#
# spec file for package openblas
#
# Copyright (c) 2012 SUSE LINUX Products GmbH, Nuernberg, Germany.
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
# upon. The license for this file, and modifications and additions to the
# file, is the same license as for the pristine package itself (unless the
# license for the pristine package is not an Open Source License, in which
# case the license is the MIT License). An "Open Source License" is a
# license that conforms to the Open Source Definition (Version 1.9)
# published by the Open Source Initiative.

# Please submit bugfixes or comments via http://bugs.opensuse.org/
#


Name:           openblas
Version:        0.1.1
Release:        0
Summary:        An optimized BLAS library based on GotoBLAS2
License:        BSD-3-Clause
Group:          System/Libraries
Url:            https://github.com/xianyi/OpenBLAS/
# Tarball gotten from
# https://github.com/xianyi/OpenBLAS/tarball/v%{version}
Source0:        xianyi-OpenBLAS-v0.1.1-0-g5b7f443.tar.gz
# LAPACK
Source1:        http://www.netlib.org/lapack/lapack-3.4.1.tgz
# Link against libgfortran
Patch0:         openblas-0.1.1-libs.patch
Patch1:         c_xerbla_no-void-return.patch
Patch2:         openblas-0.1.0-soname.patch
Patch3:         openblas-0.1.0-noexecstack.patch
BuildRoot:      %{_tmppath}/%{name}-%{version}-build

BuildRequires:  gcc-fortran
# For execstack
# BuildRequires:	prelink

%description
OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. The
project is supported by the Lab of Parallel Software and Computational Science,
ISCAS. http://www.rdcps.ac.cn

%package -n libopenblas0
Summary:        An optimized BLAS library based on GotoBLAS2, serial version
Group:          System/Libraries

%description -n libopenblas0
OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. The
project is supported by the Lab of Parallel Software and Computational Science,
ISCAS. http://www.rdcps.ac.cn


%package -n libopenblaso0
Summary:        An optimized BLAS library based on GotoBLAS2, OpenMP version
Group:          System/Libraries

%description -n libopenblaso0
OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. The
project is supported by the Lab of Parallel Software and Computational Science,
ISCAS. http://www.rdcps.ac.cn

This package contains the library compiled with OpenMP support.

%package -n libopenblasp0
Summary:        An optimized BLAS library based on GotoBLAS2, pthreads version
Group:          System/Libraries

%description -n libopenblasp0
OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. The
project is supported by the Lab of Parallel Software and Computational Science,
ISCAS. http://www.rdcps.ac.cn

This package contains the library compiled with threading support.

%package devel
Summary:        Development headers and libraries for OpenBLAS
Group:          Development/Libraries/C and C++
Requires:       lib%{name}0 = %{version}-%{release}
Requires:       lib%{name}o0 = %{version}-%{release}
Requires:       lib%{name}p0 = %{version}-%{release}

%description devel
OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. The
project is supported by the Lab of Parallel Software and Computational Science,
ISCAS. http://www.rdcps.ac.cn

This package contains the development headers and libraries.

%package devel-static
Summary:        Static version of OpenBLAS
Group:          Development/Libraries/C and C++
Requires:       %{name}-devel = %{version}-%{release}

%description devel-static
OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. The
project is supported by the Lab of Parallel Software and Computational Science,
ISCAS. http://www.rdcps.ac.cn

This package contains the static libraries.

%prep
%setup -q -c -T

# Untar source
tar zxf %{SOURCE0}
mv xianyi-OpenBLAS-*/ xianyi-OpenBLAS
cd xianyi-OpenBLAS
%patch0 -p1
%patch1 -p1
%patch2 -p1
%patch3 -p1
cd ..

