Add fallback to tmpfile for use in cases where user's relying on
[p5sagit/p5-mst-13.2.git] / vms / genconfig.pl
CommitLineData
a0d0e21e 1#!/usr/bin/perl
2# Habit . . .
3#
4# Extract info from Config.VMS, and add extra data here, to generate Config.sh
5# Edit the static information after __END__ to reflect your site and options
748a9306 6# that went into your perl binary. In addition, values which change from run
7# to run may be supplied on the command line as key=val pairs.
a0d0e21e 8#
09b7f37c 9# Rev. 16-Feb-1998 Charles Bailey bailey@newman.upenn.edu
a0d0e21e 10#
11
7aa5c81f 12#==== Locations of installed Perl components
13$prefix='perl_root';
14$builddir="$prefix:[000000]";
15$installbin="$prefix:[000000]";
edc7bc49 16$installscript="$prefix:[000000]";
7aa5c81f 17$installman1dir="$prefix:[man.man1]";
18$installman3dir="$prefix:[man.man3]";
19$installprivlib="$prefix:[lib]";
edc7bc49 20$installsitelib="$prefix:[lib.site_perl]";
7aa5c81f 21
a0d0e21e 22unshift(@INC,'lib'); # In case someone didn't define Perl_Root
23 # before the build
a0d0e21e 24
a5f75d66 25if ($ARGV[0] eq '-f') {
26 open(ARGS,$ARGV[1]) or die "Can't read data from $ARGV[1]: $!\n";
27 @ARGV = ();
28 while (<ARGS>) {
09b7f37c 29 chomp;
a5f75d66 30 push(@ARGV,split(/\|/,$_));
31 }
32 close ARGS;
33}
34
a0d0e21e 35if (-f "config.vms") { $infile = "config.vms"; $outdir = "[-]"; }
36elsif (-f "[.vms]config.vms") { $infile = "[.vms]config.vms"; $outdir = "[]"; }
37elsif (-f "config.h") { $infile = "config.h"; $outdir = "[]";}
38
39if ($infile) { print "Generating Config.sh from $infile . . .\n"; }
40else { die <<EndOfGasp;
41Can't find config.vms or config.h to read!
42 Please run this script from the perl source directory or
43 the VMS subdirectory in the distribution.
44EndOfGasp
45}
46$outdir = '';
47open(IN,"$infile") || die "Can't open $infile: $!\n";
48open(OUT,">${outdir}Config.sh") || die "Can't open ${outdir}Config.sh: $!\n";
a0d0e21e 49
e518068a 50$time = localtime;
7aa5c81f 51$cf_by = (getpwuid($<))[0];
52$archsufx = `Write Sys\$Output F\$GetSyi("HW_MODEL")` > 1024 ? 'AXP' : 'VAX';
53($vers = $]) =~ tr/./_/;
54$installarchlib = VMS::Filespec::vmspath($installprivlib);
55$installarchlib =~ s#\]#.VMS_$archsufx.$vers\]#;
edc7bc49 56$installsitearch = VMS::Filespec::vmspath($installsitelib);
57$installsitearch =~ s#\]#.VMS_$archsufx\]#;
7aa5c81f 58($osvers = `Write Sys\$Output F\$GetSyi("VERSION")`) =~ s/^V?(\S+)\s*\n?$/$1/;
59
748a9306 60print OUT <<EndOfIntro;
a0d0e21e 61# This file generated by GenConfig.pl on a VMS system.
62# Input obtained from:
63# $infile
64# $0
65# Time: $time
66
e518068a 67package='perl5'
68CONFIG='true'
69cf_time='$time'
7aa5c81f 70cf_by='$cf_by'
fc1ce8cc 71ccdlflags='undef'
72cccdlflags='undef'
73mab='undef'
7aa5c81f 74libpth='/sys\$share /sys\$library'
e518068a 75ld='Link'
76lddlflags='/Share'
fc1ce8cc 77ranlib='undef'
78ar='undef'
e518068a 79eunicefix=':'
c07a80fd 80hint='none'
fc1ce8cc 81hintfile='undef'
61bb5906 82useshrplib='define'
e518068a 83usemymalloc='n'
7aa5c81f 84usevfork='true'
c07a80fd 85spitshell='write sys\$output '
7aa5c81f 86dlsrc='dl_vms.c'
87binexp='$installbin'
88man1ext='rno'
89man3ext='rno'
90arch='VMS_$archsufx'
91archname='VMS_$archsufx'
09b7f37c 92bincompat3='undef'
93d_bincompat3='undef'
7aa5c81f 94osvers='$osvers'
95prefix='$prefix'
96builddir='$builddir'
97installbin='$installbin'
edc7bc49 98installscript='$installscript'
7aa5c81f 99installman1dir='$installman1dir'
100installman3dir='$installman3dir'
101installprivlib='$installprivlib'
102installarchlib='$installarchlib'
edc7bc49 103installsitelib='$installsitelib'
104installsitearch='$installsitearch'
774d564b 105path_sep='|'
106startperl='\$ perl 'f\$env("procedure")' 'p1' 'p2' 'p3' 'p4' 'p5' 'p6' 'p7' 'p8' !
