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

depends/x86_64-pc-linux-gnu/include/boost/local_function/config.hpp

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+
+// Copyright (C) 2009-2012 Lorenzo Caminiti
+// Distributed under the Boost Software License, Version 1.0
+// (see accompanying file LICENSE_1_0.txt or a copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+// Home at http://www.boost.org/libs/local_function
+
+#ifndef BOOST_LOCAL_FUNCTION_CONFIG_HPP_
+#define BOOST_LOCAL_FUNCTION_CONFIG_HPP_
+
+#ifndef DOXYGEN
+
+#include <boost/config.hpp>
+
+#ifndef BOOST_LOCAL_FUNCTION_CONFIG_FUNCTION_ARITY_MAX
+#   define BOOST_LOCAL_FUNCTION_CONFIG_FUNCTION_ARITY_MAX 5
+#endif
+
+#ifndef BOOST_LOCAL_FUNCTION_CONFIG_BIND_MAX
+#   define BOOST_LOCAL_FUNCTION_CONFIG_BIND_MAX 10
+#endif
+
+#ifndef BOOST_LOCAL_FUNCTION_CONFIG_LOCALS_AS_TPARAMS
+#   ifdef BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
+#       define BOOST_LOCAL_FUNCTION_CONFIG_LOCALS_AS_TPARAMS 0
+#   else
+#       define BOOST_LOCAL_FUNCTION_CONFIG_LOCALS_AS_TPARAMS 1
+#   endif
+#elif BOOST_LOCAL_FUNCTION_CONFIG_LOCALS_AS_TPARAMS // If true, force it to 1.
+#   undef BOOST_LOCAL_FUNCTION_CONFIG_LOCALS_AS_TPARAMS
+#   define BOOST_LOCAL_FUNCTION_CONFIG_LOCALS_AS_TPARAMS 1
+#endif
+
+#else // DOXYGEN
+
+/** @file
+@brief Configuration macros allow to change the behaviour of this library at
+compile-time.
+*/
+
+/**
+@brief Maximum number of parameters supported by local functions.
+
+If programmers leave this configuration macro undefined, its default
+value is <c>5</c> (increasing this number might increase compilation time).
+When defined by programmers, this macro must be a non-negative integer number.
+
+@Note This macro specifies the maximum number of local function parameters
+excluding bound variables (which are instead specified by
+@RefMacro{BOOST_LOCAL_FUNCTION_CONFIG_BIND_MAX}).
+
+@See @RefSect{tutorial, Tutorial} section,
+@RefSect{getting_started, Getting Started} section,
+@RefMacro{BOOST_LOCAL_FUNCTION_CONFIG_BIND_MAX}.
+*/
+#define BOOST_LOCAL_FUNCTION_CONFIG_ARITY_MAX
+
+/**
+@brief Maximum number of bound variables supported by local functions.
+
+If programmers leave this configuration macro undefined, its default
+value is <c>10</c> (increasing this number might increase compilation time).
+When defined by programmers, this macro must be a non-negative integer number.
+
+@Note This macro specifies the maximum number of bound variables excluding
+local function parameters (which are instead specified by
+@RefMacro{BOOST_LOCAL_FUNCTION_CONFIG_ARITY_MAX}).
+
+@See @RefSect{tutorial, Tutorial} section,
+@RefSect{getting_started, Getting Started} section,
+@RefMacro{BOOST_LOCAL_FUNCTION_CONFIG_ARITY_MAX}.
+*/
+#define BOOST_LOCAL_FUNCTION_CONFIG_BIND_MAX
+
+/**
+@brief Specify when local functions can be passed as template parameters
+without introducing any run-time overhead.
+
+If this macro is defined to <c>1</c>, this library will assume that the
+compiler allows to pass local classes as template parameters:
+@code
+    template<typename T> void f(void) {}
+
+    int main(void) {
+        struct local_class {};
+        f<local_class>();
+        return 0;
+    }
+@endcode
+This is the case for C++11 compilers and some C++03 compilers (e.g., MSVC), but
+it is not the case in general for most C++03 compilers (including GCC).
+This will allow the library to pass local functions as template parameters
+without introducing any run-time overhead (specifically without preventing the
+compiler from optimizing local function calls by inlining their assembly code).
+
+If this macro is defined to <c>0</c> instead, this library will introduce
+a run-time overhead associated to resolving a function pointer call in order to
+still allow to pass the local functions as template parameters.
+
+It is recommended to leave this macro undefined.
+In this case, the library will automatically define this macro to <c>0</c> if
+the Boost.Config macro <c>BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS</c> is
+defined for the specific compiler, and to <c>1</c> otherwise.
+
+@See @RefSect{getting_started, Getting Started} section,
+@RefSect{advanced_topics, Advanced Topics} section,
+@RefMacro{BOOST_LOCAL_FUNCTION_NAME}.
+*/
+#define BOOST_LOCAL_FUNCTION_CONFIG_LOCALS_AS_TPARAMS
+
+#endif // DOXYGEN
+
+#endif // #include guard
+