From ebc76f93985365d33c789c202b523e6b859e85b6 Mon Sep 17 00:00:00 2001
From: Sergey Poznyakoff <gray@gnu.org>
Date: Sat, 23 Dec 2017 22:51:42 +0200
Subject: Complement c175231e

* configure.ac: Check whether __thread qualifier is supported
* src/gdbmerrno.c (gdbm_errno_storage): Use GDBM_THREAD_LOCAL instead
of __thread.
---
 configure.ac | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 944fa7c..f172f8a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,7 +17,7 @@
 
 m4_define([_GDBM_VERSION_MAJOR], 1)
 m4_define([_GDBM_VERSION_MINOR], 13)
-dnl m4_define([_GDBM_VERSION_PATCH], 90)
+m4_define([_GDBM_VERSION_PATCH], 90)
 
 AC_INIT([gdbm],
         _GDBM_VERSION_MAJOR._GDBM_VERSION_MINOR[]m4_ifdef([_GDBM_VERSION_PATCH],._GDBM_VERSION_PATCH),
@@ -99,6 +99,14 @@ else
 	GDBM_COUNT_T="unsigned long"
 fi
 
+AC_MSG_CHECKING([for TLS qualifier])
+AC_TRY_COMPILE([],
+ [static __thread int x = 0;],
+ [gdbm_cv__thread=__thread],
+ [gdbm_cv__thread=])
+AC_MSG_RESULT($gdbm_cv__thread)
+AC_DEFINE_UNQUOTED([GDBM_THREAD_LOCAL],$gdbm_cv__thread,[TLS qualifier])
+
 dnl Internationalization macros.
 AM_GNU_GETTEXT([external], [need-ngettext])
 AM_GNU_GETTEXT_VERSION(0.18)
-- 
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