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# Copyright (C) 2017 The Android Open Source Project
#
# 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.
import("perfetto.gni")
import("proto_library.gni")
if (perfetto_root_path == "//") {
import("//gn/standalone/sanitizers/vars.gni")
} else {
import("//build/config/sanitizers/sanitizers.gni")
}
# Genereates a header files that contains a macro definition for each build flag
# that is required by the codebase. This is to avoid sprinkling cflags all over
# the places, which is very fragile especially for our codebase that needs to
# deal with several build systems.
# The way this works is the following:
# - This rule generates a header that contains a bunch of lines like:
# #define PERFETTO_BUILDFLAG_DEFINE_PERFETTO_ANDROID_BUILD()
# - The generated header is included by base/build_config.h
# - Source files in the codebase #include base/build_config and use the
# pattern #if PERFETTO_BUILDFLAG(PERFETTO_ANDROID_BUILD)
buildflag_gen_dir_ = "$root_gen_dir/$perfetto_root_path/build_config"
action("gen_buildflags") {
script = "write_buildflag_header.py"
gen_header_path = "$buildflag_gen_dir_/perfetto_build_flags.h"
perfetto_component_build = false
if (defined(is_component_build) && is_component_build) {
perfetto_component_build = true
}
perfetto_force_dlog_on = perfetto_force_dlog == "on"
perfetto_force_dlog_off = perfetto_force_dlog == "off"
# We can't just use (is_linux || is_android) in perfetto.gni because that
# doesn't work in Android Mac host builds. We lose the GN notion of OS once
# we run the tools/gen_xxx generators.
if (enable_perfetto_watchdog) {
perfetto_watchdog = "PERFETTO_BUILDFLAG_DEFINE_PERFETTO_OS_ANDROID() || " +
"PERFETTO_BUILDFLAG_DEFINE_PERFETTO_OS_LINUX()"
} else {
perfetto_watchdog = "0"
}
if (enable_perfetto_tools) {
perfetto_local_symbolizer =
"PERFETTO_BUILDFLAG_DEFINE_PERFETTO_OS_LINUX() || " +
"PERFETTO_BUILDFLAG_DEFINE_PERFETTO_OS_MAC() ||" +
"PERFETTO_BUILDFLAG_DEFINE_PERFETTO_OS_WIN()"
} else {
perfetto_local_symbolizer = "0"
}
response_file_contents = [
"--flags", # Keep this marker first.
"PERFETTO_ANDROID_BUILD=$perfetto_build_with_android",
"PERFETTO_CHROMIUM_BUILD=$build_with_chromium",
"PERFETTO_STANDALONE_BUILD=$perfetto_build_standalone",
"PERFETTO_START_DAEMONS=$start_daemons_for_testing",
"PERFETTO_IPC=$enable_perfetto_ipc",
"PERFETTO_WATCHDOG=$perfetto_watchdog",
"PERFETTO_COMPONENT_BUILD=$perfetto_component_build",
"PERFETTO_FORCE_DLOG_ON=$perfetto_force_dlog_on",
"PERFETTO_FORCE_DLOG_OFF=$perfetto_force_dlog_off",
"PERFETTO_VERBOSE_LOGS=$perfetto_verbose_logs_enabled",
"PERFETTO_VERSION_GEN=$enable_perfetto_version_gen",
"PERFETTO_TP_PERCENTILE=$enable_perfetto_trace_processor_percentile",
"PERFETTO_TP_LINENOISE=$enable_perfetto_trace_processor_linenoise",
"PERFETTO_TP_HTTPD=$enable_perfetto_trace_processor_httpd",
"PERFETTO_TP_JSON=$enable_perfetto_trace_processor_json",
"PERFETTO_LOCAL_SYMBOLIZER=$perfetto_local_symbolizer",
"PERFETTO_ZLIB=$enable_perfetto_zlib",
]
rel_out_path = rebase_path(gen_header_path, "$root_build_dir")
args = [
"--out",
rel_out_path,
"--rsp",
"{{response_file_name}}",
]
outputs = [ gen_header_path ]
}
# All targets should depend on this target to inherit the right flags and
# include directories.
group("default_deps") {
visibility = [ "../*" ] # Prevent chromium targets from depending on this (breaks component).
