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eclass/linux-info: Sync with Gentoo
It's from Gentoo commit bd03dc08515969a9ce74ca1304c8374cb7a88416.
This commit is contained in:
Krzesimir Nowak
parent
af44411e90
commit
5a9282cce5
@ -29,13 +29,22 @@
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# A Couple of env vars are available to effect usage of this eclass
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# These are as follows:
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# @ECLASS-VARIABLE: KERNEL_DIR
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# @ECLASS_VARIABLE: CHECKCONFIG_DONOTHING
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# @USER_VARIABLE
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# Do not error out in check_extra_config if CONFIG settings are not met.
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# This is a user flag and should under _no circumstances_ be set in the ebuild.
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: ${CHECKCONFIG_DONOTHING:=""}
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# @ECLASS_VARIABLE: KERNEL_DIR
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# @DESCRIPTION:
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# A string containing the directory of the target kernel sources. The default value is
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# "/usr/src/linux"
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KERNEL_DIR="${KERNEL_DIR:-${ROOT%/}/usr/src/linux}"
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# @ECLASS-VARIABLE: CONFIG_CHECK
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# @ECLASS_VARIABLE: CONFIG_CHECK
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# A string containing a list of .config options to check for before
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@ -58,7 +67,7 @@ KERNEL_DIR="${KERNEL_DIR:-${ROOT%/}/usr/src/linux}"
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# This is to allow usage of binary kernels, and minimal systems without kernel
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# sources.
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# @ECLASS-VARIABLE: ERROR_<CFG>
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# @ECLASS_VARIABLE: ERROR_<CFG>
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# A string containing the error message to display when the check against CONFIG_CHECK
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@ -71,7 +80,7 @@ KERNEL_DIR="${KERNEL_DIR:-${ROOT%/}/usr/src/linux}"
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# CONFIG_CHECK="~CFG" with WARNING_<CFG>="Warning Message" calls ewarn without dieing
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# @ECLASS-VARIABLE: KBUILD_OUTPUT
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# @ECLASS_VARIABLE: KBUILD_OUTPUT
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# @DEFAULT_UNSET
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# @DESCRIPTION:
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# A string passed on commandline, or set from the kernel makefile. It contains the directory
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@ -80,7 +89,7 @@ KERNEL_DIR="${KERNEL_DIR:-${ROOT%/}/usr/src/linux}"
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# There are also a couple of variables which are set by this, and shouldn't be
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# set by hand. These are as follows:
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# @ECLASS-VARIABLE: KERNEL_MAKEFILE
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# @ECLASS_VARIABLE: KERNEL_MAKEFILE
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# @INTERNAL
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# @DESCRIPTION:
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# According to upstream documentation, by default, when make looks for the makefile, it tries
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@ -89,48 +98,58 @@ KERNEL_DIR="${KERNEL_DIR:-${ROOT%/}/usr/src/linux}"
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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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# @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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# @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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# @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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# @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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# @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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# @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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# @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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# @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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# @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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# 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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# And to ensure all the weirdness with crosscompile
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inherit toolchain-funcs
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[[ ${EAPI:-0} == [0123456] ]] && inherit eapi7-ver
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@ -148,15 +167,15 @@ esac
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# @DESCRIPTION:
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# Set the env ARCH to match what the kernel expects.
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set_arch_to_kernel() { export ARCH=$(tc-arch-kernel); }
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# @FUNCTION: set_arch_to_portage
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# @DESCRIPTION:
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# Set the env ARCH to match what portage expects.
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set_arch_to_portage() { export ARCH=$(tc-arch); }
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# qeinfo "Message"
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# -------------------
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# qeinfo is a quiet einfo call when EBUILD_PHASE
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# should not have visible output.
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# @FUNCTION: set_arch_to_pkgmgr
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# @DESCRIPTION:
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# Set the env ARCH to match what the package manager expects.
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set_arch_to_pkgmgr() { export ARCH=$(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() {
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local outputmsg type
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type=${1}
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@ -170,8 +189,21 @@ qout() {
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[ -n "${outputmsg}" ] && ${type} "${outputmsg}"
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}
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# @FUNCTION: qeinfo
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# @DESCRIPTION:
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# qeinfo is a quiet einfo call when EBUILD_PHASE should not have visible output.
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qeinfo() { qout einfo "${@}" ; }
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# @FUNCTION: qewarn
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# @DESCRIPTION:
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# qewarn is a quiet ewarn call when EBUILD_PHASE
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# should not have visible output.
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qewarn() { qout ewarn "${@}" ; }
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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() { qout eerror "${@}" ; }
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# File Functions
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@ -244,7 +276,7 @@ getfilevar_noexec() {
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fi
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}
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# @ECLASS-VARIABLE: _LINUX_CONFIG_EXISTS_DONE
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# @ECLASS_VARIABLE: _LINUX_CONFIG_EXISTS_DONE
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# @INTERNAL
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# @DESCRIPTION:
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# This is only set if one of the linux_config_*exists functions has been called.
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@ -253,6 +285,10 @@ getfilevar_noexec() {
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# config is available at all.
