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eclass/linux-info: Sync with gentoo
It's from gentoo commit 1c772ee12dd757251168e43cccc4babc5661212c.
This commit is contained in:
Krzesimir Nowak
parent
93c16d73df
commit
7f17a12ed0
@ -1,4 +1,4 @@
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# Copyright 1999-2020 Gentoo Authors
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# Copyright 1999-2022 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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# @ECLASS: linux-info.eclass
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@ -33,8 +33,10 @@
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# @DESCRIPTION:
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# A string containing the directory of the target kernel sources. The default value is
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# "/usr/src/linux"
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KERNEL_DIR="${KERNEL_DIR:-${ROOT%/}/usr/src/linux}"
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# @ECLASS-VARIABLE: CONFIG_CHECK
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# A string containing a list of .config options to check for before
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# proceeding with the install.
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@ -57,13 +59,20 @@
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# sources.
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# @ECLASS-VARIABLE: ERROR_<CFG>
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# A string containing the error message to display when the check against CONFIG_CHECK
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# fails. <CFG> should reference the appropriate option used in CONFIG_CHECK.
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#
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# e.g.: ERROR_MTRR="MTRR exists in the .config but shouldn't!!"
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# e.g.: ERROR_MTRR="MTRR exists in the .config but shouldn't!!"
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#
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# CONFIG_CHECK="CFG" with ERROR_<CFG>="Error Message" will die
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# CONFIG_CHECK="~CFG" with ERROR_<CFG>="Error Message" calls eerror without dieing
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# CONFIG_CHECK="~CFG" with WARNING_<CFG>="Warning Message" calls ewarn without dieing
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# @ECLASS-VARIABLE: KBUILD_OUTPUT
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# A string passed on commandline, or set from the kernel makefile. It contains the directory
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# which is to be used as the kernel object directory.
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@ -71,36 +80,53 @@
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# There are also a couple of variables which are set by this, and shouldn't be
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# set by hand. These are as follows:
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# @ECLASS-VARIABLE: KERNEL_MAKEFILE
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# @INTERNAL
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# @DESCRIPTION:
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# According to upstream documentation, by default, when make looks for the makefile, it tries
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# the following names, in order: GNUmakefile, makefile and Makefile. Set this variable to the
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# proper Makefile name or the eclass will search in this order for it.
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# See https://www.gnu.org/software/make/manual/make.html
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: ${KERNEL_MAKEFILE:=""}
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# @ECLASS-VARIABLE: KV_FULL
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# @OUTPUT_VARIABLE
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# @DESCRIPTION:
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# A read-only variable. It's a string containing the full kernel version. ie: 2.6.9-gentoo-johnm-r1
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# @ECLASS-VARIABLE: KV_MAJOR
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# @OUTPUT_VARIABLE
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# @DESCRIPTION:
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# A read-only variable. It's an integer containing the kernel major version. ie: 2
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# @ECLASS-VARIABLE: KV_MINOR
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# @OUTPUT_VARIABLE
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# @DESCRIPTION:
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# A read-only variable. It's an integer containing the kernel minor version. ie: 6
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# @ECLASS-VARIABLE: KV_PATCH
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# @OUTPUT_VARIABLE
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# @DESCRIPTION:
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# A read-only variable. It's an integer containing the kernel patch version. ie: 9
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# @ECLASS-VARIABLE: KV_EXTRA
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# @OUTPUT_VARIABLE
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# @DESCRIPTION:
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# A read-only variable. It's a string containing the kernel EXTRAVERSION. ie: -gentoo
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# @ECLASS-VARIABLE: KV_LOCAL
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# @OUTPUT_VARIABLE
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# @DESCRIPTION:
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# A read-only variable. It's a string containing the kernel LOCALVERSION concatenation. ie: -johnm
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# @ECLASS-VARIABLE: KV_DIR
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# @OUTPUT_VARIABLE
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# @DESCRIPTION:
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# A read-only variable. It's a string containing the kernel source directory, will be null if
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# KERNEL_DIR is invalid.
