# Description: Linear Algebra PACKage - F77 routines for Linear Algebra.
# URL: http://www.netlib.org/lapack/
# Maintainer: Tim Biermann, tbier at posteo dot de
# Depends on: cmake gcc-fortran python3 openblas

name=lapack
version=3.9.0
release=1
source=(http://www.netlib.org/$name/$name-$version.tar.gz
  https://github.com/Reference-LAPACK/lapack/commit/87536aa3.patch)

build() {
  cd $name-$version
  patch -p1 -i ../87536aa3.patch
  cd $SRC
  mkdir build
  cd build

  export CFLAGS+=' -fPIC'

  cmake ../$name-$version \
    -DCMAKE_Fortran_FLAGS:STRING="$CFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_LIBDIR=lib \
    -DCMAKE_Fortran_COMPILER=gfortran \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_SKIP_RPATH=YES \
    -DUSE_OPTIMIZED_BLAS=ON \
    -DCBLAS=OFF \
    -DLAPACKE_WITH_TMG=ON \
    -DBUILD_SHARED_LIBS=ON \
    -DBUILD_DEPRECATED=ON
    #-DCMAKE_VERBOSE_MAKEFILE=TRUE

  make
  make DESTDIR=$PKG install

  # provided by openblas
  rm -r $PKG/usr/include/{lapacke.h,lapacke_config.h,lapacke_mangling.h,lapacke_utils.h}
  rm -r $PKG/usr/lib/{liblapack.so,liblapack.so.3,liblapacke.so,liblapacke.so.3}
}