4fdae800 107\$ exit++ + ++\$status != 0 and \$exit = \$status = undef;'
a0d0e21e 108EndOfIntro
109
748a9306 110foreach (@ARGV) {
111 ($key,$val) = split('=',$_,2);
e518068a 112 if ($key eq 'cc') { # Figure out which C compiler we're using
c07a80fd 113 my($cc,$ccflags) = split('/',$val,2);
114 my($d_attr);
115 $ccflags = "/$ccflags";
116 if ($ccflags =~s!/DECC!!ig) {
117 $cc .= '/DECC';
118 $cctype = 'decc';
119 $d_attr = 'undef';
120 }
121 elsif ($ccflags =~s!/VAXC!!ig) {
122 $cc .= '/VAXC';
123 $cctype = 'vaxc';
124 $d_attr = 'undef';
125 }
7aa5c81f 126 elsif (`$val/NoObject/NoList _nla0:/Version` =~ /GNU C version (\S+)/) {
c07a80fd 127 $cctype = 'gcc';
128 $d_attr = 'define';
7aa5c81f 129 print OUT "gccversion='$1'\n";
e518068a 130 }
131 elsif ($archsufx eq 'VAX' &&
71be2cbc 132 # Check exit status too, in case message is turned off
133 ( `$val/NoObject/NoList /prefix=all _nla0:` =~ /IVQUAL/ ||
134 $? == 0x38240 )) {
c07a80fd 135 $cctype = 'vaxc';
136 $d_attr = 'undef';
e518068a 137 }
138 else {
c07a80fd 139 $cctype = 'decc';
140 $d_attr = 'undef';
141 }
142 print OUT "vms_cc_type='$cctype'\n";
143 print OUT "d_attribut='$d_attr'\n";
144 print OUT "cc='$cc'\n";
145 if ( ($cctype eq 'decc' and $archsufx eq 'VAX') || $cctype eq 'gcc') {
146 # gcc and DECC for VAX requires filename in /object qualifier, so we
e518068a 147 # have to remove it here. Alas, this means we lose the user's
148 # object file suffix if it's not .obj.
c07a80fd 149 $ccflags =~ s#/obj(?:ect)?=[^/\s]+##i;
e518068a 150 }
61bb5906 151 $debug = $optimize = '';
152 while ( ($qual) = $ccflags =~ m|(/(No)?Deb[^/]*)|i ) {
153 $debug = $qual;
154 $ccflags =~ s/$qual//;
155 }
156 while ( ($qual) = $ccflags =~ m|(/(No)?Opt[^/]*)|i ) {
157 $optimize = $qual;
158 $ccflags =~ s/$qual//;
159 }
09b7f37c 160 $usethreads = ($ccflags =~ m!/DEF[^/]+USE_THREADS!i and
161 $ccflags !~ m!/UND[^/]+USE_THREADS!i);
162 print OUT "usethreads='",($usethreads ? 'define' : 'undef'),"'\n";;
61bb5906 163 $optimize = "$debug$optimize";
c07a80fd 164 print OUT "ccflags='$ccflags'\n";
61bb5906 165 print OUT "optimize='$optimize'\n";
c07a80fd 166 $dosock = ($ccflags =~ m!/DEF[^/]+VMS_DO_SOCKETS!i and
167 $ccflags !~ m!/UND[^/]+VMS_DO_SOCKETS!i);
7aa5c81f 168 print OUT "d_vms_do_sockets=",$dosock ? "'define'\n" : "'undef'\n";
169 print OUT "d_socket=",$dosock ? "'define'\n" : "'undef'\n";
170 print OUT "d_sockpair=",$dosock ? "'define'\n" : "'undef'\n";
171 print OUT "d_gethent=",$dosock ? "'define'\n" : "'undef'\n";
09b7f37c 172 print OUT "d_sethent=",$dosock ? "'define'\n" : "'undef'\n";
7aa5c81f 173 print OUT "d_select=",$dosock ? "'define'\n" : "'undef'\n";
fc1ce8cc 174 print OUT "i_netdb=",$dosock ? "'define'\n" : "'undef'\n";
7aa5c81f 175 print OUT "i_niin=",$dosock ? "'define'\n" : "'undef'\n";
176 print OUT "i_neterrno=",$dosock ? "'define'\n" : "'undef'\n";
09b7f37c 177 print OUT "d_gethbyname=",$dosock ? "'define'\n" : "'undef'\n";
178 print OUT "d_gethbyaddr=",$dosock ? "'define'\n" : "'undef'\n";
179 print OUT "d_getpbyname=",$dosock ? "'define'\n" : "'undef'\n";
180 print OUT "d_getpbynumber=",$dosock ? "'define'\n" : "'undef'\n";
