Fix nim-lang#13633

Clyybber · Mar 12, 2020 · 10bd758 · 10bd758
1 parent 6b3098c
commit 10bd758
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/compiler/extccomp.nim b/compiler/extccomp.nim
@@ -998,7 +998,8 @@ proc writeJsonBuildInstructions*(conf: ConfigRef) =
       f.write escapeJson(x)
 
   proc cfiles(conf: ConfigRef; f: File; buf: var string; clist: CfileList, isExternal: bool) =
-    for i, it in clist:
+    var i = 0
+    for it in clist:
       if CfileFlag.Cached in it.flags: continue
       let compileCmd = getCompileCFileCmd(conf, it)
       if i > 0: lit ",\L"
@@ -1007,6 +1008,7 @@ proc writeJsonBuildInstructions*(conf: ConfigRef) =
       lit ", "
       str compileCmd
       lit "]"
+      inc i
 
   proc linkfiles(conf: ConfigRef; f: File; buf, objfiles: var string; clist: CfileList;
                  llist: seq[string]) =