stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork

2026-02-24 18:38:47 +00:00
parent da8c28aaeb
commit 65cb2619a7
13106 changed files with 2484322 additions and 1804 deletions
@@ -0,0 +1,29 @@
+//  Copyright (C) 2009, 2016 Tim Blechmann
+//
+//  Distributed under the Boost Software License, Version 1.0. (See
+//  accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_LOCKFREE_PREFIX_HPP_INCLUDED
+#define BOOST_LOCKFREE_PREFIX_HPP_INCLUDED
+
+/* this file defines the following macros:
+   BOOST_LOCKFREE_CACHELINE_BYTES: size of a cache line
+   BOOST_LOCKFREE_PTR_COMPRESSION: use tag/pointer compression to utilize parts
+                                   of the virtual address space as tag (at least 16bit)
+*/
+
+// PowerPC caches support 128-byte cache lines.
+#if defined(powerpc) || defined(__powerpc__) || defined(__ppc__)
+    #define BOOST_LOCKFREE_CACHELINE_BYTES 128
+#else
+    #define BOOST_LOCKFREE_CACHELINE_BYTES 64
+#endif
+
+#include <boost/predef.h>
+
+#ifdef BOOST_ARCH_X86_64
+#define BOOST_LOCKFREE_PTR_COMPRESSION 1
+#endif
+
+#endif /* BOOST_LOCKFREE_PREFIX_HPP_INCLUDED */