blob: 7d5d363934aa239213933f271a973143ee61371e [file] [log] [blame]
# Copyright 2016 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/config/clang/clang.gni")
import("//build/config/clang/crash_diagnostics.gni")
import("//build/config/clang/time_trace.gni")
import("//build/config/compiler.gni")
import("//build/config/linker.gni")
import("//build/rust/config.gni")
import("//build/toolchain/ccache.gni")
import("//build/toolchain/concurrent_jobs.gni")
import("//build/toolchain/goma.gni")
declare_args() {
if (is_fuchsia) {
# Controls whether the compiler emits full stack frames for function calls.
# This reduces performance but increases the ability to generate good
# stack traces, especially when we have bugs around unwind table generation.
# It applies only for Fuchsia targets (see below where it is unset).
#
# TODO(fxbug.dev/32216): Theoretically unwind tables should be good enough so we can
# remove this option when the issues are addressed.
enable_frame_pointers = is_debug
}
# **NOTE:** This is for **experimentation only** and should not normally be
# changed. Set the version of the C++ standard to compile for, 17 or 20.
experimental_cxx_version = 17
# Controls whether to use the ML inliner in Clang to reduce size.
clang_ml_inliner = true
}
# No frame pointers for host compiles.
if (!is_fuchsia) {
enable_frame_pointers = false
}
if (zircon_toolchain != false) {
import("//build/config/zircon/levels.gni")
enable_frame_pointers = zx_assert_level > 0
}
config("language") {
cflags_c = [ "-std=c11" ]
cflags_cc = [ "-std=c++$experimental_cxx_version" ]
if (current_os == "mac") {
# macOS needs this to not complain about C++17isms that older macOS
# system libc++ doesn't support. But we use our own toolchain's static
# libc++ anyway.
cflags_cc += [ "-faligned-allocation" ]
# libc++ headers mark some symbols as unavailable on macOS by default
# because the system libc++ doesn't support them. But we use our own
# toolchain's static libc++ anyway.
defines = [ "_LIBCPP_DISABLE_AVAILABILITY" ]
}
}
config("color_diagnostics") {
# GCC correctly defaults this from the terminal, so leave it alone.
if (!is_gcc) {
cflags = [ "-fcolor-diagnostics" ]
asmflags = cflags
ldflags = cflags
# The macOS linker does not support `--color-diagnostics`.
if (current_os != "mac") {
ldflags += [ "-Wl,--color-diagnostics" ]
}
}
}
config("crash-diagnostics-dir") {
if (!is_gcc && crash_diagnostics_dir != "") {
cflags = [ "-fcrash-diagnostics-dir=" +
rebase_path(crash_diagnostics_dir, root_build_dir) ]
asmflags = cflags
ldflags = cflags
}
}
config("time-trace") {
if (!is_gcc && time_trace) {
cflags = [ "-ftime-trace" ]
asmflags = cflags
ldflags = cflags
}
}
config("compiler") {
cflags = []
cflags_cc = [ "-fvisibility-inlines-hidden" ]
cflags_objcc = [ "-fvisibility-inlines-hidden" ]
configs = [
":color_diagnostics",
":crash-diagnostics-dir",
"rust:panic_cfg",
":time-trace",
":toolchain_version_stamp",
]
if (!is_gcc) {
# TODO(fxbug.dev/92521): Remove this after we address the wlan-hw-sim-test
# failures with the new Clang ABI.
cflags += [ "-fclang-abi-compat=13.0" ]
configs += [
":clang_defaults",
":ffp_contract",
]
}
if (current_os == "fuchsia") {
configs += [ "//build/config/fuchsia:compiler" ]
} else {
if (current_os == "linux") {
configs += [ "//build/config/linux:compiler" ]
} else if (current_os == "mac") {
configs += [ "//build/config/mac:compiler" ]
}
}
asmflags = cflags
}
config("cpu_baseline") {
if (current_cpu == "arm64") {
configs = [ "//build/config/arm64" ]
} else if (current_cpu == "x64") {
configs = [ "//build/config/x64" ]
}
}
# These flags are enabled by default in Fuchsia's Clang toolchain, but we set
# them explicitly to support other Clang toolchains and Clang-based tools.
config("clang_defaults") {
if (clang_embed_bitcode) {
cflags = [
"-Xclang",
"-fembed-bitcode=all",
]
}
if (current_cpu == "x64") {
asmflags = [ "-Wa,--mrelax-relocations=yes" ]
}
}
config("ffp_contract") {
# TODO(fxbug.dev/88681): This was the default for -ffp-model=precise until
# LLVM revision f04e387055e495e3e14570087d68e93593cf2918 when Clang switched
# to -ffp-contract=on.
cflags = [ "-ffp-contract=off" ]
asmflags = cflags
}
# We want to force a recompile and relink of the world whenever our toolchain
# changes since artifacts from an older version of the toolchain may or may not
# be compatible with newer ones.
#
# To achieve this, we insert an unused flag in the compile line.
config("toolchain_version_stamp") {
if (clang_prefix == default_clang_prefix) {
clang_version = read_file(
"//prebuilt/third_party/clang/${host_platform}/.versions/clang.cipd_version",
"json")
defines = [ "TOOLCHAIN_VERSION=${clang_version.instance_id}" ]
}
rustflags = [ "--cfg=__rust_toolchain=\"${rustc_version_string}\"" ]