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# @ECLASS-VARIABLE: KV_OUT_DIR
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# @OUTPUT_VARIABLE
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# @DESCRIPTION:
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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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@ -111,13 +137,6 @@ inherit toolchain-funcs
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EXPORT_FUNCTIONS pkg_setup
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IUSE="kernel_linux"
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# Overwritable environment Var's
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# ---------------------------------------
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KERNEL_DIR="${KERNEL_DIR:-${ROOT%/}/usr/src/linux}"
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# Bug fixes
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# fix to bug #75034
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case ${ARCH} in
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@ -183,9 +202,11 @@ getfilevar() {
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unset ARCH
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# We use nonfatal because we want the caller to take care of things #373151
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# Pass need-config= to make to avoid config check in kernel Makefile.
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# Pass dot-config=0 to avoid the config check in kernels prior to 5.4.
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[[ ${EAPI:-0} == [0123] ]] && nonfatal() { "$@"; }
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echo -e "e:\\n\\t@echo \$(${1})\\ninclude ${basefname}" | \
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nonfatal emake -C "${basedname}" M="${T}" ${BUILD_FIXES} -s -f - 2>/dev/null
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nonfatal emake -C "${basedname}" --no-print-directory M="${T}" dot-config=0 need-config= ${BUILD_FIXES} -s -f - 2>/dev/null
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ARCH=${myARCH}
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fi
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@ -383,7 +404,7 @@ kernel_is() {
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linux-info_get_any_version
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# Now we can continue
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local operator test value
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local operator
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case ${1#-} in
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lt) operator="-lt"; shift;;
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@ -395,9 +416,10 @@ kernel_is() {
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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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: $(( test = (KV_MAJOR << 16) + (KV_MINOR << 8) + KV_PATCH ))
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: $(( value = (${1:-${KV_MAJOR}} << 16) + (${2:-${KV_MINOR}} << 8) + ${3:-${KV_PATCH}} ))
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[ ${test} ${operator} ${value} ]
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ver_test \
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"${KV_MAJOR:-0}.${KV_MINOR:-0}.${KV_PATCH:-0}" \
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"${operator}" \
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"${1:-${KV_MAJOR:-0}}.${2:-${KV_MINOR:-0}}.${3:-${KV_PATCH:-0}}"
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}
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get_localversion() {
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@ -445,7 +467,7 @@ get_version_warning_done=
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#
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# The kernel version variables (KV_MAJOR, KV_MINOR, KV_PATCH, KV_EXTRA and KV_LOCAL) are also set.
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#
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# The KV_DIR is set using the KERNEL_DIR env var, the KV_DIR_OUT is set using a valid
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# The KV_DIR is set using the KERNEL_DIR env var, the KV_OUT_DIR is set using a valid
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# KBUILD_OUTPUT (in a decreasing priority list, we look for the env var, makefile var or the
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# symlink /lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build).
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get_version() {
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@ -497,7 +519,9 @@ get_version() {
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qeinfo " ${KV_DIR}"
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fi
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if [ ! -s "${KV_DIR}/Makefile" ]
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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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get_version_warning_done=1
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@ -513,9 +537,6 @@ get_version() {
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# do we pass KBUILD_OUTPUT on the CLI?
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local OUTPUT_DIR=${KBUILD_OUTPUT}
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# keep track of it
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KERNEL_MAKEFILE="${KV_DIR}/Makefile"
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if [[ -z ${OUTPUT_DIR} ]]; then
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# Decide the function used to extract makefile variables.
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local mkfunc=$(get_makefile_extract_function "${KERNEL_MAKEFILE}")
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@ -526,14 +547,11 @@ get_version() {
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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 ${KERNEL_MAKEFILE}. We should be able to trust that
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# the Makefile is simple enough to use the noexec extract function.
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# This has been true for every release thus far, and it's faster
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# than using make to evaluate the Makefile every time.
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KV_MAJOR=$(getfilevar_noexec VERSION "${KERNEL_MAKEFILE}")
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KV_MINOR=$(getfilevar_noexec PATCHLEVEL "${KERNEL_MAKEFILE}")
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KV_PATCH=$(getfilevar_noexec SUBLEVEL "${KERNEL_MAKEFILE}")
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KV_EXTRA=$(getfilevar_noexec EXTRAVERSION "${KERNEL_MAKEFILE}")
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# So we parse ${KERNEL_MAKEFILE}.
