PKGBUILD


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# Maintainer: Gonzalo Exequiel Pedone <hipersayan DOT x AT gmail DOT com>
# Contributor: Sven-Hendrik Haase <svenstaro@archlinux.org>
# Contributor: spider-mario <spidermario@free.fr>
# Contributor: Olaf Leidinger <oleid@mescharet.de>
# Contributor: fabien Cellier <fabien.cellier@gmail.com>

_android_arch=aarch64

pkgname=android-${_android_arch}-pocl
pkgver=6.0
pkgrel=1
arch=('any')
pkgdesc="Portable OpenCL is an open-source implementation of OpenCL which can be easily adapted for new targets (Android ${_android_arch})"
url="http://portablecl.org/"
license=('GPL')
groups=('android-pocl')
depends=("android-${_android_arch}-hwloc"
         "android-${_android_arch}-opencl-icd-loader")
makedepends=('android-cmake'
             "android-${_android_arch}-opencl-headers"
             "android-${_android_arch}-ocl-icd"
             'python')
options=(!strip !buildflags staticlibs !emptydirs)
source=("https://github.com/pocl/pocl/archive/v${pkgver}.tar.gz")
md5sums=('3811575357b0e3c73ac3eb0afd5a8334')

prepare() {
    cd "${srcdir}/pocl-${pkgver}"
    source android-env ${_android_arch}

    if [ "${ANDROID_MINIMUM_PLATFORM}" -lt 24 ]; then
        sed -i 's|set(OCL_DRIVERS "basic pthreads")|set(OCL_DRIVERS "basic")|g' CMakeLists.txt
        sed -i '/set(BUILD_PTHREAD 1)/d' CMakeLists.txt
    fi
}

build() {
    cd "${srcdir}/pocl-${pkgver}"
    source android-env ${_android_arch}

    export LDFLAGS="${LDFLAGS} -llog"

    android-${_android_arch}-cmake \
        -S . \
        -B build-shared \
        -DBUILD_SHARED_LIBS=ON \
        -DENABLE_LOADABLE_DRIVERS=ON \
        -DINSTALL_OPENCL_HEADERS=OFF \
        -DENABLE_EXAMPLES=OFF \
        -DENABLE_LLVM=OFF \
        -DENABLE_TESTS=OFF \
        -DENABLE_POCLCC=OFF \
        -DHOST_DEVICE_BUILD_HASH=x86_64-linux-gnu \
        -DOCL_ICD_LIBRARIES="${ANDROID_PREFIX_LIB}/libOpenCL.so" \
        -DPOCL_INSTALL_ICD_VENDORDIR="${ANDROID_PREFIX_ETC}/OpenCL/vendors"

    files=(build-shared/lib/CL/devices/basic/CMakeFiles/pocl-devices-basic.dir/link.txt)

    if [ "${ANDROID_MINIMUM_PLATFORM}" -ge 24 ]; then
        files+=(build-shared/lib/CL/devices/pthread/CMakeFiles/pocl-devices-pthread.dir/link.txt)
    fi

    for f in "${files[@]}"; do
        sed -i 's| -Wl,--no-undefined-version | |g' $f
        sed -i 's| -Wl,--no-undefined | |g' $f
    done

    make -C build-shared $MAKEFLAGS

    android-${_android_arch}-cmake \
        -S . \
        -B build-static \
        -DBUILD_SHARED_LIBS=OFF \
        -DENABLE_LOADABLE_DRIVERS=OFF \
        -DINSTALL_OPENCL_HEADERS=OFF \
        -DENABLE_EXAMPLES=OFF \
        -DENABLE_LLVM=OFF \
        -DENABLE_TESTS=OFF \
        -DENABLE_POCLCC=OFF \
        -DHOST_DEVICE_BUILD_HASH=x86_64-linux-gnu \
        -DOCL_ICD_LIBRARIES="${ANDROID_PREFIX_LIB}/libOpenCL.a" \
        -DPOCL_INSTALL_ICD_VENDORDIR="${ANDROID_PREFIX_ETC}/OpenCL/vendors"
    make -C build-static $MAKEFLAGS
}

package() {
    cd "${srcdir}/pocl-${pkgver}"
    source android-env ${_android_arch}

    make -C build-static DESTDIR="${pkgdir}" install
    mv -f "${pkgdir}/${ANDROID_PREFIX_ETC}/OpenCL/vendors/pocl.icd" "${pkgdir}/${ANDROID_PREFIX_ETC}/OpenCL/vendors/pocl-static.icd"
    make -C build-shared DESTDIR="${pkgdir}" install
    mv -f "${pkgdir}/${ANDROID_PREFIX_LIB}/static"/*.a "${pkgdir}/${ANDROID_PREFIX_LIB}/"
    rmdir "${pkgdir}/${ANDROID_PREFIX_LIB}/static"
    find "${pkgdir}/${ANDROID_PREFIX_LIB}" -type f -name '*.so' -exec ${ANDROID_STRIP} -g --strip-unneeded {} \;
    ${ANDROID_STRIP} -g "${pkgdir}/${ANDROID_PREFIX_LIB}"/*.a
}