Require C99 compiler for wolfSSL

2 files changed, 8 insertions, 7 deletions

diff --git a/INSTALL b/INSTALL
index 298d1694..937e9560 100644
--- a/INSTALL
+++ b/INSTALL
@@ -29,7 +29,8 @@ This affects, f.i., LibreSSL.
 
 Since 6.4.25, there is experimental support for wolfSSL 5.0.0 or newer,
 which is under GNU GPL v2 or later license and hence may be easier for
-a consistent GPLv2+ licensing of fetchmail.
+a consistent GPLv2+ licensing of fetchmail.  This support requires a C99
+or newer compiler.
 
 Choose between OpenSSL or wolfSSL.
 
diff --git a/README b/README
index a0e028f0..616327f8 100644
--- a/README
+++ b/README
@@ -20,12 +20,12 @@ Fetchmail also fully supports authentication via GSSAPI, Kerberos 4 and 5,
 RFC1938 one-time passwords, Compuserve's POP3 with RPA, Microsoft's NTLM, Demon 
 Internet's SDPS, or CRAM-MD5 authentication a la RFC2195.
 
-Fetchmail supports end-to-end encryption with OpenSSL or wolfSSL, do read
-README.SSL for details on fetchmail's configuration and README.SSL-SERVER for
-server-side requirements.  NOTE! To be compatible with earlier releases,
-fetchmail 6.4 default behaviour is more relaxed than dictated by
-recommendations - while it does away with SSLv2, only negotiates SSLv3 if
-forced to, it will by default still negotiate TLS v1.0.
+Fetchmail supports end-to-end encryption with OpenSSL or wolfSSL (only on C99 
+or newer compilers), do read README.SSL for details on fetchmail's 
+configuration and README.SSL-SERVER for server-side requirements.  NOTE! To be 
+compatible with earlier releases, fetchmail 6.4 default behaviour is more 
+relaxed than dictated by recommendations - while it does away with SSLv2, only 
+negotiates SSLv3 if forced to, it will by default still negotiate TLS v1.0.
 
 Portability
 -----------