Index: /trunk/boost/python/call.hpp
===================================================================
--- /trunk/boost/python/call.hpp (revision 24055)
+++ /trunk/boost/python/call.hpp (revision 48960)
@@ -39,5 +39,8 @@
 # endif // CALL_DWA2002411_HPP
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1
 # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
         && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
@@ -77,3 +80,4 @@
 # undef N
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif
Index: /trunk/boost/python/object/value_holder.hpp
===================================================================
--- /trunk/boost/python/object/value_holder.hpp (revision 32284)
+++ /trunk/boost/python/object/value_holder.hpp (revision 48960)
@@ -118,5 +118,8 @@
 // --------------- value_holder ---------------
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == 1
 # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
         && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
@@ -164,3 +167,4 @@
 # undef N
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif
Index: /trunk/boost/python/object/make_holder.hpp
===================================================================
--- /trunk/boost/python/object/make_holder.hpp (revision 39191)
+++ /trunk/boost/python/object/make_holder.hpp (revision 48960)
@@ -48,5 +48,8 @@
 # endif // MAKE_HOLDER_DWA20011215_HPP
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1
 # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
         && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
@@ -103,3 +106,4 @@
 # undef N
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif
Index: /trunk/boost/python/object/pointer_holder.hpp
===================================================================
--- /trunk/boost/python/object/pointer_holder.hpp (revision 41521)
+++ /trunk/boost/python/object/pointer_holder.hpp (revision 48960)
@@ -171,5 +171,8 @@
 
 /* --------------- pointer_holder --------------- */
-#elif BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == 1
 # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
         && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
@@ -213,3 +216,4 @@
 # undef N
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif
Index: /trunk/boost/python/call_method.hpp
===================================================================
--- /trunk/boost/python/call_method.hpp (revision 24614)
+++ /trunk/boost/python/call_method.hpp (revision 48960)
@@ -38,5 +38,8 @@
 # endif // CALL_METHOD_DWA2002411_HPP
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1
 # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
         && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
@@ -77,3 +80,4 @@
 # undef N
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif // BOOST_PP_IS_ITERATING
Index: /trunk/boost/python/detail/target.hpp
===================================================================
--- /trunk/boost/python/detail/target.hpp (revision 24614)
+++ /trunk/boost/python/detail/target.hpp (revision 48960)
@@ -38,5 +38,8 @@
 
 /* --------------- function pointers --------------- */
-#elif BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_FUNCTION_POINTER
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_FUNCTION_POINTER
 # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
         && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
@@ -80,3 +83,4 @@
 # undef Q
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif
Index: /trunk/boost/python/detail/result.hpp
===================================================================
--- /trunk/boost/python/detail/result.hpp (revision 43799)
+++ /trunk/boost/python/detail/result.hpp (revision 48960)
@@ -87,5 +87,8 @@
 
 /* --------------- function pointers --------------- */
-#elif BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_FUNCTION_POINTER
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_FUNCTION_POINTER
 # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
         && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
@@ -129,3 +132,4 @@
 # undef Q
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif
Index: /trunk/boost/python/signature.hpp
===================================================================
--- /trunk/boost/python/signature.hpp (revision 24055)
+++ /trunk/boost/python/signature.hpp (revision 48960)
@@ -114,5 +114,8 @@
 # endif // SIGNATURE_JDG20020813_HPP
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1 // defined(BOOST_PP_IS_ITERATING)
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1 // defined(BOOST_PP_IS_ITERATING)
 
 # define N BOOST_PP_ITERATION()
@@ -177,3 +180,4 @@
 # undef N
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif // !defined(BOOST_PP_IS_ITERATING)
Index: /trunk/boost/mpl/aux_/numeric_op.hpp
===================================================================
--- /trunk/boost/mpl/aux_/numeric_op.hpp (revision 30670)
+++ /trunk/boost/mpl/aux_/numeric_op.hpp (revision 48960)
@@ -288,5 +288,8 @@
 ///// iteration, depth == 1
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1
 