public_configs = [ ":default_config" ]
deps = [ ":gen_buildflags" ]
if (perfetto_build_standalone) {
public_deps = [
"//gn/standalone:check_build_deps",
"//gn/standalone/libc++:deps",
"//gn/standalone/sanitizers:deps",
]
if (is_android) {
public_deps += [ "//gn/standalone:check_build_deps_android" ]
}
}
}
# The config that all targets in the perfetto codebase inherit by virtue of
# having explicit deps on //gn:default_deps. This config is NOT propagated up to
# embedders that depend on perfetto (e.g. chrome). :public_config (see below) is
# used for that.
config("default_config") {
visibility = [ "../*" ] # Prevent chromium targets from depending on this (breaks component).
configs = [ ":public_config" ]
defines = [ "PERFETTO_IMPLEMENTATION" ]
include_dirs = [
"..",
"../src/profiling/memory/include",
]
if (build_with_chromium && is_android) {
# Included for __android_log_print
libs = [ "log" ]
}
}
# This config is propagated to embedders via libperfetto. It's also included in
# the default_config above.
config("public_config") {
include_dirs = [
"../include",
# For perfetto_build_flags.h
buildflag_gen_dir_,
# For generated files (proto libraries etc). We add the directory here
# because we stop propagation of the configs for individual proto libraries
# to avoid duplicate include directory command line flags in compiler
# invocations, see proto_library.gni, crbug.com/1043279, crbug.com/gn/142.
"$root_gen_dir/$perfetto_root_path",
]
}
config("asan_instrumentation") {
if (use_sanitizer_configs_without_instrumentation) {
defines = [ "ADDRESS_SANITIZER_WITHOUT_INSTRUMENTATION" ]
}
}
if (perfetto_root_path != "//") {
config("gtest_and_gmock_embedder_config") {
include_dirs = [
"//testing/gtest/include",
"//testing/gmock/include",
]
}
}
group("gtest_and_gmock") {
testonly = true
if (perfetto_root_path == "//") {
public_deps = [
"//buildtools:gmock",
"//buildtools:gtest",
]
} else {
public_configs = [ ":gtest_and_gmock_embedder_config" ]
public_deps = [
"//testing/gmock",
"//testing/gtest",
]
}
}
group("gtest_main") {
testonly = true
if (perfetto_root_path == "//") {
public_deps = [ "//buildtools:gtest_main" ]
} else if (build_with_chromium) {
public_deps = [ "//base/test:run_all_unittests" ]
} else {
public_deps = [ "//testing/gtest:gtest_main" ]
}
}
# Full protobuf is just for host tools .No binary shipped on device should
# depend on this.
protobuf_full_deps_allowlist = [
"../src/ipc/protoc_plugin:*",
"../src/protozero/protoc_plugin:*",
"../src/protozero/filtering:filter_util",
"../src/trace_processor:trace_processor_shell",
"../src/protozero/filtering:filter_util",
"../tools/*",
]
group("protoc") {
public_deps = [ "${perfetto_protobuf_target_prefix}:protoc($host_toolchain)" ]
}
config("system_protoc") {
libs = [ "protoc" ] # This will link against libprotoc.so
}
config("system_protobuf") {
libs = [ "protobuf" ] # This will link against libprotobuf.so
}
# protoc compiler library, it's used for building protoc plugins.
group("protoc_lib") {
visibility = protobuf_full_deps_allowlist
if (current_toolchain == host_toolchain) {
if (perfetto_use_system_protobuf) {
public_configs = [
":system_protobuf",
":system_protoc",
":protobuf_gen_config",
]
} else {
public_deps = [ "${perfetto_protobuf_target_prefix}:protoc_lib" ]
}
}
}
group("protobuf_full") {
visibility = protobuf_full_deps_allowlist
if (perfetto_use_system_protobuf) {
public_configs = [ ":system_protobuf" ]
} else {
public_deps = [ "${perfetto_protobuf_target_prefix}:protobuf_full" ]
}
}
group("protobuf_lite") {
if (perfetto_use_system_protobuf) {
public_configs = [ ":system_protobuf" ]
} else {
public_deps = [ "${perfetto_protobuf_target_prefix}:protobuf_lite" ]
