@@ -20,8 +20,14 @@ dnl Find the appropriate libraries to link to AC_SEARCH_LIBS(inflate, z zlib,, [ AC_MSG_WARN([Couldn't find inflate (normally in zlib)!]) ]) AC_SEARCH_LIBS(acos, m,, [ AC_MSG_WARN([Couldn't find acos (normally in libm)!]) ]) AC_SEARCH_LIBS(dlsym, dl,, [ AC_MSG_WARN([Couldn't find dlsym (normally in libdl)!]) ]) + +dnl Determine if we have "Tcl_SetStartupScript" (8.6.x) or "TclSetStartupScriptPath" (8.4.x) +SAVE_LIBS="${LIBS}" +LIBS="${ARCHS} ${LIBS}" +AC_CHECK_FUNCS(Tcl_SetStartupScript TclSetStartupScriptPath) +LIBS="${SAVE_LIBS}" dnl Produce output AC_OUTPUT(Makefile)