X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/ba86e143c7aeb0d70ea4c9d73a617a98f06f6baa..8f07c250406da2612e1546e153b4a61a51262692:/src/src/tls-gnu.c

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