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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit autotools dist-kernel-utils flag-o-matic linux-mod toolchain-funcs
DESCRIPTION="Linux ZFS kernel module for sys-fs/zfs"
HOMEPAGE="https://github.com/openzfs/zfs"
if [[ ${PV} == "9999" ]]; then
inherit git-r3
EGIT_REPO_URI="https://github.com/openzfs/zfs.git"
else
VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/openzfs.asc
inherit verify-sig
MY_PV="${PV/_rc/-rc}"
SRC_URI="https://github.com/openzfs/zfs/releases/download/zfs-${MY_PV}/zfs-${MY_PV}.tar.gz"
SRC_URI+=" verify-sig? ( https://github.com/openzfs/zfs/releases/download/zfs-${MY_PV}/zfs-${MY_PV}.tar.gz.asc )"
S="${WORKDIR}/zfs-${PV%_rc?}"
ZFS_KERNEL_COMPAT="6.1"
# increments minor eg 5.14 -> 5.15, and still supports override.
ZFS_KERNEL_DEP="${ZFS_KERNEL_COMPAT_OVERRIDE:-${ZFS_KERNEL_COMPAT}}"
ZFS_KERNEL_DEP="${ZFS_KERNEL_DEP%%.*}.$(( ${ZFS_KERNEL_DEP##*.} + 1))"
if [[ ${PV} != *_rc* ]]; then
KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv ~sparc"
fi
fi
LICENSE="CDDL MIT debug? ( GPL-2+ )"
SLOT="0/${PVR}"
IUSE="custom-cflags debug +rootfs"
RDEPEND="${DEPEND}"
BDEPEND="
dev-lang/perl
app-alternatives/awk
"
# we want dist-kernel block in BDEPEND because of portage resolver.
# since linux-mod.eclass already sets version-unbounded dep, portage
# will pull new versions. So we set it in BDEPEND which takes priority.
# and we don't need in in git ebuild.
if [[ ${PV} != "9999" ]] ; then
BDEPEND+="
verify-sig? ( sec-keys/openpgp-keys-openzfs )
dist-kernel? ( <virtual/dist-kernel-${ZFS_KERNEL_DEP}:= )
"
fi
# PDEPEND in this form is needed to trick portage suggest
# enabling dist-kernel if only 1 package have it set
PDEPEND="dist-kernel? ( ~sys-fs/zfs-${PV}[dist-kernel] )"
RESTRICT="debug? ( strip ) test"
DOCS=( AUTHORS COPYRIGHT META README.md )
pkg_pretend() {
use rootfs || return 0
if has_version virtual/dist-kernel && ! use dist-kernel; then
ewarn "You have virtual/dist-kernel installed, but"
ewarn "USE=\"dist-kernel\" is not enabled for ${CATEGORY}/${PN}"
ewarn "It's recommended to globally enable dist-kernel USE flag"
ewarn "to auto-trigger initrd rebuilds with kernel updates"
fi
}
pkg_setup() {
CONFIG_CHECK="
!DEBUG_LOCK_ALLOC
EFI_PARTITION
MODULES
!PAX_KERNEXEC_PLUGIN_METHOD_OR
!TRIM_UNUSED_KSYMS
ZLIB_DEFLATE
ZLIB_INFLATE
"
use debug && CONFIG_CHECK="${CONFIG_CHECK}
FRAME_POINTER
DEBUG_INFO
!DEBUG_INFO_REDUCED
"
use rootfs && \
CONFIG_CHECK="${CONFIG_CHECK}
BLK_DEV_INITRD
DEVTMPFS
"
kernel_is -lt 5 && CONFIG_CHECK="${CONFIG_CHECK} IOSCHED_NOOP"
if [[ ${PV} != "9999" ]]; then
local kv_major_max kv_minor_max zcompat
zcompat="${ZFS_KERNEL_COMPAT_OVERRIDE:-${ZFS_KERNEL_COMPAT}}"
kv_major_max="${zcompat%%.*}"
zcompat="${zcompat#*.}"
kv_minor_max="${zcompat%%.*}"
kernel_is -le "${kv_major_max}" "${kv_minor_max}" || die \
"Linux ${kv_major_max}.${kv_minor_max} is the latest supported version"
fi
kernel_is -ge 3 10 || die "Linux 3.10 or newer required"
linux-mod_pkg_setup
}
src_unpack() {
if use verify-sig ; then
# Needed for downloaded patch (which is unsigned, which is fine)
verify-sig_verify_detached "${DISTDIR}"/zfs-${MY_PV}.tar.gz{,.asc}
fi
default
}
src_prepare() {
default
# Run unconditionally (bug #792627)
eautoreconf
if [[ ${PV} != "9999" ]]; then
# Set module revision number
sed -i "s/\(Release:\)\(.*\)1/\1\2${PR}-gentoo/" META || die "Could not set Gentoo release"
fi
}
src_configure() {
set_arch_to_kernel
use custom-cflags || strip-flags
filter-ldflags -Wl,*
# Set CROSS_COMPILE in the environment.
# This allows the user to override it via make.conf or via a local Makefile.
# https://bugs.gentoo.org/811600
export CROSS_COMPILE=${CROSS_COMPILE-${CHOST}-}
local myconf=(
HOSTCC="$(tc-getBUILD_CC)"
--bindir="${EPREFIX}/bin"
--sbindir="${EPREFIX}/sbin"
--with-config=kernel
--with-linux="${KV_DIR}"
--with-linux-obj="${KV_OUT_DIR}"
$(use_enable debug)
)
econf "${myconf[@]}"
}
src_compile() {
set_arch_to_kernel
myemakeargs=(
HOSTCC="$(tc-getBUILD_CC)"
V=1
)
emake "${myemakeargs[@]}"
}
src_install() {
set_arch_to_kernel
myemakeargs+=(
DEPMOD=:
# INSTALL_MOD_PATH ?= $(DESTDIR) in module/Makefile
DESTDIR="${D}"
)
emake "${myemakeargs[@]}" install
einstalldocs
}
pkg_postinst() {
linux-mod_pkg_postinst
if [[ -z ${ROOT} ]] && use dist-kernel; then
set_arch_to_pkgmgr
dist-kernel_reinstall_initramfs "${KV_DIR}" "${KV_FULL}"
fi
if use x86 || use arm; then
ewarn "32-bit kernels will likely require increasing vmalloc to"
ewarn "at least 256M and decreasing zfs_arc_max to some value less than that."
fi
if has_version sys-boot/grub; then
ewarn "This version of OpenZFS includes support for new feature flags"
ewarn "that are incompatible with previous versions. GRUB2 support for"
ewarn "/boot with the new feature flags is not yet available."
ewarn "Do *NOT* upgrade root pools to use the new feature flags."
ewarn "Any new pools will be created with the new feature flags by default"
ewarn "and will not be compatible with older versions of OpenZFS. To"
ewarn "create a new pool that is backward compatible wih GRUB2, use "
ewarn
ewarn "zpool create -o compatibility=grub2 ..."
ewarn
ewarn "Refer to /usr/share/zfs/compatibility.d/grub2 for list of features."
fi
}
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