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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 |
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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. |
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8 | # |
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9 | # Rev. 2-Oct-1996 Charles Bailey bailey@genetics.upenn.edu |
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10 | # |
11 | |
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12 | #==== Locations of installed Perl components |
13 | $prefix='perl_root'; |
14 | $builddir="$prefix:[000000]"; |
15 | $installbin="$prefix:[000000]"; |
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16 | $installscript="$prefix:[000000]"; |
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17 | $installman1dir="$prefix:[man.man1]"; |
18 | $installman3dir="$prefix:[man.man3]"; |
19 | $installprivlib="$prefix:[lib]"; |
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20 | $installsitelib="$prefix:[lib.site_perl]"; |
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21 | |
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22 | unshift(@INC,'lib'); # In case someone didn't define Perl_Root |
23 | # before the build |
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24 | |
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25 | if ($ARGV[0] eq '-f') { |
26 | open(ARGS,$ARGV[1]) or die "Can't read data from $ARGV[1]: $!\n"; |
27 | @ARGV = (); |
28 | while (<ARGS>) { |
29 | push(@ARGV,split(/\|/,$_)); |
30 | } |
31 | close ARGS; |
32 | } |
33 | |
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34 | if (-f "config.vms") { $infile = "config.vms"; $outdir = "[-]"; } |
35 | elsif (-f "[.vms]config.vms") { $infile = "[.vms]config.vms"; $outdir = "[]"; } |
36 | elsif (-f "config.h") { $infile = "config.h"; $outdir = "[]";} |
37 | |
38 | if ($infile) { print "Generating Config.sh from $infile . . .\n"; } |
39 | else { die <<EndOfGasp; |
40 | Can't find config.vms or config.h to read! |
41 | Please run this script from the perl source directory or |
42 | the VMS subdirectory in the distribution. |
43 | EndOfGasp |
44 | } |
45 | $outdir = ''; |
46 | open(IN,"$infile") || die "Can't open $infile: $!\n"; |
47 | open(OUT,">${outdir}Config.sh") || die "Can't open ${outdir}Config.sh: $!\n"; |
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48 | |
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49 | $time = localtime; |
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50 | $cf_by = (getpwuid($<))[0]; |
51 | $archsufx = `Write Sys\$Output F\$GetSyi("HW_MODEL")` > 1024 ? 'AXP' : 'VAX'; |
52 | ($vers = $]) =~ tr/./_/; |
53 | $installarchlib = VMS::Filespec::vmspath($installprivlib); |
54 | $installarchlib =~ s#\]#.VMS_$archsufx.$vers\]#; |
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55 | $installsitearch = VMS::Filespec::vmspath($installsitelib); |
56 | $installsitearch =~ s#\]#.VMS_$archsufx\]#; |
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57 | ($osvers = `Write Sys\$Output F\$GetSyi("VERSION")`) =~ s/^V?(\S+)\s*\n?$/$1/; |
58 | |
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59 | print OUT <<EndOfIntro; |
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60 | # This file generated by GenConfig.pl on a VMS system. |
61 | # Input obtained from: |
62 | # $infile |
63 | # $0 |
64 | # Time: $time |
65 | |
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66 | package='perl5' |
67 | CONFIG='true' |
68 | cf_time='$time' |
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69 | cf_by='$cf_by' |
70 | ccdlflags='' |
71 | cccdlflags='' |
72 | mab='' |
73 | libpth='/sys\$share /sys\$library' |
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74 | ld='Link' |
75 | lddlflags='/Share' |
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76 | ranlib='' |
77 | ar='' |
78 | eunicefix=':' |
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79 | hint='none' |
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80 | hintfile='' |
81 | intsize='4' |
82 | alignbytes='8' |
83 | shrplib='define' |
84 | usemymalloc='n' |
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85 | usevfork='true' |