}
config("relative_paths") {
if (is_gcc) {
if (use_goma) {
# TODO(fxbug.dev/27308): `-fdebug-prefix-map` is also used by Goma to canonicalize
# build commands, allowing it to reuse compilation results for users running
# out of different working directories. However, it only supports a single
# "-fdebug-prefix-map" prefix. Attempting to provide more than one causes
# canonicalization to fail, meaning that builds running out of different
# directories won't share cache results. For now, we just provide a single
# debug-prefix-map, even though more would be ideal.
# Map "/some/dir/fuchsia" to "../..".
cflags = [ "-fdebug-prefix-map=" + rebase_path("//") + "=" +
rebase_path("//", root_build_dir) ]
} else {
cflags = [
# Map "/some/dir/fuchsia/out/my-build.my-arch" to ".".
"-fdebug-prefix-map=" + rebase_path(root_build_dir) + "=.",
# Map "/some/dir/fuchsia/out" to "..".
"-fdebug-prefix-map=" + rebase_path("$root_build_dir/..") + "=..",
# Map "/some/dir/fuchsia" to "../..".
"-fdebug-prefix-map=" + rebase_path("//") + "=" +
rebase_path("//", root_build_dir),
]
}
} else {
# Make builds independent of the absolute file path. -ffile-prefix-map= can
# be used to the same effect, but it requires putting the absolute path to
# the build directory in the compile command, thus making it dependent on
# the absolute path of build directory. -ffile-compilation-dir is designed
# to address this issue, making both debug info and coverage mapping
# independent of the absolute path of the build directory.
cflags = [ "-ffile-compilation-dir=." ]
}
if (!is_gcc) {
# This makes sure that include directories in the toolchain are
# represented as relative to the build directory (because that's how we
# invoke the compiler), rather than absolute. This can affect __FILE__
# expansions (e.g. assertions in system headers). We normally run a
# compiler that's someplace within the source tree, so its absolute
# installation path will have a prefix matching `absolute_path` and
# hence be mapped to `relative_path` in the debugging information, so
# this should actually be superfluous for purposes of the debugging
# information.
cflags += [ "-no-canonical-prefixes" ]
}
asmflags = cflags
ldflags = cflags
if (current_os == "win") {
ldflags += [
# This embeds just "name.pdb" in the binary instead of the absolute
# path to the PDB file.
"-Wl,/pdbaltpath:%_PDB%",
# This embeds a fake Windows-style absolute path rather than the real
# build-time absolute path in the PDB file. Windows apparently
# requires an absolute path here, so we use an arbitrary fake one for
# reproducibility.
"-Wl,/pdbsourcepath:c:\\src",
]
}
# `-Zremap-cwd-prefix` ensures that absolute paths do not leak into
# outputs for universal reproducibility while keeping the command line
# free of absolute paths for remote caching benefit.
# Available since: https://github.com/rust-lang/rust/pull/87320
rustflags = [ "-Zremap-cwd-prefix=." ]
}
config("debug") {
rustflags = [ "-Cdebug-assertions=yes" ]
}
config("release") {
defines = [ "NDEBUG=1" ]
}
config("exceptions") {
cflags_cc = [ "-fexceptions" ]
cflags_objcc = cflags_cc
ldflags = cflags_cc
}
config("no_exceptions") {
cflags_cc = [ "-fno-exceptions" ]
cflags_objcc = cflags_cc
ldflags = cflags_cc
}
config("rtti") {
cflags_cc = [ "-frtti" ]
cflags_objcc = cflags_cc
ldflags = cflags_cc
}
config("no_rtti") {
cflags_cc = [ "-fno-rtti" ]
cflags_objcc = cflags_cc
ldflags = cflags_cc
}
config("default_include_dirs") {
include_dirs = [
"//",
root_gen_dir,
]
}
config("linker_gc") {
cflags = [
"-fdata-sections",
"-ffunction-sections",
]
ldflags = cflags
if (current_os == "mac") {
ldflags += [ "-Wl,-dead_strip" ]
} else if (current_os == "win") {
ldflags += [ "-Wl,/opt:ref" ]
} else {
ldflags += [ "-Wl,--gc-sections" ]
}
}
config("default_linker_gc") {
configs = [ ":linker_gc" ]
}
# Implicit dependencies for linker_gc config.
group("linker_gc_deps") {
}
config("linker_string_merging") {
if (current_os == "win") {
ldflags = [ "-Wl,/opt:lldtailmerge" ]
} else if (current_os != "mac") {
ldflags = [ "-Wl,-O2" ]
}
}
# Each optimize_$optimize config below corresponds to a single setting that's
# controlled by the optimize argument. The default_optimize level is set to
# optimize_$optimize for convenience, but individual targets can override their
# optimization level by remove default_optimize and manually applying one of
# the configs below.
config("optimize_none") {
cflags = [ "-O0" ]
ldflags = cflags
rustflags = [ "-Copt-level=0" ]
}
config("optimize_debug") {
cflags = [ "-Og" ]
ldflags = cflags
# Rust doesn't recognize opt level "g", the closest is "1".
# See: https://doc.rust-lang.org/rustc/codegen-options/index.html#opt-level
rustflags = [ "-Copt-level=1" ]
}
config("optimize_default") {
cflags = [ "-O2" ]
ldflags = cflags
rustflags = [ "-Copt-level=2" ]
}
config("optimize_size") {
# GCC doesn't have -Oz
if (!is_gcc && use_oz) {
cflags = [ "-Oz" ]
} else {
# TODO(fxbug.dev/84386): We would ideally be using -Oz by default but that
# currently frequently results in binaries that are larger than -Oz.
cflags = [ "-Os" ]
