[PATCH] SSL: guard use of SSLEAY_VERSION_NUMBER

[Piotr Sikora]

# HG changeset patch
# User Piotr Sikora <piotr at cloudflare.com>
# Date 1434623802 25200
#      Thu Jun 18 03:36:42 2015 -0700
# Node ID 4e0b02f89144cd774e213458c1d8f71b59ace1f9
# Parent  c3ec43580a48114dfd28186f43e773fcfe211337
SSL: guard use of SSLEAY_VERSION_NUMBER.

It has been removed from BoringSSL, which isn't versioned anyway.

OPENSSL_VERSION_TEXT can be used to print "built with BoringSSL".

Signed-off-by: Piotr Sikora <piotr at cloudflare.com>

diff -r c3ec43580a48 -r 4e0b02f89144 src/core/nginx.c
--- a/src/core/nginx.c	Wed Jun 17 17:57:34 2015 +0300
+++ b/src/core/nginx.c	Thu Jun 18 03:36:42 2015 -0700
@@ -233,16 +233,22 @@ main(int argc, char *const *argv)
 #endif
 
 #if (NGX_SSL)
-            if (SSLeay() == SSLEAY_VERSION_NUMBER) {
-                ngx_write_stderr("built with " OPENSSL_VERSION_TEXT
-                                 NGX_LINEFEED);
-            } else {
+
+#ifdef SSLEAY_VERSION_NUMBER
+            if (SSLeay() != SSLEAY_VERSION_NUMBER) {
                 ngx_write_stderr("built with " OPENSSL_VERSION_TEXT
                                  " (running with ");
                 ngx_write_stderr((char *) (uintptr_t)
                                  SSLeay_version(SSLEAY_VERSION));
                 ngx_write_stderr(")" NGX_LINEFEED);
+
+            } else
+#endif
+            {
+                ngx_write_stderr("built with " OPENSSL_VERSION_TEXT
+                                 NGX_LINEFEED);
             }
+
 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
             ngx_write_stderr("TLS SNI support enabled" NGX_LINEFEED);
 #else