mirror of
https://github.com/flatcar/scripts.git
synced 2025-08-15 08:56:58 +02:00
eclass/linux-info: Sync with Gentoo
It's from Gentoo commit 917d3e5c87b8e6bd1a197d450b6e0304e4e75bf2.
This commit is contained in:
Flatcar Buildbot
Krzesimir Nowak
parent
0fb8d40580
commit
05331e71db
@ -140,13 +140,12 @@ KERNEL_DIR="${KERNEL_DIR:-${ROOT%/}/usr/src/linux}"
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# A read-only variable. It's a string containing the kernel object directory, will be KV_DIR unless
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# KBUILD_OUTPUT is used. This should be used for referencing .config.
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# @ECLASS_VARIABLE: SKIP_KERNEL_CHECK
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# @USER_VARIABLE
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# Do not check for kernel sources or a running kernel version
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# Main use-case is for chroots
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# Do not check for kernel sources or a running kernel version.
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# Main use-case is for chroots.
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# This is a user flag and should under _no circumstances_ be set in the ebuild.
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: ${SKIP_KERNEL_CHECK:=""}
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@ -156,8 +155,7 @@ inherit toolchain-funcs
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EXPORT_FUNCTIONS pkg_setup
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# Bug fixes
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# fix to bug #75034
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# bug #75034
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case ${ARCH} in
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ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
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ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
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@ -175,7 +173,7 @@ set_arch_to_pkgmgr() { export ARCH=$(tc-arch); }
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# @FUNCTION: qout
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# @DESCRIPTION:
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# qout <einfo | ewarn | eerror> is a quiet call when EBUILD_PHASE should not have visible output.
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# qout <einfo | ewarn | eerror> is a quiet call when EBUILD_PHASE should not have visible output.
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qout() {
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local outputmsg type
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type=${1}
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@ -186,7 +184,7 @@ qout() {
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clean) unset outputmsg;;
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preinst) unset outputmsg;;
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esac
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[ -n "${outputmsg}" ] && ${type} "${outputmsg}"
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[[ -n "${outputmsg}" ]] && ${type} "${outputmsg}"
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}
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# @FUNCTION: qeinfo
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@ -196,14 +194,12 @@ qeinfo() { qout einfo "${@}" ; }
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# @FUNCTION: qewarn
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# @DESCRIPTION:
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# qewarn is a quiet ewarn call when EBUILD_PHASE
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# should not have visible output.
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# qewarn is a quiet ewarn call when EBUILD_PHASE should not have visible output.
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qewarn() { qout ewarn "${@}" ; }
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# @FUNCTION: qeerror
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# @DESCRIPTION:
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# qeerror is a quiet error call when EBUILD_PHASE
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# should not have visible output.
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# qeerror is a quiet error call when EBUILD_PHASE should not have visible output.
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qeerror() { qout eerror "${@}" ; }
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# File Functions
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@ -213,18 +209,17 @@ qeerror() { qout eerror "${@}" ; }
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# @USAGE: <variable> <configfile>
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# @RETURN: the value of the variable
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# @DESCRIPTION:
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# It detects the value of the variable defined in the file configfile. This is
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# done by including the configfile, and printing the variable with Make.
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# It detects the value of the variable defined in the file 'configfile'. This is
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# done by including the 'configfile', and printing the variable with Make.
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# It WILL break if your makefile has missing dependencies!
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getfilevar() {
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local ERROR basefname basedname myARCH="${ARCH}"
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ERROR=0
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[ -z "${1}" ] && ERROR=1
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[ ! -f "${2}" ] && ERROR=1
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[[ -z "${1}" ]] && ERROR=1
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[[ ! -f "${2}" ]] && ERROR=1
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if [ "${ERROR}" = 1 ]
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then
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if [[ "${ERROR}" = 1 ]]; then
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echo -e "\n"
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eerror "getfilevar requires 2 variables, with the second a valid file."
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eerror " getfilevar <VARIABLE> <CONFIGFILE>"
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@ -250,7 +245,7 @@ getfilevar() {
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# @USAGE: <variable> <configfile>
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# @RETURN: the value of the variable
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# @DESCRIPTION:
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# It detects the value of the variable defined in the file configfile.
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# It detects the value of the variable defined in the file 'configfile'.
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# This is done with sed matching an expression only. If the variable is defined,
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# you will run into problems. See getfilevar for those cases.
