diff -r -u boost_1_47_0.orig/boost/asio/detail/fenced_block.hpp boost_1_47_0/boost/asio/detail/fenced_block.hpp
--- boost_1_47_0.orig/boost/asio/detail/fenced_block.hpp	2011-08-07 19:55:19.000000000 +0600
+++ boost_1_47_0/boost/asio/detail/fenced_block.hpp	2011-08-07 21:05:27.000000000 +0600
@@ -30,9 +30,10 @@
 #elif defined(__GNUC__) && (defined(__hppa) || defined(__hppa__))
 # include <boost/asio/detail/gcc_hppa_fenced_block.hpp>
 #elif defined(__GNUC__) \
-  && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)) \
-  && !defined(__INTEL_COMPILER) && !defined(__ICL) \
-  && !defined(__ICC) && !defined(__ECC) && !defined(__PATHSCALE__)
+  && ((((__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)) \
+    && !defined(__INTEL_COMPILER) && !defined(__ICC)) \
+  || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1100)) \
+  && !defined(__ICL) && !defined(__ECC) && !defined(__PATHSCALE__)
 # include <boost/asio/detail/gcc_sync_fenced_block.hpp>
 #elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
 # include <boost/asio/detail/gcc_x86_fenced_block.hpp>
@@ -59,9 +60,10 @@
 #elif defined(__GNUC__) && (defined(__hppa) || defined(__hppa__))
 typedef gcc_hppa_fenced_block fenced_block;
 #elif defined(__GNUC__) \
-  && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)) \
-  && !defined(__INTEL_COMPILER) && !defined(__ICL) \
-  && !defined(__ICC) && !defined(__ECC) && !defined(__PATHSCALE__)
+  && ((((__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)) \
+    && !defined(__INTEL_COMPILER) && !defined(__ICC)) \
+  || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1100)) \
+  && !defined(__ICL) && !defined(__ECC) && !defined(__PATHSCALE__)
 typedef gcc_sync_fenced_block fenced_block;
 #elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
 typedef gcc_x86_fenced_block fenced_block;
diff -r -u boost_1_47_0.orig/boost/asio/detail/gcc_sync_fenced_block.hpp boost_1_47_0/boost/asio/detail/gcc_sync_fenced_block.hpp
--- boost_1_47_0.orig/boost/asio/detail/gcc_sync_fenced_block.hpp	2011-08-07 19:55:19.000000000 +0600
+++ boost_1_47_0/boost/asio/detail/gcc_sync_fenced_block.hpp	2011-08-07 21:05:31.000000000 +0600
@@ -18,9 +18,10 @@
 #include <boost/asio/detail/config.hpp>
 
 #if defined(__GNUC__) \
-  && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)) \
-  && !defined(__INTEL_COMPILER) && !defined(__ICL) \
-  && !defined(__ICC) && !defined(__ECC) && !defined(__PATHSCALE__)
+  && ((((__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)) \
+    && !defined(__INTEL_COMPILER) && !defined(__ICC)) \
+  || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 1100)) \
+  && !defined(__ICL) && !defined(__ECC) && !defined(__PATHSCALE__)
 
 #include <boost/asio/detail/push_options.hpp>