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# Copyright 2025 The Chromium Authors
# 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")
# The atomic support library contains static data that must not be duplicated in
# a given program (or wherever atomic objects are shared between components).
# Therefore, for correctness, we build it as a shared object in the componenet
# build.
#
# See crbug.com/402171653 for context.
if (is_component_build) {
_target_type = "shared_library"
} else {
_target_type = "source_set"
}
target(_target_type, "atomic") {
sources = [
"src/lib/builtins/assembly.h",
"src/lib/builtins/atomic.c",
"src/lib/builtins/int_endianness.h",
]
if (_target_type == "shared_library") {
no_default_deps = true
if (is_win) {
sources += [ "atomics.def" ]
} else {
configs -= [ "//build/config/gcc:symbol_visibility_hidden" ]
configs += [ "//build/config/gcc:symbol_visibility_default" ]
}
if (is_android) {
configs -= [ "//build/config/android:hide_all_but_jni_onload" ]
}
}
configs += [ "//build/config/compiler:no_chromium_code" ]
configs -= [
"//build/config/compiler:chromium_code",
"//build/config/coverage:default_coverage",
]
}
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