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getfilevar_noexec() {
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@ -258,12 +253,11 @@ getfilevar_noexec() {
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ERROR=0
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mycat='cat'
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[ -z "${1}" ] && ERROR=1
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[ ! -f "${2}" ] && ERROR=1
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[ "${2%.gz}" != "${2}" ] && mycat='zcat'
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[[ -z "${1}" ]] && ERROR=1
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[[ ! -f "${2}" ]] && ERROR=1
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[[ "${2%.gz}" != "${2}" ]] && mycat='zcat'
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if [ "${ERROR}" = 1 ]
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then
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if [[ "${ERROR}" = 1 ]]; then
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echo -e "\n"
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eerror "getfilevar_noexec requires 2 variables, with the second a valid file."
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eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>"
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@ -293,7 +287,8 @@ _LINUX_CONFIG_EXISTS_DONE=
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# Helper funciton which returns an error before the function argument is run if no config exists
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linux_config_qa_check() {
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local f="$1"
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if [ -z "${_LINUX_CONFIG_EXISTS_DONE}" ]; then
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if [[ -z "${_LINUX_CONFIG_EXISTS_DONE}" ]]; then
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ewarn "QA: You called $f before any linux_config_exists!"
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ewarn "QA: The return value of $f will NOT guaranteed later!"
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fi
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@ -351,7 +346,6 @@ linux_config_path() {
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# This function verifies that the current kernel is configured (it checks against the existence of .config)
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# otherwise it dies.
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require_configured_kernel() {
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[[ -n ${SKIP_KERNEL_CHECK} ]] && return
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if ! use kernel_linux; then
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@ -365,6 +359,7 @@ require_configured_kernel() {
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qeerror "it points to the necessary object directory so that it might find .config."
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die "Kernel not configured; no .config found in ${KV_OUT_DIR}"
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fi
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get_version || die "Unable to determine configured kernel version"
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}
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@ -445,7 +440,7 @@ kernel_is() {
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die "${FUNCNAME}() called on non-Linux system, please fix the ebuild"
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fi
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# if we haven't determined the version yet, we need to.
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# If we haven't determined the version yet, we need to.
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linux-info_get_any_version
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# Now we can continue
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@ -459,7 +454,7 @@ kernel_is() {
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eq) operator="-eq"; shift;;
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*) operator="-eq";;
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esac
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[[ $# -gt 3 ]] && die "Error in kernel-2_kernel_is(): too many parameters"
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[[ $# -gt 3 ]] && die "Error in ${ECLASS}_${FUNCNAME}(): too many parameters"
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ver_test \
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"${KV_MAJOR:-0}.${KV_MINOR:-0}.${KV_PATCH:-0}" \
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@ -511,26 +506,25 @@ get_version() {
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[[ -n ${SKIP_KERNEL_CHECK} ]] && return
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# no need to execute this twice assuming KV_FULL is populated.
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# we can force by unsetting KV_FULL
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[ -n "${KV_FULL}" ] && return 0
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# No need to execute this twice assuming KV_FULL is populated.
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# We can force by unsetting KV_FULL.
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[[ -n "${KV_FULL}" ]] && return 0
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# if we dont know KV_FULL, then we need too.
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# make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR
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# If we don't know KV_FULL, then we need to.
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# Make sure KV_DIR isn't set since we need to work it out via KERNEL_DIR.
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unset KV_DIR
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# KV_DIR will contain the full path to the sources directory we should use
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[ -z "${get_version_warning_done}" ] && \
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[[ -z "${get_version_warning_done}" ]] && \
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qeinfo "Determining the location of the kernel source code"
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[ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}"
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[[ -d "${KERNEL_DIR}" ]] && KV_DIR="${KERNEL_DIR}"
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if [ -z "${KV_DIR}" ]
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then
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if [ -z "${get_version_warning_done}" ]; then
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if [[ -z "${KV_DIR}" ]]; then
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if [[ -z "${get_version_warning_done}" ]]; then
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get_version_warning_done=1
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qewarn "Unable to find kernel sources at ${KERNEL_DIR}"
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#qeinfo "This package requires Linux sources."
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if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then
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if [[ "${KERNEL_DIR}" == "/usr/src/linux" ]] ; then
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qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, "
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qeinfo "(or the kernel you wish to build against)."
