diff --git a/src/date_time_format_parser.cpp b/src/date_time_format_parser.cpp
index c9f6037..d7af7cd 100644
--- a/src/date_time_format_parser.cpp
+++ b/src/date_time_format_parser.cpp
@@ -344,7 +344,7 @@ inline void parse_format(const CharT* begin, const CharT* end, ParserT& parser,
 
 //! Parses the date format string and invokes the callback object
 template< typename CharT >
-void parse_date_format(const CharT* begin, const CharT* end, date_format_parser_callback< CharT >& callback)
+BOOST_LOG_API void parse_date_format(const CharT* begin, const CharT* end, date_format_parser_callback< CharT >& callback)
 {
     typedef CharT char_type;
     typedef date_format_parser_callback< char_type > callback_type;
@@ -354,7 +354,7 @@ void parse_date_format(const CharT* begin, const CharT* end, date_format_parser_
 
 //! Parses the time format string and invokes the callback object
 template< typename CharT >
-void parse_time_format(const CharT* begin, const CharT* end, time_format_parser_callback< CharT >& callback)
+BOOST_LOG_API void parse_time_format(const CharT* begin, const CharT* end, time_format_parser_callback< CharT >& callback)
 {
     typedef CharT char_type;
     typedef time_format_parser_callback< char_type > callback_type;
@@ -364,7 +364,7 @@ void parse_time_format(const CharT* begin, const CharT* end, time_format_parser_
 
 //! Parses the date and time format string and invokes the callback object
 template< typename CharT >
-void parse_date_time_format(const CharT* begin, const CharT* end, date_time_format_parser_callback< CharT >& callback)
+BOOST_LOG_API void parse_date_time_format(const CharT* begin, const CharT* end, date_time_format_parser_callback< CharT >& callback)
 {
     typedef CharT char_type;
     typedef date_time_format_parser_callback< char_type > callback_type;
@@ -373,7 +373,7 @@ void parse_date_time_format(const CharT* begin, const CharT* end, date_time_form
 }
 
 template< typename CharT >
-void put_integer(std::basic_string< CharT >& str, uint32_t value, unsigned int width, CharT fill_char)
+BOOST_LOG_API void put_integer(std::basic_string< CharT >& str, uint32_t value, unsigned int width, CharT fill_char)
 {
     typedef CharT char_type;
     char_type buf[std::numeric_limits< uint32_t >::digits10 + 2];
diff --git a/src/filter_parser.cpp b/src/filter_parser.cpp
index fc7c1e6..d46c5df 100644
--- a/src/filter_parser.cpp
+++ b/src/filter_parser.cpp
@@ -475,7 +475,7 @@ private:
 
 //! The function registers a filter factory object for the specified attribute name
 template< typename CharT >
-void register_filter_factory(attribute_name const& name, shared_ptr< filter_factory< CharT > > const& factory)
+BOOST_LOG_SETUP_API void register_filter_factory(attribute_name const& name, shared_ptr< filter_factory< CharT > > const& factory)
 {
     BOOST_ASSERT(!!name);
     BOOST_ASSERT(!!factory);
@@ -488,7 +488,7 @@ void register_filter_factory(attribute_name const& name, shared_ptr< filter_fact
 
 //! The function parses a filter from the string
 template< typename CharT >
-filter parse_filter(const CharT* begin, const CharT* end)
+BOOST_LOG_SETUP_API filter parse_filter(const CharT* begin, const CharT* end)
 {
     typedef CharT char_type;
     typedef log::aux::encoding_specific< typename log::aux::encoding< char_type >::type > encoding_specific;
diff --git a/src/format_parser.cpp b/src/format_parser.cpp
index d1375ba..587b1d8 100644
--- a/src/format_parser.cpp
+++ b/src/format_parser.cpp
@@ -36,7 +36,7 @@ BOOST_LOG_OPEN_NAMESPACE
 namespace aux {
 
 template< typename CharT >
-format_description< CharT > parse_format(const CharT* begin, const CharT* end)
+BOOST_LOG_API format_description< CharT > parse_format(const CharT* begin, const CharT* end)
 {
     typedef CharT char_type;
     typedef format_description< char_type > description;
diff --git a/src/formatter_parser.cpp b/src/formatter_parser.cpp
index 26f56eb..0b40545 100644
--- a/src/formatter_parser.cpp
+++ b/src/formatter_parser.cpp
@@ -433,7 +433,7 @@ private:
 
