CMake: set LIBVNCSERVER_HAVE_LIBSSL in rfbconfig.h if OpenSSL found

CMakeLists.txt

@@ -225,6 +225,9 @@ if(WITH_GCRYPT AND LIBGCRYPT_LIBRARIES)
   set(ADDITIONAL_LIBS ${ADDITIONAL_LIBS} ${LIBGCRYPT_LIBRARIES})
 endif(WITH_GCRYPT AND LIBGCRYPT_LIBRARIES)
 
+if(OPENSSL_FOUND)
+  set(LIBVNCSERVER_HAVE_LIBSSL 1)
+endif(OPENSSL_FOUND)
 
 if(WITH_IPv6)
   if(WIN32 AND LIBVNCSERVER_HAVE_WS2TCPIP_H AND LIBVNCSERVER_HAVE_VPRINTF)

rfb/rfbconfig.h.cmake

@@ -100,6 +100,9 @@
 /* Define to 1 if GnuTLS is present */
 #cmakedefine LIBVNCSERVER_WITH_CLIENT_TLS 1
 
+/* Define to 1 if OpenSSL is present */
+#cmakedefine LIBVNCSERVER_HAVE_LIBSSL 1
+
 /* Define to 1 to build with websockets */
 #cmakedefine LIBVNCSERVER_WITH_WEBSOCKETS 1