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