# Copyright 2026 The Chromium Authors # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. import gn_utils class Override: def apply(self, target): raise NotImplementedError() class AppendSet(Override): def __init__(self, attribute, values): self.attribute = attribute self.values = values def apply(self, target): curr = getattr(target, self.attribute) if curr is None: setattr(target, self.attribute, set(self.values)) else: assert isinstance( curr, set ), f"Expected set for {self.attribute} on {target.name}, got {type(curr)}" curr.update(self.values) class ExtendList(Override): def __init__(self, attribute, values): self.attribute = attribute self.values = values def apply(self, target): curr = getattr(target, self.attribute) if curr is None: setattr(target, self.attribute, list(self.values)) else: assert isinstance( curr, list ), f"Expected list for {self.attribute} on {target.name}, got {type(curr)}" curr.extend(self.values) class SetValue(Override): def __init__(self, attribute, value): self.attribute = attribute self.value = value def apply(self, target): setattr(target, self.attribute, self.value) class PatchDict(Override): def __init__(self, attribute, key, value): self.attribute = attribute self.key = key self.value = value def apply(self, target): curr = getattr(target, self.attribute) assert isinstance( curr, dict ), f"Expected dict for {self.attribute} on {target.name}, got {type(curr)}" if self.key in curr and isinstance(curr[self.key], set) and isinstance( self.value, set): curr[self.key].update(self.value) elif self.key in curr and isinstance( curr[self.key], list) and isinstance(self.value, list): curr[self.key].extend(self.value) else: curr[self.key] = self.value class ArchOverride(Override): def __init__(self, arch, nested_overrides): self.arch = arch self.nested_overrides = nested_overrides def apply(self, target): target_variant = target.target.get(self.arch) assert target_variant is not None, f"Arch {self.arch} not found on {target.name}" for override in self.nested_overrides: override.apply(target_variant) class TranslationContext: def __init__(self, import_channel: str): self.import_channel = import_channel self.module_prefix = f'{import_channel}_cronet_' self.include_dirs_denylist = [ f'external/cronet/{import_channel}/third_party/zlib/', ] self.cc_defaults_module = f'{self.module_prefix}cc_defaults' self.java_framework_defaults_module = f'{self.module_prefix}java_framework_defaults' self.tree_path = f'external/cronet/{import_channel}' self.additional_args = self._initialize_additional_args() def _initialize_additional_args(self): args = { '//net/third_party/quiche:net_quic_test_tools_proto_gen#h': [ AppendSet('export_include_dirs', { "net/third_party/quiche/src", }) ], '//net/third_party/quiche:net_quic_test_tools_proto_gen#h#testing': [ AppendSet('export_include_dirs', { "net/third_party/quiche/src", }) ], # TODO: fix upstream. Both //base:base and # //base/allocator/partition_allocator:partition_alloc do not create a # dependency on gtest despite using gtest_prod.h. '//base:base': [ AppendSet('header_libs', { 'libgtest_prod_headers', }), AppendSet('export_header_lib_headers', { 'libgtest_prod_headers', }), ], '//base/allocator/partition_allocator:partition_alloc': [ AppendSet('header_libs', { 'libgtest_prod_headers', }), ], # TODO(b/309920629): Remove once upstreamed. '//components/cronet/android:cronet_api_java#unfiltered': [ AppendSet( 'srcs', { 'components/cronet/android/api/src/org/chromium/net/UploadDataProviders.java', 'components/cronet/android/api/src/org/chromium/net/apihelpers/UploadDataProviders.java', }), ], '//components/cronet/android:cronet_javatests#unfiltered#testing': [ AppendSet('static_libs', { 'net-tests-utils-host-device-common', }), ], '//components/cronet/android:cronet#testing': [ ArchOverride('android_riscv64', [SetValue('stem', "libmainlinecronet_riscv64")]), SetValue( 'comment', """TODO: remove stem for riscv64 // This is essential as there can't be two different modules // with the same output. We usually got away with that because // the non-testing Cronet is part of the Tethering APEX and the // testing Cronet is not part of the Tethering APEX which made them // look like two different outputs from the build system perspective. // However, Cronet does not ship to Tethering APEX for RISCV64 which // raises the conflict. Once we start shipping Cronet for RISCV64, // this can be removed."""), ], '//third_party/netty-tcnative:netty-tcnative-so#testing': [ExtendList('cflags', ["-Wno-error=pointer-bool-conversion"])], '//third_party/apache-portable-runtime:apr#testing': [ ExtendList('cflags', [ "-Wno-incompatible-pointer-types-discards-qualifiers", ]) ], # TODO(b/324872305): Remove when gn desc expands public_configs and update code to propagate the # include_dir from the public_configs # We had to add the export_include_dirs for each target because soong generates each header # file in a specific directory named after the target. '//base/allocator/partition_allocator/src/partition_alloc:chromecast_buildflags': [ AppendSet('export_include_dirs', { "base/allocator/partition_allocator/src/", }) ], '//base/allocator/partition_allocator/src/partition_alloc:chromeos_buildflags': [ AppendSet('export_include_dirs', { "base/allocator/partition_allocator/src/", }) ], '//base/allocator/partition_allocator/src/partition_alloc:debugging_buildflags': [ AppendSet('export_include_dirs', { "base/allocator/partition_allocator/src/", }) ], '//base/allocator/partition_allocator/src/partition_alloc:buildflags': [ AppendSet('export_include_dirs', { ".", "base/allocator/partition_allocator/src/", }) ], '//base/allocator/partition_allocator/src/partition_alloc:raw_ptr_buildflags': [ AppendSet('export_include_dirs', { "base/allocator/partition_allocator/src/", }) ], # Protobuf depends on Unsafe class which is used to perform unsafe native methods. This class is not # available in the public API provided by the android platform. It's only available by compiling # against `core_current` and adding `libcore_private.stubs` as a dependency. # defaults have to be removed to prevent sdk_version collision. '//third_party/protobuf:proto_runtime_lite_java#unfiltered': [ AppendSet('libs', { "libcore_private.stubs", }), SetValue('defaults', None), SetValue('sdk_version', 'core_current'), ], '//base:base_java_test_support#testing': [ PatchDict('errorprone', 'javacflags', { "-Xep:ReturnValueIgnored:WARN", }) ], '//third_party/perfetto/gn:gen_buildflags': [ AppendSet('export_include_dirs', { "third_party/perfetto/build_config/", }) ], # See https://crbug.com/517894073#comment5 '//third_party/boringssl:raw_bssl_sys_bindings': [ AppendSet('export_include_dirs', { "third_party/boringssl/src/include", }), AppendSet('local_include_dirs', { "third_party/boringssl/src/include", }) ], # TODO: https://crbug.com/418746360 - Handle //base:build_date_internal # for os:linux_glibc. '//base:build_date_internal#testing': [SetValue('host_supported', True)], '//components/cronet/android:cronet#nontesting': [SetValue('afdo', True)], } return args