 //! The function registers a user-defined formatter factory
 template< typename CharT >
-void register_formatter_factory(attribute_name const& name, shared_ptr< formatter_factory< CharT > > const& factory)
+BOOST_LOG_SETUP_API void register_formatter_factory(attribute_name const& name, shared_ptr< formatter_factory< CharT > > const& factory)
 {
     BOOST_ASSERT(!!name);
     BOOST_ASSERT(!!factory);
@@ -445,7 +445,7 @@ void register_formatter_factory(attribute_name const& name, shared_ptr< formatte
 
 //! The function parses a formatter from the string
 template< typename CharT >
-basic_formatter< CharT > parse_formatter(const CharT* begin, const CharT* end)
+BOOST_LOG_SETUP_API basic_formatter< CharT > parse_formatter(const CharT* begin, const CharT* end)
 {
     typedef CharT char_type;
 
diff --git a/src/init_from_settings.cpp b/src/init_from_settings.cpp
index fdd5457..a0f5e81 100644
--- a/src/init_from_settings.cpp
+++ b/src/init_from_settings.cpp
@@ -777,7 +777,7 @@ void apply_core_settings(basic_settings_section< CharT > const& params)
 
 //! The function initializes the logging library from a settings container
 template< typename CharT >
-void init_from_settings(basic_settings_section< CharT > const& setts)
+BOOST_LOG_SETUP_API void init_from_settings(basic_settings_section< CharT > const& setts)
 {
     typedef basic_settings_section< CharT > section;
     typedef typename section::char_type char_type;
@@ -812,7 +812,7 @@ void init_from_settings(basic_settings_section< CharT > const& setts)
 
 //! The function registers a factory for a sink
 template< typename CharT >
-void register_sink_factory(const char* sink_name, shared_ptr< sink_factory< CharT > > const& factory)
+BOOST_LOG_SETUP_API void register_sink_factory(const char* sink_name, shared_ptr< sink_factory< CharT > > const& factory)
 {
     sinks_repository< CharT >& repo = sinks_repository< CharT >::get();
     BOOST_LOG_EXPR_IF_MT(lock_guard< log::aux::light_rw_mutex > lock(repo.m_Mutex);)
diff --git a/src/init_from_stream.cpp b/src/init_from_stream.cpp
index 73f7b3d..b73a54f 100644
--- a/src/init_from_stream.cpp
+++ b/src/init_from_stream.cpp
@@ -26,7 +26,7 @@ BOOST_LOG_OPEN_NAMESPACE
 
 //! The function initializes the logging library from a stream containing logging settings
 template< typename CharT >
-void init_from_stream(std::basic_istream< CharT >& strm)
+BOOST_LOG_SETUP_API void init_from_stream(std::basic_istream< CharT >& strm)
 {
     init_from_settings(parse_settings(strm));
 }
diff --git a/src/process_id.cpp b/src/process_id.cpp
index 02fbfdf..291ab79 100644
--- a/src/process_id.cpp
+++ b/src/process_id.cpp
@@ -89,7 +89,7 @@ BOOST_LOG_OPEN_NAMESPACE
 namespace aux {
 
 template< typename CharT, typename TraitsT >
-std::basic_ostream< CharT, TraitsT >&
+BOOST_LOG_API std::basic_ostream< CharT, TraitsT >&
 operator<< (std::basic_ostream< CharT, TraitsT >& strm, process::id const& pid)
 {
     if (strm.good())
diff --git a/src/settings_parser.cpp b/src/settings_parser.cpp
index b875f08..ffc9d77 100644
--- a/src/settings_parser.cpp
+++ b/src/settings_parser.cpp
@@ -210,7 +210,7 @@ private:
 
 //! The function parses library settings from an input stream
 template< typename CharT >
-basic_settings< CharT > parse_settings(std::basic_istream< CharT >& strm)
+BOOST_LOG_SETUP_API basic_settings< CharT > parse_settings(std::basic_istream< CharT >& strm)
 {
     typedef CharT char_type;
     typedef std::basic_string< char_type > string_type;
diff --git a/src/thread_id.cpp b/src/thread_id.cpp
index cdd556f..a2125a5 100644
--- a/src/thread_id.cpp
+++ b/src/thread_id.cpp
@@ -240,7 +240,7 @@ void format_thread_id(char* buf, std::size_t size, thread::id tid)
 }
 
 template< typename CharT, typename TraitsT >
-std::basic_ostream< CharT, TraitsT >& operator<< (std::basic_ostream< CharT, TraitsT >& strm, thread::id const& tid)
+BOOST_LOG_API std::basic_ostream< CharT, TraitsT >& operator<< (std::basic_ostream< CharT, TraitsT >& strm, thread::id const& tid)
 {
     if (strm.good())
     {