# Copyright 2023 The MediaPipe Authors.
#
# 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.

load("@halide//:halide.bzl", "halide_library_runtimes")

licenses(["notice"])

package(
    default_visibility = ["//visibility:public"],
)

halide_library_runtimes()

# Alias the 'gengen' target so that it uses the correct Halide release based on host platform.
alias(
    name = "gengen",
    actual = select(
        {
            "@mediapipe//mediapipe:macos_x86_64": "@macos_x86_64_halide//:gengen",
            "@mediapipe//mediapipe:macos_arm64": "@macos_arm_64_halide//:gengen",
            "@mediapipe//mediapipe:windows": "@windows_halide//:gengen",
            "@mediapipe//mediapipe:linux": "@linux_halide//:gengen",
            # Deliberately no //condition:default clause here.
        },
        no_match_error = "Compiling Halide code requires that the build host is one of Linux x86-64, Windows x86-64, macOS x86-64, or macOS arm64.",
    ),
)

# Arbitrarily alias the 'runtime' and 'language' targets to the Linux Halide release. The underlying
# targets are identical for all host platforms.
alias(
    name = "runtime",
    actual = "@linux_halide//:runtime",
)

alias(
    name = "language",
    actual = "@linux_halide//:language",
)