1Taken from https://github.com/conan-io/conan-center-index/pull/361/files
2
3diff --git a/include/boost/thread/pthread/thread_data.hpp b/include/boost/thread/pthread/thread_data.hpp
4index aefbeb4..bc9b136 100644
5--- a/boost/thread/pthread/thread_data.hpp
6+++ b/boost/thread/pthread/thread_data.hpp
7@@ -57,7 +57,7 @@ namespace boost
8 #else
9 std::size_t page_size = ::sysconf( _SC_PAGESIZE);
10 #endif
11-#if PTHREAD_STACK_MIN > 0
12+#ifdef PTHREAD_STACK_MIN
13 if (size<PTHREAD_STACK_MIN) size=PTHREAD_STACK_MIN;
14 #endif
15 size = ((size+page_size-1)/page_size)*page_size;