From 36527eccbb793ef15f828ffa4261d9a862144f07 Mon Sep 17 00:00:00 2001
From: Bob Weinand <bobwei9@hotmail.com>
Date: Sat, 29 Oct 2016 18:49:38 +0200
Subject: [PATCH] Fixed build failure introduced by PR #2158

Note: AC_TRY_LINK interprets the source as part of a main function, ending up with int main() { /* ... */ int main() { /* ... */ } ; return 0; } here - Using AC_LINK_IFELSE with AC_LANG_SOURCE directly instead.
---
 TSRM/threads.m4 | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/TSRM/threads.m4 b/TSRM/threads.m4
index 7ef920231ca..57b46f251a8 100644
--- a/TSRM/threads.m4
+++ b/TSRM/threads.m4
@@ -66,10 +66,9 @@ dnl
 dnl Check whether the current setup can use POSIX threads calls
 dnl
 AC_DEFUN([PTHREADS_CHECK_COMPILE], [
-AC_TRY_LINK( [
+AC_LINK_IFELSE([ AC_LANG_SOURCE([
 #include <pthread.h>
 #include <stddef.h>
-  ], [
 
 void *thread_routine(void *data) {
     return data;
@@ -81,7 +80,7 @@ int main() {
     int data = 1;
     pthread_mutexattr_init(&mattr);
     return pthread_create(&thd, NULL, thread_routine, &data);
-} ], [
+} ]) ], [
   pthreads_checked=yes
   ], [
   pthreads_checked=no