| # 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/stack_size_section.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 promote warnings to errors. |
| deny_warnings = 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("stack-size-section") { |
| if (!is_gcc && stack_size_section) { |
| cflags = [ "-fstack-size-section" ] |
| 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", |
| ":time-trace", |
| ":toolchain_version_stamp", |
| ":stack-size-section", |
| ] |
| |
| if (!is_gcc) { |
| 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" ] |
| } else if (current_cpu == "wasm32" && current_os == "unknown") { |
| configs += [ "//build/config/wasm:compiler" ] |
| } |
| } |
| |
| asmflags = cflags |
| } |
| |
| config("cpu_baseline") { |
| if (current_cpu == "arm64") { |
| configs = [ "//build/config/arm64" ] |
| } else if (current_cpu == "x64") { |
| configs = [ "//build/config/x64" ] |
| } |
| } |
| |
| config("compiler_diagnostics") { |
| cflags = [ "-fcrash-diagnostics=all" ] |
| if (clang_enable_error_reproducers) { |
| cflags += [ "-gen-reproducer=error" ] |
| } |
| ldflags = cflags |
| asmflags = cflags |
| } |
| |
| # 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" ] |
| } |
| |
| configs = [ ":compiler_diagnostics" ] |
| } |
| |
| 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", |
| |
| # TODO(fxbug.dev/101358): -Warray-bounds has false positives in GCC 12. |
| # When https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105762 is fixed, |
| # remove this. |
| "-Wno-array-bounds", |
| ] |
| } |
| } |
| |
| # 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" ] |
| } |
| |
| config("Wno-sign-compare") { |
| cflags = [ "-Wno-sign-compare" ] |
| visibility = |
| [ "//src/connectivity/wlan/drivers/third_party/nxp/nxpfmac/mlan:*" ] |
| } |
| |
| config("Wno-pointer-sign") { |
| cflags = [ "-Wno-pointer-sign" ] |
| visibility = |
| [ "//src/connectivity/wlan/drivers/third_party/nxp/nxpfmac/mlan:*" ] |
| } |
| |
| config("Wno-incompatible-pointer-types-discards-qualifiers") { |
| cflags = [ "-Wno-incompatible-pointer-types-discards-qualifiers" ] |
| visibility = |
| [ "//src/connectivity/wlan/drivers/third_party/nxp/nxpfmac/mlan:*" ] |
| } |
| |
| config("Wno-address-of-packed-member") { |
| cflags = [ "-Wno-address-of-packed-member" ] |
| visibility = |
| [ "//src/connectivity/wlan/drivers/third_party/nxp/nxpfmac/mlan:*" ] |
| } |
| |
| # 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 = [ |
| "//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/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/transport/uart:*", |
| "//src/connectivity/bluetooth/hci/vendor/broadcom:*", |
| "//src/connectivity/bluetooth/hci/vendor/intel:*", |
| "//src/connectivity/bluetooth/hci/virtual:*", |
| "//src/connectivity/bluetooth/tools/bt-hci-tool:*", |
| "//src/connectivity/bluetooth/tools/bt-intel-tool:*", |
| "//src/connectivity/ethernet/drivers/third_party/igc:*", |
| "//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/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/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/third_party/nxp/nxpfmac/mlan:*", |
| "//src/connectivity/wlan/drivers/wlanif:*", |
| "//src/connectivity/wlan/drivers/wlanif/test:*", |
| "//src/connectivity/wlan/drivers/wlanphy:*", |
| "//src/connectivity/wlan/drivers/wlansoftmac:*", |
| "//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/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/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/intel-i915-tgl:*", |
| "//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/svg:*", |
| "//src/lib/backoff:*", |
| "//src/lib/chunked-compression:*", |
| "//src/lib/cobalt/cpp:*", |
| "//src/lib/containers/cpp:*", |
| "//src/lib/ddk:*", |
| "//src/lib/debugger_utils:*", |
| "//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/tests:*", |
