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 # The Python targets are empty on the standalone build because we assume 55 # any relevant deps are installed on the system or are not applicable. 56 protobuf_py = [], 57 pandas_py = [], 58 tp_vendor_py = [], 59 60 # There are multiple configurations for the function name demangling 61 # logic in trace processor: 62 # (1) The following defaults include a subset of demangling sources 63 # from llvm-project. This is the most complete implementation. 64 # (2) You can avoid the llvm dependency by setting "llvm_demangle = []" 65 # here and PERFETTO_LLVM_DEMANGLE to false in your 66 # perfetto_build_flags.h. Then the implementation will use a 67 # demangler from the c++ runtime, which will most likely handle 68 # only itanium mangling, and is unavailable on some platforms (e.g. 69 # Windows, where it becomes a nop). 70 # (3) You can override the whole demangle_wrapper below, and provide 71 # your own demangling implementation. 72 demangle_wrapper = [ "//:src_trace_processor_demangle" ], 73 llvm_demangle = ["@perfetto_dep_llvm_demangle//:llvm_demangle"], 74 ), 75 76 # This struct allows embedders to customize the cc_opts for Perfetto 77 # 3rd party dependencies. They only have an effect if the dependencies are 78 # initialized with the Perfetto build files (i.e. via perfetto_deps()). 79 deps_copts = struct( 80 zlib = [], 81 jsoncpp = [], 82 linenoise = [], 83 sqlite = [], 84 llvm_demangle = [], 85 ), 86 87 # Allow Bazel embedders to change the visibility of "public" targets. 88 # This variable has been introduced to limit the change to Bazel and avoid 89 # making the targets fully public in the google internal tree. 90 public_visibility = [ 91 "//visibility:public", 92 ], 93 94 # Allow Bazel embedders to change the visibility of the proto targets. 95 # This variable has been introduced to limit the change to Bazel and avoid 96 # making the targets public in the google internal tree. 97 proto_library_visibility = "//visibility:private", 98 99 # This struct allows the embedder to customize copts and other args passed 100 # to rules like cc_binary. Prefixed rules (e.g. perfetto_cc_binary) will 101 # look into this struct before falling back on native.cc_binary(). 102 # This field is completely optional, the embedder can omit the whole 103 # |rule_overrides| or invidivual keys. They are assigned to None or noop 104 # actions here just for documentation purposes. 105 rule_overrides = struct( 106 proto_library = None, 107 108 cc_binary = None, 109 cc_library = None, 110 cc_proto_library = None, 111 112 # Supporting java rules pulls in the JDK and generally is not something 113 # we need for most embedders. 114 java_proto_library = _noop_override, 115 java_lite_proto_library = _noop_override, 116 117 py_binary = None, 118 py_library = None, 119 py_proto_library = None, 120 121 # We only need this for internal binaries. No other embeedder should 122 # care about this. 123 gensignature_internal_only = None, 124 ), 125) 126