electron/patches/chromium/build_win_disable_zc_twophase.patch

36 lines
1.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: deepak1556 <hop2deep@gmail.com>
Date: Tue, 16 Jul 2019 14:38:52 -0700
Subject: build: Temporarily disable /Zc:twoPhase when libcxx is not used on
windows.
This is to workaround the bug in crbug.com/969698#c10
until fixes have landed in upstream.
diff --git a/build/config/win/BUILD.gn b/build/config/win/BUILD.gn
index a6c0aeaf98f7a860c131dc52161f52f308432a91..7b490d07d0f8383db5cea2703d7451db0108d252 100644
--- a/build/config/win/BUILD.gn
+++ b/build/config/win/BUILD.gn
@@ -2,6 +2,7 @@
# 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")
import("//build/config/chrome_build.gni")
import("//build/config/clang/clang.gni")
import("//build/config/compiler/compiler.gni")
@@ -67,9 +68,13 @@ config("compiler") {
"/FS", # Preserve previous PDB behavior.
"/bigobj", # Some of our files are bigger than the regular limits.
"/utf-8", # Assume UTF-8 by default to avoid code page dependencies.
- "/Zc:twoPhase",
]
+ if (use_custom_libcxx) {
+ # Work around crbug.com/969698#c6, bug in MSSTL <xxatomic>.
+ cflags += [ "/Zc:twoPhase" ]
+ }
+
# Force C/C++ mode for the given GN detected file type. This is necessary
# for precompiled headers where the same source file is compiled in both
# modes.