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I've got a pretty minimal sample project for boost.log running on Xcode 5, which goes like this:

#include <iostream>
#include <boost/log/core.hpp>
#include <boost/log/trivial.hpp>
#include <boost/log/expressions.hpp>
#include <boost/log/sinks/text_file_backend.hpp>
#include <boost/log/utility/setup/file.hpp>
#include <boost/log/utility/setup/common_attributes.hpp>
#include <boost/log/sources/severity_logger.hpp>
#include <boost/log/sources/record_ostream.hpp>
#include <boost/log/expressions/formatters/date_time.hpp>
#include <boost/log/support/date_time.hpp>
#include <boost/date_time/posix_time/posix_time_types.hpp>
#include <boost/log/utility/setup/console.hpp>

namespace logging = boost::log;
namespace keywords = boost::log::keywords;
namespace src = boost::log::sources;
namespace expr = boost::log::expressions;


int main(int argc, const char *argv[])
{
   logging::add_file_log
           (
                   keywords::file_name = "Out_%N.log",
                   keywords::format =
                           (
                                   expr::stream
                                           << expr::format_date_time< boost::posix_time::ptime >("TimeStamp", "%Y-%m-%d %H:%M:%S")
                                           << ": [" << logging::trivial::severity
                                           << "]  " << expr::smessage
                           )
           );

   logging::core::get()->set_filter(logging::trivial::severity >= logging::trivial::debug);
   logging::add_common_attributes();

   src::severity_logger< logging::trivial::severity_level > logger;
   BOOST_LOG_SEV(logger, logging::trivial::warning) << "a warning message";

   return 0;
}

Now everything runs fine with a command line project.

However as soon as I use the snipped in a real-world project with the default Xcode precompiled header file I'm getting compiler errors in boost/type_traits/detail/has_binary_operator.hpp and boost/lexical_cast.hpp.

Precompiled header test_prefix.pch:

//
// Prefix header for all source files in project
//

#include <Carbon/Carbon.h>

Already wasted hours fiddling with compiler settings and project configuration in Xcode so any feedback is appreciated!

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1 回答 1

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You likely need to #define __ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES 0 prior to including Carbon/Carbon.h in your prefix header. See https://svn.boost.org/trac/boost/ticket/6219 for more information.

于 2014-01-29T09:22:28.230 回答