181 print OUT "d_getsbyname=",$dosock ? "'define'\n" : "'undef'\n";
182 print OUT "d_getsbyport=",$dosock ? "'define'\n" : "'undef'\n";
17f28c40 183 print OUT "d_endhent=",$dosock ? "'define'\n" : "'undef'\n";
184 print OUT "d_getpent=",$dosock ? "'define'\n" : "'undef'\n";
185 print OUT "d_setpent=",$dosock ? "'define'\n" : "'undef'\n";
186 print OUT "d_endpent=",$dosock ? "'define'\n" : "'undef'\n";
187 print OUT "d_getsent=",$dosock ? "'define'\n" : "'undef'\n";
188 print OUT "d_setsent=",$dosock ? "'define'\n" : "'undef'\n";
189 print OUT "d_endsent=",$dosock ? "'define'\n" : "'undef'\n";
09b7f37c 190 print OUT "netdb_name_type=",$dosock ? "'char *'\n" : "'undef'\n";
191 print OUT "netdb_host_type=",$dosock ? "'char *'\n" : "'undef'\n";
192 print OUT "netdb_hlen_type=",$dosock ? "'int'\n" : "'undef'\n";
b7b1864f 193 print OUT "d_gethostprotos=",$dosock ? "'define'\n" : "'undef'\n";
194 print OUT "d_getnetprotos=",$dosock ? "'define'\n" : "'undef'\n";
195 print OUT "d_getservprotos=",$dosock ? "'define'\n" : "'undef'\n";
196 print OUT "d_getprotoprotos=",$dosock ? "'define'\n" : "'undef'\n";
fc1ce8cc 197
61bb5906 198 if ($dosock and $cctype eq 'decc' and $ccflags =~ /DECCRTL_SOCKETS/) {
fc1ce8cc 199 print OUT "selecttype='fd_set'\n";
09b7f37c 200 print OUT "d_getnbyaddr='define'\n";
201 print OUT "d_getnbyname='define'\n";
17f28c40 202 print OUT "d_getnent='define'\n";
203 print OUT "d_setnent='define'\n";
204 print OUT "d_endnent='define'\n";
09b7f37c 205 print OUT "netdb_net_type='long'\n";
fc1ce8cc 206 }
207 else {
208 print OUT "selecttype='int'\n";
09b7f37c 209 print OUT "d_getnybname='undef'\n";
210 print OUT "d_getnybaddr='undef'\n";
17f28c40 211 print OUT "d_getnent='undef'\n";
212 print OUT "d_setnent='undef'\n";
213 print OUT "d_endnent='undef'\n";
09b7f37c 214 print OUT "netdb_net_type='undef'\n";
61bb5906 215 }
edc7bc49 216
09b7f37c 217 if ($cctype eq 'decc') {
218 $rtlhas = 'define';
219 print OUT "useposix='true'\n";
220 ($ccver,$vmsver) = `$cc/VERSION` =~ /V(\S+) on .*V(\S+)$/;
221 # Best guess; the may be wrong on systems which have separately
222 # installed the new CRTL.
223 if ($ccver >= 5.2 and $vmsver >= 7) { $rtlnew = 'define'; }
224 else { $rtlnew = 'undef'; }
225 }
226 else { $rtlhas = $rtlnew = 'undef'; print OUT "useposix='false'\n"; }
36477c24 227 foreach (qw[ d_stdstdio d_stdio_ptr_lval d_stdio_cnt_lval d_stdiobase
228 d_locconv d_setlocale i_locale d_mbstowcs d_mbtowc
229 d_wcstombs d_wctomb d_mblen d_mktime d_strcoll d_strxfrm ]) {
230 print OUT "$_='$rtlhas'\n";
edc7bc49 231 }
09b7f37c 232 foreach (qw[ d_gettimeod d_uname d_truncate d_wait4 d_index
233 d_pathconf d_fpathconf d_sysconf d_sigsetjmp ]) {
234 print OUT "$_='$rtlnew'\n";
235 }
c07a80fd 236 next;
e518068a 237 }
7aa5c81f 238 elsif ($key eq 'exe_ext') {
239 my($nodot) = $val;
240 $nodot =~ s!\.!!;
241 print OUT "so='$nodot'\ndlext='$nodot'\n";
242 }
243 elsif ($key eq 'obj_ext') { print OUT "dlobj='dl_vms$val'\n"; }
244 print OUT "$key='$val'\n";
c07a80fd 245}
246
247# Are there any other logicals which TCP/IP stacks use for the host name?
