From 574cdfc1569ffeef7fa9e6f7c28339edff93cd87 Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Tue, 20 Nov 2018 23:54:58 +0100
Subject: IC: produce a good error message for when the compiler was built
 without the incremental recompilation feature

---
 compiler/commands.nim | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'compiler')

diff --git a/compiler/commands.nim b/compiler/commands.nim
index 14141696f..a26672a3c 100644
--- a/compiler/commands.nim
+++ b/compiler/commands.nim
@@ -643,6 +643,10 @@ proc processSwitch*(switch, arg: string, pass: TCmdLinePass, info: TLineInfo;
     expectNoArg(conf, switch, arg, pass, info)
     helpOnError(conf, pass)
   of "symbolfiles", "incremental":
+    when not defined(nimIncremental):
+      localError(conf, info, "the compiler was not built with " &
+        "incremental compilation features; bootstrap with " &
+        "-d:nimIncremental to enable")
     case arg.normalize
     of "on": conf.symbolFiles = v2Sf
     of "off": conf.symbolFiles = disabledSf
-- 
cgit 1.4.1-2-gfad0