# OpenCL support requires packaged libxs/libxstream/libxsmm dependencies.
# Keep it disabled until those packages are available in Fedora.
%bcond opencl 0

%global libxs_arch x86_64 aarch64 riscv64

%ifarch %{libxs_arch}
%bcond libxs 1
%else
%bcond libxs 0
%endif

%ifnarch %{libxs_arch}
%if %{with opencl}
%{error:OpenCL requires libxs which is unsupported on %{_arch}}
%endif
%endif

%global use_libxs %[%{with libxs} || %{with opencl}]

# OpenMPI is not available on i686
%bcond openmpi %[ 0%{?__isa_bits} != 32 ]

%global soversion 2.10

Name:          dbcsr
Version:       2.10.0
Release:       4%{?dist}
Summary:       Distributed Block Compressed Sparse Row matrix library
License:       GPL-2.0-or-later
URL:           https://cp2k.github.io/dbcsr/develop/
Source0:       https://github.com/cp2k/dbcsr/releases/download/v%{version}/dbcsr-%{version}.tar.gz

# Expose DBCSR C API to Fortran. Gcc complains about missing symbols otherwise
Patch:         https://github.com/cp2k/dbcsr/pull/1027.patch

BuildRequires: cmake
BuildRequires: gcc-c++
BuildRequires: gcc-gfortran
BuildRequires: flexiblas-devel
%if %{use_libxs}
BuildRequires: cmake(libxs)
BuildRequires: cmake(libxsmm)
%endif
%if %{with opencl}
BuildRequires: cmake(libxstream)
%endif
BuildRequires: python3-fypp

%global _description %{expand:
DBCSR stands for Distributed Blocked Compressed Sparse Row.

DBCSR is a library designed to efficiently perform sparse matrix-matrix
multiplication, among other operations.  It is MPI and OpenMP parallel and
can exploit Nvidia and AMD GPUs via CUDA and HIP.}


%description
%{_description}

This package contains the non-MPI single process and multi-threaded versions.

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

%description devel
The %{name}-devel package contains libraries and header files for
developing applications that use %{name}.

%global mpi_list mpich

%if %{with openmpi}
%global mpi_list %{mpi_list} openmpi
%package openmpi
Summary: DBCSR - openmpi version
BuildRequires:  openmpi-devel

%description openmpi
%{_description}

This package contains the parallel single- and multi-threaded versions
using OpenMPI.

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

%description openmpi-devel
The %{name}-openmpi-devel package contains libraries and header files for
developing applications that use %{name}-openmpi.
%endif

%package mpich
Summary: DBCSR - mpich version
BuildRequires:  mpich-devel

%description mpich
%{_description}

This package contains the parallel single- and multi-threaded versions
using mpich.

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

%description mpich-devel
The %{name}-mpich-devel package contains libraries and header files for
developing applications that use %{name}-mpich.


%prep
%autosetup -p1
# Use system fypp, other tools not needed
rm -r tools


# $mpi will be evaluated in the loops below
%global _vpath_builddir %{_vendor}-%{_target_os}-build-${mpi:-serial}

%conf
%cmake \
  -DCMAKE_INSTALL_Fortran_MODULES:PATH=%{_fmoddir} \
  -DBUILD_TESTING:BOOL=ON \
  -DUSE_MPI:BOOL=OFF \
  -DUSE_LIBXS:BOOL=%{with libxs} \
  -DUSE_LIBXSMM:BOOL=%{with libxs} \
  %{?with_opencl:-DUSE_ACCEL=opencl}

for mpi in %{mpi_list}
do
  module load mpi/$mpi-%{_arch}
  %cmake \
    -DCMAKE_INSTALL_Fortran_MODULES:PATH=$MPI_FORTRAN_MOD_DIR \
    -DBUILD_TESTING:BOOL=ON \
    -DUSE_MPI:BOOL=ON \
    -DUSE_LIBXS:BOOL=%{with libxs} \
    -DUSE_LIBXSMM:BOOL=%{with libxs} \
    %{?with_opencl:-DUSE_ACCEL=opencl} \
    -DCMAKE_INSTALL_PREFIX:PATH=$MPI_HOME \
    -DCMAKE_INSTALL_LIBDIR:PATH=$MPI_LIB \
    -DUSE_MPI_F08:BOOL=ON \
    -DTEST_MPI_RANKS:STRING=2
  module purge
done


%build
%cmake_build
for mpi in %{mpi_list}
do
  module load mpi/$mpi-%{_arch}
  %cmake_build
  module purge
done


%install
%cmake_install
for mpi in %{mpi_list}
do
  module load mpi/$mpi-%{_arch}
  %cmake_install
  module purge
done

%check
%ctest
for mpi in %{mpi_list}
do
  module load mpi/$mpi-%{_arch}
  fail=
  # mpich tests fail on s390x - reported https://github.com/cp2k/dbcsr/issues/703
  [ $mpi = mpich -a %{_arch} = s390x ] && fail=no
  %ctest || test $fail
  module purge
done


%files
%license LICENSE
%doc README.md
%{_libdir}/libdbcsr.so.%{soversion}{,.*}

%files devel
%{_fmoddir}/dbcsr_api.mod
%{_fmoddir}/dbcsr_tensor_api.mod
%{_libdir}/cmake/dbcsr/
%{_libdir}/libdbcsr.so

%if %{with openmpi}
%files openmpi
%license LICENSE
%doc README.md
%{_libdir}/openmpi/lib/libdbcsr.so.%{soversion}{,.*}
%{_libdir}/openmpi/lib/libdbcsr_c.so.%{soversion}{,.*}

%files openmpi-devel
%{_libdir}/openmpi/include/dbcsr.h
%{_libdir}/openmpi/include/dbcsr_tensor.h
%{_fmoddir}/openmpi/dbcsr_api.mod
%{_fmoddir}/openmpi/dbcsr_tensor_api.mod
%{_libdir}/openmpi/lib/cmake/dbcsr/
%{_libdir}/openmpi/lib/libdbcsr.so
%{_libdir}/openmpi/lib/libdbcsr_c.so
%endif

%files mpich
%license LICENSE
%doc README.md
%{_libdir}/mpich/lib/libdbcsr.so.%{soversion}{,.*}
%{_libdir}/mpich/lib/libdbcsr_c.so.%{soversion}{,.*}

%files mpich-devel
%{_libdir}/mpich/include/dbcsr.h
%{_libdir}/mpich/include/dbcsr_tensor.h
%{_fmoddir}/mpich/dbcsr_api.mod
%{_fmoddir}/mpich/dbcsr_tensor_api.mod
%{_libdir}/mpich/lib/cmake/dbcsr/
%{_libdir}/mpich/lib/libdbcsr.so
%{_libdir}/mpich/lib/libdbcsr_c.so

%changelog
%autochangelog