248$myname = $ENV{'ARPANET_HOST_NAME'} || $ENV{'INTERNET_HOST_NAME'} ||
249 $ENV{'MULTINET_HOST_NAME'} || $ENV{'UCX$INET_HOST'} ||
250 $ENV{'TCPWARE_DOMAINNAME'} || $ENV{'NEWS_ADDRESS'};
251if (!$myname) {
252 ($myname) = `hostname` =~ /^(\S+)/;
253 if ($myname =~ /IVVERB/) {
254 warn "Can't determine TCP/IP hostname" if $dosock;
255 $myname = '';
e518068a 256 }
748a9306 257}
c07a80fd 258$myname = $ENV{'SYS$NODE'} unless $myname;
259($myhostname,$mydomain) = split(/\./,$myname,2);
260print OUT "myhostname='$myhostname'\n" if $myhostname;
261if ($mydomain) {
262 print OUT "mydomain='.$mydomain'\n";
263 print OUT "perladmin='$cf_by\@$myhostname.$mydomain'\n";
264 print OUT "cf_email='$cf_by\@$myhostname.$mydomain'\n";
265}
266else {
267 print OUT "perladmin='$cf_by'\n";
268 print OUT "cf_email='$cf_by'\n";
269}
270chomp($hwname = `Write Sys\$Output F\$GetSyi("HW_NAME")`);
271$hwname = $archsufx if $hwname =~ /IVKEYW/; # *really* old VMS version
272print OUT "myuname='VMS $myname $osvers $hwname'\n";
748a9306 273
7aa5c81f 274# Before we read the C header file, find out what config.sh constants are
275# equivalent to the C preprocessor macros
276if (open(SH,"${outdir}config_h.SH")) {
277 while (<SH>) {
278 next unless m%^#(?!if).*\$%;
279 s/^#//; s!(.*?)\s*/\*.*!$1!;
280 my(@words) = split;
281 $words[1] =~ s/\(.*//; # Clip off args from macro
282 # Did we use a shell variable for the preprocessor directive?
283 if ($words[0] =~ m!^\$(\w+)!) { $pp_vars{$words[1]} = $1; }
284 if (@words > 2) { # We may also have a shell var in the value
285 shift @words; # Discard preprocessor directive
286 my($token) = shift @words; # and keep constant name
287 my($word);
288 foreach $word (@words) {
289 next unless $word =~ m!\$(\w+)!;
290 $val_vars{$token} = $1;
291 last;
292 }
293 }
294 }
295 close SH;
296}
297else { warn "Couldn't read ${outdir}config_h.SH: $!\n"; }
298$pp_vars{UNLINK_ALL_VERSIONS} = 'd_unlink_all_versions'; # VMS_specific
299
300# OK, now read the C header file, and retcon statements into config.sh
a0d0e21e 301while (<IN>) { # roll through the comment header in Config.VMS
e518068a 302 last if /config-start/;
a0d0e21e 303}
304
305while (<IN>) {
306 chop;
307 while (/\\\s*$/) { # pick up contination lines
308 my $line = $_;
309 $line =~ s/\\\s*$//;
310 $_ = <IN>;
311 s/^\s*//;
312 $_ = $line . $_;
313 }
7aa5c81f 314 next unless my ($blocked,$un,$token,$val) =
315 m%^(\/\*)?\s*\#\s*(un)?def\w*\s+([A-Za-z0-9]\w+)\S*\s*(.*)%;
316 if (/config-skip/) {
317 delete $pp_vars{$token} if exists $pp_vars{$token};
318 delete $val_vars{$token} if exists $val_vars{$token};
319 next;
320 }
321 $val =~ s!\s*/\*.*!!; # strip off trailing comment
322 my($had_val); # Maybe a macro with args that we just #undefd or commented
323 if (!length($val) and $val_vars{$token} and ($un || $blocked)) {
aa689395 324 print OUT "$val_vars{$token}=''\n" unless exists $done{$val_vars{$token}};
325 $done{$val_vars{$token}}++;
7aa5c81f 326 delete $val_vars{$token};
327 $had_val = 1;
328 }
a0d0e21e 329 $state = ($blocked || $un) ? 'undef' : 'define';
7aa5c81f 330 if ($pp_vars{$token}) {
