61 строка
2.4 KiB
Plaintext
61 строка
2.4 KiB
Plaintext
# Copyright 2016 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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# This file should only be imported from files that define toolchains.
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# There's no way to enforce this exactly, but all toolchains are processed
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# in the context of the default_toolchain, so we can at least check for that.
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assert(current_toolchain == default_toolchain)
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import("//build/config/compiler/compiler.gni")
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import("//build/config/sanitizers/sanitizers.gni")
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import("//build/toolchain/toolchain.gni")
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declare_args() {
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# Limit the number of concurrent links; we often want to run fewer
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# links at once than we do compiles, because linking is memory-intensive.
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# The default to use varies by platform and by the amount of memory
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# available, so we call out to a script to get the right value.
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concurrent_links = -1
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}
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if (concurrent_links == -1) {
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if (use_thin_lto) {
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_args = [
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"--mem_per_link_gb=10",
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"--reserve_mem_gb=10",
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]
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} else if (use_sanitizer_coverage || use_fuzzing_engine) {
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# Sanitizer coverage instrumentation increases linker memory consumption
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# significantly.
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_args = [ "--mem_per_link_gb=16" ]
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} else if (is_win && symbol_level == 1 && !is_debug) {
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_args = [ "--mem_per_link_gb=3" ]
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} else if (is_win) {
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_args = [ "--mem_per_link_gb=5" ]
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} else if (is_mac) {
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_args = [ "--mem_per_link_gb=4" ]
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} else if (is_android && !is_component_build && symbol_level == 2) {
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# Full debug symbols require large memory for link.
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_args = [ "--mem_per_link_gb=25" ]
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} else if (is_android && !is_debug && !using_sanitizer && symbol_level < 2) {
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# Increase the number of concurrent links for release bots. Debug builds
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# make heavier use of ProGuard, and so should not be raised. Sanitizers also
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# increase the memory overhead.
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if (symbol_level == 1) {
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_args = [ "--mem_per_link_gb=6" ]
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} else {
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_args = [ "--mem_per_link_gb=4" ]
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}
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} else if (is_linux && !is_chromeos && symbol_level == 0) {
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# Memory consumption on link without debug symbols is low on linux.
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_args = [ "--mem_per_link_gb=3" ]
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} else {
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_args = []
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}
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# TODO(crbug.com/617429) Pass more build configuration info to the script
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# so that we can compute better values.
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concurrent_links = exec_script("get_concurrent_links.py", _args, "value")
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}
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