source: trunk/essentials/dev-lang/perl/vms/genconfig.pl

Last change on this file was 3181, checked in by bird, 18 years ago

perl 5.8.8
File size: 15.0 KB
Line 
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
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.
8#
9# Rev. 16-Feb-1998 Charles Bailey bailey@newman.upenn.edu
10#
11
12#==== Locations of installed Perl components
13$prefix='perl_root';
14$builddir="$prefix:[000000]";
15$installbin="$prefix:[000000]";
16$installscript="$prefix:[000000]";
17$installman1dir="$prefix:[man.man1]";
18$installman3dir="$prefix:[man.man3]";
19$installprivlib="$prefix:[lib]";
20$installsitelib="$prefix:[lib.site_perl]";
21
22unshift(@INC,'lib'); # In case someone didn't define Perl_Root
23 # before the build
24
25if ($ARGV[0] eq '-f') {
26 open(ARGS,$ARGV[1]) or die "Can't read data from $ARGV[1]: $!\n";
27 @ARGV = ();
28 while (<ARGS>) {
29 chomp;
30 push(@ARGV,split(/\|/,$_));
31 }
32 close ARGS;
33}
34
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: $!\n";
49
50$time = localtime;
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\]#;
56$installsitearch = VMS::Filespec::vmspath($installsitelib);
57$installsitearch =~ s#\]#.VMS_$archsufx\]#;
58($osvers = `Write Sys\$Output F\$GetSyi("VERSION")`) =~ s/^V?(\S+)\s*\n?$/$1/;
59
60print OUT <<EndOfIntro;
61# This file generated by GenConfig.pl on a VMS system.
62# Input obtained from:
63# $infile
64# $0
65# Time: $time
66
67package='perl5'
68CONFIG='true'
69cf_time='$time'
70cf_by='$cf_by'
71ccdlflags='undef'
72cccdlflags='undef'
73mab='undef'
74libpth='/sys\$share /sys\$library'
75ld='Link'
76lddlflags='/Share'
77ranlib='undef'
78ar='undef'
79eunicefix=':'
80hint='none'
81hintfile='undef'
82useshrplib='define'
83usemymalloc='n'
84usevfork='true'
85spitshell='write sys\$output '
86dlsrc='dl_vms.c'
87binexp='$installbin'
88man1ext='rno'
89man3ext='rno'
90arch='VMS_$archsufx'
91archname='VMS_$archsufx'
92bincompat3='undef'
93d_bincompat3='undef'
94osvers='$osvers'
95prefix='$prefix'
96builddir='$builddir'
97installbin='$installbin'
98installscript='$installscript'
99installman1dir='$installman1dir'
100installman3dir='$installman3dir'
101installprivlib='$installprivlib'
102installarchlib='$installarchlib'
103installsitelib='$installsitelib'
104installsitearch='$installsitearch'
105path_sep='|'
106startperl='\$ perl 'f\$env("procedure")' 'p1' 'p2' 'p3' 'p4' 'p5' 'p6' 'p7' 'p8' !
107\$ exit++ + ++\$status != 0 and \$exit = \$status = undef;'
108EndOfIntro
109
110foreach (@ARGV) {
111 ($key,$val) = split('=',$_,2);
112 if ($key eq 'cc') { # Figure out which C compiler we're using
113 my($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 $d_attr = 'undef';
125 }
126 elsif (`$val/NoObject/NoList _nla0:/Version` =~ /GNU C version (\S+)/) {
127 $cctype = 'gcc';
128 $d_attr = 'define';
129 print OUT "gccversion='$1'\n";
130 }
131 elsif ($archsufx eq 'VAX' &&
132 # Check exit status too, in case message is turned off
133 ( `$val/NoObject/NoList /prefix=all _nla0:` =~ /IVQUAL/ ||
134 $? == 0x38240 )) {
135 $cctype = 'vaxc';
136 $d_attr = 'undef';
137 }
138 else {
139 $cctype = 'decc';
140 $d_attr = 'undef';
141 }
142 print OUT "vms_cc_type='$cctype'\n";
143 print OUT "d_attribute_format='$d_attr'\n";
144 # XXX The following attributes may be able to use $d_attr, too.
