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// (C) Copyright John Maddock 2003.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_CONFIG_REQUIRES_THREADS_HPP
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#define BOOST_CONFIG_REQUIRES_THREADS_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#if defined(BOOST_DISABLE_THREADS)
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//
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// special case to handle versions of gcc which don't currently support threads:
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//
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#if defined(__GNUC__) && ((__GNUC__ < 3) || (__GNUC_MINOR__ <= 3) || !defined(BOOST_STRICT_CONFIG))
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//
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// this is checked up to gcc 3.3:
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//
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#if defined(__sgi) || defined(__hpux)
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# error "Multi-threaded programs are not supported by gcc on HPUX or Irix (last checked with gcc 3.3)"
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#endif
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#endif
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# error "Threading support unavaliable: it has been explicitly disabled with BOOST_DISABLE_THREADS"
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#elif !defined(BOOST_HAS_THREADS)
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# if defined __COMO__
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// Comeau C++
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# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -D_MT (Windows) or -D_REENTRANT (Unix)"
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#elif defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC)
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// Intel
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#ifdef _WIN32
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# error "Compiler threading support is not turned on. Please set the correct command line options for threading: either /MT /MTd /MD or /MDd"
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#else
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# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -openmp"
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#endif
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# elif defined __GNUC__
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// GNU C++:
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# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -pthread (Linux), -pthreads (Solaris) or -mthreads (Mingw32)"
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#elif defined __sgi
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// SGI MIPSpro C++
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# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -D_SGI_MP_SOURCE"
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#elif defined __DECCXX
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// Compaq Tru64 Unix cxx
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# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -pthread"
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#elif defined __BORLANDC__
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// Borland
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# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -tWM"
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#elif defined __MWERKS__
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// Metrowerks CodeWarrior
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# error "Compiler threading support is not turned on. Please set the correct command line options for threading: either -runtime sm, -runtime smd, -runtime dm, or -runtime dmd"
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#elif defined __SUNPRO_CC
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// Sun Workshop Compiler C++
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# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -mt"
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#elif defined __HP_aCC
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// HP aCC
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# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -mt"
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#elif defined(__IBMCPP__)
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// IBM Visual Age
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# error "Compiler threading support is not turned on. Please compile the code with the xlC_r compiler"
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#elif defined _MSC_VER
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// Microsoft Visual C++
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//
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// Must remain the last #elif since some other vendors (Metrowerks, for
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// example) also #define _MSC_VER
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# error "Compiler threading support is not turned on. Please set the correct command line options for threading: either /MT /MTd /MD or /MDd"
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#else
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# error "Compiler threading support is not turned on. Please consult your compiler's documentation for the appropriate options to use"
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#endif // compilers
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#endif // BOOST_HAS_THREADS
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#endif // BOOST_CONFIG_REQUIRES_THREADS_HPP
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