# 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=(https://github.com/Reference-LAPACK/lapack/archive/v$version/$name-$version.tar.gz
  https://github.com/Reference-LAPACK/lapack/commit/87536aa3.patch)

build() {
  patch -d $name-$version -p1 -i ../87536aa3.patch

  export CFLAGS+=' -fPIC'
  [[ -e /usr/bin/ninja ]] && PKGMK_LAPACK+=' -G Ninja'
  cmake -S $name-$version -B build $PKGMK_LAPACK \
    -D CMAKE_INSTALL_PREFIX=/usr \
    -D CMAKE_INSTALL_LIBDIR=lib \
    -D CMAKE_BUILD_TYPE=Release \
    -D CMAKE_CXX_FLAGS_RELEASE="$CXXFLAGS -fPIC" \
    -D CMAKE_C_FLAGS_RELEASE="$CFLAGS -fPIC" \
    -D CMAKE_Fortran_FLAGS="$CFLAGS -fPIC" \
    -D CMAKE_Fortran_COMPILER=gfortran \
    -D CMAKE_SKIP_RPATH=YES \
    -D USE_OPTIMIZED_BLAS=ON \
    -D CBLAS=OFF \
    -D LAPACKE_WITH_TMG=ON \
    -D BUILD_SHARED_LIBS=ON \
    -D BUILD_DEPRECATED=ON \
    -Wno-dev

  cmake --build build
  DESTDIR=$PKG cmake --install build
}