C++ boost foreach.hpp expected primary-expression before

このドキュメントの内容は、以下の通りです。

• コンパイルエラーで困った

コンパイルエラーで困った

int
main (int argc, char *argv[])
{
#include <boost/foreach.hpp>
	return 0;
}

In file included from /usr/local/include/boost/mpl/if.hpp:17,
from /usr/local/include/boost/foreach.hpp:71,
from main.cpp:137:
/usr/local/include/boost/mpl/aux_/value_wknd.hpp: In function 'int main()':
/usr/local/include/boost/mpl/aux_/value_wknd.hpp:73: error: expected primary-expression before 'namespace'
/usr/local/include/boost/mpl/aux_/value_wknd.hpp:73: error: expected `;' before 'namespace'
main.cpp:159: error: expected `}' at end of input
main.cpp:159: error: expected `}' at end of input
main.cpp:159: error: expected `}' at end of input
main.cpp:159: error: expected `catch' at end of input
main.cpp:159: error: expected `(' at end of input
		main.cpp:159: error: expected type-specifier at end of input
		main.cpp:159: error: expected `)' at end of input
main.cpp:159: error: expected `{' at end of input
	main.cpp:159: error: expected `}' at end of input
	*** Error code 1