From 128170f5c6d26fea3c46ecb1f523e12a5a8093e1 Mon Sep 17 00:00:00 2001
From: Thang Tran <trankimthang279@gmail.com>
Date: Wed, 6 Feb 2019 02:58:43 +0100
Subject: build: fixed clang's warning when building openssl

clang doesn't seem to support 'Wno-old-style-declaration', this
is a work-around.

Fixes: https://github.com/nodejs/node/issues/25550
Refs: https://github.com/nodejs/node-v0.x-archive/issues/4186

PR-URL: https://github.com/nodejs/node/pull/25954
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 deps/openssl/openssl_common.gypi | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/deps/openssl/openssl_common.gypi b/deps/openssl/openssl_common.gypi
index 75002e87c2..c4b95c20ae 100644
--- a/deps/openssl/openssl_common.gypi
+++ b/deps/openssl/openssl_common.gypi
@@ -57,14 +57,17 @@
       ],
     }, {
       # linux and others
-      'cflags': ['-Wno-missing-field-initializers',
-                 ## TODO: check gcc_version>=4.3
-                 '-Wno-old-style-declaration'],
+      'cflags': ['-Wno-missing-field-initializers',],
       'defines': [
         'OPENSSLDIR="/etc/ssl"',
         'ENGINESDIR="/dev/null"',
         'TERMIOS',
       ],
+      'conditions': [
+        [ 'llvm_version==0', {
+          'cflags': ['-Wno-old-style-declaration',],
+        }],
+      ],
     }],
   ]
 }
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