diff -ru boost_1_34_0/tools/build/v2/util/os.jam boost_1_34_0_ibm/tools/build/v2/util/os.jam
--- boost_1_34_0/tools/build/v2/util/os.jam	2007-03-15 00:02:22.000000000 -0400
+++ boost_1_34_0_ibm/tools/build/v2/util/os.jam	2007-03-30 15:44:00.000000000 -0400
@@ -71,6 +71,8 @@
 
 .shared-library-path-variable-MACOSX = DYLD_LIBRARY_PATH ;
 
+.shared-library-path-variable-AIX = LIBPATH ;
+
 # Default constants
 .shared-library-path-variable = LD_LIBRARY_PATH ;
 .path-separator = ":" ;