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qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location"
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@ -542,22 +536,21 @@ get_version() {
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fi
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# See if the kernel dir is actually an output dir. #454294
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if [ -z "${KBUILD_OUTPUT}" -a -L "${KERNEL_DIR}/source" ]; then
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if [[ -z "${KBUILD_OUTPUT}" && -L "${KERNEL_DIR}/source" ]]; then
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KBUILD_OUTPUT=${KERNEL_DIR}
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KERNEL_DIR=$(readlink -f "${KERNEL_DIR}/source")
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KV_DIR=${KERNEL_DIR}
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fi
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if [ -z "${get_version_warning_done}" ]; then
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if [[ -z "${get_version_warning_done}" ]]; then
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qeinfo "Found kernel source directory:"
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qeinfo " ${KV_DIR}"
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fi
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kernel_get_makefile
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if [[ ! -s ${KERNEL_MAKEFILE} ]]
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then
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if [ -z "${get_version_warning_done}" ]; then
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if [[ ! -s ${KERNEL_MAKEFILE} ]]; then
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if [[ -z "${get_version_warning_done}" ]]; then
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get_version_warning_done=1
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qeerror "Could not find a Makefile in the kernel source directory."
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qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources"
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@ -567,8 +560,9 @@ get_version() {
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# OK so now we know our sources directory, but they might be using
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# KBUILD_OUTPUT, and we need this for .config and localversions-*
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# so we better find it eh?
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# do we pass KBUILD_OUTPUT on the CLI?
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# so we better find it, eh?
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#
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# Do we pass KBUILD_OUTPUT on the CLI?
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local OUTPUT_DIR=${KBUILD_OUTPUT}
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if [[ -z ${OUTPUT_DIR} ]]; then
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@ -579,7 +573,7 @@ get_version() {
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OUTPUT_DIR=$(${mkfunc} KBUILD_OUTPUT "${KERNEL_MAKEFILE}")
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fi
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# And contrary to existing functions I feel we shouldn't trust the
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# And contrary to existing functions, I feel we shouldn't trust the
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# directory name to find version information as this seems insane.
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# So we parse ${KERNEL_MAKEFILE}.
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KV_MAJOR=$(getfilevar VERSION "${KERNEL_MAKEFILE}")
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@ -587,9 +581,8 @@ get_version() {
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KV_PATCH=$(getfilevar SUBLEVEL "${KERNEL_MAKEFILE}")
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KV_EXTRA=$(getfilevar EXTRAVERSION "${KERNEL_MAKEFILE}")
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if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
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then
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if [ -z "${get_version_warning_done}" ]; then
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if [[ -z "${KV_MAJOR}" || -z "${KV_MINOR}" || -z "${KV_PATCH}" ]]; then
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if [[ -z "${get_version_warning_done}" ]]; then
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get_version_warning_done=1
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qeerror "Could not detect kernel version."
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qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources."
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@ -597,9 +590,8 @@ get_version() {
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return 1
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fi
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[ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
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if [ -n "${KV_OUT_DIR}" ];
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then
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[[ -d "${OUTPUT_DIR}" ]] && KV_OUT_DIR="${OUTPUT_DIR}"
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if [[ -n "${KV_OUT_DIR}" ]]; then
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qeinfo "Found kernel object directory:"
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qeinfo " ${KV_OUT_DIR}"
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fi
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@ -609,9 +601,9 @@ get_version() {
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# Grab the kernel release from the output directory.
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# TODO: we MUST detect kernel.release being out of date, and 'return 1' from
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# this function.
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if [ -s "${KV_OUT_DIR}"/include/config/kernel.release ]; then
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if [[ -s "${KV_OUT_DIR}"/include/config/kernel.release ]]; then
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KV_LOCAL=$(<"${KV_OUT_DIR}"/include/config/kernel.release)
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elif [ -s "${KV_OUT_DIR}"/.kernelrelease ]; then
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elif [[ -s "${KV_OUT_DIR}"/.kernelrelease ]]; then
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KV_LOCAL=$(<"${KV_OUT_DIR}"/.kernelrelease)
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else
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KV_LOCAL=
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@ -624,13 +616,13 @@ get_version() {
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# Clear out KV_LOCAL in that case.
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# TODO: this does not detect a change in the localversion part between
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# kernel.release and the value that would be generated.
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if [ "$KV_LOCAL" = "$tmplocal" ]; then
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if [[ "${KV_LOCAL}" = "${tmplocal}" ]]; then
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KV_LOCAL=
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else
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KV_LOCAL=$tmplocal
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KV_LOCAL=${tmplocal}
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fi
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# and in newer versions we can also pull LOCALVERSION if it is set.
