+// (C) Copyright John Maddock 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)

+

+

+#ifndef BOOST_CONFIG_REQUIRES_THREADS_HPP

+#define BOOST_CONFIG_REQUIRES_THREADS_HPP

+

+#ifndef BOOST_CONFIG_HPP

+# include <boost/config.hpp>

+#endif

+

+#if defined(BOOST_DISABLE_THREADS)

+

+//

+// special case to handle versions of gcc which don't currently support threads:

+//

+#if defined(__GNUC__) && ((__GNUC__ < 3) || (__GNUC_MINOR__ <= 3) || !defined(BOOST_STRICT_CONFIG))

+//

+// this is checked up to gcc 3.3:

+//

+#if defined(__sgi) || defined(__hpux)

+# error "Multi-threaded programs are not supported by gcc on HPUX or Irix (last checked with gcc 3.3)"

+#endif

+

+#endif

+

+# error "Threading support unavaliable: it has been explicitly disabled with BOOST_DISABLE_THREADS"

+

+#elif !defined(BOOST_HAS_THREADS)

+

+# if defined __COMO__

+// Comeau C++

+# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -D_MT (Windows) or -D_REENTRANT (Unix)"

+

+#elif defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC)

+// Intel

+#ifdef _WIN32

+# error "Compiler threading support is not turned on. Please set the correct command line options for threading: either /MT /MTd /MD or /MDd"

+#else

+# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -openmp"

+#endif

+

+# elif defined __GNUC__

+// GNU C++:

+# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -pthread (Linux), -pthreads (Solaris) or -mthreads (Mingw32)"

+

+#elif defined __sgi

+// SGI MIPSpro C++

+# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -D_SGI_MP_SOURCE"

+

+#elif defined __DECCXX

+// Compaq Tru64 Unix cxx

+# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -pthread"

+

+#elif defined __BORLANDC__

+// Borland

+# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -tWM"

+

+#elif defined __MWERKS__

+// Metrowerks CodeWarrior

+# 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"

+

+#elif defined __SUNPRO_CC

+// Sun Workshop Compiler C++

+# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -mt"

+

+#elif defined __HP_aCC

+// HP aCC

+# error "Compiler threading support is not turned on. Please set the correct command line options for threading: -mt"

+

+#elif defined(__IBMCPP__)

+// IBM Visual Age

+# error "Compiler threading support is not turned on. Please compile the code with the xlC_r compiler"

+

+#elif defined _MSC_VER

+// Microsoft Visual C++

+//

+// Must remain the last #elif since some other vendors (Metrowerks, for

+// example) also #define _MSC_VER

+# error "Compiler threading support is not turned on. Please set the correct command line options for threading: either /MT /MTd /MD or /MDd"

+

+#else

+

+# error "Compiler threading support is not turned on. Please consult your compiler's documentation for the appropriate options to use"

+

+#endif // compilers

+

+#endif // BOOST_HAS_THREADS

+

+#endif // BOOST_CONFIG_REQUIRES_THREADS_HPP