}
ldflags = cflags
if (clang_ml_inliner) {
cflags += [
# `release` uses AOT model embedded inside the compiler.
"-mllvm",
"-enable-ml-inliner=release",
]
}
if (use_oz) {
rustflags = [ "-Copt-level=z" ]
} else {
# TODO(fxbug.dev/84386): We would ideally be using -Oz by default but that
# currently frequently results in binaries that are larger than -Oz.
rustflags = [ "-Copt-level=s" ]
}
configs = [ ":linker_string_merging" ]
}
config("optimize_speed") {
cflags = [ "-O3" ]
ldflags = cflags
rustflags = [ "-Copt-level=3" ]
configs = [ ":linker_string_merging" ]
}
config("optimize_sanitizer") {
# Instrumentation adds overhead that is greatly improved by optimization.
# -O1 is well-tested with the instrumentation modes and does not degrade the
# comprehensibility of backtraces produced by sanitizer failures.
cflags = [ "-O1" ]
ldflags = cflags
rustflags = [ "-Copt-level=1" ]
}
config("optimize_profile") {
if (zircon_toolchain != false) {
# For Zircon artifacts, this must always enable optimizations
# to ensure userboot.so is compiled with -O2
# See https://fxbug.dev/67467 for more context.
configs = [ ":optimize_default" ]
} else {
cflags = [ "-O1" ]
ldflags = cflags
rustflags = [ "-Copt-level=1" ]
}
}
config("optimize_coverage") {
if (zircon_toolchain != false) {
# For Zircon artifacts, this must always enable optimizations
# to ensure userboot.so is compiled with -O2
# See https://fxbug.dev/67467 for more context.
configs = [ ":optimize_default" ]
} else {
cflags = [ "-O1" ]
ldflags = cflags
rustflags = [ "-Copt-level=1" ]
}
}
config("default_optimize") {
configs = [ ":optimize_${optimize}" ]
}
# Each of the debuginfo_$debuginfo configs below corresponds to a single setting
# that controls the amount of debugging information used and is controlled by
# the debuginfo argument. The default_debuginfo level is set to
# debuginfo_$debuginfo for convenience, but individual targets can override
# their debuginfo level by manually applying one of the configs below.
config("debuginfo_none") {
cflags = [ "-g0" ]
if (current_os != "win") {
asmflags = cflags
}
ldflags = cflags
rustflags = [ "-Cdebuginfo=0" ]
}
config("debuginfo_backtrace") {
cflags = [ "-g1" ]
if (current_os != "win") {
asmflags = cflags
}
ldflags = cflags
rustflags = [ "-Cdebuginfo=1" ]
}
config("debuginfo_debug") {
cflags = [ "-g3" ]
if (current_os != "win") {
asmflags = cflags
}
ldflags = cflags
rustflags = [ "-Cdebuginfo=2" ]
}
config("default_debuginfo") {
configs = [ ":debuginfo_${debuginfo}" ]
if (current_os != "win") {
cflags = [ "-gdwarf-${dwarf_version}" ]
if (!is_gcc) {
# This option forces Clang to only emit class type information when
# constructors are emitted which can significantly reduce debug info
# size. Eventually, this option will enabled by default in Clang when
# -fno-standalone-debug is used.
cflags += [
"-Xclang",
"-debug-info-kind=constructor",
]
}
asmflags = cflags
} else if (debuginfo != "none" && current_os == "win") {
# TODO(fxbug.dev/55244): This produces the .pdb file, but it doesn't seem
# to get the DWARF data out of the main output file.
ldflags = [ "-Wl,/debug:full" ]
}
}
config("default_frame_pointers") {
if (enable_frame_pointers) {
configs = [ ":frame_pointers" ]
} else {
configs = [ ":no_frame_pointers" ]
}
}
config("frame_pointers") {
cflags = [ "-fno-omit-frame-pointer" ]
ldflags = cflags
rustflags = [ "-Cforce-frame-pointers" ]
if (zircon_toolchain != false) {
defines = [ "WITH_FRAME_POINTERS=1" ]
}
}
group("frame_pointers_deps") {
# Implicit dependencies for frame_pointers config
}
config("no_frame_pointers") {
cflags = [ "-fomit-frame-pointer" ]
ldflags = cflags
# rustc automatically does this for release builds, and there's no way to
# force it for non-release.
if (zircon_toolchain != false) {
defines = [ "WITH_FRAME_POINTERS=0" ]
}
}
group("no_frame_pointers_deps") {
# Implicit dependencies for no_frame_pointers config
}
config("suppress_iterator_warnings") {
defines = [ "_LIBCPP_DISABLE_DEPRECATION_WARNINGS" ]
visibility = [
"//third_party/flatbuffers/*",
"//third_party/grpc/*",
]
}
config("default_warnings") {
cflags = [
"-Wall",
"-Wextra",
"-Wconversion",
"-Wextra-semi",
"-Wimplicit-fallthrough",
"-Wnewline-eof",
"-Wstrict-prototypes",
"-Wwrite-strings",
"-Wno-sign-conversion",
"-Wno-unused-parameter",
"-Wnonportable-system-include-path",
]
if (is_gcc) {
# GCC is pedantic about which flags apply to which language.
cflags -= [
"-Wstrict-prototypes",
"-Wextra-semi",
]
cflags_c = [ "-Wstrict-prototypes" ]
cflags_cc = [ "-Wextra-semi" ]
# GCC doesn't support these flags
cflags -= [
"-Wnewline-eof",
"-Wnonportable-system-include-path",
]
cflags += [
# TODO(fxbug.dev/64272): Disable "-Wmissing-field-initializers" which
# warns when designated initializers are used on some (but not all)
# fields in C++, contrary to its documentation (and Clang).
#
# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39589.
