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make public the singleton template to ensure it can be shared across shared library boundaries if the library is built with -fvisibility=hidden - refs #1826

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Dane Springmeyer 2013-05-09 15:26:50 -07:00
parent 36bdde82e7
commit e6bfd12b95
1 changed files with 3 additions and 1 deletions
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4
include/mapnik/utils.hpp
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@ -23,6 +23,8 @@
#ifndef MAPNIK_UTILS_HPP
#define MAPNIK_UTILS_HPP
#include <mapnik/config.hpp>
// boost
#ifdef MAPNIK_THREADSAFE
#include <boost/thread/mutex.hpp>
@ -93,7 +95,7 @@ public:
};
template <typename T,
template <typename U> class CreatePolicy=CreateStatic> class singleton
template <typename U> class CreatePolicy=CreateStatic> class MAPNIK_DECL singleton
{
#ifdef __SUNPRO_CC
/* Sun's C++ compiler will issue the following errors if CreatePolicy<T> is used: