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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit toolchain-funcs linux-info autotools flag-o-matic
DESCRIPTION="Misc tools bundled with kernel sources"
HOMEPAGE="https://kernel.org/"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~ppc ~x86"
IUSE="static-libs tcpd usbip"
MY_PV="${PV/_/-}"
MY_PV="${MY_PV/-pre/-git}"
LINUX_V=$(ver_cut 1-2)
get_version_component_count() {
local cnt=( $(ver_rs 1- ' ') )
echo ${#cnt[@]} || die
}
if [ ${PV/_rc} != ${PV} ]; then
LINUX_VER=$(ver_cut 1-2).$(($(ver_cut 3)-1))
PATCH_VERSION=$(ver_cut 1-3)
LINUX_PATCH=patch-${PV//_/-}.xz
SRC_URI="https://www.kernel.org/pub/linux/kernel/v3.x/testing/${LINUX_PATCH}
https://www.kernel.org/pub/linux/kernel/v3.x/testing/v${PATCH_VERSION}/${LINUX_PATCH}"
elif [ $(get_version_component_count) == 4 ]; then
# stable-release series
LINUX_VER=$(ver_cut 1-3)
LINUX_PATCH=patch-${PV}.xz
SRC_URI="https://www.kernel.org/pub/linux/kernel/v3.x/${LINUX_PATCH}"
else
LINUX_VER=${PV}
fi
LINUX_SOURCES=linux-${LINUX_VER}.tar.xz
SRC_URI="${SRC_URI} https://www.kernel.org/pub/linux/kernel/v3.x/${LINUX_SOURCES}"
# pmtools also provides turbostat
# usbip available in seperate package now
RDEPEND="sys-apps/hwids
>=dev-libs/glib-2.6
>=sys-kernel/linux-headers-${LINUX_V}
usbip? (
!net-misc/usbip
tcpd? ( sys-apps/tcp-wrappers )
virtual/libudev
)
!sys-power/pmtools"
DEPEND="${RDEPEND}
virtual/pkgconfig"
S="${WORKDIR}/linux-${LINUX_VER}"
# All of these are integrated with the kernel build system,
# No make install, and ideally build with with the root Makefile
TARGETS_SIMPLE=(
samples/watchdog/watchdog-simple.c
tools/accounting/getdelays.c
tools/cgroup/cgroup_event_listener.c
tools/laptop/freefall/freefall.c
tools/testing/selftests/net/timestamping.c
tools/vm/slabinfo.c
usr/gen_init_cpio.c
# Broken:
#tools/lguest/lguest.c # fails to compile
#tools/vm/page-types.c # page-types.c:(.text+0xe2b): undefined reference to `debugfs__mount', not defined anywhere
#tools/net/bpf_jit_disasm.c # /usr/include/x86_64-pc-linux-gnu/bfd.h:35:2: error: #error config.h must be included before this header
)
# tools/vm/page-types.c - broken, header path issue
# tools/hv/hv_kvp_daemon.c - broken in 3.7 by missing linux/hyperv.h userspace
# Documentation/networking/ifenslave.c - obsolete
# Documentation/ptp/testptp.c - pending linux-headers-3.0
# These have a broken make install, no DESTDIR
TARGET_MAKE_SIMPLE=(
samples/mei:mei-amt-version
tools/firewire:nosy-dump
tools/iio:iio_event_monitor
tools/iio:iio_generic_buffer
tools/iio:lsiio
tools/laptop/dslm:dslm
tools/power/x86/turbostat:turbostat
tools/power/x86/x86_energy_perf_policy:x86_energy_perf_policy
tools/thermal/tmon:tmon
)
# tools/perf - covered by dev-utils/perf
# tools/usb - testcases only
# tools/virtio - testcaes only
#for _pattern in {Documentation,scripts,tools,usr,include,lib,"arch/*/include",Makefile,Kbuild,Kconfig}; do
src_unpack() {
unpack ${LINUX_SOURCES}
MY_A=
for _AFILE in ${A}; do
[[ ${_AFILE} == ${LINUX_SOURCES} ]] && continue
[[ ${_AFILE} == ${LINUX_PATCH} ]] && continue
MY_A="${MY_A} ${_AFILE}"
done
[[ -n ${MY_A} ]] && unpack ${MY_A}
}
src_prepare() {
if [[ -n ${LINUX_PATCH} ]]; then
