From 6aae246ef156ed7716b6df79365220afa6267fc0 Mon Sep 17 00:00:00 2001
From: Flaviu Tamas <tamasflaviu@gmail.com>
Date: Mon, 29 Jun 2015 16:52:47 -0400
Subject: [PATCH] Fix #3018

Looks like the problem is that the compiler expected the hash to be a certain
number of characters, but the file actually contained a (shorter) crc hash.
---
 compiler/extccomp.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/extccomp.nim b/compiler/extccomp.nim
index 2c6e5294f0..8d3260275b 100644
--- a/compiler/extccomp.nim
+++ b/compiler/extccomp.nim
@@ -585,7 +585,7 @@ proc externalFileChanged(filename: string): bool =
   if gCmd notin {cmdCompileToC, cmdCompileToCpp, cmdCompileToOC, cmdCompileToLLVM}:
     return false
 
-  var crcFile = toGeneratedFile(filename.withPackageName, "crc")
+  var crcFile = toGeneratedFile(filename.withPackageName, "sha1")
   var currentCrc = footprint(filename)
   var f: File
   if open(f, crcFile, fmRead):