.patch" ;;
esac
else
warn "Could not determine gcc location or version, not applying microarchitectures patch to kernel ${package_version}"
fi ;;
5.7.*)
if type -pf gcc >/dev/null 2>&1; then
gcc_ver="$( gcc --version | awk '( NR == 1 ) {print $NF}' | cut -d'.' -f 1-2 )"
case "${gcc_ver:-}" in
[2-8].*)
warn "gcc${gcc_ver:+" ${gcc_ver}"} is too old to apply microarchitectures patch to kernel ${package_version}" ;;
9.*)
kpatch="${kpatchprefix}/outdated_versions/enable_additional_cpu_optimizations_for_gcc_v9.1%2B_kernel_v5.7%2B.patch" ;;
*)
kpatch="${kpatchprefix}/outdated_versions/enable_additional_cpu_optimizations_for_gcc_v10.1%2B_kernel_v5.7.patch" ;;
esac
else
warn "Could not determine gcc location or version, not applying microarchitectures patch to kernel ${package_version}"
fi ;;
5.[89].*|5.1[0-4].*)
kpatch="${kpatchprefix}/more-ISA-levels-and-uarches-for-kernel-5.8-5.14.patch"
case "${package_version}" in
5.11.*)
kpatch+=" https://lore.kernel.org/linux-btrfs/206d121e2e2b609ffe31217e6d90bfabe1c4e121.1616066404.git.fdmanana@suse.com/raw" ;;
esac
;;
5.15.*|5.16.*)
kpatch="${kpatchprefix}/more-ISA-levels-and-uarches-for-kernel-5.15-5.16.patch" ;;
5.1[7-9].*|6.0.*|6.1.[0-6][0-9]*|6.1.7[0-8]*)
kpatch="${kpatchprefix}/more-ISA-levels-and-uarches-for-kernel-5.17-6.1.78.patch"
case "${package_version}" in
5.19.*)
kpatch+=" https://lore.kernel.org/all/[email protected]/raw"
esac
;;
#6.1.79*|6.1.[89][0-9]*|6.1.[1-9][0-9][0-9]*|6.[2-7].*)
# kpatch="${kpatchprefix}/more-ISA-levels-and-uarches-for-kernel-6.1.79%2B.patch" ;;
#6.[89].*|6.1[0-9].*)
# kpatch="${kpatchprefix}/lite-more-x86-64-ISA-levels-for-kernel-6.8-rc4%2B.patch" ;;
6.1.79*|6.1.[89][0-9]*|6.1.[1-9][0-9][0-9]|6.[2-9].*|6.[1-9][0-9].*)
kpatch="${kpatchprefix}/more-ISA-levels-and-uarches-for-kernel-6.1.79%2B.patch" ;;
'')
: ;;
*)
warn "No known patch for kernel ${package_version} from https://github.com/graysky2/kernel_compiler_patch"
;;
esac
unset gcc_ver kpatchprefix
fi
case "${arch:-"${ARCH:-}"}" in
arm64)
# This patch is specific to the Raspberry Pi 4/BCM2711/Cortex-A72;
# the RPi5/BCM2712 uses a Cortex-A76
# FIXME: This patch could itself be trivially patched to account for
# this...
if [[ "$( # <- Syntax
emerge --info 2>/dev/null |
grep '^USE=' |
cut -d'"' -f 2
)" =~ pi4 ]]
then
kpatch="${kpatch:+"${kpatch} "}https://raw.githubusercontent.com/graysky2/kernel_compiler_patch/refs/heads/master/other/build-with-mcpu-for-cortex-a72.patch"
fi
;;
esac
print "Kernel patch(es) are: '${kpatch:-}'"