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KV_MAJOR=$(getfilevar VERSION "${KERNEL_MAKEFILE}")
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KV_MINOR=$(getfilevar PATCHLEVEL "${KERNEL_MAKEFILE}")
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KV_PATCH=$(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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@ -610,34 +628,27 @@ get_running_version() {
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die "${FUNCNAME}() called on non-Linux system, please fix the ebuild"
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fi
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KV_FULL=$(uname -r)
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local kv=$(uname -r)
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if [[ -f ${ROOT%/}/lib/modules/${KV_FULL}/source/Makefile && -f ${ROOT%/}/lib/modules/${KV_FULL}/build/Makefile ]]; then
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KERNEL_DIR=$(readlink -f ${ROOT%/}/lib/modules/${KV_FULL}/source)
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KBUILD_OUTPUT=$(readlink -f ${ROOT%/}/lib/modules/${KV_FULL}/build)
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unset KV_FULL
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get_version
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return $?
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elif [[ -f ${ROOT%/}/lib/modules/${KV_FULL}/source/Makefile ]]; then
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KERNEL_DIR=$(readlink -f ${ROOT%/}/lib/modules/${KV_FULL}/source)
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unset KV_FULL
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get_version
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return $?
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elif [[ -f ${ROOT%/}/lib/modules/${KV_FULL}/build/Makefile ]]; then
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KERNEL_DIR=$(readlink -f ${ROOT%/}/lib/modules/${KV_FULL}/build)
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unset KV_FULL
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get_version
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return $?
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else
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# This handles a variety of weird kernel versions. Make sure to update
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# tests/linux-info_get_running_version.sh if you want to change this.
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local kv_full=${KV_FULL//[-+_]*}
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KV_MAJOR=$(ver_cut 1 ${kv_full})
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KV_MINOR=$(ver_cut 2 ${kv_full})
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KV_PATCH=$(ver_cut 3 ${kv_full})
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KV_EXTRA="${KV_FULL#${KV_MAJOR}.${KV_MINOR}${KV_PATCH:+.${KV_PATCH}}}"
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: ${KV_PATCH:=0}
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if [[ -f ${ROOT%/}/lib/modules/${kv}/source/Makefile ]]; then
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KERNEL_DIR=$(readlink -f "${ROOT%/}/lib/modules/${kv}/source")
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if [[ -f ${ROOT%/}/lib/modules/${kv}/build/Makefile ]]; then
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KBUILD_OUTPUT=$(readlink -f "${ROOT%/}/lib/modules/${kv}/build")
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fi
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get_version && return 0
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fi
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KV_FULL=${kv}
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# This handles a variety of weird kernel versions. Make sure to update
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# tests/linux-info_get_running_version.sh if you want to change this.
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local kv_full=${KV_FULL//[-+_]*}
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KV_MAJOR=$(ver_cut 1 ${kv_full})
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KV_MINOR=$(ver_cut 2 ${kv_full})
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KV_PATCH=$(ver_cut 3 ${kv_full})
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KV_EXTRA="${KV_FULL#${KV_MAJOR}.${KV_MINOR}${KV_PATCH:+.${KV_PATCH}}}"
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: ${KV_PATCH:=0}
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return 0
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}
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@ -944,20 +955,19 @@ linux-info_pkg_setup() {
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linux-info_get_any_version
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if kernel_is 2 4; then
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if [ "$( gcc-major-version )" -eq "4" ] ; then
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echo
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ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with"
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ewarn "linux-2.4 (or modules building against a linux-2.4 kernel)!"
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echo
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ewarn "Either switch to another gcc-version (via gcc-config) or use a"
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ewarn "newer kernel that supports gcc-4."
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echo
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ewarn "Also be aware that bugreports about gcc-4 not working"
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ewarn "with linux-2.4 based ebuilds will be closed as INVALID!"
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echo
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fi
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fi
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[ -n "${CONFIG_CHECK}" ] && check_extra_config;
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}
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# @FUNCTION: kernel_get_makefile
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# @DESCRIPTION:
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# Support the possibility that the Makefile could be one of the following and should
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# be checked in the order described here:
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# https://www.gnu.org/software/make/manual/make.html
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# Order of checking and valid Makefiles names: GNUMakefile, makefile, Makefile
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kernel_get_makefile() {
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[[ -s ${KV_DIR}/GNUMakefile ]] && KERNEL_MAKEFILE="${KV_DIR}/GNUMakefile" && return
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[[ -s ${KV_DIR}/makefile ]] && KERNEL_MAKEFILE="${KV_DIR}/makefile" && return
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[[ -s ${KV_DIR}/Makefile ]] && KERNEL_MAKEFILE="${KV_DIR}/Makefile" && return
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}
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