145 print OUT "d_attribute_malloc='undef'\n";
146 print OUT "d_attribute_nonnull='undef'\n";
147 print OUT "d_attribute_noreturn='undef'\n";
148 print OUT "d_attribute_pure='undef'\n";
149 print OUT "d_attribute_unused='undef'\n";
150 print OUT "d_attribute_warn_unused_result='undef'\n";
151 print OUT "cc='$cc'\n";
152 if ( ($cctype eq 'decc' and $archsufx eq 'VAX') || $cctype eq 'gcc') {
153 # gcc and DECC for VAX requires filename in /object qualifier, so we
154 # have to remove it here. Alas, this means we lose the user's
155 # object file suffix if it's not .obj.
156 $ccflags =~ s#/obj(?:ect)?=[^/\s]+##i;
157 }
158 $debug = $optimize = '';
159 while ( ($qual) = $ccflags =~ m|(/(No)?Deb[^/]*)|i ) {
160 $debug = $qual;
161 $ccflags =~ s/$qual//;
162 }
163 while ( ($qual) = $ccflags =~ m|(/(No)?Opt[^/]*)|i ) {
164 $optimize = $qual;
165 $ccflags =~ s/$qual//;
166 }
167 $usethreads = ($ccflags =~ m!/DEF[^/]+USE_5005THREADS!i and
168 $ccflags !~ m!/UND[^/]+USE_5005THREADS!i);
169 print OUT "usethreads='",($usethreads ? 'define' : 'undef'),"'\n";;
170 $optimize = "$debug$optimize";
171 print OUT "ccflags='$ccflags'\n";
172 print OUT "optimize='$optimize'\n";
173 $dosock = ($ccflags =~ m!/DEF[^/]+VMS_DO_SOCKETS!i and
174 $ccflags !~ m!/UND[^/]+VMS_DO_SOCKETS!i);
175 print OUT "d_vms_do_sockets=",$dosock ? "'define'\n" : "'undef'\n";
176 print OUT "d_socket=",$dosock ? "'define'\n" : "'undef'\n";
177 print OUT "d_sockpair=",$dosock ? "'define'\n" : "'undef'\n";
178 print OUT "d_gethent=",$dosock ? "'define'\n" : "'undef'\n";
179 print OUT "d_sethent=",$dosock ? "'define'\n" : "'undef'\n";
180 print OUT "d_select=",$dosock ? "'define'\n" : "'undef'\n";
181 print OUT "i_netdb=",$dosock ? "'define'\n" : "'undef'\n";
182 print OUT "i_niin=",$dosock ? "'define'\n" : "'undef'\n";
183 print OUT "i_neterrno=",$dosock ? "'define'\n" : "'undef'\n";
184 print OUT "d_gethbyname=",$dosock ? "'define'\n" : "'undef'\n";
185 print OUT "d_gethbyaddr=",$dosock ? "'define'\n" : "'undef'\n";
186 print OUT "d_getpbyname=",$dosock ? "'define'\n" : "'undef'\n";
187 print OUT "d_getpbynumber=",$dosock ? "'define'\n" : "'undef'\n";
188 print OUT "d_getsbyname=",$dosock ? "'define'\n" : "'undef'\n";
189 print OUT "d_getsbyport=",$dosock ? "'define'\n" : "'undef'\n";
190 print OUT "d_endhent=",$dosock ? "'define'\n" : "'undef'\n";
191 print OUT "d_getpent=",$dosock ? "'define'\n" : "'undef'\n";
192 print OUT "d_setpent=",$dosock ? "'define'\n" : "'undef'\n";
193 print OUT "d_endpent=",$dosock ? "'define'\n" : "'undef'\n";