# Allow '--no-patch --patch=...' to exclude default kernel patches...
if echo " ${*:-} " | grep -q -- ' --no-patch'; then
kpatch=''
fi
if echo " ${*:-} " | grep -q -- ' --patch'; then
if echo " ${*:-} " | grep -q -- ' --patch=[^ ]\+ '; then
patch="$( # <- Syntax
echo " ${*} " |
grep -o -- '--patch=[^ ]\+ ' |
cut -d'=' -f 2- |
sed 's/ $// ; s/,/ /g'
)"
elif echo " ${*:-} " | grep -q -- ' --patch [^ -][^ ]* '; then
patch="$( # <- Syntax
echo " ${*} " |
grep -o -- '--patch [^ ]\+ ' |
cut -d' ' -f 2- |
sed 's/ $// ; s/,/ /g'
)"
else
warn "Invalid patch option '$( # <- Syntax
echo " ${*:-} " |
grep -o -- ' --patch[^ ]\+ ' |
sed 's/ $//'
)'"
fi
fi
if (( intel_patch )); then
declare clear_commit='' response='' clear_patch=''
declare -i page=1 done=0
# FIXME: Something's changed/broken here, and startswith() is complaining
# that it only accepts string inputs... but then with the addition of
# 'tostring', it's returning the matching result plus many afterwards!?
#
until (( done )); do
print "Checking Clear Linux tags page ${page} ..."
response="$( curl -fLSs "https://api.github.com/repos/clearlinux-pkgs/linux/tags?page=${page}" )"
if [[ -z "$( jq -r '.[]' <<<"${response:-}" )" ]]; then
# We're out of pages to check...
done=1
else
clear_commit="$( # <- Syntax
jq -r "map_values(select(.name | startswith(\"${package_version%-r*}\")))[].commit.sha" 2>/dev/null <<<"${response:-}" |
head -n 1 ||
jq -r "map_values(select(.name | tostring | startswith(\"${package_version%-r*}\")))[].commit.sha" 2>/dev/null <<<"${response:-}"|
head -n 1
)"
if [[ -n "${clear_commit:-}" ]]; then
done=1
else
(( page ++ ))
fi
fi
done
if [[ -z "${clear_commit:-}" ]]; then
error "Intel Clear Linux has no patches for kernel" \
"${package_version%-r*}"
intel_patch=0
else
info >&2 "Clear Linux patches for kernel ${package_version%-r*} are" \
"commit '${clear_commit}'"
while read -r clear_patch; do
patch="${patch:+"${patch} "}https://raw.githubusercontent.com/clearlinux-pkgs/linux/${clear_commit}/${clear_patch}"
done < <( # <- Syntax
# We replace '0133-novector.patch' with a more specific patch of
# our own, but several of Intel's patches targeted at specific
# releases are outdated and simply won't apply :(
# We don't want to filter those here, though, as they may update
# them for future releases: the only harm is noise when we warn
# that a bad patch didn't apply cleanly.
#
curl -fLSs "https://raw.githubusercontent.com/clearlinux-pkgs/linux/${clear_commit}/linux.spec" |
grep -- '^Patch[0-9]' |
awk '{print $2}' |
grep -v '0133-novector.patch'
)
fi
unset page clear_patch response clear_commit
fi
if [[ -n "${kpatch:-}" ]]; then
patch="${kpatch}${patch:+" ${patch}"}"
fi
print "All patch(es) are: '${patch:-}'"
unset kpatch
