@@ -25,8 +25,9 @@
 	AC_CHECK_TOOL([AR], [ar], [false])
 	AC_CHECK_TOOL([RANLIB], [ranlib], [:])
 	EXTENSION_TARGET="tcltls.a"
 fi
 AC_SUBST(EXTENSION_TARGET)
+AC_SUBST(TCLEXT_BUILD)
 
 dnl Produce output
 AC_OUTPUT(Makefile pkgIndex.tcl)