86 | useposix='false' |
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87 | spitshell='write sys\$output ' |
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88 | dlsrc='dl_vms.c' |
89 | binexp='$installbin' |
90 | man1ext='rno' |
91 | man3ext='rno' |
92 | arch='VMS_$archsufx' |
93 | archname='VMS_$archsufx' |
94 | osvers='$osvers' |
95 | prefix='$prefix' |
96 | builddir='$builddir' |
97 | installbin='$installbin' |
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98 | installscript='$installscript' |
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99 | installman1dir='$installman1dir' |
100 | installman3dir='$installman3dir' |
101 | installprivlib='$installprivlib' |
102 | installarchlib='$installarchlib' |
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103 | installsitelib='$installsitelib' |
104 | installsitearch='$installsitearch' |
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105 | EndOfIntro |
106 | |
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107 | foreach (@ARGV) { |
108 | ($key,$val) = split('=',$_,2); |
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109 | if ($key eq 'cc') { # Figure out which C compiler we're using |
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110 | my($cc,$ccflags) = split('/',$val,2); |
111 | my($d_attr); |
112 | $ccflags = "/$ccflags"; |
113 | if ($ccflags =~s!/DECC!!ig) { |
114 | $cc .= '/DECC'; |
115 | $cctype = 'decc'; |
116 | $d_attr = 'undef'; |
117 | } |
118 | elsif ($ccflags =~s!/VAXC!!ig) { |
119 | $cc .= '/VAXC'; |
120 | $cctype = 'vaxc'; |
121 | $d_attr = 'undef'; |
122 | } |
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123 | elsif (`$val/NoObject/NoList _nla0:/Version` =~ /GNU C version (\S+)/) { |
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124 | $cctype = 'gcc'; |
125 | $d_attr = 'define'; |
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126 | print OUT "gccversion='$1'\n"; |
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127 | } |
128 | elsif ($archsufx eq 'VAX' && |
129 | `$val/NoObject/NoList /prefix=all _nla0:` =~ /IVQUAL/) { |
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130 | $cctype = 'vaxc'; |
131 | $d_attr = 'undef'; |
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132 | } |
133 | else { |
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134 | $cctype = 'decc'; |
135 | $d_attr = 'undef'; |
136 | } |
137 | print OUT "vms_cc_type='$cctype'\n"; |
138 | print OUT "d_attribut='$d_attr'\n"; |
139 | print OUT "cc='$cc'\n"; |
140 | if ( ($cctype eq 'decc' and $archsufx eq 'VAX') || $cctype eq 'gcc') { |
141 | # gcc and DECC for VAX requires filename in /object qualifier, so we |
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142 | # have to remove it here. Alas, this means we lose the user's |
143 | # object file suffix if it's not .obj. |
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144 | $ccflags =~ s#/obj(?:ect)?=[^/\s]+##i; |
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145 | } |
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146 | print OUT "ccflags='$ccflags'\n"; |
147 | $dosock = ($ccflags =~ m!/DEF[^/]+VMS_DO_SOCKETS!i and |
148 | $ccflags !~ m!/UND[^/]+VMS_DO_SOCKETS!i); |
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149 | print OUT "d_vms_do_sockets=",$dosock ? "'define'\n" : "'undef'\n"; |
150 | print OUT "d_socket=",$dosock ? "'define'\n" : "'undef'\n"; |
151 | print OUT "d_sockpair=",$dosock ? "'define'\n" : "'undef'\n"; |
152 | print OUT "d_gethent=",$dosock ? "'define'\n" : "'undef'\n"; |
153 | print OUT "d_select=",$dosock ? "'define'\n" : "'undef'\n"; |
154 | print OUT "i_niin=",$dosock ? "'define'\n" : "'undef'\n"; |
155 | print OUT "i_neterrno=",$dosock ? "'define'\n" : "'undef'\n"; |
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156 | |
157 | if ($cctype eq 'decc') { |
158 | print OUT "d_stdstdio='define'\n"; |
159 | print OUT "d_stdio_ptr_lval='define'\n"; |
160 | print OUT "d_stdio_cnt_lval='define'\n"; |
161 | print OUT "d_stdiobase='define'\n"; |
162 | } |
163 | else { |
164 | print OUT "d_stdstdio='undef'\n"; |
165 | print OUT "d_stdio_ptr_lval='undef'\n"; |
166 | print OUT "d_stdio_cnt_lval='undef'\n"; |
167 | print OUT "d_stdiobase='undef'\n"; |
