From 50ae257a52065c222e0e57e19dad3eadb2333389 Mon Sep 17 00:00:00 2001
From: Alex Fabijanic <alex@sysdig.com>
Date: Sun, 13 Dec 2015 00:28:00 -0600
Subject: [PATCH] fix VS 2015 openssl static link

---
 Crypto/include/Poco/Crypto/Crypto.h             | 15 +++++++++++----
 Crypto/include/Poco/Crypto/OpenSSLInitializer.h |  6 ++++++
 Crypto/src/OpenSSLInitializer.cpp               |  9 +++++++++
 3 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/Crypto/include/Poco/Crypto/Crypto.h b/Crypto/include/Poco/Crypto/Crypto.h
index 1c62457d1..bcf0aa068 100644
--- a/Crypto/include/Poco/Crypto/Crypto.h
+++ b/Crypto/include/Poco/Crypto/Crypto.h
@@ -60,11 +60,18 @@ enum RSAPaddingMode
 // Crypto_API functions as being imported from a DLL, wheras this DLL sees symbols
 // defined with this macro as being exported.
 //
-#if defined(_WIN32) && defined(POCO_DLL)
-	#if defined(Crypto_EXPORTS)
-		#define Crypto_API __declspec(dllexport)
+#if defined(_WIN32)
+	#if defined(POCO_DLL)
+		#if defined(Crypto_EXPORTS)
+			#define Crypto_API __declspec(dllexport)
+		#else
+			#define Crypto_API __declspec(dllimport)
+		#endif
 	#else
-		#define Crypto_API __declspec(dllimport)
+		#if (POCO_MSVS_VERSION >= 2015) // needed for OpenSSL
+			#pragma comment(lib, "legacy_stdio_definitions.lib")
+			#pragma comment(lib, "legacy_stdio_wide_specifiers.lib")
+		#endif
 	#endif
 #endif
 
diff --git a/Crypto/include/Poco/Crypto/OpenSSLInitializer.h b/Crypto/include/Poco/Crypto/OpenSSLInitializer.h
index f647d3614..80ef41c91 100644
--- a/Crypto/include/Poco/Crypto/OpenSSLInitializer.h
+++ b/Crypto/include/Poco/Crypto/OpenSSLInitializer.h
@@ -122,4 +122,10 @@ inline void OpenSSLInitializer::disableSSLInitialization()
 } } // namespace Poco::Crypto
 
 
+// needed for OpenSSL static link
+#if defined(_WIN32) && !defined(POCO_DLL) && (POCO_MSVS_VERSION >= 2015)
+	extern "C" FILE * __cdecl __iob_func(void);
+#endif
+
+
 #endif // Crypto_OpenSSLInitializer_INCLUDED
diff --git a/Crypto/src/OpenSSLInitializer.cpp b/Crypto/src/OpenSSLInitializer.cpp
index d76ca2f23..6dfe517c3 100644
--- a/Crypto/src/OpenSSLInitializer.cpp
+++ b/Crypto/src/OpenSSLInitializer.cpp
@@ -184,3 +184,12 @@ void uninitializeCrypto()
 
 
 } } // namespace Poco::Crypto
+
+// needed for OpenSSL static link
+#if defined(_WIN32) && !defined(POCO_DLL) && (POCO_MSVS_VERSION >= 2015)
+	FILE * __cdecl __iob_func(void)
+	{
+		static FILE poco_iob[] = { stdin, stdout, stderr };
+		return poco_iob;
+	}
+#endif