@@ -16,10 +16,13 @@
 dnl Find the appropriate Tcl headers and libraries
 DC_DO_TCL
 
 dnl Find archives we need to link to
 DC_FIND_TCLKIT_LIBS
+
+dnl Find any platform specific defines that we need to make
+DC_SETUP_TCL_PLAT_DEFS
 
 dnl Determine if we have "Tcl_SetStartupScript" (8.6.x) or "TclSetStartupScriptPath" (8.4.x)
 SAVE_LIBS="${LIBS}"
 LIBS="${ARCHS} ${LIBS}"
 AC_CHECK_FUNCS(Tcl_SetStartupScript TclSetStartupScriptPath)