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