From c5e9034834ce0bcc6f6c611bc3ad3d244a32732f Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Wed, 19 Sep 2018 10:16:53 +0200
Subject: Fix Cygwin build and document needed packages

---
 kernel/yosys.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'kernel')

diff --git a/kernel/yosys.cc b/kernel/yosys.cc
index 264b1f63d..ad032899c 100644
--- a/kernel/yosys.cc
+++ b/kernel/yosys.cc
@@ -166,7 +166,7 @@ std::string vstringf(const char *fmt, va_list ap)
 	std::string string;
 	char *str = NULL;
 
-#ifdef _WIN32
+#if defined(_WIN32 )|| defined(__CYGWIN__) 
 	int sz = 64, rc;
 	while (1) {
 		va_list apc;
-- 
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