Make a bunch of changes

This commit:
- inlines some functions
- adds PKGBUILD debugging support
- renames of functions to avoid makepkg function collisions
- renames of configuration variables
- a smol logging facility
- changes some if statements
- fixes of some bugs
- makes the code a bit smaller
This commit is contained in:
JeremyStar™ 2024-12-22 18:59:35 +01:00
parent 683ce48c96
commit 10f612396a
Signed by: JeremyStarTM
GPG key ID: E366BAEF67E4704D

324
PKGBUILD
View file

@ -5,67 +5,110 @@
# Contributor: yarost12 <yaro330@gmail.com>
### BUILD OPTIONS
# You can modify these settings by executing "env _<setting>=<value> makepkg"
# instead of modifying the PKGBUILD file. Here's an example:
# You can modify these settings by
# executing "env _<setting>=<value> makepkg"
# instead of modifying the PKGBUILD file.
#
# Here's an example:
# env _makemenuconfig=y _copyfinalconfig=y _subarch=30 makepkg
# Tweak kernel options prior to a build via menuconfig.
# Tweak kernel options prior to a build
# via menuconfig.
#
# Set to anything but null to activate.
: "${_makemenuconfig:=""}"
# Tweak kernel options prior to a build via nconfig.
# Tweak kernel options prior to a build
# via nconfig.
#
# Set to anything but null to activate.
: "${_makenconfig:=""}"
# Tweak kernel options prior to a build via xconfig.
# Tweak kernel options prior to a build
# via xconfig.
#
# Set to anything but null to activate.
: "${_makexconfig:=""}"
# Use the current kernel's .config file
# Enabling this option will use the .config of the currently
# running kernel rather than the Arch Linux defaults. Useful
# when the package gets updated and you already went through
# the trouble of customizing your config options. NOT recommended
# when a new kernel is released, but again, convenient
# for package bumps.
#
# Enabling this option will use the
# .config of the currently running kernel
# rather than the Clear Linux defaults.
#
# Useful when the package gets updated and
# you already went through the trouble of
# customizing your config options.
#
# NOT recommended when a new kernel is
# released, but again, convenient for
# package bumps.
#
# Set to anything but null to activate.
: "${_use_current:=""}"
: "${_reuse_current:=""}"
# Apply selected optimizations chosen by
# Use the 'kconfig' file placed in the
# directory where this PKGBUILD is in.
#
# Enabling this option will use the
# .config placed next to the PKGBUILD file.
#
# Useful when the package gets updated and
# you already went through the trouble of
# customizing your config options.
#
# NOT recommended when a new kernel is
# released, but again, convenient for
# package bumps.
#
# Set to anything but null to activate.
: "${_reuse_file:=""}"
# Apply selected config changes chosen by
# the package maintainers to the config.
#
# Only takes effect if '_use_current'
# is enabled. Keep disabled if you want
# to reuse your existing kernel configuration
# without any changes being applied to it.
# Only takes effect if '_reuse_current'
# or '_reuse_file' is enabled. Keep
# disabled if you want to reuse your
# existing kernel configuration without
# any changes being applied on top.
#
# Set to anything but null to activate.
: "${_optimize_defconfig:=""}"
: "${_update_kconfig_on_reuse:=""}"
# Determines whether the kernel configuration should be
# copied into the source tree before compilation starts.
# Determines whether the final kernel
# configuration shall be copied into
# the package source tree (where this
# very PKGBUILD file lives) before
# compilation starts.
#
# Set to anything but null to activate.
: "${_copyfinalconfig:=""}"
# Only compile active modules to VASTLY reduce the number
# of modules built and the build time.
# Only compile active modules to VASTLY
# reduce the number of modules built
# and the build time.
#
# To keep track of which modules are needed for your specific system/hardware,
# give modprobed-db a try: https://aur.archlinux.org/packages/modprobed-db
# To keep track of which modules are
# needed for your specific system/hardware,
# give modprobed-db a try:
# https://aur.archlinux.org/packages/modprobed-db
#
# More at this wiki page:
# https://wiki.archlinux.org/index.php/Modprobed-db
#
# More at this wiki page ---> https://wiki.archlinux.org/index.php/Modprobed-db
# Set to anything but null to activate.
: "${_localmodcfg:=""}"
