BUILD: ssl: guard SSL_CTX_add_server_custom_ext with special macro
special guard macros HAVE_SSL_CTX_ADD_SERVER_CUSTOM_EXT was defined earlier
exactly for guarding SSL_CTX_add_server_custom_ext, let us use it wherever
appropriate
diff --git a/src/ssl_sock.c b/src/ssl_sock.c
index f2c8a66..3105785 100644
--- a/src/ssl_sock.c
+++ b/src/ssl_sock.c
@@ -6922,7 +6922,7 @@
INITCALL1(STG_REGISTER, http_req_keywords_register, &http_req_actions);
-#if (HA_OPENSSL_VERSION_NUMBER >= 0x1000200fL && !defined OPENSSL_NO_TLSEXT && !defined OPENSSL_IS_BORINGSSL)
+#ifdef HAVE_SSL_CTX_ADD_SERVER_CUSTOM_EXT
static void ssl_sock_sctl_free_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad, int idx, long argl, void *argp)
{
@@ -7020,7 +7020,7 @@
#if defined(USE_THREAD) && (HA_OPENSSL_VERSION_NUMBER < 0x10100000L)
ssl_locking_init();
#endif
-#if (HA_OPENSSL_VERSION_NUMBER >= 0x1000200fL && !defined OPENSSL_NO_TLSEXT && !defined OPENSSL_IS_BORINGSSL)
+#ifdef HAVE_SSL_CTX_ADD_SERVER_CUSTOM_EXT
sctl_ex_index = SSL_CTX_get_ex_new_index(0, NULL, NULL, NULL, ssl_sock_sctl_free_func);
#endif