52 строки
1.6 KiB
Plaintext
52 строки
1.6 KiB
Plaintext
# Copyright 2014 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import("//build/toolchain/toolchain.gni")
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# This config causes functions not to be automatically exported from shared
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# libraries. By default, all symbols are exported but this means there are
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# lots of exports that slow everything down. In general we explicitly mark
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# which functiosn we want to export from components.
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#
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# Some third_party code assumes all functions are exported so this is separated
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# into its own config so such libraries can remove this config to make symbols
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# public again.
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#
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# See http://gcc.gnu.org/wiki/Visibility
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config("symbol_visibility_hidden") {
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# Note that -fvisibility-inlines-hidden is set globally in the compiler
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# config since that can almost always be applied.
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cflags = [ "-fvisibility=hidden" ]
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}
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# Settings for executables and shared libraries.
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config("executable_ldconfig") {
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if (is_android) {
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ldflags = [
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"-Bdynamic",
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"-Wl,-z,nocopyreloc",
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]
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} else {
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# Note: Android doesn't support rpath.
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rpath_link = ""
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if (shlib_subdir != ".") {
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rpath_link = "${shlib_subdir}/"
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}
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ldflags = [
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# Want to pass "\$". GN will re-escape as required for ninja.
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"-Wl,-rpath=\$ORIGIN/${rpath_link}",
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"-Wl,-rpath-link=${rpath_link}",
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# Newer binutils don't set DT_RPATH unless you disable "new" dtags
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# and the new DT_RUNPATH doesn't work without --no-as-needed flag.
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"-Wl,--disable-new-dtags",
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]
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}
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}
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config("no_exceptions") {
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cflags_cc = [ "-fno-exceptions" ]
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cflags_objcc = cflags_cc
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}
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