# Optionally select a sub architecture by number or
# leave blank, which will require user interaction during the build.
# Optionally select a sub architecture
# by number or leave blank, which will
# require user interaction during the build.
# Note that the default option is 41.
#
# Requires '_update_kconfig_on_reuse_'
# to be enabled if using an existing
# kernel configuration.
#
# 1. AMD Opteron/Athlon64/Hammer/K8 (MK8)
# 2. AMD Opteron/Athlon64/Hammer/K8 with SSE3 (MK8SSE3)
# 3. AMD 61xx/7x50/PhenomX3/X4/II/K10 (MK10)
@ -111,33 +154,57 @@
# 43. AMD-Native optimizations autodetected by the compiler (MNATIVE_AMD)
: "${_subarch:=""}"
# Selects the x86-64 microarchitecture to compile for.
# This value is only used by the GENERIC_CPU
# Selects the x86-64 microarchitecture
# to compile for. This value is only
# used by the GENERIC_CPU
# subarchitecture and is required.
# Can be either '1', '2', '3' or '4'
#
# Set to '1' by default
#
# For more information see:
# https://en.wikipedia.org/wiki/X86-64#Microarchitecture_levels
#
# Requires '_update_kconfig_on_reuse_'
# to be enabled if using an existing
# kernel configuration.
#
# Set to '1' by default
: "${_subarch_microarch:="1"}"
# Enable compilation with LLVM
# Be warned, this is largely untested by me (JeremyStarTM). It *should* work,
# but if it doesn't, write a comment and I'll fix it.
#
# Be warned, this is largely untested
# by me (JeremyStarTM). It *should* work,
# but if it doesn't, write a comment
# and I'll write a fix for it.
#
# Requires '_update_kconfig_on_reuse_'
# to be enabled if using an existing
# kernel configuration.
#
# Set to anything but null to activate.
: "${_use_llvm_lto:=""}"
# Debug options
# This allows you to enable or disable debug options.
# Set to 'y' to force enable, 'n' to force disable or '' to ignore debug options.
# Leaving the setting empty will use the kernel configuration setting to determine
# if debug options shall be enabled/disabled.
# This allows you to enable or disable
# debug options for THE COMPILED KERNEL.
#
# Leaving the setting empty will leave
# the debug settings up to the kernel
# configuration's settings.
#
# Requires '_update_kconfig_on_reuse_'
# to be enabled if using an existing
# kernel configuration.
#
# Set to 'y' to force enable,
# 'n' to force disable or '' to
# ignore debug options.
: "${_debug_kernel:=""}"
# This allows you to enable or disable
# debug options for THIS SCRIPT.
#
# Set to anything but null to activate.
: "${_debug:=""}"
: "${_debug_script:=""}"
### BUILD OPTIONS END
@ -163,7 +230,7 @@ license=(GPL-2.0-only)
makedepends=("bc" "cpio" "gettext" "git" "libelf" "pahole" "perl" "python" "tar" "xz" "zstd")
[[ -n "${_use_llvm_to}" ]] && makedepends+=("clang" "llvm" "lld")
options=("!strip" "!debug")
[[ "${_debug}" == "y" ]] && options=("!strip")
[[ "${_debug_kernel}" == "y" ]] && options=("!strip")
source=(
"https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-${_kernel_major}.tar.xz"
"https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-${_kernel_major}.tar.sign"
@ -178,10 +245,30 @@ export "KBUILD_BUILD_HOST=archlinux"
export "KBUILD_BUILD_USER=${pkgbase}"
export "KBUILD_BUILD_TIMESTAMP=$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
# Debugging
_msg() {
echo ":: ${*}"
}
_warn() {
echo ":: WARNING ${*//\n/\n }"
}
_debug_msg() {
[ -n "${_debug_script}" ] && echo ":: debug: ${*}"
}
_debug_call() {
local function="${1}"
shift
local args="${*}"
_debug_msg "call: ${function}(${args})"
}
# Applies all patches
apply_patches() {
_apply_patches() {
_debug_call "_apply_patches"
# Patch with kernel version patches
patch -Np1 -i ../patch-${_kernel_major}.${_kernel_minor} || true
patch -Np1 -i ../patch-${_kernel_major}.${_kernel_minor} || :
# Set version
echo "-${pkgrel}" > localversion.10-pkgrel
@ -195,7 +282,7 @@ apply_patches() {
fi
fi
patch -Np1 -i "${srcdir}/cl-linux/${i}" || true
patch -Np1 -i "${srcdir}/cl-linux/${i}" || :
done
# Patch with kernel_compiler_patch patches.
@ -204,62 +291,29 @@ apply_patches() {
patch -Np1 -i "$srcdir/kernel_compiler_patch-$_kernelcompilerpatch/more-ISA-levels-and-uarches-for-kernel-6.1.79+.patch"
}
# Allows user to modify the kernel config
modify_defconfig() {
[[ -n "$_makemenuconfig" ]] && make ${BUILD_FLAGS[*]} menuconfig
[[ -n "$_makexconfig" ]] && make ${BUILD_FLAGS[*]} xconfig
[[ -n "$_makenconfig" ]] && make ${BUILD_FLAGS[*]} nconfig
# Don't crash if all three are false
true
}
# Copies the kernel config
copy_defconfig() {
local "_cur_major_ver=$(zcat /proc/config.gz | grep Linux | grep -o '[0-9]*[0-9]\.[0-9]*[0-9]')"
[[ "${_cur_major_ver}" != "${_kernel_major}" ]] &&
warning "Major version was updated, you should regen the defconfig"
if [[ -s /proc/config.gz ]]; then
# modprobe configs
zcat /proc/config.gz > ./.config
make ${BUILD_FLAGS[*]} olddefconfig
else
warning "Your kernel was not compiled with IKCONFIG_PROC."
