From f9d0e594d43afcb4ab0043117249feb266ba4515 Mon Sep 17 00:00:00 2001
From: Romain Geissler <romain.geissler@amadeus.com>
Date: Tue, 10 Aug 2021 14:22:28 +0000
Subject: [PATCH] Fix -Wsign-compare warning with glibc 2.34 on Linux
 platforms.

In file included from /data/mwrep/res/osp/Boost/21-0-0-0/include/boost/thread/thread_only.hpp:17,
                 from /data/mwrep/res/osp/Boost/21-0-0-0/include/boost/thread/thread.hpp:12,
                 from src/GetTest.cpp:12:
/data/mwrep/res/osp/Boost/21-0-0-0/include/boost/thread/pthread/thread_data.hpp: In member function 'void boost::thread_attributes::set_stack_size(std::size_t)':
/data/mwrep/res/osp/Boost/21-0-0-0/include/boost/thread/pthread/thread_data.hpp:61:19: error: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'long int' [-Werror=sign-compare]
   61 |           if (size<PTHREAD_STACK_MIN) size=PTHREAD_STACK_MIN;
      |                   ^

Upstream-Status: Backport [1.78.0 https://github.com/boostorg/thread/commit/f9d0e594d43afcb4ab0043117249feb266ba4515]
---
 boost/thread/pthread/thread_data.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/boost/thread/pthread/thread_data.hpp b/boost/thread/pthread/thread_data.hpp
index bc9b1367..c43b276d 100644
--- a/boost/thread/pthread/thread_data.hpp
+++ b/boost/thread/pthread/thread_data.hpp
@@ -58,7 +58,7 @@ namespace boost
           std::size_t page_size = ::sysconf( _SC_PAGESIZE);
 #endif
 #ifdef PTHREAD_STACK_MIN
-          if (size<PTHREAD_STACK_MIN) size=PTHREAD_STACK_MIN;
+          if (size<static_cast<std::size_t>(PTHREAD_STACK_MIN)) size=PTHREAD_STACK_MIN;
 #endif
           size = ((size+page_size-1)/page_size)*page_size;
           int res = pthread_attr_setstacksize(&val_, size);