From ea736d55f9596e79184b9b4ade439c71530e86d8 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 6 Apr 2016 05:13:29 +0000
Subject: configure.in: check lgamma_r(-0.0)

* configure.in (rb_cv_lgamma_r_m0): check if lgamma_r(-0.0)
  returns negative infinity.  [Bug #12249]
* math.c (ruby_lgamma_r): define by the configured result.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54499 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 math.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'math.c')

diff --git a/math.c b/math.c
index 8c16c76c3b..9ac898f0ba 100644
--- a/math.c
+++ b/math.c
@@ -750,7 +750,7 @@ ruby_tgamma(const double d)
 #define tgamma(d) ruby_tgamma(d)
 #endif
 
-#if defined __APPLE__
+#if defined LGAMMA_R_M0_FIX
 static inline double
 ruby_lgamma_r(const double d, int *sign)
 {
-- 
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