cmake/BUILD.bazel

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load(
    ":build_defs.bzl",
    "staleness_test",
)
load(
    "//bazel:build_defs.bzl",
    "make_shell_script",
)

licenses(["notice"])

exports_files(["staleness_test.py"])

py_library(
    name = "staleness_test_lib",
    testonly = 1,
    srcs = ["staleness_test_lib.py"],
    # This is public only for use by the staleness_test() macro. Please do not
    # depend on this target directly.
    visibility = ["//visibility:public"],
)

py_binary(
    name = "make_cmakelists",
    srcs = ["make_cmakelists.py"],
)

genrule(
    name = "gen_cmakelists",
    srcs = [
        "//:BUILD",
        "//:WORKSPACE",
        "//bazel:workspace_deps.bzl",
    ],
    outs = ["generated-in/CMakeLists.txt"],
    cmd = "$(location :make_cmakelists) $@",
    tools = [":make_cmakelists"],
)

genrule(
    name = "copy_protos",
    srcs = ["//:descriptor_upb_proto"],
    outs = [
        "generated-in/google/protobuf/descriptor.upb.c",
        "generated-in/google/protobuf/descriptor.upb.h",
    ],
    cmd = "cp $(SRCS) $(@D)/generated-in/google/protobuf",
)

staleness_test(
    name = "test_generated_files",
    outs = [
        "CMakeLists.txt",
        "google/protobuf/descriptor.upb.c",
        "google/protobuf/descriptor.upb.h",
    ],
    generated_pattern = "generated-in/%s",
    tags = ["manual"],
)

# Test the CMake build #########################################################

make_shell_script(
    name = "gen_run_cmake_build",
    out = "run_cmake_build.sh",
    contents = "set -ex\n" +
               "(cd cmake/generated-in && rsync -avR . ..)\n" +
               "mkdir build && cd build && cmake ../cmake && make -j8 && make test",
)

sh_test(
    name = "cmake_build",
    srcs = ["run_cmake_build.sh"],
    data = [
        ":copy_protos",
        ":gen_cmakelists",
        "//:cmake_files",
        "@utf8_range//:utf8_range_srcs",
    ],
    target_compatible_with = select({
        "@platforms//os:windows": ["@platforms//:incompatible"],
        "//conditions:default": [],
    }),
    deps = ["@bazel_tools//tools/bash/runfiles"],
)