+diff -up boost_1_37_0/configure.smp boost_1_37_0/configure
+--- boost_1_37_0/configure.smp 2009-02-05 18:49:01.000000000 +0100
++++ boost_1_37_0/configure 2009-02-05 18:53:55.000000000 +0100
+@@ -347,7 +347,7 @@ LIBS=$LIBS
+
+ all: .dummy
+ @echo "\$(BJAM) \$(BJAM_CONFIG) --user-config=user-config.jam \$(LIBS) stage"
+- @\$(BJAM) \$(BJAM_CONFIG) --user-config=user-config.jam \$(LIBS) stage || \\
++ @\$(BJAM) \$(BJAM_CONFIG) --user-config=user-config.jam \$(LIBS) !!!SMP_FLAGS!!! stage || \\
+ echo "Not all Boost libraries built properly."
+
+ clean: .dummy