90 lines
4.7 KiB
Bash
90 lines
4.7 KiB
Bash
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#!/usr/bin/env bash
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#
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# SPDX-License-Identifier: GPL-2.0
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#
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# Copyright (c) 2013-2023 Igor Pecovnik, igor@armbian.com
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#
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# This file is a part of the Armbian Build Framework
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# https://github.com/armbian/build/
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function run_kernel_make_internal() {
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set -e
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declare -a common_make_params_quoted common_make_envs full_command
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# Prepare distcc, if enabled.
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declare -a -g DISTCC_EXTRA_ENVS=()
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declare -a -g DISTCC_CROSS_COMPILE_PREFIX=()
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declare -a -g DISTCC_MAKE_J_PARALLEL=()
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prepare_distcc_compilation_config
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common_make_envs=(
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"CCACHE_BASEDIR=\"$(pwd)\"" # Base directory for ccache, for cache reuse # @TODO: experiment with this and the source path to maximize hit rate
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"CCACHE_TEMPDIR=\"${CCACHE_TEMPDIR:?}\"" # Temporary directory for ccache, under WORKDIR
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"PATH=\"${toolchain}:${PATH}\"" # Insert the toolchain first into the PATH.
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"DPKG_COLORS=always" # Use colors for dpkg @TODO no dpkg is done anymore, remove?
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"XZ_OPT='--threads=0'" # Use parallel XZ compression
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"TERM='${TERM}'" # Pass the terminal type, so that 'make menuconfig' can work.
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)
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# If CCACHE_DIR is set, pass it to the kernel build; Pass the ccache dir explicitly, since we'll run under "env -i"
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if [[ -n "${CCACHE_DIR}" ]]; then
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common_make_envs+=("CCACHE_DIR='${CCACHE_DIR}'")
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fi
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# Add the distcc envs, if any.
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common_make_envs+=("${DISTCC_EXTRA_ENVS[@]}")
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common_make_params_quoted=(
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# @TODO: introduce O=path/to/binaries, so sources and bins are not in the same dir; this has high impact in headers packaging though.
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"${DISTCC_MAKE_J_PARALLEL[@]}" # Parallel compile, "-j X" for X cpus; determined by distcc, or is just "$CTHREADS" if distcc is not enabled.
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"ARCH=${ARCHITECTURE}" # Key param. Everything depends on this.
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"LOCALVERSION=-${BRANCH}-${LINUXFAMILY}" # Change the internal kernel version to include the family. Changing this causes recompiles # @TODO change hack at .config; that might handles mtime better
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"CROSS_COMPILE=${CCACHE} ${DISTCC_CROSS_COMPILE_PREFIX[@]} ${KERNEL_COMPILER}" # added as prefix to every compiler invocation by make
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"KCFLAGS=-fdiagnostics-color=always -Wno-error=misleading-indentation ${KERNEL_EXTRA_CFLAGS:-""}" # Force GCC colored messages, downgrade misleading indentation to warning
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"SOURCE_DATE_EPOCH=${kernel_base_revision_ts}" # https://reproducible-builds.org/docs/source-date-epoch/ and https://www.kernel.org/doc/html/latest/kbuild/reproducible-builds.html
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"KBUILD_BUILD_TIMESTAMP=${kernel_base_revision_date}" # https://www.kernel.org/doc/html/latest/kbuild/kbuild.html#kbuild-build-timestamp
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"KBUILD_BUILD_USER=armbian" # https://www.kernel.org/doc/html/latest/kbuild/kbuild.html#kbuild-build-user-kbuild-build-host
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"KBUILD_BUILD_HOST=next" # https://www.kernel.org/doc/html/latest/kbuild/kbuild.html#kbuild-build-user-kbuild-build-host
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"KGZIP=pigz" "KBZIP2=pbzip2" # Parallel compression, use explicit parallel compressors https://lore.kernel.org/lkml/20200901151002.988547791@linuxfoundation.org/ # @TODO: what about XZ?
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)
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# last statement, so it passes the result to calling function. "env -i" is used for empty env
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full_command=("${KERNEL_MAKE_RUNNER:-run_host_command_logged}" "env" "-i" "${common_make_envs[@]}"
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make "${common_make_params_quoted[@]@Q}" "$@" "${make_filter}")
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"${full_command[@]}" # and exit with it's code, since it's the last statement
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}
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function run_kernel_make() {
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KERNEL_MAKE_RUNNER="run_host_command_logged" KERNEL_MAKE_UNBUFFER="unbuffer" run_kernel_make_internal "$@"
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}
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function run_kernel_make_dialog() {
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KERNEL_MAKE_RUNNER="run_host_command_dialog" run_kernel_make_internal "$@"
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}
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function run_kernel_make_long_running() {
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local seconds_start=${SECONDS} # Bash has a builtin SECONDS that is seconds since start of script
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KERNEL_MAKE_UNBUFFER="unbuffer" run_kernel_make_internal "$@"
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display_alert "Kernel Make '$*' took" "$((SECONDS - seconds_start)) seconds" "debug"
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}
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function kernel_determine_toolchain() {
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# compare with the architecture of the current Debian node
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# if it matches we use the system compiler
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if dpkg-architecture -e "${ARCH}"; then
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display_alert "Native compilation" "target ${ARCH} on host $(dpkg --print-architecture)"
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else
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display_alert "Cross compilation" "target ${ARCH} on host $(dpkg --print-architecture)"
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toolchain=$(find_toolchain "$KERNEL_COMPILER" "$KERNEL_USE_GCC")
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[[ -z $toolchain ]] && exit_with_error "Could not find required toolchain" "${KERNEL_COMPILER}gcc $KERNEL_USE_GCC"
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fi
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kernel_compiler_version="$(eval env PATH="${toolchain}:${PATH}" "${KERNEL_COMPILER}gcc" -dumpfullversion -dumpversion)"
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display_alert "Compiler version" "${KERNEL_COMPILER}gcc ${kernel_compiler_version}" "info"
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}
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