fixed the lib directory to use for 64-bit target
diff --git a/src/packages/xdc/bld/bin/config.bld b/src/packages/xdc/bld/bin/config.bld
index 7c6d9e2..2aadbc2 100644
--- a/src/packages/xdc/bld/bin/config.bld
+++ b/src/packages/xdc/bld/bin/config.bld
@@ -13,7 +13,7 @@
  * with libstdc++ the resulting executable has a dependency on a specific
  * libstdc++.so which causes these executables to be less portable.
  */
-Linux86.lnkOpts.suffix = "-L$(rootDir)/lib";
+Linux86.lnkOpts.suffix = "-L$(rootDir)/lib64";
 
 var MacOS86_64 = xdc.module("gnu.targets.MacOS86_64");
 MacOS86_64.lnkOpts.suffix = "-L$(rootDir)/lib";