From 527e20fd3a0f2cc13afcfb0d402b77087c94c3ee Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Mon, 16 Oct 2017 19:52:22 +0200
Subject: [PATCH] fixes the Windows build

---
 lib/system/sysio.nim | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/lib/system/sysio.nim b/lib/system/sysio.nim
index c0da983f1c..a40fcc67d4 100644
--- a/lib/system/sysio.nim
+++ b/lib/system/sysio.nim
@@ -406,14 +406,16 @@ proc setStdIoUnbuffered() =
 
 when declared(stdout):
   proc echoBinSafe(args: openArray[string]) {.compilerProc.} =
-    proc flockfile(f: File) {.importc, noDecl.}
-    proc funlockfile(f: File) {.importc, noDecl.}
-    flockfile(stdout)
+    when not defined(windows):
+      proc flockfile(f: File) {.importc, noDecl.}
+      proc funlockfile(f: File) {.importc, noDecl.}
+      flockfile(stdout)
     for s in args:
       discard c_fwrite(s.cstring, s.len, 1, stdout)
     const linefeed = "\n" # can be 1 or more chars
     discard c_fwrite(linefeed.cstring, linefeed.len, 1, stdout)
     discard c_fflush(stdout)
-    funlockfile(stdout)
+    when not defined(windows):
+      funlockfile(stdout)
 
 {.pop.}