| "//src/media/audio/audio_core/v1:*", |
| "//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/drivers/amlogic_decoder/third_party/libvpx:*", |
| "//src/media/drivers/amlogic_decoder/third_party/vp9_adapt_probs:*", |
| "//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/sessionmgr:*", |
| "//src/modular/bin/sessionmgr/puppet_master:*", |
| "//src/modular/bin/sessionmgr/storage:*", |
| "//src/modular/lib/async/cpp:*", |
| "//src/modular/lib/modular_config:*", |
| "//src/modular/tests:*", |
| "//src/performance/lib/gperftools:*", |
| "//src/performance/lib/gperftools/tests:*", |
| "//src/performance/lib/perfmon:*", |
| "//src/performance/lib/trace_converters:*", |
| "//src/security/bin/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/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/escher/common:*", |
| "//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/tools/tiles_ctl:*", |
| "//src/virtualization/third_party/fdt:*", |
| "//third_party/acpica/*", |
| "//third_party/crashpad/*", |
| "//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/tpm2-tss/*", |
| "//third_party/zstd:*", |
| "//tools/bootserver_old:*", |
| "//tools/fidlcat:*", |
| "//tools/fidlcat/interception_tests:*", |
| "//tools/fidlcat/lib:*", |
| "//tools/netprotocol:*", |
| "//tools/symbolizer:*", |
| "//tools/vboot_reference:*", |
| "//vendor/*", |
| "//zircon/system/ulib/hid:*", |
| "//zircon/system/ulib/image-format:*", |
| "//zircon/system/ulib/ktrace:*", |
| "//zircon/system/ulib/spi:*", |
| "//zircon/system/ulib/sysconfig-client:*", |
| "//zircon/system/ulib/tftp:*", |
| "//zircon/system/ulib/trace:*", |
| "//zircon/system/ulib/trace-engine:*", |
| "//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/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/lz4:*", |
| ] |
| } |
| |
| config("Wno-extra-semi") { |
| cflags = [ "-Wno-extra-semi" ] |
| } |
| |
| config("Wno-implicit-fallthrough") { |
| cflags = [ "-Wno-implicit-fallthrough" ] |
| visibility = [ |
| "//src/connectivity/wlan/drivers/third_party/nxp/nxpfmac/mlan:*", |
| "//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 = [ |
| "//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" ] |
| } |
| } |
| |
| # Set a few lints to always be denied, regardless of the deny_warnings build arg. |
| rustflags = [ |
| "-Dderef-nullptr", |
| "-Dinvalid-value", |
| "-Dunused-must-use", |
| ] |
| if (deny_warnings) { |
| 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" ] |
| } |
| } |
| |
| config("zero-call-used-regs") { |
| # TODO(fxrev.dev/710262): Enable on arm64 when there's performance data. |
| if (current_cpu == "x64") { |
| cflags = [ "-fzero-call-used-regs=used-gpr" ] |
| defines = [ "ZERO_CALL_USED_REGS" ] |
| } |
| } |
| |
| # libc++ removed a number of transitive includes between version 14 and 15 |
| # but those were later re-added and conditionally gated on a new define in |
| # https://reviews.llvm.org/D128661. In Fuchsia, we have already done the |
| # cleanup so we can remove these transitive includes unconditionally to |
| # avoid regressions. |
| # |
| # Note: This is going to become the default in future libc++ versions. |
| config("libcpp_remove_transitive_includes") { |
| defines = [ "_LIBCPP_REMOVE_TRANSITIVE_INCLUDES" ] |
| } |
| |
| # Infinite loops are undefined behavior in C++ and thus can be optimized away |
| # by the compiler. This config inhibits that optimization. |
| config("no-finite-loops") { |
| cflags = [ "-fno-finite-loops" ] |
| } |
| |
| if (current_toolchain == default_toolchain) { |
| # Tools that must be executed locally. |
| pool("local") { |
| depth = default_concurrent_jobs.local |
| } |
| |
| # For actions that consume exceptionally large amounts of memory. |
| # The largest LTO link actions may fall into this category. |
| # See https://fxbug.dev/111094 for context. |
| pool("highmem") { |
| depth = 1 |
| } |
| } |