$ THEN
$ dflt = dflt - "Socket" ! optional on VMS
$ ENDIF
+$ IF .NOT. use_ithreads THEN dflt = dflt - "threads"
$ dflt = F$EDIT(dflt,"TRIM,COMPRESS")
$!
$! Ask for their default list of extensions to build
$ GOSUB inlibc
$ d_mkstemps = tmp
$!
-$! Check for iconv
-$!
-$ OS
-$ WS "#if defined(__DECC) || defined(__DECCXX)"
-$ WS "#include <stdlib.h>"
-$ WS "#endif"
-$ WS "#include <stdio.h>"
-$ WS "#include <iconv.h>"
-$ WS "int main()"
-$ WS "{"
-$ WS " iconv_t cd = (iconv_t)0;"
-$ WS " char *inbuf, *outbuf;"
-$ WS " size_t inleft, outleft;"
-$ WS " iconv(cd, &inbuf, &inleft, &outbuf, &outleft);"
-$ WS " exit(0);"
-$ WS "}"
-$ CS
-$ GOSUB link_ok
-$ IF compile_status .ne. good_compile
-$ THEN
-$ d_iconv="undef"
-$ i_iconv="undef"
-$ ELSE
-$ IF link_status .ne. good_link
-$ THEN
-$ d_iconv="undef"
-$ i_iconv="undef"
-$ ELSE
-$ d_iconv="define"
-$ i_iconv="define"
-$ ENDIF
-$ ENDIF
-$ IF i_iconv .eqs. "define"
-$ THEN echo4 "<iconv.h> found."
-$ ELSE echo4 "<iconv.h> NOT found."
-$ ENDIF
-$!
$! Check for mkdtemp
$!
$ OS
$ WC "d_grpasswd='undef'"
$ WC "d_hasmntopt='undef'"
$ WC "d_htonl='" + d_htonl + "'"
-$ WC "d_iconv='" + d_iconv +"'"
$ WC "d_index='" + d_index + "'"
$ WC "d_inetaton='undef'"
$ WC "d_int64_t='" + d_int64_t + "'"
$ WC "i_fp='undef'"
$ WC "i_fp_class='undef'"
$ WC "i_grp='undef'"
-$ WC "i_iconv='" + i_iconv +"'"
$ WC "i_ieeefp='undef'"
$ WC "i_inttypes='" + i_inttypes + "'"
$ WC "i_langinfo='" + i_langinfo + "'"