 #   define i_ BOOST_PP_FRAME_ITERATION(1)
@@ -309,3 +312,4 @@
 #   undef i_
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif // BOOST_PP_IS_ITERATING
Index: /trunk/boost/mpl/aux_/advance_backward.hpp
===================================================================
--- /trunk/boost/mpl/aux_/advance_backward.hpp (revision 24874)
+++ /trunk/boost/mpl/aux_/advance_backward.hpp (revision 48960)
@@ -80,5 +80,8 @@
 ///// iteration, depth == 1
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1
 #define i_ BOOST_PP_FRAME_ITERATION(1)
 
@@ -122,3 +125,4 @@
 #   undef AUX778076_ITER_0
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif // BOOST_PP_IS_ITERATING
Index: /trunk/boost/mpl/aux_/full_lambda.hpp
===================================================================
--- /trunk/boost/mpl/aux_/full_lambda.hpp (revision 24896)
+++ /trunk/boost/mpl/aux_/full_lambda.hpp (revision 48960)
@@ -228,5 +228,8 @@
 ///// iteration, depth == 1
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1
 #define i_ BOOST_PP_FRAME_ITERATION(1)
 
@@ -348,3 +351,4 @@
 
 #undef i_
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif // BOOST_PP_IS_ITERATING
Index: /trunk/boost/mpl/aux_/advance_forward.hpp
===================================================================
--- /trunk/boost/mpl/aux_/advance_forward.hpp (revision 24874)
+++ /trunk/boost/mpl/aux_/advance_forward.hpp (revision 48960)
@@ -80,5 +80,8 @@
 ///// iteration, depth == 1
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1
 #define i_ BOOST_PP_FRAME_ITERATION(1)
 
@@ -121,3 +124,4 @@
 #   undef AUX778076_ITER_0
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif // BOOST_PP_IS_ITERATING
Index: /trunk/boost/mpl/unpack_args.hpp
===================================================================
--- /trunk/boost/mpl/unpack_args.hpp (revision 24874)
+++ /trunk/boost/mpl/unpack_args.hpp (revision 48960)
@@ -112,5 +112,8 @@
 ///// iteration, depth == 1
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1
 
 #   define i_ BOOST_PP_FRAME_ITERATION(1)
@@ -144,3 +147,4 @@
 #   undef i_
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif // BOOST_PP_IS_ITERATING
Index: /trunk/boost/mpl/bind.hpp
===================================================================
--- /trunk/boost/mpl/bind.hpp (revision 25875)
+++ /trunk/boost/mpl/bind.hpp (revision 48960)
@@ -362,5 +362,8 @@
 ///// iteration, depth == 1
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1
 
 #   define i_ BOOST_PP_FRAME_ITERATION(1)
@@ -545,3 +548,4 @@
 #   undef j_
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif // BOOST_PP_IS_ITERATING
Index: /trunk/boost/mpl/apply.hpp
===================================================================
--- /trunk/boost/mpl/apply.hpp (revision 24874)
+++ /trunk/boost/mpl/apply.hpp (revision 48960)
@@ -136,5 +136,8 @@
 ///// iteration, depth == 1
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1
 
 #   define i_ BOOST_PP_FRAME_ITERATION(1)
@@ -223,3 +226,4 @@
 #   undef i_
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif // BOOST_PP_IS_ITERATING
Index: /trunk/boost/mpl/apply_wrap.hpp
===================================================================
--- /trunk/boost/mpl/apply_wrap.hpp (revision 24892)
+++ /trunk/boost/mpl/apply_wrap.hpp (revision 48960)
@@ -79,5 +79,8 @@
 ///// iteration, depth == 1
 
-#elif BOOST_PP_ITERATION_DEPTH() == 1
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1
 
 #   define i_ BOOST_PP_FRAME_ITERATION(1)
@@ -198,3 +201,4 @@
 #   undef j_
 
+#endif // BOOST_PP_ITERATION_DEPTH()
 #endif // BOOST_PP_IS_ITERATING