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%define _unpackaged_files_terminate_build 1
%define _stripped_files_terminate_build 1

%define mpiimpl openmpi
%define mpidir %_libdir/%mpiimpl
%define origname scalapack

%def_enable bootstrap

%define sover 2
Name: lib%origname
Version: 2.1.0
Release: alt3
Summary: Scalable LAPACK library
License: BSD-style
Group: Sciences/Mathematics
Url: http://www.netlib.org/scalapack/

Source: %origname-%version.tar
Source1: manpages.tar

# Patches from Fedora
Patch1: scalapack-2.1-fix-version.patch

# Patches from Gentoo
Patch2: scalapack-upstream-gcc10-compat.patch

# Patches from ALT
Patch3: scalapack-2.1.0-alt-pkgconfig.patch

BuildRequires(pre): %mpiimpl-devel
BuildRequires: cmake
BuildRequires: gcc-fortran
BuildRequires: libopenblas-devel
BuildRequires: liblapack-devel
%if_disabled bootstrap
# circular build deps with arpack
BuildRequires: libarpack-devel
%endif

%description
The ScaLAPACK (or Scalable LAPACK) library includes a subset of LAPACK routines
redesigned for distributed memory MIMD parallel computers. It is currently
written in a Single-Program-Multiple-Data style using explicit message passing
for interprocessor communication. It assumes matrices are laid out in a
two-dimensional block cyclic decomposition.

ScaLAPACK is designed for heterogeneous computing and is portable on any
computer that supports MPI or PVM.

Like LAPACK, the ScaLAPACK routines are based on block-partitioned algorithms in
order to minimize the frequency of data movement between different levels of the
memory hierarchy. (For such machines, the memory hierarchy includes the
off-processor memory of other processors, in addition to the hierarchy of
registers, cache, and local memory on each processor.) The fundamental building
blocks of the ScaLAPACK library are distributed memory versions (PBLAS) of the
Level 1, 2 and 3 BLAS, and a set of Basic Linear Algebra Communication
Subprograms (BLACS) for communication tasks that arise frequently in parallel
linear algebra computations. In the ScaLAPACK routines, all interprocessor
communication occurs within the PBLAS and the BLACS. One of the design goals of
ScaLAPACK was to have the ScaLAPACK routines resemble their LAPACK equivalents
as much as possible.

If You need man pages, install libscalapack-manpages.

%package common
Summary: Common files for scalapack
Group: Sciences/Mathematics

%description common
The ScaLAPACK (or Scalable LAPACK) library includes a subset of LAPACK routines
redesigned for distributed memory MIMD parallel computers. It is currently
written in a Single-Program-Multiple-Data style using explicit message passing
for interprocessor communication. It assumes matrices are laid out in a
two-dimensional block cyclic decomposition.

ScaLAPACK is designed for heterogeneous computing and is portable on any
computer that supports MPI or PVM.

Like LAPACK, the ScaLAPACK routines are based on block-partitioned algorithms in
order to minimize the frequency of data movement between different levels of the
memory hierarchy. (For such machines, the memory hierarchy includes the
off-processor memory of other processors, in addition to the hierarchy of
registers, cache, and local memory on each processor.) The fundamental building
blocks of the ScaLAPACK library are distributed memory versions (PBLAS) of the
Level 1, 2 and 3 BLAS, and a set of Basic Linear Algebra Communication
Subprograms (BLACS) for communication tasks that arise frequently in parallel
linear algebra computations. In the ScaLAPACK routines, all interprocessor
communication occurs within the PBLAS and the BLACS. One of the design goals of
ScaLAPACK was to have the ScaLAPACK routines resemble their LAPACK equivalents
as much as possible.

This package contains common files which are not specific
to any MPI implementation.

%package devel
Summary: Development files of ScaLAPACK
Group: Development/Other
Requires: %mpiimpl-devel
%if_disabled bootstrap
Requires: libarpack-devel
%endif
Requires: %name = %EVR

%description devel
Development files of ScaLAPACK.

%package manpages
Summary: Man pages of ScaLAPACK
Group: Sciences/Mathematics
BuildArch: noarch

%description manpages
Man pages of ScaLAPACK.

%prep
%setup -a1
%patch1 -p2
%patch2 -p1
%patch3 -p2

%build
%define build_fflags %(echo %build_fflags -fallow-argument-mismatch| sed 's|-Werror=format-security||g')

mpi-selector --set %mpiimpl
source %mpidir/bin/mpivars.sh
export OMPI_LDFLAGS="-Wl,--as-needed,-rpath,%mpidir/lib -L%mpidir/lib"

%cmake \
-DBUILD_SHARED_LIBS:BOOL=ON \
-DBUILD_STATIC_LIBS:BOOL=OFF \
-DLAPACK_LIBRARIES="$(pkg-config --libs lapack)" \
-DBLAS_LIBRARIES="$(pkg-config --libs openblas)" \
%nil

%cmake_build

%install
mpi-selector --set %mpiimpl
source %mpidir/bin/mpivars.sh
export OMPI_LDFLAGS="-Wl,--as-needed,-rpath,%mpidir/lib -L%mpidir/lib"

%cmakeinstall_std

install -d %buildroot%_includedir/blacs
install -m644 BLACS/SRC/*.h %buildroot%_includedir/blacs/

install -d %buildroot%_includedir/scalapack
install -m644 PBLAS/SRC/*.h %buildroot%_includedir/scalapack/

install -d %buildroot%_mandir/manl
install -m644 MANPAGES/man/manl/* %buildroot%_mandir/manl/

%files
%doc LICENSE
%doc README
%_libdir/*.so.%sover
%_libdir/*.so.%sover.*

%files devel
%_libdir/*.so
%_includedir/*
%_libdir/cmake/*
%_pkgconfigdir/*

%files manpages
%_mandir/manl/*

%changelog
…
Full changelog you can see here