"-Wno-missing-field-initializers",
]
}
}
config("Wno-reorder-init-list") {
cflags = [ "-Wno-reorder-init-list" ]
visibility = [ "//third_party/*" ]
}
# TODO(fxbug.dev/58161): clean up instances of this outside of third party code.
config("Wno-unused-function") {
cflags = [ "-Wno-unused-function" ]
visibility = [
"//src/devices/i2c/drivers/aml-i2c:aml-i2c-driver",
"//src/devices/i2c/drivers/intel-i2c:intel-i2c-driver",
"//zircon/third_party/uapp/dash",
"//zircon/third_party/ulib/musl/ldso",
"//zircon/third_party/ulib/musl/src/network",
"//zircon/third_party/ulib/musl/src/time",
]
}
config("Wno-range-loop-construct") {
cflags = [ "-Wno-range-loop-construct" ]
visibility = [ "//src/developer/debug/third_party/libunwindstack" ]
}
config("Wno-strict-prototypes") {
cflags = [ "-Wno-strict-prototypes" ]
}
# TODO(fxbug.dev/58162): clean up instances of this outside of third party code.
#
# NOTE: Do not add this to public_configs under any circumstances. Public
# configs are viral and will infect unsuspecting targets.
config("Wno-conversion") {
cflags = [ "-Wno-conversion" ]
# To trim this list:
# $ scripts/gn/trim_visibility.py --target="//build/config:Wno-conversion"
visibility = [
"//garnet/lib/debugger_utils:*",
"//garnet/lib/intel_pt_decode/*",
"//garnet/lib/perfmon:*",
"//garnet/lib/profiler:*",
"//garnet/lib/profiler/tests:*",
"//garnet/lib/trace_converters:*",
"//garnet/public/lib/test_runner/cpp:*",
"//sdk/lib/media/audio/cpp:*",
"//sdk/lib/media/cpp:*",
"//sdk/lib/sys/cpp/tests:*",
"//sdk/lib/sys/service/cpp:*",
"//sdk/lib/syslog/streams/cpp:*",
"//sdk/lib/vfs/cpp:*",
"//sdk/lib/vfs/cpp/testing:*",
"//src/bringup/bin/ptysvc:*",
"//src/camera/bin/camera-gym:*",
"//src/camera/drivers/controller/test:*",
"//src/camera/drivers/hw_accel/gdc:*",
"//src/camera/drivers/hw_accel/ge2d:*",
"//src/camera/drivers/sensors/imx227:*",
"//src/camera/lib/image_utils:*",
"//src/camera/lib/virtual_camera:*",
"//src/cobalt/bin/system-metrics:*",
"//src/cobalt/bin/testapp:*",
"//src/connectivity/bluetooth/core/bt-host/gap:*",
"//src/connectivity/bluetooth/core/bt-host/gatt:*",
"//src/connectivity/bluetooth/core/bt-host/hci:*",
"//src/connectivity/bluetooth/core/bt-host/l2cap:*",
"//src/connectivity/bluetooth/core/bt-host/sdp:*",
"//src/connectivity/bluetooth/core/bt-host/sm:*",
"//src/connectivity/bluetooth/core/bt-host/socket:*",
"//src/connectivity/bluetooth/core/bt-host/testing:*",
"//src/connectivity/bluetooth/core/bt-host/transport:*",
"//src/connectivity/bluetooth/hci/emulator:*",
"//src/connectivity/bluetooth/hci/transport/uart:*",
"//src/connectivity/bluetooth/hci/vendor/broadcom:*",
"//src/connectivity/bluetooth/hci/vendor/intel:*",
"//src/connectivity/bluetooth/tools/bt-hci-tool:*",
"//src/connectivity/bluetooth/tools/bt-intel-tool:*",
"//src/connectivity/network/tools/nc/third_party/openbsd-netcat:*",
"//src/connectivity/openthread/drivers/ot-radio:*",
"//src/connectivity/openthread/tests/fake-drivers/fake-ot-radio:*",
"//src/connectivity/telephony/drivers/qmi-fake-transport:*",
"//src/connectivity/telephony/drivers/qmi-usb-transport:*",
"//src/connectivity/telephony/tests/driver-unit:*",
"//src/connectivity/telephony/tests/fake-drivers/at-fake-transport:*",
"//src/connectivity/telephony/tests/fake-drivers/usb-qmi-function:*",
"//src/connectivity/wlan/drivers/testing:*",
"//src/connectivity/wlan/drivers/testing/lib/sim-env:*",
"//src/connectivity/wlan/drivers/testing/lib/sim-env/test:*",
"//src/connectivity/wlan/drivers/testing/lib/sim-fake-ap:*",
"//src/connectivity/wlan/drivers/testing/lib/sim-fake-ap/test:*",
"//src/connectivity/wlan/drivers/third_party/atheros/ath10k:*",
"//src/connectivity/wlan/drivers/third_party/broadcom/brcmfmac:*",
"//src/connectivity/wlan/drivers/third_party/broadcom/brcmfmac/chipset:*",
"//src/connectivity/wlan/drivers/third_party/broadcom/brcmfmac/msgbuf:*",
"//src/connectivity/wlan/drivers/third_party/broadcom/brcmfmac/msgbuf/test:*",
"//src/connectivity/wlan/drivers/third_party/broadcom/brcmfmac/pcie:*",
"//src/connectivity/wlan/drivers/third_party/broadcom/brcmfmac/sdio:*",
"//src/connectivity/wlan/drivers/third_party/broadcom/brcmfmac/sdio/test:*",
"//src/connectivity/wlan/drivers/third_party/broadcom/brcmfmac/sim:*",
"//src/connectivity/wlan/drivers/third_party/broadcom/brcmfmac/sim/test:*",
