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- # Copyright 2015 The Chromium 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/c++/c++.gni")
- source_set("libc++abi") {
- if (export_libcxxabi_from_executables) {
- visibility = [ "//build/config:executable_deps" ]
- } else {
- visibility = [ "//buildtools/third_party/libc++" ]
- }
- # Fuchsia builds don't link against any libraries that provide stack
- # unwinding symbols, unlike Linux does with glibc (same applies for Android).
- # Build and link against libunwind manually to get this functionality.
- if (is_fuchsia || is_android) {
- deps = [ "//buildtools/third_party/libunwind" ]
- }
- sources = [
- "trunk/src/abort_message.cpp",
- "trunk/src/cxa_aux_runtime.cpp",
- "trunk/src/cxa_default_handlers.cpp",
- "trunk/src/cxa_exception.cpp",
- "trunk/src/cxa_exception_storage.cpp",
- "trunk/src/cxa_handlers.cpp",
- # This file is supposed to be used in fno-exception builds of
- # libc++abi. We build lib++/libc++abi with exceptions enabled.
- #"trunk/src/cxa_noexception.cpp",
- "trunk/src/cxa_personality.cpp",
- "trunk/src/cxa_vector.cpp",
- "trunk/src/cxa_virtual.cpp",
- "trunk/src/fallback_malloc.cpp",
- "trunk/src/private_typeinfo.cpp",
- "trunk/src/stdlib_exception.cpp",
- "trunk/src/stdlib_stdexcept.cpp",
- "trunk/src/stdlib_typeinfo.cpp",
- ]
- if (!is_tsan) {
- sources += [ "trunk/src/cxa_guard.cpp" ]
- }
- # See the comment in cxa_demangle_stub.cc for why we don't use LLVM's
- # demangler on android.
- # TODO(thakis): Switch to building with LIBCXXABI_NON_DEMANGLING_TERMINATE
- # defined instead.
- if (is_android) {
- sources += [ "cxa_demangle_stub.cc" ]
- } else {
- sources += [ "trunk/src/cxa_demangle.cpp" ]
- }
- if (is_fuchsia || (is_posix && !is_apple)) {
- sources += [ "trunk/src/cxa_thread_atexit.cpp" ]
- }
- defines = [
- "LIBCXXABI_SILENT_TERMINATE",
- # TODO(crbug.com/1298070) _LIBCPP_CONSTINIT is defined in a libc++ revision
- # more recent than the one currently used in Chromium.
- "_LIBCPP_CONSTINIT=constinit",
- ]
- configs -= [
- "//build/config/compiler:chromium_code",
- "//build/config/compiler:no_exceptions",
- "//build/config/compiler:no_rtti",
- "//build/config/coverage:default_coverage",
- ]
- configs += [
- "//build/config/compiler:no_chromium_code",
- "//build/config/compiler:exceptions",
- "//build/config/compiler:rtti",
- "//buildtools/third_party/libc++:config",
- ]
- # private_typeinfo.cpp implements __dynamic_cast(), which is the runtime
- # bit that implements dynamic_cast<>(). But ubsan's vptr check inserts
- # dynamic_cast<>()s, which leads to infinite recursion. So make sure we don't
- # pass -fsanitize=vptr.
- configs -= [ "//build/config/sanitizers:default_sanitizer_flags" ]
- configs +=
- [ "//build/config/sanitizers:default_sanitizer_flags_but_ubsan_vptr" ]
- if (export_libcxxabi_from_executables || libcxx_is_shared) {
- configs -= [ "//build/config/gcc:symbol_visibility_hidden" ]
- configs += [ "//build/config/gcc:symbol_visibility_default" ]
- }
- # libc++abi depends on libc++ internals.
- include_dirs = [ "../libc++/trunk/src" ]
- }
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