%global real_version 2.02.03
%global tarball_version 0%real_version

Name:           evtgen
Version:        %real_version
Release:        2%{?dist}
Summary:        Event generator for particle physics

License:        GPL-3.0-or-later
URL:            https://evtgen.hepforge.org/
Source0:        https://evtgen.hepforge.org/downloads?f=EvtGen-%{tarball_version}.tar.gz

BuildRequires:  gcc-c++
BuildRequires:  cmake
BuildRequires:  python3
BuildRequires:  pythia8-devel
BuildRequires:  HepMC3-devel
BuildRequires:  HepMC3-search-devel

Requires:       %{name}-data = %{version}-%{release}

%description
EvtGen is a Monte Carlo event generator that simulates the decays
of heavy flavor particles, primarily B and D mesons. It contains
a range of decay models for intermediate and final states
containing scalar, vector and tensor mesons or resonances, as well
as leptons, photons and baryons. Decay amplitudes are used to
generate each branch of a given full decay tree, taking into
account angular and time-dependent correlations which allows for
the simulation of CP-violating processes.

%package devel
Summary:        Development files for evtgen
Requires:       %{name}%{?_isa} = %{version}-%{release}

%description devel
This package contains the header files and libraries needed to
develop applications using evtgen.

%package data
Summary:        Data files for evtgen
Requires:       %{name}%{?_isa} = %{version}-%{release}
BuildArch:      noarch

%description data
This package contains the data files needed by evtgen.

%prep
%autosetup -n EvtGen/R%{gsub %tarball_version [.] -}
# disable setting RPATHs
sed -i '/CMAKE_INSTALL_RPATH/d' cmake/Modules/CompilerFlags.cmake
# don't install static libraries
sed -i '/TARGETS/ s/\<[^[:space:]]*Static[^[:space:]]*\>//g' src/CMakeLists.txt

%build
%cmake -DEVTGEN_PYTHIA=BOOL:ON
%cmake_build

%install
%cmake_install

%files
%license COPYING
%doc %{_docdir}/EvtGen
%{_libdir}/libEvtGen.so.*
%{_libdir}/libEvtGenExternal.so.*

%files devel
%{_libdir}/libEvtGen.so
%{_libdir}/libEvtGenExternal.so
%{_includedir}/EvtGen
%{_includedir}/EvtGenExternal
%{_includedir}/EvtGenBase
%{_includedir}/EvtGenModels
%{_datadir}/EvtGen/cmake

%files data
%{_datadir}/EvtGen/
%exclude %{_datadir}/EvtGen/cmake

%changelog
%autochangelog