"//src/connectivity/wlan/drivers/third_party/broadcom/brcmfmac/test:*",
"//src/connectivity/wlan/drivers/third_party/intel/iwlwifi:*",
"//src/connectivity/wlan/drivers/third_party/intel/iwlwifi/mvm:*",
"//src/connectivity/wlan/drivers/third_party/intel/iwlwifi/pcie:*",
"//src/connectivity/wlan/drivers/third_party/intel/iwlwifi/platform:*",
"//src/connectivity/wlan/drivers/wlan:*",
"//src/connectivity/wlan/drivers/wlanif:*",
"//src/connectivity/wlan/drivers/wlanif/test:*",
"//src/connectivity/wlan/drivers/wlanphy:*",
"//src/connectivity/wlan/lib/common/cpp:*",
"//src/connectivity/wlan/lib/mlme/cpp:*",
"//src/connectivity/wlan/lib/mlme/cpp/tests:*",
"//src/connectivity/wlan/testing/wlantap-driver:*",
"//src/developer/debug/debug_agent:*",
"//src/developer/debug/debug_agent/integration_tests:*",
"//src/developer/debug/third_party/libunwindstack:*",
"//src/developer/debug/zxdb/client:*",
"//src/developer/debug/zxdb/console:*",
"//src/developer/debug/zxdb/debug_adapter:*",
"//src/developer/debug/zxdb/expr:*",
"//src/developer/debug/zxdb/symbols:*",
"//src/developer/ffx/lib/buildid/cpp:*",
"//src/developer/forensics/exceptions/tests:*",
"//src/developer/forensics/feedback_data/tests:*",
"//src/developer/memory/metrics:*",
"//src/developer/memory/monitor/tests:*",
"//src/developer/shell/josh/console:*",
"//src/developer/shell/josh/lib:*",
"//src/developer/shell/mirror:*",
"//src/devices/bin/driver_host:*",
"//src/devices/bin/driver_manager:*",
"//src/devices/block/bin/gpt:*",
"//src/devices/block/drivers/ftl:*",
"//src/devices/block/drivers/ftl/tests:*",
"//src/devices/block/drivers/nvme:*",
"//src/devices/board/drivers/x86:*",
"//src/devices/bus/drivers/pci:*",
"//src/devices/bus/drivers/pci/test:*",
"//src/devices/bus/drivers/platform/test:*",
"//src/devices/bus/lib/virtio:*",
"//src/devices/cpu/drivers/aml-cpu-legacy:*",
"//src/devices/i2c/drivers/intel-i2c:*",
"//src/devices/internal/drivers/fragment:*",
"//src/devices/lib/amlogic:*",
"//src/devices/lib/fidl-metadata/test:*",
"//src/devices/lib/goldfish/pipe_io:*",
"//src/devices/nand/drivers/intel-spi-flash:*",
"//src/devices/nand/drivers/ram-nand:*",
"//src/devices/pci/testing:*",
"//src/devices/power/drivers/fusb302:*",
"//src/devices/power/drivers/ti-ina231:*",
"//src/devices/pwm/drivers/aml-pwm:*",
"//src/devices/radar/tests/radar-integration-test:*",
"//src/devices/rtc/drivers/intel-rtc:*",
"//src/devices/spi/drivers/aml-spi:*",
"//src/devices/spi/drivers/intel-gspi:*",
"//src/devices/spi/drivers/spi:*",
"//src/devices/sysmem/drivers/sysmem:*",
"//src/devices/tee/drivers/optee:*",
"//src/devices/temperature/drivers/shtv3:*",
"//src/devices/testing/fake-msi:*",
"//src/devices/testing/goldfish/fake_pipe:*",
"//src/devices/tpm/drivers/cr50-spi:*",
"//src/devices/tpm/drivers/tpm:*",
"//src/devices/usb/drivers/xhci:*",
"//src/diagnostics/validator/inspect/lib/cpp:*",
"//src/firmware/gigaboot/lib",
"//src/firmware/gigaboot/src",
"//src/graphics/display/drivers/aml-hdmi:*",
"//src/graphics/display/drivers/amlogic-display:*",
"//src/graphics/display/drivers/display:*",
"//src/graphics/display/drivers/fake:*",
"//src/graphics/display/drivers/goldfish-display:*",
"//src/graphics/display/drivers/intel-i915:*",
"//src/graphics/display/drivers/ssd1306:*",
"//src/graphics/display/lib/designware:*",
"//src/graphics/display/lib/designware/test:*",
"//src/graphics/display/testing:*",
"//src/graphics/drivers/misc/goldfish:*",
"//src/graphics/drivers/misc/goldfish_address_space:*",
"//src/graphics/drivers/misc/goldfish_sync:*",
"//src/graphics/drivers/msd-arm-mali/src:*",
"//src/graphics/lib/compute/common:*",
"//src/graphics/lib/compute/common/vk:*",
"//src/graphics/lib/compute/hotsort/hotsort_gen:*",
"//src/graphics/lib/compute/hotsort/platforms/vk:*",
"//src/graphics/lib/compute/hotsort/platforms/vk/targets:*",
"//src/graphics/lib/compute/spinel:*",
"//src/graphics/lib/compute/spinel/ext/geometry:*",
"//src/graphics/lib/compute/spinel/platforms/vk:*",
"//src/graphics/lib/compute/spinel/platforms/vk/targets:*",
"//src/graphics/lib/compute/spinel/platforms/vk/tests/spinel_vk_test:*",
"//src/graphics/lib/compute/svg:*",
"//src/graphics/lib/compute/tests:*",
"//src/graphics/lib/compute/tests/common/spinel:*",