194 print OUT "d_getsent=",$dosock ? "'define'\n" : "'undef'\n";
195 print OUT "d_setsent=",$dosock ? "'define'\n" : "'undef'\n";
196 print OUT "d_endsent=",$dosock ? "'define'\n" : "'undef'\n";
197 print OUT "netdb_name_type=",$dosock ? "'char *'\n" : "'undef'\n";
198 print OUT "netdb_host_type=",$dosock ? "'char *'\n" : "'undef'\n";
199 print OUT "netdb_hlen_type=",$dosock ? "'int'\n" : "'undef'\n";
200 print OUT "d_gethostprotos=",$dosock ? "'define'\n" : "'undef'\n";
201 print OUT "d_getnetprotos=",$dosock ? "'define'\n" : "'undef'\n";
202 print OUT "d_getservprotos=",$dosock ? "'define'\n" : "'undef'\n";
203 print OUT "d_getprotoprotos=",$dosock ? "'define'\n" : "'undef'\n";
204
205 if ($dosock and $cctype eq 'decc' and $ccflags =~ /DECCRTL_SOCKETS/) {
206 print OUT "selecttype='fd_set'\n";
207 print OUT "d_getnbyaddr='define'\n";
208 print OUT "d_getnbyname='define'\n";
209 print OUT "d_getnent='define'\n";
210 print OUT "d_setnent='define'\n";
211 print OUT "d_endnent='define'\n";
212 print OUT "netdb_net_type='long'\n";
213 }
214 else {
215 print OUT "selecttype='int'\n";
216 print OUT "d_getnybname='undef'\n";
217 print OUT "d_getnybaddr='undef'\n";
218 print OUT "d_getnent='undef'\n";
219 print OUT "d_setnent='undef'\n";
220 print OUT "d_endnent='undef'\n";
221 print OUT "netdb_net_type='undef'\n";
222 }
223
224 if ($cctype eq 'decc') {
225 $rtlhas = 'define';
226 print OUT "useposix='true'\n";
227 ($ccver,$vmsver) = `$cc/VERSION` =~ /V(\S+) on .*V(\S+)$/;
228 # Best guess; the may be wrong on systems which have separately
229 # installed the new CRTL.
230 if ($ccver >= 5.2 and $vmsver >= 7) { $rtlnew = 'define'; }
231 else { $rtlnew = 'undef'; }
232 }
233 else { $rtlhas = $rtlnew = 'undef'; print OUT "useposix='false'\n"; }
234 foreach (qw[ d_stdstdio d_stdio_ptr_lval d_stdio_cnt_lval d_stdiobase
235 d_locconv d_setlocale i_locale d_mbstowcs d_mbtowc
236 d_wcstombs d_wctomb d_mblen d_mktime d_strcoll d_strxfrm ]) {
237 print OUT "$_='$rtlhas'\n";
238 }
239 print OUT "d_stdio_ptr_lval_sets_cnt='undef'\n";
240 print OUT "d_stdio_ptr_lval_nochange_cnt='undef'\n";
241 foreach (qw[ d_gettimeod d_uname d_truncate d_wait4 d_index
242 d_pathconf d_fpathconf d_sysconf d_sigsetjmp ]) {
243 print OUT "$_='$rtlnew'\n";
244 }
245 next;
246 }
247 elsif ($key eq 'exe_ext') {
248 my($nodot) = $val;
249 $nodot =~ s!\.!!;
250 print OUT "so='$nodot'\ndlext='$nodot'\n";
251 }
252 elsif ($key eq 'obj_ext') { print OUT "dlobj='dl_vms$val'\n"; }
253 print OUT "$key='$val'\n";
254}
255
256# Are there any other logicals which TCP/IP stacks use for the host name?
