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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
FORTRAN_NEEDED=fortran
inherit fcaps linux-info toolchain-funcs fortran-2
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/${P}.tar.gz"
LICENSE="GPL-3+"
SLOT="0"
KEYWORDS="~amd64"
IUSE="fortran"
RDEPEND="dev-lang/perl"
DEPEND="${RDEPEND}
fortran? ( sys-devel/gcc:*[fortran] )
dev-lang/lua:0"
CONFIG_CHECK="~X86_MSR"
FILECAPS=(
-M 755 cap_sys_rawio usr/sbin/likwid-accessD --
-M 755 cap_sys_rawio usr/bin/likwid-{perfctr,bench,powermeter}
)
# See Bug 558402
PATCHES=(
"${FILESDIR}/${P}-Makefile.patch"
"${FILESDIR}/${P}-fix-gnustack.patch"
"${FILESDIR}/${P}-config.mk.patch"
)
src_prepare() {
# Set PREFIX path to include sandbox path
sed -e 's:^PREFIX = .*:PREFIX = '${D}'/usr:' -i config.mk || \
die "Failed to set correct prefix path"
# Set the path to library directory.
sed -e 's:$(get_libdir):'$(get_libdir)':' -i config.mk || \
die "Cannot set library path!"
# Set correct LDFLAGS
sed -e '/LIBS/aSHARED_LFLAGS += -Wl,-soname,$@' \
-i make/include_GCC.mk || die "Failed to set correct LDFLAGS"
# Insert date and version info man pages
sed -e 's/<DATE>/21.08.2015/g' \
-e "s/VERSION/${PV}/g" \
-i doc/*.1 || die "Failed to insert date into man pages"
# Set path to the access daemon, once installed into the system
sed -e "/exeprog/s|TOSTRING(ACCESSDAEMON)|\"/usr/sbin/likwid-accessD\"|" \
-i src/access_client.c || die "Failed to set access daemon path"
# Ensure we build with a non executable stack
sed -e "s:\$(SHARED_CFLAGS): \$(SHARED_CFLAGS) -Wa,--noexecstack:" \
-i make/config_defines.mk || die "Failed to set nonexecstack"
if use fortran; then
# If fortran USE is enabled, enable the fortran interfaces
sed -i 's:^FORTRAN_INTERFACE = false:FORTRAN_INTERFACE = likwid.mod:' \
config.mk || die "Enabling of fortran failed"
# Set the correct fortran compiler for GCC
sed -i "s:^FC = ifort:FC = ${FC}:" make/include_GCC.mk \
|| die "Failed to set fortran compiler"
# Set the correct FCFLAGS for gcc fortran
sed -i '/^FCFLAGS/c\FCFLAGS = -J ./ -fsyntax-only' make/include_GCC.mk \
|| die "Failed to set GCC flags for fortran"
fi
# Respect CC
sed -e "s:^CC.*:CC = $(tc-getCC):" \
-i make/include_GCC.mk || die
default
}
src_install () {
default
if use fortran; then
insinto /usr/include
doins likwid.mod
fi
doman doc/*.1
}
pkg_postinst() {
fcaps_pkg_postinst
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\""
}
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