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

depends/x86_64-pc-linux-gnu/include/boost/signals2/detail/lwm_pthreads.hpp

@@ -0,0 +1,78 @@
+//
+//  boost/signals2/detail/lwm_pthreads.hpp
+//
+//  Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
+//  Copyright (c) 2008 Frank Mori Hess
+//
+// 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_SIGNALS2_LWM_PTHREADS_HPP
+#define BOOST_SIGNALS2_LWM_PTHREADS_HPP
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER)
+# pragma once
+#endif
+
+#include <boost/assert.hpp>
+#include <pthread.h>
+
+namespace boost
+{
+
+namespace signals2
+{
+
+class mutex
+{
+private:
+
+    pthread_mutex_t m_;
+
+    mutex(mutex const &);
+    mutex & operator=(mutex const &);
+
+public:
+
+    mutex()
+    {
+
+// HPUX 10.20 / DCE has a nonstandard pthread_mutex_init
+
+#if defined(__hpux) && defined(_DECTHREADS_)
+        BOOST_VERIFY(pthread_mutex_init(&m_, pthread_mutexattr_default) == 0);
+#else
+        BOOST_VERIFY(pthread_mutex_init(&m_, 0) == 0);
+#endif
+    }
+
+    ~mutex()
+    {
+        BOOST_VERIFY(pthread_mutex_destroy(&m_) == 0);
+    }
+
+    void lock()
+    {
+        BOOST_VERIFY(pthread_mutex_lock(&m_) == 0);
+    }
+
+    bool try_lock()
+    {
+        return pthread_mutex_trylock(&m_) == 0;
+    }
+
+    void unlock()
+    {
+        BOOST_VERIFY(pthread_mutex_unlock(&m_) == 0);
+    }
+};
+
+} // namespace signals2
+
+} // namespace boost
+
+#endif // #ifndef BOOST_SIGNALS2_LWM_PTHREADS_HPP