1# Copyright (C) 2019 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15# Noop function used to override rules we don't want to support in standalone.
16def _noop_override(**kwargs):
17    pass
18
19PERFETTO_CONFIG = struct(
20    # This is used to refer to deps within perfetto's BUILD files.
21    # In standalone and bazel-based embedders use '//', because perfetto has its
22    # own repository, and //xxx would be relative to @perfetto//xxx.
23    # In Google internal builds, instead, this is set to //third_party/perfetto,
24    # because perfetto doesn't have its own repository there.
25    root = "//",
26
27    # These variables map dependencies to perfetto third-party projects. This is
28    # to allow perfetto embedders (e.g. gapid) and google internal builds to
29    # override paths and target names to their own third_party.
30    deps = struct(
31        # Target exposing the build config header. It should be a valid
32        # cc_library dependency as it will become a dependency of every
33        # perfetto_cc_library target. It needs to expose a
34        # "perfetto_build_flags.h" file that can be included via:
35        # #include "perfetto_build_flags.h".
36        build_config = ["//:build_config_hdr"],
37
38        # Target exposing the PERFETTO_VERSION_STRING() and
39        # PERFETTO_VERSION_SCM_REVISION() macros. This is overridden in google
40        # internal builds.
41        version_header = ["//:cc_perfetto_version_header"],
42
43        zlib = ["@perfetto_dep_zlib//:zlib"],
44        jsoncpp = ["@perfetto_dep_jsoncpp//:jsoncpp"],
45        linenoise = ["@perfetto_dep_linenoise//:linenoise"],
46        sqlite = ["@perfetto_dep_sqlite//:sqlite"],
47        sqlite_ext_percentile = ["@perfetto_dep_sqlite_src//:percentile_ext"],
48        protoc = ["@com_google_protobuf//:protoc"],
49        protoc_lib = ["@com_google_protobuf//:protoc_lib"],
50        protobuf_lite = ["@com_google_protobuf//:protobuf_lite"],
51        protobuf_full = ["@com_google_protobuf//:protobuf"],
52        protobuf_descriptor_proto = ["@com_google_protobuf//:descriptor_proto"]
53    ),
54
55    # This struct allows embedders to customize the cc_opts for Perfetto
56    # 3rd party dependencies. They only have an effect if the dependencies are
57    # initialized with the Perfetto build files (i.e. via perfetto_deps()).
58    deps_copts = struct(
59        zlib = [],
60        jsoncpp = [],
61        linenoise = [],
62        sqlite = [],
63    ),
64
65    # Allow Bazel embedders to change the visibility of "public" targets.
66    # This variable has been introduced to limit the change to Bazel and avoid
67    # making the targets fully public in the google internal tree.
68    public_visibility = [
69        "//visibility:public",
70    ],
71
72    # Allow Bazel embedders to change the visibility of the proto targets.
73    # This variable has been introduced to limit the change to Bazel and avoid
74    # making the targets public in the google internal tree.
75    proto_library_visibility = "//visibility:private",
76
77    # This struct allows the embedder to customize copts and other args passed
78    # to rules like cc_binary. Prefixed rules (e.g. perfetto_cc_binary) will
79    # look into this struct before falling back on native.cc_binary().
80    # This field is completely optional, the embedder can omit the whole
81    # |rule_overrides| or invidivual keys. They are assigned to None or noop
82    # actions here just for documentation purposes.
83    rule_overrides = struct(
84        cc_binary = None,
85        cc_library = None,
86        cc_proto_library = None,
87
88        # Supporting java rules pulls in the JDK and generally is not something
89        # we need for most embedders.
90        java_proto_library = _noop_override,
91        java_lite_proto_library = _noop_override,
92
93        proto_library = None,
94        py_binary = None,
95        py_library = None,
96
97        # We only need this for internal binaries. No other embeedder should
98        # care about this.
99        gensignature_internal_only = None,
100    ),
101)
102