168 | } |
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169 | next; |
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170 | } |
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171 | elsif ($key eq 'exe_ext') { |
172 | my($nodot) = $val; |
173 | $nodot =~ s!\.!!; |
174 | print OUT "so='$nodot'\ndlext='$nodot'\n"; |
175 | } |
176 | elsif ($key eq 'obj_ext') { print OUT "dlobj='dl_vms$val'\n"; } |
177 | print OUT "$key='$val'\n"; |
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178 | } |
179 | |
180 | # Are there any other logicals which TCP/IP stacks use for the host name? |
181 | $myname = $ENV{'ARPANET_HOST_NAME'} || $ENV{'INTERNET_HOST_NAME'} || |
182 | $ENV{'MULTINET_HOST_NAME'} || $ENV{'UCX$INET_HOST'} || |
183 | $ENV{'TCPWARE_DOMAINNAME'} || $ENV{'NEWS_ADDRESS'}; |
184 | if (!$myname) { |
185 | ($myname) = `hostname` =~ /^(\S+)/; |
186 | if ($myname =~ /IVVERB/) { |
187 | warn "Can't determine TCP/IP hostname" if $dosock; |
188 | $myname = ''; |
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189 | } |
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190 | } |
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191 | $myname = $ENV{'SYS$NODE'} unless $myname; |
192 | ($myhostname,$mydomain) = split(/\./,$myname,2); |
193 | print OUT "myhostname='$myhostname'\n" if $myhostname; |
194 | if ($mydomain) { |
195 | print OUT "mydomain='.$mydomain'\n"; |
196 | print OUT "perladmin='$cf_by\@$myhostname.$mydomain'\n"; |
197 | print OUT "cf_email='$cf_by\@$myhostname.$mydomain'\n"; |
198 | } |
199 | else { |
200 | print OUT "perladmin='$cf_by'\n"; |
201 | print OUT "cf_email='$cf_by'\n"; |
202 | } |
203 | chomp($hwname = `Write Sys\$Output F\$GetSyi("HW_NAME")`); |
204 | $hwname = $archsufx if $hwname =~ /IVKEYW/; # *really* old VMS version |
205 | print OUT "myuname='VMS $myname $osvers $hwname'\n"; |
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206 | |
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207 | # Before we read the C header file, find out what config.sh constants are |
208 | # equivalent to the C preprocessor macros |
209 | if (open(SH,"${outdir}config_h.SH")) { |
210 | while (<SH>) { |
211 | next unless m%^#(?!if).*\$%; |
212 | s/^#//; s!(.*?)\s*/\*.*!$1!; |
213 | my(@words) = split; |
214 | $words[1] =~ s/\(.*//; # Clip off args from macro |
215 | # Did we use a shell variable for the preprocessor directive? |
216 | if ($words[0] =~ m!^\$(\w+)!) { $pp_vars{$words[1]} = $1; } |
217 | if (@words > 2) { # We may also have a shell var in the value |
218 | shift @words; # Discard preprocessor directive |
219 | my($token) = shift @words; # and keep constant name |
220 | my($word); |
221 | foreach $word (@words) { |
222 | next unless $word =~ m!\$(\w+)!; |
223 | $val_vars{$token} = $1; |
224 | last; |
225 | } |
226 | } |
227 | } |
228 | close SH; |
229 | } |
230 | else { warn "Couldn't read ${outdir}config_h.SH: $!\n"; } |
231 | $pp_vars{UNLINK_ALL_VERSIONS} = 'd_unlink_all_versions'; # VMS_specific |
232 | |
233 | # OK, now read the C header file, and retcon statements into config.sh |
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234 | while (<IN>) { # roll through the comment header in Config.VMS |
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235 | last if /config-start/; |
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236 | } |
237 | |
238 | while (<IN>) { |
239 | chop; |
240 | while (/\\\s*$/) { # pick up contination lines |
241 | my $line = $_; |
242 | $line =~ s/\\\s*$//; |
243 | $_ = <IN>; |
244 | s/^\s*//; |
245 | $_ = $line . $_; |
246 | } |
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247 | next unless my ($blocked,$un,$token,$val) = |
248 | m%^(\/\*)?\s*\#\s*(un)?def\w*\s+([A-Za-z0-9]\w+)\S*\s*(.*)%; |
249 | if (/config-skip/) { |
250 | delete $pp_vars{$token} if exists $pp_vars{$token}; |
251 | delete $val_vars{$token} if exists $val_vars{$token}; |
252 | next; |
253 | } |
254 | $val =~ s!\s*/\*.*!!; # strip off trailing comment |
255 | my($had_val); # Maybe a macro with args that we just #undefd or commented |
256 | if (!length($val) and $val_vars{$token} and ($un || $blocked)) { |
257 | print OUT "$val_vars{$token}=''\n"; |
