naiveproxy/buildtools/third_party/libc++abi/BUILD.gn
2018-12-09 21:59:24 -05:00

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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")
# TODO(thomasanderson): Remove this conditional once Android builds always set
# use_custom_libcxx=true.
if (use_custom_libcxx) {
source_set("libc++abi") {
visibility = [
"//buildtools/third_party/libc++",
"//build/config:executable_deps",
"//build/config:loadable_module_deps",
"//build/config:shared_library_deps",
]
deps = []
# Fuchsia builds don't link against any libraries that provide stack
# unwinding symbols, unlike Linux does with glibc. Build and link against
# libunwind manually to get this functionality.
# TODO(thomasanderson): Move this to exe_and_shlib_deps.
if (is_fuchsia) {
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_unexpected.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.
if (is_android) {
deps += [ ":cxa_demangle_stub" ]
} else {
sources += [ "trunk/src/cxa_demangle.cpp" ]
}
# This file should really be included on linux as well, but that
# would introduce an unwanted glibc 2.18 dependency.
if (is_fuchsia || (is_posix && !is_mac && !is_linux)) {
sources += [ "trunk/src/cxa_thread_atexit.cpp" ]
}
defines = [
"LIBCXXABI_SILENT_TERMINATE",
"_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS",
]
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",
]
if (export_libcxxabi_from_executables) {
configs -= [ "//build/config/gcc:symbol_visibility_hidden" ]
configs += [ "//build/config/gcc:symbol_visibility_default" ]
}
}
}
source_set("cxa_demangle_stub") {
# TODO(thomasanderson): This file is currently pulled in from //base on
# Android, but will no longer be needed once Android builds always set
# use_custom_libcxx=true. When this happens, this target can be removed,
# cxa_demangle_stub.cc can be added to the libc++abi target above, and
# __cxa_demangle can simply be annoted with _LIBCXXABI_FUNC_VIS.
if (use_custom_libcxx && is_component_build) {
defines = [ "EXPORT_CXA_DEMANGLE" ]
}
sources = [
"cxa_demangle_stub.cc",
]
}