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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sci-physics/pythia/pythia-8.1.86.ebuild,v 1.3 2015/05/27 11:19:04 ago Exp $
EAPI=5
inherit eutils versionator toolchain-funcs multilib
MV=$(get_major_version)
MY_P=${PN}$(replace_all_version_separators "" ${PV})
DESCRIPTION="Lund Monte Carlo high-energy physics event generator"
HOMEPAGE="http://pythia8.hepforge.org/"
SRC_URI="http://home.thep.lu.se/~torbjorn/${PN}${MV}/${MY_P}.tgz"
SLOT="8"
LICENSE="GPL-2"
KEYWORDS=""
IUSE="doc examples gzip +hepmc fastjet lhapdf root test"
RDEPEND="
fastjet? ( >=sci-physics/fastjet-3 )
gzip? ( sys-libs/zlib )
hepmc? ( sci-physics/hepmc:0= )
lhapdf? ( >=sci-physics/lhapdf-6:= )
"
# ROOT is used only when building related tests
DEPEND="${RDEPEND}
test? ( root? ( sci-physics/root:= ) )
"
S="${WORKDIR}/${MY_P}"
src_prepare() {
PYTHIADIR="${EPREFIX}/usr/share/pythia8"
# set datadir for xmldor in include file
sed -i \
-e "s:../share/Pythia8/xmldoc:${PYTHIADIR}/xmldoc:" \
include/Pythia8/Pythia.h || die
# respect libdir, prefix, flags
sed -i \
-e "s:/lib:/$(get_libdir):g" \
-e "s:/usr:${EPREFIX}/usr:g" \
-e "s:-O2:${CXXFLAGS}:g" \
-e "s:Cint:Core:g" \
configure || die
# we use lhapdf6 instead of lhapdf5
sed -i \
-e "s:LHAPDF5:LHAPDF6:g" \
-e "s:\.LHgrid::g" \
-e "s:\.LHpdf::g" \
examples/*.{cc,cmnd} || die
# ask cflags from root
sed -i "s:root-config:root-config --cflags:g" examples/Makefile || die
# if ! use static-libs; then
# sed -i \
# -e '/targets.*=$(LIBDIR.*\.a$/d' \
# -e 's/+=\(.*libpythia8\.\)/=\1/' \
# Makefile || die
# sed -i \
# -e 's:\.a:\.so:g' \
# examples/Makefile || die
# fi
}
# TODO: the following optional packages are out of Gentoo tree:
# - EvtGen http://atlas-computing.web.cern.ch/atlas-computing/links/externalDirectory/EvtGen/
# - PowHEG http://powhegbox.mib.infn.it/
# - ProMC https://github.com/Argonne-National-Laboratory/ProMC/
src_configure() {
# homemade configure script
./configure \
--arch=Linux \
--cxx=$(tc-getCXX) \
--enable-shared \
--prefix="${EPREFIX}/usr" \
--prefix-lib="$(get_libdir)" \
--prefix-share="${PYTHIADIR}" \
$(usex fastjet "--with-fastjet3" "") \
$(usex gzip "--with-gzip" "") \
$(usex hepmc "--with-hepmc2" "") \
$(usex lhapdf "--with-lhapdf6
--with-lhapdf6-plugin=LHAPDF6.h
--with-lhapdf6-lib=${EPREFIX}/usr/$(get_libdir)" "") \
$(usex root "--with-root
--with-root-include=${EPREFIX}/usr/include/root
--with-root-lib=${EPREFIX}/usr/$(get_libdir)/root" "") \
|| die
}
src_test() {
cd examples || die
local tests="$(echo main{{01..32},37,38,51,52,54,61,62,73,80})" t
use hepmc && tests+=" $(echo main{41,42,85,86})"
use hepmc && use lhapdf && tests+=" $(echo main{43,{87..89}})"
use lhapdf && tests+=" $(echo main{51..54})"
use fastjet && tests+=" $(echo main{71,72})"
use fastjet && use hepmc && use lhapdf && tests+=" $(echo main{81..84})"
use root && tests+=" main91"
# Disabled tests:
# 33 needs PowHEG
# 46 needs ProMC
# 48 needs EvtGen
# 92 generated ROOT dictionary is badly broken
# some tests need arguments
local -a args
args[16]="main16.cmnd"
args[42]="main42.cmnd hepmcout42.dat"
args[43]="main43.cmnd hepmcout43.dat"
# use emake for parallel instead of long runmains
emake ${tests}
for t in ${tests}; do
einfo "Running test ${t}..."
LD_LIBRARY_PATH="${S}/$(get_libdir):${LD_LIBRARY_PATH}" \
PYTHIA8DATA="../share/Pythia8/xmldoc/" \
./"${t}" ${args[t]} > "${t}.out" || die "test ${t} failed"
done
emake clean
rm main*.out *.dat || die
}
src_install() {
# make install is too broken, much easier to install manually
dobin bin/pythia8-config
doheader -r include/*
dolib lib/*
insinto "/usr/share/pythia8"
doins -r share/Pythia8/xmldoc
echo "PYTHIA8DATA=${PYTHIADIR}/xmldoc" >> 99pythia8
doenvd 99pythia8
dodoc AUTHORS GUIDELINES README
if use doc; then
dodoc share/Pythia8/pdfdoc/*
dohtml -r share/Pythia8/htmldoc/*
fi
if use examples; then
insinto /usr/share/doc/${PF}
doins -r examples
docompress -x /usr/share/doc/${PF}/examples
fi
# cleanup
unset PYTHIADIR
}
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