"//src/graphics/lib/compute/tests/common/spinel_vk:*",
"//src/graphics/lib/compute/tests/common/svg:*",
"//src/graphics/lib/compute/tests/mock_spinel:*",
"//src/lib/backoff:*",
"//src/lib/chunked-compression:*",
"//src/lib/cobalt/cpp:*",
"//src/lib/containers/cpp:*",
"//src/lib/ddk:*",
"//src/lib/elflib:*",
"//src/lib/fidl/cpp/tests/dispatcher:*",
"//src/lib/fidl/llcpp/tests:*",
"//src/lib/fidl/llcpp/tests/conformance:*",
"//src/lib/fidl/llcpp/tests/integration:*",
"//src/lib/fidl/llcpp/tests/wire_types:*",
"//src/lib/files:*",
"//src/lib/fsl/socket:*",
"//src/lib/fsl/vmo:*",
"//src/lib/icu/tools/extractor:*",
"//src/lib/json_parser:*",
"//src/lib/line_input:*",
"//src/lib/listnode:*",
"//src/lib/process_builder:*",
"//src/lib/storage/vfs/cpp:*",
"//src/lib/ui/input:*",
"//src/lib/ui/scenic/cpp:*",
"//src/lib/usb_bulk/cpp:*",
"//src/lib/vmo_store:*",
"//src/lib/vulkan/imagepipe_view:*",
"//src/lib/vulkan/tests:*",
"//src/media/audio/audio_core:*",
"//src/media/audio/drivers/aml-g12-tdm/test:*",
"//src/media/audio/drivers/codecs/tas27xx:*",
"//src/media/audio/drivers/codecs/tas5720:*",
"//src/media/audio/drivers/intel-hda/controller:*",
"//src/media/audio/drivers/lib/audio-utils:*",
"//src/media/audio/drivers/lib/intel-hda:*",
"//src/media/codec/codecs:*",
"//src/media/codec/codecs/sw:*",
"//src/media/codec/codecs/sw/aac:*",
"//src/media/codec/codecs/sw/ffmpeg:*",
"//src/media/codec/codecs/sw/sbc:*",
"//src/media/codec/codecs/test:*",
"//src/media/codec/examples/use_media_decoder:*",
"//src/media/drivers/amlogic_decoder:*",
"//src/media/drivers/amlogic_decoder/third_party/libvpx:*",
"//src/media/lib/codec_impl:*",
"//src/media/lib/codec_impl/unit_tests:*",
"//src/media/lib/extend_bits/unit_tests:*",
"//src/media/playback/mediaplayer:*",
"//src/media/playback/mediaplayer/demux:*",
"//src/media/playback/mediaplayer/ffmpeg:*",
"//src/media/playback/mediaplayer/fidl:*",
"//src/media/playback/mediaplayer/graph:*",
"//src/media/playback/mediaplayer/metrics:*",
"//src/media/sounds/soundplayer:*",
"//src/media/vnext/lib/ffmpeg/*",
"//src/modular/bin/sessionctl:*",
"//src/modular/bin/sessionmgr:*",
"//src/modular/bin/sessionmgr/puppet_master:*",
"//src/modular/bin/sessionmgr/storage:*",
"//src/modular/lib/async/cpp:*",
"//src/modular/lib/modular_config:*",
"//src/modular/lib/modular_test_harness/cpp:*",
"//src/modular/tests:*",
"//src/security/tee_manager:*",
"//src/sys/appmgr:*",
"//src/sys/appmgr/integration_tests/mock_runner:*",
"//src/sys/appmgr/integration_tests/sandbox/features/storage:*",
"//src/sys/appmgr/integration_tests/util:*",
"//src/sys/lib/chrealm:*",
"//src/sys/pkg/lib/far/cpp:*",
"//src/sys/sysmgr:*",
"//src/ui/a11y/bin/a11y_manager/tests:*",
"//src/ui/a11y/bin/a11y_manager/tests/util:*",
"//src/ui/a11y/lib/annotation:*",
"//src/ui/a11y/lib/configuration:*",
"//src/ui/a11y/lib/configuration/tests:*",
"//src/ui/a11y/lib/gesture_manager/recognizers/tests:*",
"//src/ui/a11y/lib/magnifier/tests:*",
"//src/ui/a11y/lib/screen_reader:*",
"//src/ui/a11y/lib/screen_reader/focus/tests/mocks:*",
"//src/ui/a11y/lib/screen_reader/i18n:*",
"//src/ui/a11y/lib/screen_reader/i18n/tests:*",
"//src/ui/a11y/lib/screen_reader/tests:*",
"//src/ui/a11y/lib/semantics:*",
"//src/ui/a11y/lib/semantics/tests:*",
"//src/ui/a11y/lib/semantics/tests/mocks:*",
"//src/ui/a11y/lib/semantics/util/tests:*",
"//src/ui/a11y/lib/util:*",
"//src/ui/backlight/drivers/ti-lp8556:*",
"//src/ui/bin/root_presenter:*",
"//src/ui/bin/root_presenter/tests:*",
"//src/ui/examples/bouncing_ball:*",
"//src/ui/examples/embedder:*",
"//src/ui/examples/escher/common:*",
"//src/ui/examples/lab/direct_input:*",
"//src/ui/examples/lab/direct_input/child:*",
"//src/ui/examples/lab/scenic_dev_app:*",
"//src/ui/examples/shadertoy/service:*",
"//src/ui/examples/standalone_app:*",
"//src/ui/input/drivers/goodix:*",
"//src/ui/input/drivers/hid-buttons:*",
"//src/ui/input/drivers/pc-ps2:*",
"//src/ui/input/lib/hid-input-report:*",
"//src/ui/lib/escher/test:*",
"//src/ui/lib/escher/test/common:*",
"//src/ui/lib/yuv:*",
"//src/ui/scenic/bin:*",
"//src/ui/scenic/lib/display:*",
"//src/ui/scenic/lib/flatland:*",
"//src/ui/scenic/lib/flatland/buffers:*",
"//src/ui/scenic/lib/flatland/engine:*",
"//src/ui/scenic/lib/flatland/renderer:*",
