+AC_ARG_VAR([LTTNG_TOOLS_32BIT_BINDIR], [Search for LTTng Tools 32-bit binaries in this location.])
+AC_DEFINE_UNQUOTED([CONFIG_32BIT_BINDIR], $LTTNG_TOOLS_32BIT_BINDIR, [Search for LTTng Tools 32-bit binaries in this location.])
+AC_ARG_VAR([LTTNG_TOOLS_64BIT_BINDIR], [Search for LTTng Tools 64-bit binaries in this location.])
+AC_DEFINE_UNQUOTED([CONFIG_64BIT_BINDIR], $LTTNG_TOOLS_64BIT_BINDIR, [Search for LTTng Tools 64-bit binaries in this location.])
+