$ use64bitall = "n"
$ use64bitint = "n"
$ uselargefiles = "n"
+$ usesitecustomize = "n"
$ C_Compiler_Replace = "CC="
$ Thread_Live_Dangerously = "MT="
$ use_two_pot_malloc = "N"
$ config_symbols1 ="|installprivlib|installscript|installsitearch|installsitelib|most|oldarchlib|oldarchlibexp|osname|pager|perl_symbol|perl_verb|"
$ config_symbols2 ="|prefix|privlib|privlibexp|scriptdir|sitearch|sitearchexp|sitebin|sitelib|sitelib_stem|sitelibexp|try_cxx|use64bitall|use64bitint|"
$ config_symbols3 ="|usecasesensitive|usedefaulttypes|usedevel|useieee|useithreads|usemultiplicity|usemymalloc|usedebugging_perl|useperlio|usesecurelog|"
-$ config_symbols4 ="|usethreads|usevmsdebug|usefaststdio|usemallocwrap|unlink_all_versions|uselargefiles|"
+$ config_symbols4 ="|usethreads|usevmsdebug|usefaststdio|usemallocwrap|unlink_all_versions|uselargefiles|usesitecustomize|"
$!
$ open/read CONFIG 'config_sh'
$ rd_conf_loop:
$!
$ ENDIF ! not VAX && >= 7.1
$!
+$ IF usesitecustomize .OR. usesitecustomize .eqs. "define"
+$ THEN
+$ usesitecustomize = "define"
+$ ELSE
+$ usesitecustomize = "undef"
+$ ENDIF
+$!
$! Ask about threads, if appropriate
$ IF ccname .EQS. "DEC" .OR. ccname .EQS. "CXX"
$ THEN
$ WC "usereentrant='undef'"
$ WC "userelocatableinc='undef'"
$ WC "usesecurelog='" + usesecurelog + "'" ! VMS-specific
+$ WC "usesitecustomize='" + usesitecustomize + "'"
$ WC "usesocks='undef'"
$ WC "usethreads='" + usethreads + "'"
$ WC "usevendorprefix='" + "'" ! try to say no, though we'll be ignored as of MM 5.90_01