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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
FORTRAN_NEEDED=fortran
#PYTHON_COMPAT=( python3_{6,7} )
# 4.3.4 will need python-single-r1
inherit fcaps fortran-2 linux-info toolchain-funcs
DESCRIPTION="A performance-oriented tool suite for x86 multicore environments"
HOMEPAGE="https://github.com/rrze-likwid/likwid"
SRC_URI="https://ftp.fau.de/pub/likwid/${P}.tar.gz"
# If this ebuild is changed to use the bundled Lua-5.3, then MIT should be
# added to the LICENSE field.
LICENSE="GPL-3+ BSD"
SLOT="0"
KEYWORDS="~amd64" # upstream partial support exists for x86 arm arm64
IUSE="fortran" # ${PYTHON_REQUIRED_USE}
# lua:
# likwid's primary functionality is driven by a set of lua scripts installed in
# /usr/bin/
# likwid bundles lua-5.3.2, AND supports using a system copy of lua-5.2 or
# lua-5.3, which we use. This ebuild uses the system copy of Lua instead.
#
# hwloc:
# likwid bundles a MODIFIED copy of hwloc-2.0.0a1 with specific configuration
# for CPU probing & access
#
# Perl:
# likwid uses Perl to convert from an internal text format to ASM listings
# likwid also uses perl for some installed helper scripts
# The build system bundles some Perl modules, that are not removed at this time:
# Parse-RecDescent
# Template
#
# Python:
# Python3 is used for one helper script, filter/json, added after 4.3.3
CDEPEND="dev-lang/perl
dev-lang/lua:5.3"
# filter/json uses Python3
RDEPEND="${CDEPEND}"
#${PYTHON_DEPS}"
# Part of the build process depends on Data::Dumper
# perl-core/Data-Dumper"
DEPEND="${CDEPEND}"
CONFIG_CHECK="~X86_MSR"
FILECAPS=(
-M 755 cap_sys_rawio+ep usr/sbin/likwid-accessD
--
-M 755 cap_sys_rawio+ep usr/sbin/likwid-setFreq
)
PATCHES=(
"${FILESDIR}/${PN}-4.3.1-fix-gnustack.patch"
# Old patches are obsolete:
#"${FILESDIR}/${PN}-4.3.1-Makefile.patch"
#"${FILESDIR}/${PN}-4.3.1-config.mk.patch"
)
pkg_setup() {
fortran-2_pkg_setup
#python-single-r1_pkg_setup
}
src_prepare() {
# Ensure we build with a non executable stack
sed \
-e '/^SHARED_CFLAGS/s/$/ -Wa,--noexecstack/' \
-i make/include_{GCC*,CLANG}.mk \
|| die "Failed to set nonexecstack"
# Make the install targets respect Q= for being quiet or not
# MUCH easier for debugging
sed -r \
-e '/^install/,/^[a-z]/{/^\t@/{ s/@/$(Q)/; }}' \
-i \
Makefile || die "Failed to sed Makefile"
sed -i \
-e '/^\.NOTPARALLEL:/d' \
Makefile \
bench/Makefile \
ext/hwloc/Makefile || die "Failed to re-enable parallel"
default
}
export_emake_opts() {
# Warning: this build system uses PREFIX in a way that differs from
# autoconf! It's more like:
# PREFIX=$(DESTDIR)$(INSTALLED_PREFIX)
# it's not 100% like that, because parts of the Makefiles are inconsistent.
# this is the same solution used in the upstream RPM specs
# these variables are uppercase so they match what's put into Make.
local INSTALLED_PREFIX=/usr
local INSTALLED_LIBPREFIX=/usr/$(get_libdir) # upstream is '$(INSTALLED_PREFIX)/lib'
local INSTALLED_MANPREFIX=/usr/share/man # upstream has it as used but undefined variable.
# TODO: support LUA_SINGLE_TARGET here later for Lua 5.2
local LUASLOT='5.3'
# If the build is too loud, pass 'Q=@'
src_compile_opts=(
"Q="
"INSTALLED_PREFIX=${INSTALLED_PREFIX}"
"INSTALLED_LIBPREFIX=${INSTALLED_LIBPREFIX}"
"INSTALLED_MANPREFIX=${INSTALLED_MANPREFIX}"
"PREFIX=${INSTALLED_PREFIX}"
"LIBPREFIX=${INSTALLED_LIBPREFIX}"
"MANPREFIX=${INSTALLED_MANPREFIX}"
"CC=$(tc-getCC)"
"ANSI_CFLAGS=${CFLAGS}"
"INSTRUMENT_BENCH=true"
"LUA_INCLUDE_DIR=/usr/include/lua${LUASLOT}"
"LUA_LIB_DIR=/usr/$(get_libdir)"
"LUA_LIB_NAME=lua${LUASLOT}"
"LUA_BIN=/usr/bin"
"FORTRAN_INTERFACE=$(usex fortran likwid.mod false)"
"FC=$(usex fortran "${FC}" false)"
"FCFLAGS=-J ./ -fsyntax-only" # needed for building correctly
)
src_install_opts=(
"PREFIX=${D}${INSTALLED_PREFIX}"
"LIBPREFIX=${D}${INSTALLED_LIBPREFIX}"
"MANPREFIX=${D}${INSTALLED_MANPREFIX}"
)
}
src_compile() {
export_emake_opts
emake \
"${src_compile_opts[@]}"
}
src_install() {
export_emake_opts
emake \
"${src_compile_opts[@]}" \
"${src_install_opts[@]}" \
DESTDIR="${D}" \
install
use fortran && doheader likwid.mod
# Fix Python filter added shortly after 4.3.3
#python_fix_shebang "${D}"/usr/share/likwid/filter/
# Do NOT use 'doman'! The upstream 'make install' target does a sed as it's
# generating the final manpage to the real install dir; and the copies in
# ${S} are unmodified.
dodoc README.md CHANGELOG doc/logo.png
dodoc doc/*.txt
dodoc doc/*.md
dodoc -r doc/applications doc/archs
# Fix upstream partial doc install
rm -rf "${D}"/usr/share/likwid/docs || die
ln -sf "/usr/share/doc/${PF}" "${D}"/usr/share/likwid/docs || die
}
pkg_preinst() {
# This is now a symlink, but used to be a plain directory
OLDDOCDIR=/usr/share/likwid/docs
if [[ ! -L "${OLDDOCDIR}" && -d "${OLDDOCDIR}" ]]; then
einfo "Cleaning up old docdir at ${OLDDOCDIR}"
rm -rf "${OLDDOCDIR}" || die
fi
}
pkg_postinst() {
fcaps_pkg_postinst
einfo "If you get 'Cannot gather values from MSR_PLATFORM_INFO', then 'modprobe msr'!"
einfo
ewarn "To enable users to access performance counters it is necessary to"
ewarn "change the access permissions to /dev/cpu/msr[0]* devices."
ewarn "It can be accomplished by adding the following line to file"
ewarn "/etc/udev/rules.d/99-myrules.rules: KERNEL==\"msr[0-9]*\" MODE=\"0666\""
ewarn "Alternatively, assign the MSR files to a unique group and use mode 0660"
}
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