257$myname = $ENV{'ARPANET_HOST_NAME'} || $ENV{'INTERNET_HOST_NAME'} ||
258 $ENV{'MULTINET_HOST_NAME'} || $ENV{'UCX$INET_HOST'} ||
259 $ENV{'TCPWARE_DOMAINNAME'} || $ENV{'NEWS_ADDRESS'};
260if (!$myname) {
261 ($myname) = `hostname` =~ /^(\S+)/;
262 if ($myname =~ /IVVERB/) {
263 warn "Can't determine TCP/IP hostname" if $dosock;
264 $myname = '';
265 }
266}
267$myname = $ENV{'SYS$NODE'} unless $myname;
268($myhostname,$mydomain) = split(/\./,$myname,2);
269print OUT "myhostname='$myhostname'\n" if $myhostname;
270if ($mydomain) {
271 print OUT "mydomain='.$mydomain'\n";
272 print OUT "perladmin='$cf_by\@$myhostname.$mydomain'\n";
273 print OUT "cf_email='$cf_by\@$myhostname.$mydomain'\n";
274}
275else {
276 print OUT "perladmin='$cf_by'\n";
277 print OUT "cf_email='$cf_by'\n";
278}
279chomp($hwname = `Write Sys\$Output F\$GetSyi("HW_NAME")`);
280$hwname = $archsufx if $hwname =~ /IVKEYW/; # *really* old VMS version
281print OUT "myuname='VMS $myname $osvers $hwname'\n";
282
283# Before we read the C header file, find out what config.sh constants are
284# equivalent to the C preprocessor macros
285if (open(SH,"${outdir}config_h.SH")) {
286 while (<SH>) {
287 next unless m%^#(?!if).*\$%;
288 s/^#//; s!(.*?)\s*/\*.*!$1!;
289 my(@words) = split;
290 $words[1] =~ s/\(.*//; # Clip off args from macro
291 # Did we use a shell variable for the preprocessor directive?
292 if ($words[0] =~ m!^\$(\w+)!) { $pp_vars{$words[1]} = $1; }
293 if (@words > 2) { # We may also have a shell var in the value
294 shift @words; # Discard preprocessor directive
295 my($token) = shift @words; # and keep constant name
296 my($word);
297 foreach $word (@words) {
298 next unless $word =~ m!\$(\w+)!;
299 $val_vars{$token} = $1;
300 last;
301 }
302 }
303 }
304 close SH;
305}
306else { warn "Couldn't read ${outdir}config_h.SH: $!\n"; }
307$pp_vars{UNLINK_ALL_VERSIONS} = 'd_unlink_all_versions'; # VMS_specific
308
309# OK, now read the C header file, and retcon statements into config.sh
310while (<IN>) { # roll through the comment header in Config.VMS
311 last if /config-start/;
312}
313
314while (<IN>) {
315 chop;
316 while (/\\\s*$/) { # pick up contination lines
317 my $line = $_;
318 $line =~ s/\\\s*$//;
319 $_ = <IN>;
320 s/^\s*//;
321 $_ = $line . $_;
322 }
323 next unless my ($blocked,$un,$token,$val) =
324 m%^(\/\*)?\s*\#\s*(un)?def\w*\s+([A-Za-z0-9]\w+)\S*\s*(.*)%;
325 if (/config-skip/) {
326 delete $pp_vars{$token} if exists $pp_vars{$token};
327 delete $val_vars{$token} if exists $val_vars{$token};
328 next;
329 }
330 $val =~ s!\s*/\*.*!!; # strip off trailing comment
331 my($had_val); # Maybe a macro with args that we just #undefd or commented
332 if (!length($val) and $val_vars{$token} and ($un || $blocked)) {
333 print OUT "$val_vars{$token}=''\n" unless exists $done{$val_vars{$token}};
334 $done{$val_vars{$token}}++;
335 delete $val_vars{$token};
336 $had_val = 1;
337 }
338 $state = ($blocked || $un) ? 'undef' : 'define';
339 if ($pp_vars{$token}) {
