From bf5c309b5eec0511a58825b7a59d2835bf00a3d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Zasso?= <targos@protonmail.com>
Date: Fri, 5 May 2017 14:50:44 +0200
Subject: [PATCH] build: fix V8 build on FreeBSD

Use the -D_LIBCPP_TRIVIAL_PAIR_COPY_CTOR=1 flag because on FreeBSD
std::pairs copy constructor is non-trivial.

Refs: https://lists.freebsd.org/pipermail/freebsd-toolchain/2016-March/002094.html
Refs: https://github.com/gliaskos/freebsd-chromium/blob/master/www/chromium/Makefile#L202-L205

PR-URL: https://github.com/nodejs/node/pull/12784
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
---
 common.gypi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/common.gypi b/common.gypi
index 2c061a7b0583e0..a97e12ae38c7f1 100644
--- a/common.gypi
+++ b/common.gypi
@@ -410,6 +410,9 @@
         'libraries': [ '-lelf' ],
       }],
       ['OS=="freebsd"', {
+        # Use this flag because on FreeBSD std::pairs copy constructor is non-trivial
+        # https://lists.freebsd.org/pipermail/freebsd-toolchain/2016-March/002094.html
+        'cflags': [ '-D_LIBCPP_TRIVIAL_PAIR_COPY_CTOR=1' ],
         'ldflags': [
           '-Wl,--export-dynamic',
         ],