# Description: Linear Algebra PACKage - F77 routines for Linear Algebra
# URL: https://github.com/Reference-LAPACK/lapack
# Maintainer: Tim Biermann, tbier at posteo dot de
# Depends on: openblas python3

name=lapack
version=3.12.1
release=1
source=(https://github.com/Reference-LAPACK/lapack/archive/v$version/$name-$version-$release.tar.gz
  3aa877584bcc96e1a0ee37742628946c56afc15f.patch
  b054023bcde8d9d35ed3214fcfea01f7d7afc661.patch
  304fa305e85190c934e78eae75c7b092fcfd54c1.patch
  3c209c6bdf524869d18d00119aeae4962740c3b3.patch
  bc0c38f247f90f815a93f6ca0829004120745da4.patch)

build() {
  prt-get isinst doxygen && PKGMK_LAPACK+=' -D BUILD_MAN_DOCUMENTATION=ON'

  patch -Np1 -d $name-$version -i $SRC/3aa877584bcc96e1a0ee37742628946c56afc15f.patch
  patch -Np1 -d $name-$version -i $SRC/b054023bcde8d9d35ed3214fcfea01f7d7afc661.patch
  patch -Np1 -d $name-$version -i $SRC/304fa305e85190c934e78eae75c7b092fcfd54c1.patch
  patch -Np1 -d $name-$version -i $SRC/3c209c6bdf524869d18d00119aeae4962740c3b3.patch
  patch -Np1 -d $name-$version -i $SRC/bc0c38f247f90f815a93f6ca0829004120745da4.patch

  PKGMK_LAPACK=(
    -S $name-$version
    -G Ninja
    -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=ON
    -D USE_OPTIMIZED_BLAS=ON
    -D CBLAS=OFF
    -D LAPACKE_WITH_TMG=ON
    -D BUILD_SHARED_LIBS=ON
    -D BUILD_DEPRECATED=ON
    -D BUILD_TESTING=OFF
    -D BUILD_INDEX64_EXT_API=OFF
    -Wno-dev
  )

  cmake -S $name-$version -B build -G Ninja "${PKGMK_LAPACK[@]}" \
    -D BUILD_INDEX64=OFF
  cmake -S $name-$version -B build64 -G Ninja "${PKGMK_LAPACK[@]}" \
    -D BUILD_INDEX64=ON

  cmake --build build
  cmake --build build64

  DESTDIR=$PKG cmake --install build
  DESTDIR=$PKG cmake --install build64
}