340 print OUT "$pp_vars{$token}='$state'\n" unless exists $done{$pp_vars{$token}};
341 $done{$pp_vars{$token}}++;
342 delete $pp_vars{$token};
343 }
344 elsif (not length $val and not $had_val) {
345 # Wups -- should have been shell var for C preprocessor directive
346 warn "Constant $token not found in config_h.SH\n";
347 $token = lc $token;
348 $token = "d_$token" unless $token =~ /^i_/;
349 print OUT "$token='$state'\n";
350 }
351 next unless length $val;
352 $val =~ s/^"//; $val =~ s/"$//; # remove end quotes
353 $val =~ s/","/ /g; # make signal list look nice
354 # Library directory; convert to VMS syntax
355 $val = VMS::Filespec::vmspath($val) if ($token =~ /EXP$/);
356 if ($val_vars{$token}) {
357 print OUT "$val_vars{$token}='$val'\n" unless exists $done{$val_vars{$token}};
358 if ($val_vars{$token} =~ s/exp$//) {
359 print OUT "$val_vars{$token}='$val'\n" unless exists $done{$val_vars{$token}};;
360 }
361 $done{$val_vars{$token}}++;
362 delete $val_vars{$token};
363 }
364 elsif (!$pp_vars{$token}) { # Haven't seen it previously, either
365 warn "Constant $token not found in config_h.SH (val=|$val|)\n";
366 $token = lc $token;
367 print OUT "$token='$val'\n";
368 if ($token =~ s/exp$//) {print OUT "$token='$val'\n";}
369 }
370}
371close IN;
372# Special case -- preprocessor manifest "VMS" is defined automatically
373# on VMS systems, but is also used erroneously by the Perl build process
374# as the manifest for the obsolete variable $d_eunice.
375print OUT "d_eunice='undef'\n"; delete $pp_vars{VMS};
376
377# XXX temporary -- USE_5005THREADS is currently on CC command line
378delete $pp_vars{'USE_5005THREADS'};
379
380foreach (sort keys %pp_vars) {
381 warn "Didn't see $_ in $infile\n";
382}
383foreach (sort keys %val_vars) {
384 warn "Didn't see $_ in $infile(val)\n";
385}
386
387if (open(OPT,"${outdir}crtl.opt")) {
388 while (<OPT>) {
389 next unless m#/(sha|lib)#i;
390 chomp;
391 if (/crtl/i || /gcclib/i) { push(@crtls,$_); }
392 else { push(@libs,$_); }
393 }
394 close OPT;
395 print OUT "libs='",join(' ',@libs),"'\n";
396 push(@crtls,'(DECCRTL)') if $cctype eq 'decc';
397 print OUT "libc='",join(' ',@crtls),"'\n";
398}
399else { warn "Can't read ${outdir}crtl.opt - skipping 'libs' & 'libc'"; }
400
401if (open(PL,"${outdir}patchlevel.h")) {
402 while (<PL>) {
403 if (/^#define PERL_VERSION\s+(\S+)/) {
404 print OUT "PERL_VERSION='$1'\n";
405 print OUT "PATCHLEVEL='$1'\n"; # XXX compat
406 }
407 elsif (/^#define PERL_SUBVERSION\s+(\S+)/) {
408 print OUT "PERL_SUBVERSION='$1'\n";
409 print OUT "SUBVERSION='$1'\n"; # XXX compat
410 }
411 }
412 close PL;
413}
414else { warn "Can't read ${outdir}patchlevel.h - skipping 'PATCHLEVEL'"; }
415
416# simple pager support for perldoc
417if (`most not..file` =~ /IVVERB/) {
418 $pager = 'more';
419 if (`more nl:` =~ /IVVERB/) { $pager = 'type/page'; }
420}
421else { $pager = 'most'; }
422print OUT "pager='$pager'\n";
423
424close OUT;
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