# prepare build for serial, threaded and OpenMP versions
cp -ar xianyi-OpenBLAS openmp
cp -ar xianyi-OpenBLAS threaded
mv xianyi-OpenBLAS serial

# Copy LAPACK sources
for dir in openmp threaded serial; do
 cp %{SOURCE1} $dir
done

%build
# Make serial, threaded and OpenMP versions
make -C serial DYNAMIC_ARCH=1 USE_THREAD=0 USE_OPENMP=0 \
        FC=gfortran CC=gcc COMMON_OPT="%{optflags}" NUM_THREADS=32
make -C openmp DYNAMIC_ARCH=1 USE_THREAD=0 USE_OPENMP=1 LIBNAMESUFFIX=o \
        FC=gfortran CC=gcc COMMON_OPT="%{optflags}" NUM_THREADS=32
make -C threaded DYNAMIC_ARCH=1 USE_THREAD=1 USE_OPENMP=0 LIBNAMESUFFIX=p \
        FC=gfortran CC=gcc COMMON_OPT="%{optflags}" NUM_THREADS=32

%install
rm -rf %{buildroot}
# Install serial library and headers
make -C serial USE_THREAD=0 PREFIX=%{buildroot}%{_usr} install

# Move include files to package specific directory, so that they don't clash with reference BLAS and LAPACK
mkdir %{buildroot}%{_includedir}/%{name}
mv %{buildroot}%{_includedir}/*.h %{buildroot}%{_includedir}/%{name}

# Put libraries in correct location
rm -rf %{buildroot}/usr/lib
mkdir -p %{buildroot}%{_libdir}

# Install the serial library
install -D -p -m 755 serial/libopenblas.so %{buildroot}%{_libdir}/lib%{name}.so.%{version}
install -D -p -m 644 serial/libopenblas.a %{buildroot}%{_libdir}/lib%{name}.a

# Install the OpenMP library
install -D -p -m 755 openmp/libopenblaso.so %{buildroot}%{_libdir}/lib%{name}o.so.%{version}
install -D -p -m 644 openmp/libopenblaso.a %{buildroot}%{_libdir}/lib%{name}o.a

# Install the threaded library
install -D -p -m 755 threaded/libopenblasp.so %{buildroot}%{_libdir}/lib%{name}p.so.%{version}
install -D -p -m 644 threaded/libopenblasp.a %{buildroot}%{_libdir}/lib%{name}p.a

# Fix source permissions (also applies to LAPACK)
find -name \*.f -exec chmod 644 {} \;

# Fix symlinks
pushd %{buildroot}%{_libdir}
# Serial libraries
ln -sf lib%{name}.so.%{version} lib%{name}.so.0
ln -sf lib%{name}.so.0 lib%{name}.so
# OpenMP libraries
ln -sf lib%{name}o.so.%{version} lib%{name}o.so.0
ln -sf lib%{name}o.so.0 lib%{name}o.so
# Threaded libraries
ln -sf lib%{name}p.so.%{version} lib%{name}p.so.0
ln -sf lib%{name}p.so.0 lib%{name}p.so

# Get rid of executable stacks
# for lib in %%{buildroot}%%{_libdir}/libopenblas{,o,p}*.so; do
#  execstack -c $lib
# done

%post -n libopenblas0 -p /sbin/ldconfig
%postun -n libopenblas0 -p /sbin/ldconfig

%post -n libopenblaso0 -p /sbin/ldconfig
%postun -n libopenblaso0 -p /sbin/ldconfig

%post -n libopenblasp0 -p /sbin/ldconfig
%postun -n libopenblasp0 -p /sbin/ldconfig

%clean
rm -rf %{buildroot}

%files -n libopenblas0
%defattr(-,root,root,-)
%doc serial/Changelog.txt serial/GotoBLAS* serial/LICENSE serial/README
%{_libdir}/lib%{name}.so.*

%files -n libopenblaso0
%defattr(-,root,root,-)
%{_libdir}/lib%{name}o.so.*

%files -n libopenblasp0
%defattr(-,root,root,-)
%{_libdir}/lib%{name}p.so.*

%files devel
%defattr(-,root,root,-)
%{_includedir}/%{name}
%{_libdir}/lib%{name}.so
%{_libdir}/lib%{name}o.so
%{_libdir}/lib%{name}p.so

%files devel-static
%defattr(-,root,root,-)
%{_libdir}/lib%{name}.a
%{_libdir}/lib%{name}o.a
%{_libdir}/lib%{name}p.a

%changelog