# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4

PortSystem          1.0
PortGroup           python 1.0
PortGroup           github 1.0
PortGroup           compilers 1.0
PortGroup           compiler_blacklist_versions 1.0

name                py-tensorflow
version             2.12.0
revision            0
github.setup        tensorflow tensorflow ${version} v

license             Apache-2
maintainers         {emcrisostomo @emcrisostomo} openmaintainer
# Goal is darwin >= 18, but present failures prevent that for macOS 11.x+
platforms           {darwin >= 18 <= 19}
supported_archs     x86_64 arm64

description         TensorFlow helps the tensors flow
long_description    {*}${description}
homepage            https://www.tensorflow.org/

known_fail yes
pre-fetch {
    ui_error "${subport}: This port is presently broken on all macOS platforms"
    return -code error "port broken"
}

github.livecheck.regex  {([0-9.]+)}

checksums           rmd160  26051c2456224f94f82e896aff4cb8512c2f6dc3 \
                    sha256  2b1725eccba5ee42347462f5a65b274a905f7946181fadafc7b44b5c85ba3041 \
                    size    69709103

use_xcode           yes

compiler.cxx_standard   2017
compiler.blacklist-append {clang < 1000} {macports-clang-[4-9].0}

# Supported python versions
python.versions  39 310

if {${name} ne ${subport}} {
    PortGroup       bazel 1.0

    # TF versions 1 and 2 cannot be installed at once
    if { ${python.version} < 310 } {
        conflicts       py${python.version}-tensorflow1
    }

    # Conflicts with tensorflow-macos, tensorflow-metal
    conflicts-append \
                    py${python.version}-tensorflow-macos \
                    py${python.version}-tensorflow-metal

    # Relax Xcode minimum version, based on testing
    bazel.min_xcode 10.3

    variant mkl description {Enable Intel Math Kernel Library support} {
        bazel.extra_build_opts-append --config=mkl
        depends_lib-append port:py${python.version}-mkl
    }
    # Enable MKL by default on 10.15 and newer.
    #if {${os.major} >= 19} {
    #    default_variants-append +mkl
    #}

    depends_build-append \
        port:cctools \
        port:ld64 \
        port:py${python.version}-future \
        port:py${python.version}-mock \
        port:py${python.version}-pip

    depends_lib-append \
        port:py${python.version}-absl \
        port:py${python.version}-astor \
        port:py${python.version}-astunparse \
        port:py${python.version}-flatbuffers \
        port:py${python.version}-gast \
        port:py${python.version}-google-pasta \
        port:py${python.version}-grpcio \
        port:py${python.version}-keras \
        port:py${python.version}-numpy \
        port:py${python.version}-opt_einsum \
        port:py${python.version}-protobuf3 \
        port:py${python.version}-six \
        port:py${python.version}-tensorboard \
        port:py${python.version}-tensorflow_estimator \
        port:py${python.version}-termcolor \
        port:py${python.version}-wheel \
        port:py${python.version}-wrapt

    use_configure yes

    # Options passed to configure script via env vars
    bazel::add_to_envs PYTHON_LIB_PATH=${python.prefix}/lib/python${python.branch}/site-packages
    bazel::add_to_envs PYTHON_BIN_PATH=${prefix}/bin/python${python.branch}

    # Use correct python in bazel build
    bazel.python_version ${python.branch}

    bazel.build_target     "//tensorflow/tools/pip_package:build_pip_package"
    bazel.post_build_cmd   ./bazel-bin/tensorflow/tools/pip_package/build_pip_package [list $workpath]
    # add -fuse-ld becase https://github.com/tensorflow/tensorflow/issues/58368
    bazel.extra_build_opts-append \
                           --config=opt \
                           --linkopt="-fuse-ld=/usr/bin/ld"

    bazel.limit_build_jobs no

    # Overstep:
    #   target '@tf_runtime//:support' is not visible from target '//tensorflow/compiler/xla/pjrt:pjrt_future'
    # See: https://github.com/tensorflow/tensorflow/issues/58825
    bazel.extra_build_opts-append \
                            --noincompatible_fix_package_group_reporoot_syntax \
                            --noincompatible_validate_top_level_header_inclusions

    destroot.cmd  pip-${python.branch}
    destroot.args           \
        --ignore-installed  \
        --no-cache-dir      \
        --no-dependencies   \
        --root ${destroot}  \
        ${workpath}/tensorflow-*.whl
    destroot.post_args

    post-destroot {
        file delete ${destroot}${python.prefix}/bin/tensorboard
        file delete ${destroot}${prefix}/bin/tensorboard-${python.branch}
    }

    livecheck.type  none

    # If tensorflow-macos is available for this OS advertise it
    if { ${os.major} > 19 } {
        notes-append "
* A hardware accelerated MacOS optimised port of tensorflow from Apple\
is available as an alternative to ${subport}. To use run:
    sudo port uninstall -f ${subport} ${subport}-addons
    sudo port install ${subport}-macos
"
    }

}