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# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit eutils multilib toolchain-funcs versionator
MV=$(get_major_version)
MY_P=${PN}$(replace_all_version_separators "" ${PV})
LHA_VER="6.1"
DESCRIPTION="Lund Monte Carlo high-energy physics event generator"
HOMEPAGE="http://pythia8.hepforge.org/"
SRC_URI="http://home.thep.lu.se/~torbjorn/${PN}${MV}/${MY_P}.tgz
test? ( lhapdf? (
https://www.hepforge.org/archive/lhapdf/pdfsets/${LHA_VER}/CT10.tar.gz
https://www.hepforge.org/archive/lhapdf/pdfsets/${LHA_VER}/MRST2007lomod.tar.gz
https://www.hepforge.org/archive/lhapdf/pdfsets/${LHA_VER}/NNPDF23_nlo_as_0119_qed_mc.tar.gz
https://www.hepforge.org/archive/lhapdf/pdfsets/${LHA_VER}/NNPDF23_nnlo_as_0119_qed_mc.tar.gz
https://www.hepforge.org/archive/lhapdf/pdfsets/${LHA_VER}/cteq66.tar.gz
https://www.hepforge.org/archive/lhapdf/pdfsets/${LHA_VER}/cteq6l1.tar.gz
https://www.hepforge.org/archive/lhapdf/pdfsets/${LHA_VER}/unvalidated/MRST2004qed.tar.gz
) )"
SLOT="8"
LICENSE="GPL-2"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
IUSE="doc examples gzip +hepmc fastjet lhapdf root static-libs test"
RESTRICT="!test? ( test )"
RDEPEND="
fastjet? ( >=sci-physics/fastjet-3 )
gzip? ( sys-libs/zlib )
hepmc? ( sci-physics/hepmc:0= )
lhapdf? ( >=sci-physics/lhapdf-6:= )
"
# ROOT is used only when building related tests
DEPEND="${RDEPEND}
test? ( root? ( sci-physics/root:= ) )
"
S="${WORKDIR}/${MY_P}"
pkg_pretend() {
if use root && ! use test; then
ewarn "ROOT support will only affect examples code build during test stage."
ewarn "Since you have tests disabled, this is a no-op."
fi
}
src_prepare() {
PYTHIADIR="/usr/share/pythia8"
EPYTHIADIR="${EPREFIX}${PYTHIADIR}"
# set datadir for xmldor in include file
sed -i \
-e "s:../share/Pythia8/xmldoc:${EPYTHIADIR}/xmldoc:" \
include/Pythia8/Pythia.h || die
# respect libdir, prefix, flags
sed -i \
-e "s:/lib:/$(get_libdir):g" \
-e "s:/usr:${EPREFIX}/usr:g" \
-e "s:-O2:${CXXFLAGS}:g" \
-e "s:Cint:Core:g" \
configure || die
sed -i 's:$(CXX) $^ -o $@ $(CXX_COMMON) $(CXX_SHARED):$(CXX) $(LDFLAGS) $^ -o $@ $(CXX_COMMON) $(CXX_SHARED):g' \
Makefile || die
sed -i 's:$(CXX):$(CXX) $(LDFLAGS):' examples/Makefile || die
# we use lhapdf6 instead of lhapdf5
# some PDFs changed, use something similar
sed -i \
-e "s:LHAPDF5:LHAPDF6:g" \
-e "s:\.LHgrid::g" \
-e "s:\.LHpdf::g" \
-e "s:MRST2001lo:MRST2007lomod:g" \
-e "s:cteq6ll:cteq6l1:g" \
-e "s:cteq6m:cteq66:g" \
examples/*.{cc,cmnd} || die
# After lhapdf5->6 migration PDFs are identical within ~1/1000
# https://www.hepforge.org/archive/lhapdf/pdfsets/6.1/README
sed -i \
-e "s:1e-8:3e-1:g" \
-e "s:nlo_as_0119_qed:nlo_as_0119_qed_mc:g" \
-e "s:xmldoc:share/Pythia8/xmldoc:g" \
examples/main54.cc || die
# ask cflags from root
sed -i "s:root-config:root-config --cflags:g" examples/Makefile || die
if ! use static-libs; then
sed -i \
-e '/TARGETS=$(LOCAL_LIB)\/libpythia8\.a/d' \
-e 's:libpythia8\.a$:libpythia8$(LIB_SUFFIX):g' \
Makefile || die
sed -i 's:libpythia8\.a:libpythia8$(LIB_SUFFIX):g' \
examples/Makefile || die
fi
eapply "${FILESDIR}/${PF}-run-tests.patch"
eapply "${FILESDIR}/${PN}8209-root-noninteractive.patch"
eapply_user
}
# TODO: the following optional packages are out of Gentoo tree:
# - EvtGen http://atlas-computing.web.cern.ch/atlas-computing/links/externalDirectory/EvtGen/
# - PowHEG http://powhegbox.mib.infn.it/
# - ProMC https://github.com/Argonne-National-Laboratory/ProMC/
src_configure() {
# homemade configure script
./configure \
--arch=Linux \
--cxx=$(tc-getCXX) \
--enable-shared \
--prefix="${EPREFIX}/usr" \
--prefix-lib="$(get_libdir)" \
--prefix-share="${EPYTHIADIR}" \
$(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
# fix pythia config script
sed -i \
-e 's:pythia8/examples/Makefile.inc:pythia8/Makefile.inc:' \
-e 's:LINE%=:LINE%%=:' \
bin/pythia8-config || die
}
src_test() {
cd examples || die
local tests="$(echo main{{01..32},37,38,61,62,73,80}.out)"
use hepmc && tests+=" $(echo main{41,42,85,86}.out)"
use hepmc && use lhapdf && tests+=" $(echo main{43,{87..89}}.out)"
use lhapdf && tests+=" $(echo main{51..54}.out)"
use fastjet && tests+=" $(echo main{71,72}.out)"
use fastjet && use hepmc && use lhapdf && tests+=" $(echo main{81..84}).out"
use root && tests+=" main91.out"
# Disabled tests:
# 33 needs PowHEG
# 46 needs ProMC
# 48 needs EvtGen
# 92 generated ROOT dictionary is badly broken
# use emake for parallel instead of long runmains
LD_LIBRARY_PATH="${S}/$(get_libdir):${LD_LIBRARY_PATH}" \
PYTHIA8DATA="../share/Pythia8/xmldoc/" \
LHAPDF_DATA_PATH="${WORKDIR}" \
emake ${tests}
emake clean
}
src_install() {
# make install is too broken, much easier to install manually
dobin bin/pythia8-config
doheader -r include/*
dolib lib/*
insinto "${PYTHIADIR}"
doins -r share/Pythia8/xmldoc examples/Makefile.inc
echo "PYTHIA8DATA=${EPYTHIADIR}/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
# reuse system Makefile.inc
rm examples/Makefile.inc || die
sed -i "s:include Makefile.inc:include ${EPYTHIADIR}:" \
examples/Makefile || die
insinto /usr/share/doc/${PF}
doins -r examples
docompress -x /usr/share/doc/${PF}/examples
fi
# cleanup
unset PYTHIADIR EPYTHIADIR
}
|
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