KSSL: Add names for OpenSSL 3.x libraries to SSL libraries search.

Use OPENSSL_SHLIB_VERSION for default libraries version.

This relates to issue #176.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

tdeio/kssl/kopenssl.cpp

@@ -33,6 +33,8 @@
 #include <unistd.h>
 #include "kopenssl.h"
 
+#define STRINGIFY(x) #x
+
 #define GET_CRYPTOLIB_SYMBOL(a) ((_cryptoLib->hasSymbol(a)) ? _cryptoLib->symbol(a) : NULL)
 #define GET_SSLLIB_SYMBOL(a) ((_sslLib->hasSymbol(a)) ? _sslLib->symbol(a) : NULL)
 
@@ -345,8 +347,8 @@ TDEConfig *cfg;
 		 << "";
 #else
    libpaths
-            #ifdef _AIX
-            << "/opt/freeware/lib/"
+	    #ifdef _AIX
+	    << "/opt/freeware/lib/"
 	    #endif
 	    << "/usr/" SYSTEM_LIBDIR "/"
 	    << "/usr/ssl/" SYSTEM_LIBDIR "/"
@@ -355,41 +357,49 @@ TDEConfig *cfg;
 	    << "/usr/local/ssl/" SYSTEM_LIBDIR "/"
 	    << "/opt/openssl/" SYSTEM_LIBDIR "/"
 	    << "/" SYSTEM_LIBDIR "/"
-            << "";
+	    << "";
 
 // FIXME: #define here for the various OS types to optimize
    libnamess
 	     #ifdef hpux
-             << "libssl.sl"
-             #elif defined(_AIX)
-             << "libssl.a(libssl.so.0)"
+	     << "libssl.sl"
+	     #elif defined(_AIX)
+	     << "libssl.a(libssl.so.0)"
 	     #elif defined(__APPLE__)
 	     << "libssl.dylib"
 	     << "libssl.0.9.dylib"
-             #else
-             #ifdef SHLIB_VERSION_NUMBER
-             << "libssl.so." SHLIB_VERSION_NUMBER
-             #endif
-             << "libssl.so"
-	     << "libssl.so.0"
-             #endif
+	     #else
+	       #ifdef OPENSSL_SHLIB_VERSION
+	       << "libssl.so." STRINGIFY(OPENSSL_SHLIB_VERSION)
+	       #endif
+	       #ifdef SHLIB_VERSION_NUMBER
+	       << "libssl.so." SHLIB_VERSION_NUMBER
+	       #endif
+	       << "libssl.so"
+	       << "libssl.so.3"
+	       << "libssl.so.0"
+	     #endif
 	     ;
 
    libnamesc
-             #ifdef hpux
-             << "libcrypto.sl"
-             #elif defined(_AIX)
-             << "libcrypto.a(libcrypto.so.0)"
+	     #ifdef hpux
+	     << "libcrypto.sl"
+	     #elif defined(_AIX)
+	     << "libcrypto.a(libcrypto.so.0)"
 	     #elif defined(__APPLE__)
 	     << "libcrypto.dylib"
 	     << "libcrypto.0.9.dylib"
 	     #else
-             #ifdef SHLIB_VERSION_NUMBER
-             << "libcrypto.so." SHLIB_VERSION_NUMBER
-             #endif
-             << "libcrypto.so"
-	     << "libcrypto.so.0"
-             #endif
+	       #ifdef OPENSSL_SHLIB_VERSION
+	       << "libcrypto.so." STRINGIFY(OPENSSL_SHLIB_VERSION)
+	       #endif
+	       #ifdef SHLIB_VERSION_NUMBER
+	       << "libcrypto.so." SHLIB_VERSION_NUMBER
+	       #endif
+	       << "libcrypto.so"
+	       << "libcrypto.so.3"
+	       << "libcrypto.so.0"
+	     #endif
 	     ;
 #endif