configure: print usage string for --with-ssl.

[wget] / configure.ac

diff --git a/configure.ac b/configure.ac
index 9b139d0c73c2469150e0d396b9d5b9e1518eb1d7..d47303a5c6ebecd3c4f6b69582d1d3220cedc848 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -62,7 +62,8 @@ dnl Process features.
 dnl
 
 AC_ARG_WITH(ssl,
-[[  --without-ssl           disable SSL autodetection]])
+[[  --without-ssl           disable SSL autodetection
+  --with-ssl={gnutls,openssl} specify the SSL backend.  GNU TLS is the default.]])
 
 AC_ARG_ENABLE(opie,
 [  --disable-opie          disable support for opie or s/key FTP login],