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

depends/x86_64-pc-linux-gnu/include/boost/compute/svm.hpp

@@ -0,0 +1,72 @@
+//---------------------------------------------------------------------------//
+// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
+//
+// 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
+//
+// See http://boostorg.github.com/compute for more information.
+//---------------------------------------------------------------------------//
+
+#ifndef BOOST_COMPUTE_SVM_HPP
+#define BOOST_COMPUTE_SVM_HPP
+
+#include <boost/compute/config.hpp>
+#include <boost/compute/context.hpp>
+#include <boost/compute/memory/svm_ptr.hpp>
+
+// svm functions require OpenCL 2.0
+#if defined(CL_VERSION_2_0) || defined(BOOST_COMPUTE_DOXYGEN_INVOKED)
+
+namespace boost {
+namespace compute {
+
+/// Allocates a shared virtual memory (SVM) buffer.
+//
+/// \opencl_version_warning{2,0}
+///
+/// \see_opencl2_ref{clSVMAlloc}
+///
+/// \see svm_free()
+template<class T>
+inline svm_ptr<T> svm_alloc(const context &context,
+                            size_t size,
+                            cl_svm_mem_flags flags = CL_MEM_READ_WRITE,
+                            unsigned int alignment = 0)
+{
+    svm_ptr<T> ptr(
+        clSVMAlloc(context.get(), flags, size * sizeof(T), alignment),
+        context
+    );
+    if(!ptr.get()){
+        BOOST_THROW_EXCEPTION(opencl_error(CL_MEM_OBJECT_ALLOCATION_FAILURE));
+    }
+    return ptr;
+}
+
+/// Deallocates a shared virtual memory (SVM) buffer.
+///
+/// \opencl_version_warning{2,0}
+///
+/// \see_opencl2_ref{clSVMFree}
+///
+/// \see svm_alloc(), command_queue::enqueue_svm_free()
+template<class T>
+inline void svm_free(svm_ptr<T> ptr)
+{
+    clSVMFree(ptr.get_context(), ptr.get());
+}
+
+/// \overload
+template<class T>
+inline void svm_free(const context &context, svm_ptr<T> ptr)
+{
+    clSVMFree(context.get(), ptr.get());
+}
+
+} // end compute namespace
+} // end boost namespace
+
+#endif // CL_VERSION_2_0
+
+#endif // BOOST_COMPUTE_PIPE_HPP