}
}
# This config is applied to the .pb.{cc,h} generated by proto_library(). This
# config is propagated up to the source sets that depend on generated proto
# headers and proto libraries. Therefore this should stay as lean and clean as
# possible in terms of -W-no* suppressions. Thankfully the autogenerated .pb.h
# headers violate less warnings than the libprotobuf_* library itself.
# This config is defined here (as opposed to //buildtools/BUILD.gn) so that when
# perfetto_use_system_protobuf=true, the right compiler flags are passed.
config("protobuf_gen_config") {
visibility = [ "*" ] # This is injected by standalone/proto_library.gni
defines = [
"GOOGLE_PROTOBUF_NO_RTTI",
"GOOGLE_PROTOBUF_NO_STATIC_INITIALIZER",
]
cflags = []
if (is_clang || !is_win) {
cflags += [
"-Wno-unknown-warning-option",
"-Wno-deprecated",
"-Wno-undef",
"-Wno-zero-as-null-pointer-constant",
]
}
if (is_clang && is_win) {
cflags += [
"-Wno-reserved-id-macro",
"-Wno-language-extension-token",
"-Wno-sign-conversion",
"-Wno-suggest-destructor-override",
"-Wno-undefined-reinterpret-cast",
"-Wno-inconsistent-missing-destructor-override",
"-Wno-unused-parameter",
]
}
if (!perfetto_use_system_protobuf) {
cflags += [
# Using -isystem instead of include_dirs (-I), so we don't need to
# suppress warnings coming from libprotobuf headers. Doing so would mask
# warnings in our own code.
perfetto_isystem_cflag,
rebase_path("../buildtools/protobuf/src", root_build_dir),
]
}
}
# The Google C++ Benchmark library.
# Only available in standalone builds.
if (enable_perfetto_benchmarks) {
group("benchmark") {
testonly = true
public_deps = [ "//buildtools:benchmark" ]
}
}
# Libbacktrace, used for printing stack traces from crash handler, only in
# standalone debug builds.
if (perfetto_build_standalone && (is_linux || is_android)) {
group("libbacktrace") {
public_deps = [ "//buildtools:libbacktrace" ]
}
}
if (enable_perfetto_trace_processor_sqlite) {
group("sqlite") {
if (perfetto_root_path == "//") {
public_deps = [ "//buildtools:sqlite" ]
} else {
if (build_with_chromium) {
public_deps = [ "//third_party/sqlite:sqlite_dev" ]
} else {
public_deps = [ "//third_party/sqlite:sqlite" ]
}
public_configs = [ ":sqlite_third_party_include_path" ]
}
}
}
config("sqlite_third_party_include_path") {
if (build_with_chromium) {
include_dirs = [ "//third_party/sqlite/dev" ]
} else {
include_dirs = [ "//third_party/sqlite" ]
}
}
if (enable_perfetto_trace_processor_json) {
group("jsoncpp") {
if (perfetto_root_path == "//") {
public_configs = [ "//buildtools:jsoncpp_config" ]
public_deps = [ "//buildtools:jsoncpp" ]
} else {
public_deps = [ "//third_party/jsoncpp:jsoncpp" ]
}
}
}
if (enable_perfetto_trace_processor_linenoise) {
# Used by the trace_processor_shell for REPL history.
# Only available in standalone builds.
group("linenoise") {
public_deps = [ "//buildtools:linenoise" ]
}
} # if (enable_perfetto_trace_processor_linenoise)
# Only used by src/profiling in standalone and android builds.
if (enable_perfetto_heapprofd || enable_perfetto_traced_perf) {
group("libunwindstack") {
public_configs = [ "//buildtools:libunwindstack_config" ]
public_deps = [ "//buildtools:libunwindstack" ]
}
}
# Used by src/profiling/perf for perf_regs.h.
if (enable_perfetto_traced_perf) {
group("bionic_kernel_uapi_headers") {
public_configs = [ "//buildtools:bionic_kernel_uapi_headers" ]
}
}
config("system_zlib_config") {
libs = [ "z" ]
}
# Zlib is used both by trace_processor and by perfetto_cmd.
if (enable_perfetto_zlib) {
group("zlib") {
if (perfetto_use_system_zlib) {
public_configs = [ "//gn:system_zlib_config" ]
} else if (perfetto_root_path == "//") {
public_configs = [ "//buildtools:zlib_config" ]
public_deps = [ "//buildtools:zlib" ]
} else {
public_configs = [ "//third_party/zlib:zlib_config" ]
public_deps = [ "//third_party/zlib" ]
}
}
}
# Used by fuzzers.
if (enable_perfetto_fuzzers && use_libfuzzer) {
group("libfuzzer") {
assert(perfetto_root_path == "//")
public_deps = [ "//buildtools:libfuzzer" ]
}
}