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_LINUX_CONFIG_EXISTS_DONE=
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# @FUNCTION: linux_config_qa_check
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# @INTERNAL
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# @DESCRIPTION:
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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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@ -313,6 +349,9 @@ 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 ${SKIP_KERNEL_CHECK} ]] && return
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if ! use kernel_linux; then
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die "${FUNCNAME}() called on non-Linux system, please fix the ebuild"
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fi
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@ -335,6 +374,7 @@ require_configured_kernel() {
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# If linux_config_exists returns false, the results of this are UNDEFINED. You
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# MUST call linux_config_exists first.
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linux_chkconfig_present() {
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[[ -n ${SKIP_KERNEL_CHECK} ]] && return
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linux_config_qa_check linux_chkconfig_present
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[[ $(getfilevar_noexec "CONFIG_$1" "$(linux_config_path)") == [my] ]]
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}
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@ -347,6 +387,7 @@ linux_chkconfig_present() {
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# If linux_config_exists returns false, the results of this are UNDEFINED. You
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# MUST call linux_config_exists first.
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linux_chkconfig_module() {
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[[ -n ${SKIP_KERNEL_CHECK} ]] && return
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linux_config_qa_check linux_chkconfig_module
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[[ $(getfilevar_noexec "CONFIG_$1" "$(linux_config_path)") == m ]]
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}
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@ -359,6 +400,7 @@ linux_chkconfig_module() {
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# If linux_config_exists returns false, the results of this are UNDEFINED. You
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# MUST call linux_config_exists first.
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linux_chkconfig_builtin() {
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[[ -n ${SKIP_KERNEL_CHECK} ]] && return
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linux_config_qa_check linux_chkconfig_builtin
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[[ $(getfilevar_noexec "CONFIG_$1" "$(linux_config_path)") == y ]]
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}
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@ -371,6 +413,7 @@ linux_chkconfig_builtin() {
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# If linux_config_exists returns false, the results of this are UNDEFINED. You
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# MUST call linux_config_exists first.
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linux_chkconfig_string() {
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[[ -n ${SKIP_KERNEL_CHECK} ]] && return
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linux_config_qa_check linux_chkconfig_string
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getfilevar_noexec "CONFIG_$1" "$(linux_config_path)"
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}
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@ -422,26 +465,9 @@ kernel_is() {
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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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local lv_list i x
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local shopt_save=$(shopt -p nullglob)
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shopt -s nullglob
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local files=( ${1}/localversion* )
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${shopt_save}
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# ignore files with ~ in it.
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for i in "${files[@]}"; do
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[[ -n ${i//*~*} ]] && lv_list="${lv_list} ${i}"
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done
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for i in ${lv_list}; do
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x="${x}$(<${i})"
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done
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x=${x/ /}
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echo ${x}
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}
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# @FUNCTION: get_makefile_extract_function
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# @INTERNAL
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# @DESCRIPTION:
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# Check if the Makefile is valid for direct parsing.
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# Check status results:
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# - PASS, use 'getfilevar' to extract values
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@ -450,6 +476,7 @@ get_localversion() {
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# - make is not present
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# - corruption exists in the kernel makefile
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get_makefile_extract_function() {
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[[ -n ${SKIP_KERNEL_CHECK} ]] && return
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local a='' b='' mkfunc='getfilevar'
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a="$(getfilevar VERSION ${KERNEL_MAKEFILE})"
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b="$(getfilevar_noexec VERSION ${KERNEL_MAKEFILE})"
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@ -457,7 +484,10 @@ get_makefile_extract_function() {
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echo "${mkfunc}"
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}
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# internal variable, so we know to only print the warning once
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# @ECLASS_VARIABLE: get_version_warning_done
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# @INTERNAL
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# @DESCRIPTION:
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# Internal variable, so we know to only print the warning once.
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get_version_warning_done=
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# @FUNCTION: get_version
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@ -477,6 +507,8 @@ get_version() {
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local tmplocal
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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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@ -685,6 +717,9 @@ check_kernel_built() {
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fi
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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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require_configured_kernel
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local versionh_path
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@ -781,7 +816,7 @@ check_extra_config() {
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require_configured_kernel
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fi
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einfo "Checking for suitable kernel configuration options..."
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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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@ -857,6 +892,7 @@ check_extra_config() {
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done
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if [[ ${hard_errors_count} -gt 0 ]]; then
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eend 1
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eerror "Please check to make sure these options are set correctly."
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eerror "Failure to do so may cause unexpected problems."
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eerror "Once you have satisfied these options, please try merging"
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@ -864,6 +900,7 @@ check_extra_config() {
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export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
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die "Incorrect kernel configuration options"
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elif [[ ${soft_errors_count} -gt 0 ]]; then
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eend 1
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ewarn "Please check to make sure these options are set correctly."
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ewarn "Failure to do so may cause unexpected problems."
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else
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@ -872,6 +909,9 @@ check_extra_config() {
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export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
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}
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# @FUNCTION: check_zlibinflate
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# @DESCRIPTION:
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# Function to make sure a ZLIB_INFLATE configuration has the required symbols.
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check_zlibinflate() {
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if ! use kernel_linux; then
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die "${FUNCNAME}() called on non-Linux system, please fix the ebuild"
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@ -955,7 +995,7 @@ linux-info_pkg_setup() {
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linux-info_get_any_version
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[ -n "${CONFIG_CHECK}" ] && 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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