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# and in newer versions, we can also pull LOCALVERSION if it is set.
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# but before we do this, we need to find if we use a different object directory.
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# This *WILL* break if the user is using localversions, but we assume it was
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# caught before this if they are.
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@ -718,7 +710,7 @@ check_kernel_built() {
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die "${FUNCNAME}() called on non-Linux system, please fix the ebuild"
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fi
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# if we haven't determined the version yet, we need to
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# If we haven't determined the version yet, we need to
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[[ -n ${SKIP_KERNEL_CHECK} ]] && return
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@ -731,8 +723,7 @@ check_kernel_built() {
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versionh_path="include/linux/version.h"
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fi
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if [ ! -f "${KV_OUT_DIR}/${versionh_path}" ]
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then
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if [[ ! -f "${KV_OUT_DIR}/${versionh_path}" ]]; then
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eerror "These sources have not yet been prepared."
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eerror "We cannot build against an unprepared tree."
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eerror "To resolve this, please type the following:"
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@ -754,7 +745,7 @@ check_modules_supported() {
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die "${FUNCNAME}() called on non-Linux system, please fix the ebuild"
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fi
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# if we haven't determined the version yet, we need too.
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# If we haven't determined the version yet, we need to.
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require_configured_kernel
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if ! linux_chkconfig_builtin "MODULES"; then
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@ -774,12 +765,12 @@ check_extra_config() {
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local config negate die error reworkmodulenames
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local soft_errors_count=0 hard_errors_count=0 config_required=0
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# store the value of the QA check, because otherwise we won't catch usages
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# Store the value of the QA check, because otherwise we won't catch usages
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# after if check_extra_config is called AND other direct calls are done
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# later.
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local old_LINUX_CONFIG_EXISTS_DONE="${_LINUX_CONFIG_EXISTS_DONE}"
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# if we haven't determined the version yet, we need to
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# If we haven't determined the version yet, we need to.
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linux-info_get_any_version
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# Determine if we really need a .config. The only time when we don't need
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@ -820,9 +811,8 @@ check_extra_config() {
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ebegin "Checking for suitable kernel configuration options"
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for config in ${CONFIG_CHECK}
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do
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# if we specify any fatal, ensure we honor them
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for config in ${CONFIG_CHECK}; do
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# If we specify any fatal, ensure we honor them
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die=1
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error=0
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negate=0
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@ -919,7 +909,7 @@ check_zlibinflate() {
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die "${FUNCNAME}() called on non-Linux system, please fix the ebuild"
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fi
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# if we haven't determined the version yet, we need to
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# If we haven't determined the version yet, we need to.
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require_configured_kernel
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# although I restructured this code - I really really really dont support it!
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@ -951,15 +941,15 @@ check_zlibinflate() {
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LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)"
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LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)"
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(( LINENO_AMOUNT = $LINENO_END - $LINENO_START ))
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(( LINENO_END = $LINENO_END - 1 ))
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(( LINENO_AMOUNT = ${LINENO_END} - ${LINENO_START} ))
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(( LINENO_END = ${LINENO_END} - 1 ))
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SYMBOLS="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')"
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# okay, now we have a list of symbols
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# we need to check each one in turn, to see whether it is set or not
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for x in $SYMBOLS ; do
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if [ "${!x}" = "y" ]; then
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# we have a winner!
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for x in ${SYMBOLS} ; do
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if [[ "${!x}" = "y" ]]; then
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# We have a winner!
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einfo "${x} ensures zlib is linked into your kernel - excellent"
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return 0
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fi
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@ -974,7 +964,7 @@ check_zlibinflate() {
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eerror "Please ensure that you enable at least one of these options:"
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eerror
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for x in $SYMBOLS ; do
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for x in ${SYMBOLS} ; do
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eerror " * $x"
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done
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@ -997,7 +987,7 @@ linux-info_pkg_setup() {
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linux-info_get_any_version
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[[ -n "${CONFIG_CHECK}" && -z ${CHECKCONFIG_DONOTHING} ]] && check_extra_config;
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[[ -n "${CONFIG_CHECK}" && -z ${CHECKCONFIG_DONOTHING} ]] && check_extra_config
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}
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# @FUNCTION: kernel_get_makefile
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