eapply "${DISTDIR}"/${LINUX_PATCH}
fi
pushd tools/usb/usbip/ >/dev/null &&
sed -i 's/-Werror[^ ]* //g' configure.ac &&
eautoreconf -i -f -v &&
popd >/dev/null || die "usbip"
sed -i \
-e '/^nosy-dump.*LDFLAGS/d' \
-e '/^nosy-dump.*CFLAGS/d' \
-e '/^nosy-dump.*CPPFLAGS/s,CPPFLAGS =,CPPFLAGS +=,g' \
"${S}"/tools/firewire/Makefile
eapply_user
}
kernel_asm_arch() {
a="${1:${ARCH}}"
case ${a} in
# Merged arches
x86|amd64) echo x86 ;;
ppc*) echo powerpc ;;
# Non-merged
alpha|arm|ia64|m68k|mips|sh|sparc*) echo ${1} ;;
*) die "TODO: Update the code for your asm-ARCH symlink" ;;
esac
}
src_configure() {
append-cflags -fcommon
if use usbip; then
pushd tools/usb/usbip/ || die
econf \
$(use_enable static-libs static) \
$(use tcpd || echo --without-tcp-wrappers) \
--with-usbids-dir=/usr/share/misc
popd
fi
}
src_compile() {
local karch=$(kernel_asm_arch "${ARCH}")
# This is the minimal amount needed to start building host binaries.
#emake allmodconfig ARCH=${karch}
#emake prepare modules_prepare ARCH=${karch}
#touch Module.symvers
# Now we can start building
append-cflags -I./tools/lib
for s in ${TARGETS_SIMPLE[@]} ; do
dir=$(dirname $s) src=$(basename $s) bin=${src%.c}
einfo "Building $s => $bin"
emake -f /dev/null M=${dir} ARCH=${karch} ${s%.c}
done
for t in ${TARGET_MAKE_SIMPLE[@]} ; do
dir=${t/:*} target_binfile=${t#*:}
target=${target_binfile/:*} binfile=${target_binfile/*:}
[ -z "${binfile}" ] && binfile=$target
einfo "Building $dir => $binfile (via emake $target)"
emake -C $dir ARCH=${karch} $target
done
if use usbip; then
emake -C tools/usb/usbip
fi
}
src_install() {
into /usr
for s in ${TARGETS_SIMPLE[@]} ; do
dir=$(dirname $s) src=$(basename $s) bin=${src%.c}
einfo "Installing $s => $bin"
dosbin ${dir}/${bin}
done
for t in ${TARGET_MAKE_SIMPLE[@]} ; do
dir=${t/:*} target_binfile=${t#*:}
target=${target_binfile/:*} binfile=${target_binfile/*:}
[ -z "${binfile}" ] && binfile=$target
einfo "Installing $dir => $binfile"
dosbin ${dir}/${binfile}
done
if use usbip; then
pushd tools/usb/usbip/ >/dev/null || die "usbip"
emake DESTDIR="${D}" install
newdoc README README.usbip
newdoc AUTHORS AUTHORS.usbip
popd >/dev/null
dodoc Documentation/usb/usbip_protocol.rst
find "${D}" -name 'libusbip*.la' -delete || die
fi
# At one point upstream it was moved, but be generic to detect if it's
# happened already
if [[ -f "${D}"/usr/sbin/generic_buffer ]] && \
[[ ! -f "${D}"/usr/sbin/iio_generic_buffer ]]; then
mv -f "${D}"/usr/sbin/{,iio_}generic_buffer || die
fi
newconfd "${FILESDIR}"/freefall.confd freefall
newinitd "${FILESDIR}"/freefall.initd freefall
}
pkg_postinst() {
echo
elog "The cpupower utility is maintained separately at sys-power/cpupower"
elog "The lguest utility no longer builds, and has been dropped."
elog "The hpfall tool has been renamed by upstream to freefall; update your config if needed"
if find "${ROOT}"/etc/runlevels/ -name hpfall ; then
ewarn "You must change hpfall to freefall in your runlevels!"
fi
if use usbip; then
elog "For using USB/IP you need to enable USBIP_VHCI_HCD in the client"
elog "machine's kernel config and USBIP_HOST on the server."
fi
}
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