From cec27290387fe2b1706131c4840123b1f8bfb34f Mon Sep 17 00:00:00 2001
From: Richard Levitte <levitte@openssl.org>
Date: Mon, 6 Dec 2021 21:06:06 +0100
Subject: [PATCH] Teach OpenSSL::ParseC about OPENSSL_EXPORT and OPENSSL_EXTERN

Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17215)

(cherry picked from commit 7a2ad00f3ecffa6be350e9e72992d4ec003f54ae)
---
 util/perl/OpenSSL/ParseC.pm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/util/perl/OpenSSL/ParseC.pm b/util/perl/OpenSSL/ParseC.pm
index ee127e88c80..e3cfe078276 100644
--- a/util/perl/OpenSSL/ParseC.pm
+++ b/util/perl/OpenSSL/ParseC.pm
@@ -610,6 +610,12 @@ EOF
       },
     },
 
+    # OpenSSL's declaration of externs with possible export linkage
+    # (really only relevant on Windows)
+    { regexp   => qr/OPENSSL_(?:EXPORT|EXTERN)/,
+      massager => sub { return ("extern"); }
+    },
+
     # Spurious stuff found in the OpenSSL headers
     # Usually, these are just macros that expand to, well, something
     { regexp   => qr/__NDK_FPABI__/,
-- 
2.47.3