warning "Unable to read kernel configuration, aborting."
exit
fi
}
# Updates the kernel config
update_defconfig() {
# Copy configuration file (if found)
if [ -f "${startdir}/kconfig" ]; then
echo ":: Using configuration file \"${startdir}/kconfig\""
cp -Tf "${startdir}/kconfig" ./.config
else
echo ":: Using configuration file \"${srcdir}/${pkgbase}/config\""
cp -Tf $srcdir/cl-linux/config ./.config
fi
_update_config() {
_debug_call "_update_config"
# Extra configuration
# General setup
_debug_msg "Updating configuration"
# -> General setup
scripts/config --set-str DEFAULT_HOSTNAME archlinux \
-e IKCONFIG \
-e IKCONFIG_PROC \
-u RT_GROUP_SCHED
# Power management and ACPI options
# -> Power management and ACPI options
scripts/config -e ACPI_REV_OVERRIDE_POSSIBLE \
-e ACPI_TABLE_UPGRADE
# Virtualization
# -> Virtualization
scripts/config -e KVM_SMM
# General architecture-dependent options
# -> General architecture-dependent options
scripts/config -e KPROBES
# Enable loadable module support
# -> Enable loadable module support
scripts/config -u MODULE_SIG_FORCE
# Networking support
# -> Networking support
scripts/config -e NETFILTER_INGRESS
# Device Drivers
# -> Device Drivers
scripts/config -e FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER \
-e DELL_SMBIOS_SMM \
-m PATA_JMICRON \
@ -269,9 +323,9 @@ update_defconfig() {
-M SND_MIXER_OSS SND_PCM_OSS \
-E SND_PCM_OSS SND_PCM_OSS_PLUGINS \
-m AGP -M AGP AGP_INTEL -M AGP_INTEL AGP_VIA
# Kernel hacking -> Compile-time checks and compiler options -> Make section mismatch errors non-fatal
# -> Kernel hacking -> Compile-time checks and compiler options -> Make section mismatch errors non-fatal
scripts/config -e SECTION_MISMATCH_WARN_ONLY
# File systems
# -> File systems
scripts/config -m NTFS3_FS \
-e NTFS3_LZX_XPRESS \
-e NTFS3_FS_POSIX_ACL
@ -279,7 +333,7 @@ update_defconfig() {
-e SMB_SERVER_SMBDIRECT \
-e SMB_SERVER_CHECK_CAP_NET_ADMIN \
-e SMB_SERVER_KERBEROS5
# Security options
# -> Security options
scripts/config -e SECURITY_SELINUX \
-e SECURITY_SELINUX_BOOTPARAM \
-e SECURITY_SMACK \
@ -289,13 +343,16 @@ update_defconfig() {
-e SECURITY_TOMOYO \
-e SECURITY_APPARMOR \
-e SECURITY_YAMA
# Security options -> Landlock options
# -> Security options -> Landlock options
scripts/config -e SECURITY_LANDLOCK
# Library routines
# -> Library routines
scripts/config -k -e FONT_TER16x32
# Enable LLVM compilation
[[ -n "${_use_llvm_lto}" ]] && scripts/config -d LTO_NONE \
# -> Enable LLVM compilation
if [ -n "${_use_llvm_lto}" ]; then
_debug_msg "Enabling LLVM compilation"
scripts/config -d LTO_NONE \
-e LTO \
-e LTO_CLANG \
-e ARCH_SUPPORTS_LTO_CLANG \
@ -303,25 +360,40 @@ update_defconfig() {
-e HAS_LTO_CLANG \
-e LTO_CLANG_THIN \
-e HAVE_GCC_PLUGINS
fi
# Enable or disable debug settings
[[ "${_debug}" == "y" ]] && scripts/config -e DEBUG_INFO \
# -> Enable or disable debug settings
case "${_debug_kernel}" in
"y")
_debug_msg "Enabling kernel debugging"
scripts/config -e DEBUG_INFO \
-e DEBUG_INFO_BTF \
-e DEBUG_INFO_DWARF4 \
-e PAHOLE_HAS_SPLIT_BTF \
-e DEBUG_INFO_BTF_MODULES
[[ "${_debug}" == "n" ]] && scripts/config -d DEBUG_INFO \
;;
"n")
_debug_msg "Disabling kernel debugging"
scripts/config -d DEBUG_INFO \
-d DEBUG_INFO_BTF \
-d DEBUG_INFO_DWARF4 \
-d PAHOLE_HAS_SPLIT_BTF \
-d DEBUG_INFO_BTF_MODULES
;;
esac
# Run olddefconfig
_debug_msg "Running olddefconfig"
