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+// (C) Copyright John Maddock 2001 - 2003.
+// (C) Copyright Jens Maurer 2001 - 2003.
+// Use, modification and distribution are subject to 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://www.boost.org for most recent version.
+
+// linux specific config options:
+
+#define BOOST_PLATFORM "linux"
+
+// make sure we have __GLIBC_PREREQ if available at all
+#include <cstdlib>
+
+//
+// <stdint.h> added to glibc 2.1.1
+// We can only test for 2.1 though:
+//
+#if defined(__GLIBC__) && ((__GLIBC__ > 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 1)))
+ // <stdint.h> defines int64_t unconditionally, but <sys/types.h> defines
+ // int64_t only if __GNUC__. Thus, assume a fully usable <stdint.h>
+ // only when using GCC.
+# if defined __GNUC__
+# define BOOST_HAS_STDINT_H
+# endif
+#endif
+
+#if defined(__LIBCOMO__)
+ //
+ // como on linux doesn't have std:: c functions:
+ // NOTE: versions of libcomo prior to beta28 have octal version numbering,
+ // e.g. version 25 is 21 (dec)
+ //
+# if __LIBCOMO_VERSION__ <= 20
+# define BOOST_NO_STDC_NAMESPACE
+# endif
+
+# if __LIBCOMO_VERSION__ <= 21
+# define BOOST_NO_SWPRINTF
+# endif
+
+#endif
+
+//
+// If glibc is past version 2 then we definitely have
+// gettimeofday, earlier versions may or may not have it:
+//
+#if defined(__GLIBC__) && (__GLIBC__ >= 2)
+# define BOOST_HAS_GETTIMEOFDAY
+#endif
+
+#ifdef __USE_POSIX199309
+# define BOOST_HAS_NANOSLEEP
+#endif
+
+#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
+// __GLIBC_PREREQ is available since 2.1.2
+
+ // swprintf is available since glibc 2.2.0
+# if !__GLIBC_PREREQ(2,2) || (!defined(__USE_ISOC99) && !defined(__USE_UNIX98))
+# define BOOST_NO_SWPRINTF
+# endif
+#else
+# define BOOST_NO_SWPRINTF
+#endif
+
+// boilerplate code:
+#define BOOST_HAS_UNISTD_H
+#include <boost/config/posix_features.hpp>
+
+#ifndef __GNUC__
+//
+// if the compiler is not gcc we still need to be able to parse
+// the GNU system headers, some of which (mainly <stdint.h>)
+// use GNU specific extensions:
+//
+# ifndef __extension__
+# define __extension__
+# endif
+# ifndef __const__
+# define __const__ const
+# endif
+# ifndef __volatile__
+# define __volatile__ volatile
+# endif
+# ifndef __signed__
+# define __signed__ signed
+# endif
+# ifndef __typeof__
+# define __typeof__ typeof
+# endif
+# ifndef __inline__
+# define __inline__ inline
+# endif
+#endif
+
+