From 9c88df220a3fb871a9d3fecf7623e27c0fa35667 Mon Sep 17 00:00:00 2001
From: cooldome <cdome@bk.ru>
Date: Mon, 22 Oct 2018 11:49:57 +0100
Subject: [PATCH] Compile pragma. Recompile on external file compilation
 failure (#9455)

---
 compiler/extccomp.nim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/compiler/extccomp.nim b/compiler/extccomp.nim
index 69698ae092..f3f74ece82 100644
--- a/compiler/extccomp.nim
+++ b/compiler/extccomp.nim
@@ -627,7 +627,8 @@ proc externalFileChanged(conf: ConfigRef; cfile: Cfile): bool =
       close(f)
 
 proc addExternalFileToCompile*(conf: ConfigRef; c: var Cfile) =
-  if optForceFullMake notin conf.globalOptions and not externalFileChanged(conf, c):
+  if optForceFullMake notin conf.globalOptions and fileExists(c.obj) and
+      not externalFileChanged(conf, c):
     c.flags.incl CfileFlag.Cached
   conf.toCompile.add(c)