From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Fri, 24 Nov 2017 20:24:40 +0000 (+0000)
Subject: Add comment on GnuTLS library debugging facility
X-Git-Tag: exim-4_90_RC3~8
X-Git-Url: https://git.exim.org/exim.git/commitdiff_plain/ef9da2ee969c27824fcd5aed6a59ac4cd217587b

Add comment on GnuTLS library debugging facility
---

diff --git a/src/src/tls-gnu.c b/src/src/tls-gnu.c
index 898e37cd6..527ad28b2 100644
--- a/src/src/tls-gnu.c
+++ b/src/src/tls-gnu.c
@@ -221,7 +221,8 @@ static BOOL gnutls_buggy_ocsp = FALSE;
 
 /* Set this to control gnutls_global_set_log_level(); values 0 to 9 will setup
 the library logging; a value less than 0 disables the calls to set up logging
-callbacks. */
+callbacks.  Possibly GNuTLS also looks for an environment variable
+"GNUTLS_DEBUG_LEVEL". */
 #ifndef EXIM_GNUTLS_LIBRARY_LOG_LEVEL
 # define EXIM_GNUTLS_LIBRARY_LOG_LEVEL -1
 #endif