aa689395 331 print OUT "$pp_vars{$token}='$state'\n" unless exists $done{$pp_vars{$token}};
332 $done{$pp_vars{$token}}++;
7aa5c81f 333 delete $pp_vars{$token};
334 }
335 elsif (not length $val and not $had_val) {
336 # Wups -- should have been shell var for C preprocessor directive
337 warn "Constant $token not found in config_h.SH\n";
55497cff 338 $token = lc $token;
a0d0e21e 339 $token = "d_$token" unless $token =~ /^i_/;
e518068a 340 print OUT "$token='$state'\n";
748a9306 341 }
7aa5c81f 342 next unless length $val;
343 $val =~ s/^"//; $val =~ s/"$//; # remove end quotes
344 $val =~ s/","/ /g; # make signal list look nice
345 # Library directory; convert to VMS syntax
346 $val = VMS::Filespec::vmspath($val) if ($token =~ /EXP$/);
347 if ($val_vars{$token}) {
aa689395 348 print OUT "$val_vars{$token}='$val'\n" unless exists $done{$val_vars{$token}};
349 if ($val_vars{$token} =~ s/exp$//) {
350 print OUT "$val_vars{$token}='$val'\n" unless exists $done{$val_vars{$token}};;
351 }
352 $done{$val_vars{$token}}++;
7aa5c81f 353 delete $val_vars{$token};
354 }
355 elsif (!$pp_vars{$token}) { # Haven't seen it previously, either
356 warn "Constant $token not found in config_h.SH (val=|$val|)\n";
55497cff 357 $token = lc $token;
7aa5c81f 358 print OUT "$token='$val'\n";
359 if ($token =~ s/exp$//) {print OUT "$token='$val'\n";}
360 }
a0d0e21e 361}
362close IN;
7aa5c81f 363# Special case -- preprocessor manifest "VMS" is defined automatically
364# on VMS systems, but is also used erroneously by the Perl build process
365# as the manifest for the obsolete variable $d_eunice.
366print OUT "d_eunice='undef'\n"; delete $pp_vars{VMS};
a0d0e21e 367
09b7f37c 368# XXX temporary -- USE_THREADS is currently on CC command line
369delete $pp_vars{'USE_THREADS'};
370
7aa5c81f 371foreach (sort keys %pp_vars) {
372 warn "Didn't see $_ in $infile\n";
373}
374foreach (sort keys %val_vars) {
375 warn "Didn't see $_ in $infile(val)\n";
748a9306 376}
a0d0e21e 377
e518068a 378if (open(OPT,"${outdir}crtl.opt")) {
379 while (<OPT>) {
380 next unless m#/(sha|lib)#i;
381 chomp;
c07a80fd 382 if (/crtl/i || /gcclib/i) { push(@crtls,$_); }
383 else { push(@libs,$_); }
e518068a 384 }
385 close OPT;
386 print OUT "libs='",join(' ',@libs),"'\n";
c07a80fd 387 push(@crtls,'(DECCRTL)') if $cctype eq 'decc';
388 print OUT "libc='",join(' ',@crtls),"'\n";
389}
390else { warn "Can't read ${outdir}crtl.opt - skipping 'libs' & 'libc'"; }
391
392if (open(PL,"${outdir}patchlevel.h")) {
393 while (<PL>) {
cceca5ed 394 if (/^#define PERL_VERSION\s+(\S+)/) {
395 print OUT "PERL_VERSION='$1'\n";
396 print OUT "PATCHLEVEL='$1'\n"; # XXX compat
397 }
398 elsif (/^#define PERL_SUBVERSION\s+(\S+)/) {
399 print OUT "PERL_SUBVERSION='$1'\n";
400 print OUT "SUBVERSION='$1'\n"; # XXX compat
401 }
c07a80fd 402 }
403 close PL;
e518068a 404}
c07a80fd 405else { warn "Can't read ${outdir}patchlevel.h - skipping 'PATCHLEVEL'"; }
e518068a 406
7aa5c81f 407# simple pager support for perldoc
bbce6d69 408if (`most not..file` =~ /IVVERB/) {
e518068a 409 $pager = 'more';
410 if (`more nl:` =~ /IVVERB/) { $pager = 'type/page'; }
411}
412else { $pager = 'most'; }
413print OUT "pager='$pager'\n";
414
415close OUT;