// Copyright (C) 2012 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package {
    default_applicable_licenses: ["eigen_license"],
}

license {
    name: "eigen_license",
    visibility: [":__subpackages__"],
    license_kinds: [
        // Apache 2.0 is only used in Eigen/src/Core/arch/Default/BFloat16.h,
        // which was copied from TensorFlow.
        "SPDX-license-identifier-Apache-2.0",
        // BSD is used in CMake build scripts, which are not used in Android,
        // and for code derived from the MINPACK library.
        "SPDX-license-identifier-BSD",
        // Almost all of the actual Eigen code is licensed under MPL 2.0.
        "SPDX-license-identifier-MPL-2.0",
    ],
    license_text: [
        "COPYING.APACHE",
        "COPYING.BSD",
        "COPYING.MINPACK",
        "COPYING.MPL2",
        "NOTICE",
    ],
}

license {
    name: "eigen_bench_license",
    visibility: ["//visibility:private"],
    license_kinds: [
        "SPDX-license-identifier-Apache-2.0",
        "SPDX-license-identifier-GPL-2.0+",
    ],
    license_text: [
        "COPYING.APACHE",
        "COPYING.GPL",
    ],
}

license {
    name: "eigen_restricted_code_license",
    visibility: ["//visibility:private"],
    license_kinds: [
        "SPDX-license-identifier-LGPL-2.1",
    ],
    license_text: ["COPYING.LGPL"],
}

filegroup {
    name: "eigen_bench",
    srcs: ["bench/**/*"],
    licenses: ["eigen_bench_license"],
    visibility: ["//visibility:private"],
}

filegroup {
    name: "eigen_restricted_code",
    srcs: [
        "unsupported/Eigen/src/IterativeSolvers/ConstrainedConjGrad.h",
        "unsupported/Eigen/src/IterativeSolvers/IterationController.h",
    ],
    licenses: ["eigen_restricted_code_license"],
    visibility: ["//visibility:private"],
}

cc_library_headers {
    name: "libeigen",

    // Although entire directory is exported, only Eigen and unsupported/Eigen
    // contain actual exported headers. When capturing header files for
    // snapshot, only these two directories will be globbed.
    export_include_dirs: ["."],
    cflags: ["-DEIGEN_MPL2_ONLY"],

    vendor_available: true,
    host_supported: true,
    apex_available: [
        "com.android.neuralnetworks",
        "test_com.android.neuralnetworks",
        "//apex_available:platform",
        "com.android.ondevicepersonalization",
    ],
    min_sdk_version: "apex_inherit",
    sdk_version: "current",
}

subdirs = ["blas"]