From 5bad022d58e21f0da455fbd7d421cd26a2b5c812 Mon Sep 17 00:00:00 2001
From: flywind <xzsflywind@gmail.com>
Date: Mon, 7 Jun 2021 21:32:37 +0800
Subject: [PATCH] alternative to #18185 (#18206)

---
 lib/core/rlocks.nim | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/core/rlocks.nim b/lib/core/rlocks.nim
index 5f155262ab..a1ee0a6ecf 100644
--- a/lib/core/rlocks.nim
+++ b/lib/core/rlocks.nim
@@ -11,7 +11,10 @@
 
 
 when not compileOption("threads") and not defined(nimdoc):
-  {.error: "Rlocks requires --threads:on option.".}
+  when false:
+    # make rlocks modlue consistent with locks module,
+    # so they can replace each other seamlessly.
+    {.error: "Rlocks requires --threads:on option.".}
 
 const insideRLocksModule = true
 include "system/syslocks"