# Maintainer: Sergey Popov <popov.sa@gmail.com>

_realname=mlpack
pkgbase=mingw-w64-${_realname}
pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
pkgver=4.2.1
pkgrel=1
pkgdesc='An intuitive, fast, scalable C++ machine learning library (mingw-w64)'
arch=('any')
mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
url='https://mlpack.org/'
license=('spdx:BSD-3-Clause')
depends=("${MINGW_PACKAGE_PREFIX}-cc-libs"
         "${MINGW_PACKAGE_PREFIX}-omp"
         "${MINGW_PACKAGE_PREFIX}-armadillo"
         "${MINGW_PACKAGE_PREFIX}-cereal"
         "${MINGW_PACKAGE_PREFIX}-ensmallen"
         "${MINGW_PACKAGE_PREFIX}-stb")
makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
             "${MINGW_PACKAGE_PREFIX}-cmake"
             "${MINGW_PACKAGE_PREFIX}-ninja"
             "${MINGW_PACKAGE_PREFIX}-doxygen")
source=("https://www.mlpack.org/files/${_realname}-${pkgver}.tar.gz"
        "0001-mingw-w64-cmake.patch"
        "0002-mingw-w64-pkgconfig.patch"
        "0003-do-not-search-for-git.patch")
sha256sums=('2d2b8d61dc2e3179e0b6fefd5c217c57aa168c4d0b9c6868ddb94f6395a80dd5'
            '911a45e943ff68c1cbb38416cc133fced06fb0a0ef2b916d467b5715daebd4f7'
            '01a23bd54ce663c9d500015a23c96251ffac829404be5292b69e33f4509eb662'
            'e003e45031ee04e08a9e963ee85d89b667344b1919505f78c033c16410be3bd2')

prepare() {
  cd "${srcdir}/${_realname}-${pkgver}"
  patch -Np1 -i "${srcdir}/0001-mingw-w64-cmake.patch"
  patch -Np1 -i "${srcdir}/0002-mingw-w64-pkgconfig.patch"
  patch -Np1 -i "${srcdir}/0003-do-not-search-for-git.patch"
}

build() {
  mkdir -p "${srcdir}/build-${MSYSTEM}" && cd "${srcdir}/build-${MSYSTEM}"

  if check_option "debug" "y"; then
    _build_type="Debug"
  else
    _build_type="Release"
  fi

  MSYS2_ARG_CONV_EXCL="-DCMAKE_INSTALL_PREFIX=" \
  ${MINGW_PREFIX}/bin/cmake.exe -Wno-dev \
    -G"Ninja" \
    -DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX} \
    -DCMAKE_BUILD_TYPE=${_build_type} \
    -DBUILD_SHARED_LIBS=ON \
    -DBUILD_TESTS=OFF \
    ../${_realname}-${pkgver}

  ${MINGW_PREFIX}/bin/cmake --build .
}

package() {
  cd "${srcdir}/build-${MSYSTEM}"
  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake --install .

  install -Dm644 "${srcdir}/${_realname}-${pkgver}/COPYRIGHT.txt" \
    "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/COPYRIGHT.txt"
  install -Dm644 "${srcdir}/${_realname}-${pkgver}/LICENSE.txt" \
    "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/LICENSE.txt"
}
