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# Copyright (C) 2017 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import("libc++.gni")
config("config") {
if (use_custom_libcxx) {
defines = [
"_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS",
"_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS",
]
if (is_debug) {
# libc++ has two levels of debug mode. Setting _LIBCPP_DEBUG to zero
# enables most assertions. Setting it to one additionally enables iterator
# debugging, but that seems to require some extra link-time dependencies.
# See https://libcxx.llvm.org/docs/DesignDocs/DebugMode.html
defines += [ "_LIBCPP_DEBUG=0" ]
}
cflags_cc = [
"-nostdinc++",
"-isystem" + rebase_path("$libcxx_prefix/include", root_build_dir),
"-isystem" + rebase_path("$libcxxabi_prefix/include", root_build_dir),
]
# Avoid linking both libc++ and libstdc++.
ldflags = [ "-nostdlib++" ]
libs = [ "dl" ] # libdl: dynamic linking.
}
}
group("deps") {
if (use_custom_libcxx) {
public_deps = [ "//buildtools:libc++" ]
}
}
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