+have_gnutls="no"
+AC_CHECK_LIB(gnutls, gnutls_init, [
+ AC_CHECK_HEADERS(gnutls/gnutls.h, [
+ LIBS="$LIBS -lgnutls"
+ have_gnutls="yes"
+ ])
+])
+if test x"$have_gnutls" = xno; then
+ if test x$is_win32 = xyes ; then
+ openssl_deps="-lcrypto -lgdi32"
+ else
+ openssl_deps="-lcrypto"
+ fi
+ AC_CHECK_LIB([ssl],[SSL_library_init], [
+ LIBS="$LIBS -lssl $openssl_deps"
+ ], [], $openssl_deps)
+fi
+