From 3bb86ae462ab411471f6f24d2cc967e0e9acdc84 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 7 Oct 2013 13:45:31 +0000
Subject: cont.c: split conditions

* cont.c (FIBER_USE_NATIVE): split long conditions.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43181 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 cont.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'cont.c')

diff --git a/cont.c b/cont.c
index 75fa3d5418..d09b21bb31 100644
--- a/cont.c
+++ b/cont.c
@@ -15,6 +15,20 @@
 #include "gc.h"
 #include "eval_intern.h"
 
+#if !defined(FIBER_USE_NATIVE)
+# if defined(HAVE_GETCONTEXT) && defined(HAVE_SETCONTEXT)
+#   if defined(__NetBSD__)
+#   elif defined(__sun)
+#   elif defined(__ia64)
+#   else
+#     define FIBER_USE_NATIVE 1
+#   endif
+# elif defined(_WIN32)
+#   if _WIN32_WINNT >= 0x0400
+#     define FIBER_USE_NATIVE 1
+#   endif
+# endif
+
 /* FIBER_USE_NATIVE enables Fiber performance improvement using system
  * dependent method such as make/setcontext on POSIX system or
  * CreateFiber() API on Windows.
@@ -31,6 +45,7 @@
  * are represented by stack pointer (higher bits of stack pointer).
  * TODO: check such constraint on configure.
  */
+#endif
 #if !defined(FIBER_USE_NATIVE)
 #define FIBER_USE_NATIVE 0
 #endif
-- 
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