"//src/ui/scenic/lib/flatland/renderer/tests:*",
"//src/ui/scenic/lib/flatland/tests:*",
"//src/ui/scenic/lib/gfx:*",
"//src/ui/scenic/lib/gfx/tests:*",
"//src/ui/scenic/lib/input:*",
"//src/ui/scenic/lib/input/tests:*",
"//src/ui/scenic/lib/scheduling/tests:*",
"//src/ui/tools/gltf_export:*",
"//src/ui/tools/scenic_snapshot_viewer:*",
"//src/ui/tools/tiles_ctl:*",
"//src/virtualization/third_party/fdt:*",
"//third_party/acpica/*",
"//third_party/crashpad/*",
"//third_party/ffmpeg/*",
"//third_party/glfw/*",
"//third_party/iperf/*",
"//third_party/libc-tests/*",
"//third_party/mesa/*",
"//third_party/micro-ecc/*",
"//third_party/modp_b64:*",
"//third_party/ogg/*",
"//third_party/opus/*",
"//third_party/rust_crates/compat/brotli:*",
"//third_party/zstd:*",
"//tools/bootserver_old:*",
"//tools/fidlcat:*",
"//tools/fidlcat/interception_tests:*",
"//tools/fidlcat/lib:*",
"//tools/netprotocol:*",
"//tools/symbolizer:*",
"//tools/vboot_reference:*",
"//vendor/*",
"//zircon/kernel/arch/arm64:*",
"//zircon/kernel/arch/arm64/hypervisor:*",
"//zircon/kernel/arch/x86:*",
"//zircon/kernel/arch/x86/user-copy:*",
"//zircon/kernel/dev/coresight/tests:*",
"//zircon/kernel/kernel:*",
"//zircon/kernel/lib/acpi_lite:*",
"//zircon/kernel/lib/cbuf:*",
"//zircon/kernel/lib/crypto/boringssl:*",
"//zircon/kernel/lib/jtrace:*",
"//zircon/kernel/lib/jtrace/tests:*",
"//zircon/kernel/lib/libc/string",
"//zircon/kernel/lib/libc/string/arch/arm64:*",
"//zircon/kernel/lib/libc/string/arch/x86:*",
"//zircon/kernel/lib/persistent-debuglog/tests:*",
"//zircon/kernel/lib/syscalls:*",
"//zircon/kernel/lib/userabi/userboot:*",
"//zircon/kernel/object:*",
"//zircon/kernel/platform/generic-arm:*",
"//zircon/kernel/platform/pc:*",
"//zircon/kernel/target/arm64/boot-shim:*",
"//zircon/kernel/tests:*",
"//zircon/kernel/vm:*",
"//zircon/system/ulib/fidl:*",
"//zircon/system/ulib/hid:*",
"//zircon/system/ulib/image-format:*",
"//zircon/system/ulib/ktrace:*",
"//zircon/system/ulib/launchpad:*",
"//zircon/system/ulib/ldmsg:*",
"//zircon/system/ulib/spi:*",
"//zircon/system/ulib/sysconfig-client:*",
"//zircon/system/ulib/sysmem-version:*",
"//zircon/system/ulib/sysmem-version/test:*",
"//zircon/system/ulib/tftp:*",
"//zircon/system/ulib/trace:*",
"//zircon/system/ulib/trace-engine:*",
"//zircon/system/ulib/trace-test-utils:*",
"//zircon/system/utest/msd:*",
"//zircon/third_party/dev/ethernet/e1000:*",
"//zircon/third_party/lib/jitterentropy",
"//zircon/third_party/uapp/dash:*",
"//zircon/third_party/uapp/fsck-msdosfs:*",
"//zircon/third_party/uapp/mkfs-msdosfs:*",
"//zircon/third_party/ulib/cksum:*",
"//zircon/third_party/ulib/linenoise:*",
"//zircon/third_party/ulib/musl:*",
"//zircon/third_party/ulib/musl/ldso",
"//zircon/third_party/ulib/musl/src/complex",
"//zircon/third_party/ulib/musl/src/dirent",
"//zircon/third_party/ulib/musl/src/env",
"//zircon/third_party/ulib/musl/src/fenv",
"//zircon/third_party/ulib/musl/src/internal",
"//zircon/third_party/ulib/musl/src/ipc",
"//zircon/third_party/ulib/musl/src/legacy",
"//zircon/third_party/ulib/musl/src/locale",
"//zircon/third_party/ulib/musl/src/math",
"//zircon/third_party/ulib/musl/src/multibyte",
"//zircon/third_party/ulib/musl/src/network",
"//zircon/third_party/ulib/musl/src/passwd",
"//zircon/third_party/ulib/musl/src/prng",
"//zircon/third_party/ulib/musl/src/process",
"//zircon/third_party/ulib/musl/src/regex",
"//zircon/third_party/ulib/musl/src/sched",
"//zircon/third_party/ulib/musl/src/stdio",
"//zircon/third_party/ulib/musl/src/stdlib",
"//zircon/third_party/ulib/musl/src/string:*",
"//zircon/third_party/ulib/musl/src/time",
"//zircon/third_party/ulib/musl/src/unistd",
"//zircon/third_party/ulib/musl/third_party/complex",
"//zircon/third_party/ulib/musl/third_party/math",
"//zircon/third_party/ulib/musl/third_party/tre",
"//zircon/third_party/ulib/ngunwind:*",
"//zircon/tools/blobfs:*",
"//zircon/tools/merkleroot:*",
]
}
config("Wno-extra-semi") {
cflags = [ "-Wno-extra-semi" ]
}
config("Wno-implicit-fallthrough") {
cflags = [ "-Wno-implicit-fallthrough" ]
visibility = [
"//src/lib/fxl:third_party",
"//third_party/rust_crates/compat/brotli",
"//zircon/third_party/uapp/dash",
"//zircon/third_party/ulib/boringssl",
"//zircon/third_party/ulib/lz4",
"//zircon/tools/lz4",
]
