From 9a8b21446ea9edf55272d5e048d97f1c94640e9e Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 18 Mar 2016 19:06:32 +0000
Subject: * configure.in (rb_cv_member_struct_tm_tm_gmtoff): For Linux (glibc) 
  define _BSD_SOURCE for time.h to define struct tm.tm_gmtoff.

* time.c: define _BSD_SOURCE at the top.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54186 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.in | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index 2442e19d87..a96ed71344 100644
--- a/configure.in
+++ b/configure.in
@@ -2609,7 +2609,12 @@ if test "$use_setreuid" = yes; then
 fi
 AC_STRUCT_TIMEZONE
 AC_CACHE_CHECK(for struct tm.tm_gmtoff, rb_cv_member_struct_tm_tm_gmtoff,
-  [AC_TRY_COMPILE([@%:@include <time.h>],
+  [AC_TRY_COMPILE([
+   @%:@include <time.h>
+@%:@ifndef _BSD_SOURCE
+@%:@define _BSD_SOURCE 1
+@%:@endif
+   ],
     [struct tm t; t.tm_gmtoff = 3600;],
   [rb_cv_member_struct_tm_tm_gmtoff=yes],
   [rb_cv_member_struct_tm_tm_gmtoff=no])])
-- 
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