make ${BUILD_FLAGS[*]} olddefconfig
# Show diff of default config and updated config
_msg "Showing diff between the default and updated config"
diff -u $srcdir/cl-linux/config .config || :
# Set subarch automatically
if [ -n "${_subarch}" ]; then
# Set subarch
_debug_msg "Setting subarchitecture"
if [ "${_subarch}" == "41" ]; then
yes "${_subarch}
${_subarch_microarch}" | make ${BUILD_FLAGS[*]} oldconfig
@ -330,34 +402,71 @@ ${_subarch_microarch}" | make ${BUILD_FLAGS[*]} oldconfig
fi
else
# Ask for subarch
_debug_msg "Asking for subarchitecture"
make ${BUILD_FLAGS[*]} oldconfig
fi
}
# Prepares the installation
prepare() {
_debug_call "prepare"
cd "${_src_linux}" || exit 1
apply_patches
# Apply patches
_apply_patches
[[ -n "${_use_current}" ]] && copy_defconfig
[[ -n "${_optimize_defconfig}" ]] || [[ -z "${_use_current}" ]] && update_defconfig
if [ -n "${_reuse_current}" ]; then
# Use config from running kernel
local "_cur_major_ver=$(zcat /proc/config.gz | grep Linux | grep -o '[0-9]*[0-9]\.[0-9]*[0-9]')"
[ "${_cur_major_ver}" != "${_kernel_major}" ] &&
_warn "Your kernel configuration is old, please update your configuration"
if [[ -s /proc/config.gz ]]; then
zcat /proc/config.gz > ./.config
make ${BUILD_FLAGS[*]} olddefconfig
else
_warn "WARNING: Your kernel was not compiled with 'IKCONFIG_PROC'.
Unable to read kernel configuration, aborting."
exit 1
fi
elif [ -f "${startdir}/kconfig" ]; then
# Use ./kconfig
_msg " Using configuration file \"${startdir}/kconfig\""
cp -Tf "${startdir}/kconfig" ./.config
else
# Use builtin
_msg ":: Using configuration file \"${srcdir}/${pkgbase}/config\""
cp -Tf $srcdir/cl-linux/config ./.config
fi
# Update kernel configuration
if [ -z "${_reuse_current}" ] || [[ -n "${_reuse_current}" && -n "${_update_kconfig_on_reuse}" ]]; then
_update_config
fi
# Read and apply modprobed database
# See https://aur.archlinux.org/packages/modprobed-db
[[ -n "${_localmodcfg}" ]] &&
if [ -n "${_localmodcfg}" ]; then
if [ -e "${HOME}/.config/modprobed.db" ]; then
make ${BUILD_FLAGS[*]} LSMOD=${HOME}/.config/modprobed.db localmodconfig
else
echo ":: No modprobed.db file was found at ${HOME}/.config, skipping"
_warn "No modprobed.db file was found at ${HOME}/.config, skipping"
fi
fi
# Open configuration editors
modify_defconfig
[ -n "$_makemenuconfig" ] && make ${BUILD_FLAGS[*]} menuconfig
[ -n "$_makexconfig" ] && make ${BUILD_FLAGS[*]} xconfig
[ -n "$_makenconfig" ] && make ${BUILD_FLAGS[*]} nconfig
# Save configuration
# shellcheck disable=SC2015
[[ -n "${_copyfinalconfig}" ]] && cp -Tf ./.config "${startdir}/kconfig-new" || true
[ -n "${_copyfinalconfig}" ] && cp -Tf ./.config "${startdir}/kconfig-new" || :
# Write kernel version
make -s kernelrelease > version
@ -365,12 +474,15 @@ prepare() {
# Build kernel
build() {
_debug_call "build"
cd "${_src_linux}" || exit 1
make ${BUILD_FLAGS[*]} all
}
# Packages the kernel package
_package() {
_debug_call "_package"
pkgdesc="${pkgdesc} This package includes the kernel and compiled modules."
depends=("coreutils" "kmod" "initramfs")
optdepends=("wireless-regdb: to set the correct wireless channels of your country"
@ -399,6 +511,8 @@ _package() {
# Packages the headers package
_package-headers() {
_debug_call "_package-headers"
pkgdesc="${pkgdesc} This package includes header files and scripts for building kernel modules."
depends=("pahole")