diff --git a/build/Jamfile b/build/Jamfile
index c56bf47c..78d1e84a 100644
--- a/build/Jamfile
+++ b/build/Jamfile
@@ -84,7 +84,13 @@ lib libboost_python : ../src/$(CPP_SOURCES).cpp
     <shared-linkable>true
     $(PYTHON_PROPERTIES) ;
 
-    
+dll libboost_python$(SUFDLL[1]) : ../src/$(CPP_SOURCES).cpp
+	# requirements
+	: $(BOOST_PYTHON_INCLUDES)
+	<shared-linkable>true
+	<define>BOOST_RE_BUILD_DLL=1
+	$(PYTHON_PROPERTIES) ;
+
 ############# comprehensive module and test ###########
 bpl-test boost_python_test
       : ../test/comprehensive.cpp ;
diff --git a/src/classes.cpp b/src/classes.cpp
index 75f8a01a..c721ef5c 100644
--- a/src/classes.cpp
+++ b/src/classes.cpp
@@ -11,6 +11,8 @@
 // 03 Mar 01  added: pickle safety measures (Ralf W. Grosse-Kunstleve)
 // 03 Mar 01  bug fix: use bound_function::create() (instead of new bound_function)
 
+#define BOOST_PYTHON_SOURCE
+
 #include <boost/python/classes.hpp>
 #include <boost/python/detail/functions.hpp>
 #include <boost/python/detail/singleton.hpp>
diff --git a/src/conversions.cpp b/src/conversions.cpp
index c986f57b..f1534dd9 100644
--- a/src/conversions.cpp
+++ b/src/conversions.cpp
@@ -13,6 +13,8 @@
 // 04 Mar 01  std::complex<> fixes for MSVC (Dave Abrahams)
 // 03 Mar 01  added: converters for [plain] char (Ralf W. Grosse-Kunstleve)
 
+#define BOOST_PYTHON_SOURCE
+
 #include <boost/python/conversions.hpp>
 #include <boost/python/detail/void_adaptor.hpp>
 #include <typeinfo>
diff --git a/src/cross_module.cpp b/src/cross_module.cpp
index ea5a08de..5949be4d 100644
--- a/src/cross_module.cpp
+++ b/src/cross_module.cpp
@@ -8,6 +8,8 @@
      17 Apr 01 merged into boost CVS trunk (Ralf W. Grosse-Kunstleve)
 */
 
+#define BOOST_PYTHON_SOURCE
+
 # include <boost/python/cross_module.hpp>
 namespace python = boost::python;
 # include <stdio.h> // MSVC6.0SP4 does not know std::fprintf
diff --git a/src/extension_class.cpp b/src/extension_class.cpp
index 3815a19c..e9183c82 100644
--- a/src/extension_class.cpp
+++ b/src/extension_class.cpp
@@ -9,6 +9,8 @@
 // Revision History:
 // 04 Mar 01  Use PyObject_INIT() instead of trying to hand-initialize (David Abrahams)
 
+#define BOOST_PYTHON_SOURCE
+
 #include <boost/python/detail/extension_class.hpp>
 #include <boost/utility.hpp>
 #include <boost/bind.hpp>
diff --git a/src/functions.cpp b/src/functions.cpp
index a04e2e51..ecbacf4e 100644
--- a/src/functions.cpp
+++ b/src/functions.cpp
@@ -9,6 +9,8 @@
 // Revision History:
 // Mar 01 01  Use PyObject_INIT() instead of trying to hand-initialize (David Abrahams)
 
+#define BOOST_PYTHON_SOURCE
+
 #include <boost/python/detail/functions.hpp>
 #include <boost/python/detail/types.hpp>
 #include <boost/python/detail/singleton.hpp>
diff --git a/src/init_function.cpp b/src/init_function.cpp
index 1667724c..1ebfa501 100644
--- a/src/init_function.cpp
+++ b/src/init_function.cpp
@@ -6,6 +6,8 @@
 //  The author gratefully acknowleges the support of Dragon Systems, Inc., in
 //  producing this work.
 
+#define BOOST_PYTHON_SOURCE
+
 #include <boost/python/detail/init_function.hpp>
 #include <boost/python/objects.hpp>
 #include <boost/python/detail/extension_class.hpp>
diff --git a/src/module_builder.cpp b/src/module_builder.cpp
index 57eec75f..bd04a89c 100644
--- a/src/module_builder.cpp
+++ b/src/module_builder.cpp
@@ -6,6 +6,8 @@
 //  The author gratefully acknowleges the support of Dragon Systems, Inc., in
 //  producing this work.
 
+#define BOOST_PYTHON_SOURCE
+
 #include <boost/python/module_builder.hpp>
 
 namespace boost { namespace python {
diff --git a/src/objects.cpp b/src/objects.cpp
index 125a1eb8..70257388 100644
--- a/src/objects.cpp
+++ b/src/objects.cpp
@@ -8,6 +8,8 @@
 
 // TODO: Move inline implementations from objects.cpp here
 
+#define BOOST_PYTHON_SOURCE
+
 #include <boost/python/objects.hpp>
 #include <boost/python/detail/none.hpp>
 
diff --git a/src/types.cpp b/src/types.cpp
index c7e1f167..f411aa42 100644
--- a/src/types.cpp
+++ b/src/types.cpp
@@ -6,6 +6,8 @@
 //  The author gratefully acknowleges the support of Dragon Systems, Inc., in
 //  producing this work.
 
+#define BOOST_PYTHON_SOURCE
+
 #include <boost/python/detail/types.hpp>
 #include <boost/python/reference.hpp> // for handle_exception()
 #include <boost/python/conversions.hpp>