}
# Config to suppress Wno-unused-but-set-parameter warning in the third party code
# that doesn't comply with.
config("Wno-unused-but-set-parameter") {
cflags = [ "-Wno-unused-but-set-parameter" ]
visibility = [
"//third_party/*",
"//vendor/*",
"//zircon/third_party/uapp/dash",
]
}
# Config to suppress Wunused-but-set-variable warning in the third party code
# that doesn't comply with.
config("Wno-unused-but-set-variable") {
cflags = [ "-Wno-unused-but-set-variable" ]
visibility = [
"//garnet/bin/insntrace/*",
"//src/connectivity/network/tools/nc/third_party/openbsd-netcat/*",
"//src/connectivity/wlan/drivers/third_party/*",
"//src/devices/power/drivers/fusb302/*",
"//src/devices/usb/drivers/xhci/*",
"//src/media/audio/drivers/usb-audio/*",
"//src/storage/fvm/driver/*",
"//third_party/*",
"//vendor/*",
"//zircon/third_party/uapp/dash",
]
}
# Config to suppress Wbitwise-instead-of-logical warning in the third party code
# that doesn't comply with.
config("Wno-bitwise-instead-of-logical") {
cflags = [ "-Wno-bitwise-instead-of-logical" ]
visibility = [ "//third_party/zstd:*" ]
}
config("Wno-defaulted-function-deleted") {
cflags = [ "-Wno-defaulted-function-deleted" ]
visibility = [ "//src/lib/vulkan/*" ]
}
config("symbol_visibility_hidden") {
# Disable libc++ visibility annotations to make sure that the compiler option
# has effect on symbols defined in libc++ headers. Note that we don't want to
# disable these annotations altogether to ensure that our toolchain is usable
# outside of our build since not every user uses hidden visibility by default.
defines = [ "_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS" ]
cflags = [ "-fvisibility=hidden" ]
if (zircon_toolchain != false) {
cflags_cc = [ "-fvisibility-inlines-hidden" ]
}
}
config("symbol_no_undefined") {
if (current_os == "mac") {
ldflags = [ "-Wl,-undefined,error" ]
} else {
ldflags = [ "-Wl,--no-undefined" ]
}
}
config("shared_library_config") {
if (current_os == "fuchsia") {
configs = [ "//build/config/fuchsia:shared_library_config" ]
} else if (current_os == "linux") {
cflags = [ "-fPIC" ]
} else if (current_os == "mac") {
configs = [ "//build/config/mac:mac_dynamic_flags" ]
}
}
config("executable_config") {
configs = []
if (current_os == "fuchsia") {
configs += [ "//build/config/fuchsia:executable_config" ]
} else if (current_os == "mac") {
configs += [
"//build/config/mac:mac_dynamic_flags",
"//build/config/mac:mac_executable_flags",
]
}
}
config("default_libs") {
configs = []
if (current_os == "mac") {
configs += [ "//build/config/mac:default_libs" ]
}
}
config("werror") {
if (!use_ccache) {
cflags = [
"-Werror",
# Declarations marked as deprecated should cause build failures, rather
# they should emit warnings to notify developers about the use of
# deprecated interfaces.
"-Wno-error=deprecated-declarations",
# Do not add additional -Wno-error to this config.
]
asmflags = [ "-Wa,--fatal-warnings" ]
cflags += asmflags
if (current_os == "win") {
ldflags = [ "-Wl,/WX" ]
}
}
rustflags = [ "-Dwarnings" ]
}
# Please use //build/config/sanitizers:suppress-ubsan.DO-NOT-USE-THIS instead
config("temporarily_disable_ubsan_do_not_use") {
configs = [ "//build/config/sanitizers:suppress-ubsan.DO-NOT-USE-THIS" ]
visibility = [ "//third_party/*" ]
}
config("no_stack_protector") {
cflags = [ "-fno-stack-protector" ]
}
config("no_profile") {
# The difference between this config and removing //build/config/profile is
# the dynamic linker setting which is necessary for it to use at runtime with
# the libraries it was linked against.
cflags = [
"-fno-profile-instr-generate",
"-fno-coverage-mapping",
]
}
config("icf") {
# This changes C/C++ semantics and might be incompatible with third-party
# code that relies on function pointers comparison.
if (current_os == "win" && (linker == "lld" || !is_gcc)) {
ldflags = [ "-Wl,/opt:icf=all" ]
} else if (linker == "gold" || linker == "lld") {
ldflags = [ "-Wl,--icf=all" ]
}
}
# "_ALL_SOURCE" is used by some system headers to expose more features (say in fcntl.h) beyond those
# strictly defined in standard.
config("all_source") {
defines = [ "_ALL_SOURCE" ]
}
config("auto_var_init") {
if (!is_gcc) {
# Automatically initialize variables with a pattern.
cflags = [ "-ftrivial-auto-var-init=pattern" ]
}
}
config("thread_safety_annotations") {
if (!is_gcc) {
cflags = [ "-Wthread-safety" ]
defines = [ "_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS=1" ]
}
}
# Tools that must be executed locally.
pool("local") {
depth = default_concurrent_jobs.local
}