@@ -42,10 +42,23 @@
 	tcltls_ssl_lib="$withval"
 ], [
 	tcltls_ssl_lib='auto'
 ])
 
+dnl Enable support for building the same library every time
+tcltls_deterministic='false'
+AC_ARG_ENABLE([deterministic], AS_HELP_STRING([--enable-deterministic], [enable deterministic parameters]), [
+	if test "$enableval" = "yes"; then
+		tcltls_deterministic='true'
+	fi
+])
+if test "$tcltls_deterministic" = 'true'; then
+	GEN_DH_PARAMS_ARGS='fallback'
+else
+	GEN_DH_PARAMS_ARGS=''
+fi
+AC_SUBST(GEN_DH_PARAMS_ARGS)
 
 AC_CHECK_TOOL([PKGCONFIG], [pkg-config], [false])
 
 dnl XXX:TODO: Automatically determine the SSL library to use
 dnl           defaulting to OpenSSL for compatibility reasons