From 74fb0a26099bc51d717f5f154b37231ce7df3e98 Mon Sep 17 00:00:00 2001
From: Rob Boehne <robb@datalogics.com>
Date: Wed, 20 Nov 2019 11:25:20 -0600
Subject: [PATCH] Revert change to elide a warning that caused Solaris builds
 to fail.

---
 include/boost/thread/pthread/thread_data.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/thread/pthread/thread_data.hpp b/include/boost/thread/pthread/thread_data.hpp
index aefbeb43c..bc9b1367a 100644
--- a/include/boost/thread/pthread/thread_data.hpp
+++ b/include/boost/thread/pthread/thread_data.hpp
@@ -57,7 +57,7 @@ namespace boost
 #else
           std::size_t page_size = ::sysconf( _SC_PAGESIZE);
 #endif
-#if PTHREAD_STACK_MIN > 0
+#ifdef PTHREAD_STACK_MIN
           if (size<PTHREAD_STACK_MIN) size=PTHREAD_STACK_MIN;
 #endif
           size = ((size+page_size-1)/page_size)*page_size;