# --firmware
#
if echo " ${*:-} " | grep -q -- ' --firmware'; then
firmware='sys-kernel/linux-firmware'
elif echo " ${*:-} " | grep -q -- ' --no-firmware'; then
firmware=''
fi
# End of argument handling
# scripts/min-tool-version.sh first appeared in Linux v5.12
case "${package_version}" in
[01234].*|5.[0123456789].*|5.1[01].*)
die "Minimum supported kernel version is 5.12.0, found" \
"'${package_version}'"
;;
5.12.*)
binutils_min_ver='2.23.0'
case "${arch:-"${ARCH:-}"}" in
arm64)
gcc_min_ver='5.1.0'
;;
*)
gcc_min_ver='4.9.0'
;;
esac
llvm_min_ver='10.0.1'
;;
5.13.*)
binutils_min_ver='2.23.0'
case "${arch:-"${ARCH:-}"}" in
arm64)
gcc_min_ver='5.1.0'
;;
*)
gcc_min_ver='4.9.0'
;;
esac
case "${arch:-"${ARCH:-}"}" in
s390)
llvm_min_ver='13.0.0'
;;
*)
llvm_min_ver='10.0.1'
;;
esac
;;
5.1[45].*)
binutils_min_ver='2.23.0'
gcc_min_ver='5.1.0'
case "${arch:-"${ARCH:-}"}" in
s390)
llvm_min_ver='13.0.0'
;;
*)
llvm_min_ver='10.0.1'
;;
esac
;;
5.1[67].*)
binutils_min_ver='2.23.0'
gcc_min_ver='5.1.0'
case "${arch:-"${ARCH:-}"}" in
s390)
llvm_min_ver='13.0.0'
;;
*)
llvm_min_ver='11.0.0'
;;
esac
;;
5.1[89].*|6.0.*)
binutils_min_ver='2.23.0'
gcc_min_ver='5.1.0'
case "${arch:-"${ARCH:-}"}" in
s390)
llvm_min_ver='14.0.0'
;;
*)
llvm_min_ver='11.0.0'
;;
esac
;;
6.[123].*)
binutils_min_ver='2.25.0'
gcc_min_ver='5.1.0'
case "${arch:-"${ARCH:-}"}" in
s390)
llvm_min_ver='15.0.0'
;;
*)
llvm_min_ver='11.0.0'
;;
esac
;;
6.[456].*)
binutils_min_ver='2.25.0'
case "${arch:-"${ARCH:-}"}" in
hppa)
gcc_min_ver='12.0.0'
;;
*)
gcc_min_ver='5.1.0'
;;
esac
case "${arch:-"${ARCH:-}"}" in
s390)
llvm_min_ver='15.0.0'
;;
*)
llvm_min_ver='11.0.0'
;;
esac
;;
6.7.*)
binutils_min_ver='2.25.0'
case "${arch:-"${ARCH:-}"}" in
hppa)
gcc_min_ver='12.0.0'
;;
*)
gcc_min_ver='5.1.0'
;;
esac
case "${arch:-"${ARCH:-}"}" in
loong)
llvm_min_ver='18.0.0'
;;
s390)
llvm_min_ver='15.0.0'
;;
*)
llvm_min_ver='11.0.0'
;;
esac
;;
#6.8.*)
*)
binutils_min_ver='2.25.0'
case "${arch:-"${ARCH:-}"}" in
hppa)
gcc_min_ver='12.0.0'
;;
*)
gcc_min_ver='5.1.0'
;;
esac
case "${arch:-"${ARCH:-}"}" in
loong)
llvm_min_ver='18.0.0'
;;
s390)
llvm_min_ver='15.0.0'
;;
*)
llvm_min_ver='13.0.1'
;;
esac
;;
esac
if [[ "${compiler}" == 'clang' ]]; then
declare rust_slot=''
# https://github.com/rust-lang/rust-bindgen/issues/2312
declare bindgen_ver='0.56.0'
declare -i llvm_min_slot=0
declare -i llvm_default_slot=0
declare llvm_sub_slot=''
(( llvm_min_slot = $( cut -d'.' -f 1 <<<"${llvm_min_ver}" ) ))
(( llvm_default_slot = llvm_min_slot ))
case "${package_version}" in
[12345].*|6.0.*)
if (( rust )); then
warn 'Disabling dev-lang/rust support prior to kernel 6.1.x'
rust=0
fi
;;
6.[1234].*)
#rust_slot='1.62.0'
(( llvm_default_slot = 14 ))
;;
6.5.*)
#rust_slot='1.68.2'
(( llvm_default_slot = 15 ))
;;
6.6.*)