258 | delete $val_vars{$token}; |
259 | $had_val = 1; |
260 | } |
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261 | $state = ($blocked || $un) ? 'undef' : 'define'; |
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262 | if ($pp_vars{$token}) { |
263 | print OUT "$pp_vars{$token}='$state'\n"; |
264 | delete $pp_vars{$token}; |
265 | } |
266 | elsif (not length $val and not $had_val) { |
267 | # Wups -- should have been shell var for C preprocessor directive |
268 | warn "Constant $token not found in config_h.SH\n"; |
269 | $token =~ tr/A-Z/a-z/; |
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270 | $token = "d_$token" unless $token =~ /^i_/; |
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271 | print OUT "$token='$state'\n"; |
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272 | } |
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273 | next unless length $val; |
274 | $val =~ s/^"//; $val =~ s/"$//; # remove end quotes |
275 | $val =~ s/","/ /g; # make signal list look nice |
276 | # Library directory; convert to VMS syntax |
277 | $val = VMS::Filespec::vmspath($val) if ($token =~ /EXP$/); |
278 | if ($val_vars{$token}) { |
279 | print OUT "$val_vars{$token}='$val'\n"; |
280 | if ($val_vars{$token} =~ s/exp$//) {print OUT "$val_vars{$token}='$val'\n";} |
281 | delete $val_vars{$token}; |
282 | } |
283 | elsif (!$pp_vars{$token}) { # Haven't seen it previously, either |
284 | warn "Constant $token not found in config_h.SH (val=|$val|)\n"; |
285 | $token =~ tr/A-Z/a-z/; |
286 | print OUT "$token='$val'\n"; |
287 | if ($token =~ s/exp$//) {print OUT "$token='$val'\n";} |
288 | } |
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289 | } |
290 | close IN; |
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291 | # Special case -- preprocessor manifest "VMS" is defined automatically |
292 | # on VMS systems, but is also used erroneously by the Perl build process |
293 | # as the manifest for the obsolete variable $d_eunice. |
294 | print OUT "d_eunice='undef'\n"; delete $pp_vars{VMS}; |
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295 | |
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296 | foreach (sort keys %pp_vars) { |
297 | warn "Didn't see $_ in $infile\n"; |
298 | } |
299 | foreach (sort keys %val_vars) { |
300 | warn "Didn't see $_ in $infile(val)\n"; |
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301 | } |
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302 | |
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303 | if (open(OPT,"${outdir}crtl.opt")) { |
304 | while (<OPT>) { |
305 | next unless m#/(sha|lib)#i; |
306 | chomp; |
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307 | if (/crtl/i || /gcclib/i) { push(@crtls,$_); } |
308 | else { push(@libs,$_); } |
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309 | } |
310 | close OPT; |
311 | print OUT "libs='",join(' ',@libs),"'\n"; |
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312 | push(@crtls,'(DECCRTL)') if $cctype eq 'decc'; |
313 | print OUT "libc='",join(' ',@crtls),"'\n"; |
314 | } |
315 | else { warn "Can't read ${outdir}crtl.opt - skipping 'libs' & 'libc'"; } |
316 | |
317 | if (open(PL,"${outdir}patchlevel.h")) { |
318 | while (<PL>) { |
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319 | if (/^#define PATCHLEVEL\s+(\S+)/) { print OUT "PATCHLEVEL='$1'\n"; } |
320 | elsif (/^#define SUBVERSION\s+(\S+)/) { print OUT "SUBVERSION='$1'\n"; } |
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321 | } |
322 | close PL; |
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323 | } |
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324 | else { warn "Can't read ${outdir}patchlevel.h - skipping 'PATCHLEVEL'"; } |
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325 | |
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326 | # simple pager support for perldoc |
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327 | if (`most` =~ /IVVERB/) { |
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328 | $pager = 'more'; |
329 | if (`more nl:` =~ /IVVERB/) { $pager = 'type/page'; } |
330 | } |
331 | else { $pager = 'most'; } |
332 | print OUT "pager='$pager'\n"; |
333 | |
334 | close OUT; |