From 75b644350a80bc31449b7cee741d309643dc27e1 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 5 Dec 2019 17:57:05 +0900
Subject: ext/psych/extconf.rb: braced VPATH is for nmake only

---
 ext/psych/extconf.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ext')

diff --git a/ext/psych/extconf.rb b/ext/psych/extconf.rb
index fec541b453..857f8e68c4 100644
--- a/ext/psych/extconf.rb
+++ b/ext/psych/extconf.rb
@@ -16,9 +16,9 @@ if enable_config("bundled-libyaml", false) || !(find_header('yaml.h') && find_li
   $srcs = Dir.glob("#{$srcdir}/{,yaml/}*.c").map {|n| File.basename(n)}.sort
 
   header = 'yaml/yaml.h'
+  header = "{$(VPATH)}#{header}" if $nmake
   if have_macro("_WIN32")
     $CPPFLAGS << " -DYAML_DECLARE_STATIC -DHAVE_CONFIG_H"
-    header = "{$(VPATH)}#{header}"
   end
 
   have_header 'dlfcn.h'
-- 
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